Manuals+

Harman Kardon SUB-TS7 Service Manual

Manufacturer: harman/kardon, Inc.

Address: 250 Crossways Park Dr. Woodbury, New York 11797

Revision: Rev1 6/2004

Specifications

Amplifier Power (RMS) 100 Watts
Driver 10" woofer, Bass Reflex Enclosure
Inputs Stereo Line Level, dedicated Subwoofer (LFE) and Speaker Level with gold-plated binding posts
Outputs Speaker Level with gold-plated binding posts
Frequency Response 35Hz – 120Hz (Filter switch ON)
35Hz – 450Hz (Filter switch OFF)
Dimensions (H x W x D) 18-7/8" x 13-3/8" x 13-3/8"
479mm x 340mm x 340mm
Weight 33 lb/15kg

Occasional refinements may be made to existing products without notice but will always meet or exceed original specifications unless otherwise stated.

Detailed Specifications

Parameter Nominal Specification Unit QA Test Limits Unit Conditions Notes
Amp Section
Type (Class AB, D, other) AB n/a n/a Nominal
Load Impedance (speaker) 4 Ohms n/a Nominal
Rated Output Power 100 Watts 75 Vrms 50-250 Hz, 1 input driven, limiter off Normal Operation
THD @ Rated Power 0.08 % 0.1 22k filter
THD @ 1 Watt 0.15 % 0.5 22k filter
DC Offset 5 mV-DC 30 @ Speaker Outputs Measured at the speaker at speaker output terminals on the amp board.
Damping factor >100 n/a 30 Measured at amplifier board
Input Sensitivity
Input Frequency 50 Hz n/a Nominal Freq. Single input driven
Line (L&R) Input 220 mVrms 154-308 Vrms To Rated Power SUB (LFE) input driven only
SUB (LFE) Input 125 mVrms 87-175 Vrms To Rated Power (20 dB below Line In), Single input driven
Speaker/Hi Level Input 2.2 Vrms 1.5-3.0 Vrms To Rated Power
Hi Level Max. Input Voltage 32 Vrms 30 Nominal Freq., Min. Volume
Signal to Noise
SNR-A-Weighted 100 dB 85 relative to rated power A-Weighting filter
SNR-unweighted 90 dB 80 relative to rated power 22k filter
SNR rel. 1W-unweighted 65 dB 60 relative to 1W Output 22k filter
Residual Noise Floor 1.2 mVrms 3.0 Volume @max, using RMS reading DMM/VOM (or A/P)
Residual Noise Floor 0.8 mVrms 2.0 Volume @max, w/ A/P Swept Bandpass Measurement (Line freq.+ harmonics)
Input Impedance
Line Input (L, R, LFE) 10K ohms n/a Nominal
Speaker/Hi Level Input 4.7K ohms n/a Nominal
Filters
L&R Fixed Low-Pass Filter 170 Hz 150-200 @ -6dB ref. 100Hz 2nd order fixed
SUB (LFE) Low pass Filter 270 Hz 240-300 @ -3dB ref. 100Hz 2nd order fixed
Subsonic filter (HPF) 3rd Order 28 Hz 22-28 @ -3dB ref. 30Hz 3rd order fixed
Limiter
THD at Max. Output Power 2.0 % 5.0
Features
Auto - On-Off Selection Switch YES functional Refer to ATO section
Phase Switch 0-180 deg functional A Taper
Filter On/Off Switch YES functional Binding post connector L&R
Volume Pot Taper (Lin/Log) LOG functional Blue: On, Amber: Stand-by
Speaker Out YES functional Dual RCA jack
2-Color LED power indicator YES functional RCA jack
Power Switch YES functional Binding post connector L&R
Fuse Holder YES functional
Input Configuration
Line In (L,R) YES functional
SUB (LFE) YES functional
Speaker/Hi Level In YES functional
Signal Sensing (ATO)
Auto-Turn-On (yes/no) YES functional Auto - on selection switch in Auto
ATO Input test frequency 50 Hz n/a Auto - on selection switch in Auto
ATO Level Line & SUB Input 4.0 mV 2.0 - 6.0 Auto - on selection switch in Auto
ATO Level Speaker in 40 mV 25 - 55 Auto - on selection switch in Auto
ATO Turn-on time 5 ms Amp connected and AC on, then input signal applied
ATO Turn-OFF Time 15 minutes 10 - 20 Time before muting, after signal is removed
Power on Delay time
Transients/Pops AC Power Applied functional AC Power Applied
ATO Transient 5 mV-peak 10 @ Speaker Outputs AC Line cycled from OFF to ON
Turn-on Transient 50 mV-peak 100 @ Speaker Outputs
Turn-off Transient 50 mV-peak 100 @ Speaker Outputs AC Line cycled from ON to OFF
Efficiency 10 Watts 12 @ nom. line voltage Maximum allowable input power under nominal input voltage and frequency, in stand-by mode (HOT or COLD operation).
Stand-by Input Power 170 Watts 200 @ nom. line voltage 100 Watts @ 4.0 ohms and nominal line voltage
Power Consumption @ rated powe
Protection
Short Circuit Protection YES functional Direct short at output Amplifier should resume operation after short circuit condition is removed.
Thermal Protection YES functional Any user accessible metal parts should always remain at 65 degree C or less for domestic version or 55 degree C or less for EU version.
DC Offset Protection YES functional DC present at Speaker Out leads Relay or crowbar (for driver/fire protection),
Primary Fuse Rating 2.5 Amps n/a Type-T or Slo Blo User-replacable fuse with UL/SEMCO rated holder.
USA-Domestic (120V)

Controls and Connections

The SUB-TS7 features several controls and connection points on its rear panel:

  • 1. Subwoofer-Level Control: This knob adjusts the subwoofer's volume. Turn clockwise to increase volume, counterclockwise to decrease.
  • 2. High-Cut (Low-Pass) Filter Switch: When set to 'ON', this switch limits audio input signals to frequencies below 120Hz, allowing the subwoofer to focus on low frequencies and avoid distortion. It has no effect when the SUB Input (5) is used.
  • 3. Music-Sense On/Off Switch: In 'AUTO' mode, the subwoofer automatically turns on when it senses an audio signal and enters standby when no signal is detected. The LED indicator is blue when receiving a signal and amber when in standby. In 'ON' mode, the subwoofer remains powered on regardless of signal presence, and the LED indicator stays blue.
  • 4. Phase Switch: This switch determines if the subwoofer's piston action is in phase with the main speakers. 'NORMAL' is the default position. 'REVERSE' can be used if bass response seems diminished due to phase cancellation. Experimentation is recommended.
  • 5. Line-Level Subwoofer (SUB) Input: Connect the subwoofer output from a receiver with digital surround sound decoding (like Dolby Digital or DTS) to this input. This bypasses the SUB-TS7's internal crossover. Use only with a filtered signal.
  • 6. Line-Level Full-Range Inputs: Connect the line-level subwoofer or preamp outputs from your receiver/amplifier to these inputs. If your receiver lacks a dedicated subwoofer output, a Y-adapter may be needed. If only a single output is available, connect it to either the left or right input.
  • 7. Speaker-Level Outputs: Use these binding posts to connect the SUB-TS7 to your front left and right speakers when using the Speaker-Level Inputs (8). Ensure correct polarity (+ to +, - to -).
  • 8. Speaker-Level Inputs: Connect these binding posts to your receiver/amplifier's front left and right speaker terminals if your receiver lacks a line-level subwoofer output. Maintain correct polarity.
  • 9. Master Power Switch: This switch turns the unit ON ('•') or OFF.
  • 10. AC Power Cord: Connects the subwoofer to a mains power outlet. Ensure it's plugged into an unswitched outlet.

LED Indicator: Located on top of the subwoofer. Blue indicates an audio signal is present (Music-Sense in AUTO mode). Amber indicates standby mode (Music-Sense in AUTO mode). The LED is off when the Master Power Switch is OFF.

Speaker Connections

The SUB-TS7 can be connected using different methods depending on your receiver/processor:

Dolby Digital or DTS (Line-Level) Connection

For Dolby Digital, DTS, or other digital surround processors:

  • Connect the receiver's or amplifier's SUB/LFE output to the SUB-TS7's SUB Input (5).
  • Connect each speaker to its corresponding speaker terminals on the receiver/amplifier.
  • Ensure your surround sound processor is configured for "Subwoofer On" and front, center, and surround speakers are set to "Small."
  • Plug the AC power cord into an outlet.

Dolby Pro Logic (Non-Digital) – Line Level Connection

For Dolby Pro Logic applications where the receiver/processor has a subwoofer output or a volume-controlled preamp level output:

  • Connect the receiver's or amplifier's subwoofer output (or preamp output) to the SUB-TS7's Line-Level Full-Range Inputs (6). Use both L/R inputs if available. A Y-adapter may be needed if bridging a single output.
  • Important: Do not use the SUB Input (5) with Dolby Pro Logic processors.
  • If your receiver has a built-in low-pass crossover filter, you may use the SUB Input (5) to bypass the SUB-TS7's internal crossover.
  • Connect speakers to the receiver/amplifier.
  • Configure the surround sound processor for "Subwoofer On" and set speakers to "Small."
  • Plug the AC power cord into an outlet.

Dolby Pro Logic (Non-Digital) – Speaker Level Connection

For Dolby Pro Logic applications where the receiver/processor does not have a subwoofer output or a volume-controlled preamp level output:

  • Connect your receiver/amplifier's front left and right speaker terminals to the SUB-TS7's Speaker-Level Inputs (8, marked "High Level In").
  • Connect the SUB-TS7's Speaker-Level Outputs (7, marked "High Level Out") to your front left and right speakers, maintaining correct polarity (+ to +, - to -).
  • Connect your receiver/amplifier's center and surround speakers to their respective terminals on the receiver/amplifier and speakers.
  • Plug the AC power cord into an outlet.

Operation

Powering On: Set the Master Power Switch (9) to the '•' (On) position. The SUB-TS7 will automatically turn on or enter standby mode based on the Music-Sense On/Off Switch (3) setting and whether an audio signal is present.

  • Standby Mode: If the receiver/amplifier is off or not sending a signal, and Music-Sense is in 'AUTO', the subwoofer enters standby mode. The LED indicator turns amber.
  • Active Mode: When an audio signal is detected (with Music-Sense in 'AUTO'), the subwoofer turns on, and the LED indicator turns blue.
  • Auto Standby: If no signal is sensed for approximately 20 minutes, the subwoofer will automatically enter standby mode.
  • Always On: If the Music-Sense On/Off Switch (3) is set to 'ON', the subwoofer remains powered on regardless of signal presence, and the LED indicator stays blue.
  • Powering Off: For extended periods of non-use, switch the Master Power Switch (9) to the OFF position.

Volume Adjustment: Use the Subwoofer-Level Control (1) to adjust the volume. Turn clockwise to increase, counterclockwise to decrease.

Additional Bass Adjustments:

  • Phase Switch (4): Typically set to 'NORMAL'. If bass response seems weak or out of phase with main speakers, try setting it to 'REVERSE'. Experimentation is encouraged.
  • High-Cut (Low-Pass) Filter Switch (2): This switch limits the audio signal to frequencies the subwoofer reproduces best. It should generally be left in the 'ON' position. Set to 'OFF' only if using the SUB Input (5) or if your receiver has its own low-pass filter for the subwoofer output.

Troubleshooting

Symptom Solution
If there is no sound from any of the speakers:
  • Check that the receiver/amplifier is on and a source is playing.
  • Ensure the powered subwoofer is plugged in and its Master Power Switch is switched ON ('•').
  • Verify all wire and connection integrity between the receiver/amplifier and speakers.
  • Inspect speaker wires for fraying, cuts, punctures, or wires touching each other.
  • Review your receiver/amplifier's operation manual.
If there is no sound coming from one speaker:
  • Check the 'Balance' control on your receiver/amplifier.
  • Verify all wire and connection integrity between the receiver/amplifier and speakers. Ensure wires are not frayed, cut, punctured, or touching each other.
  • For Dolby Digital or DTS modes, confirm the receiver/processor is configured to enable the specific speaker.
  • Test by swapping the problematic speaker with a working one. If the issue follows the speaker, the speaker may be faulty. If the issue remains with the original speaker location, the problem likely lies with the receiver/amplifier. Consult respective manuals or dealer for assistance. Visit harmankardon.com for further information.
If there is no sound from the center speaker:
  • Check all wire and connection integrity between the receiver/amplifier and speaker. Ensure wires are not frayed, cut, punctured, or touching each other.
  • If using Dolby Pro Logic mode, ensure the center speaker is not set to 'phantom' mode.
  • If using Dolby Digital or DTS mode, confirm the receiver/processor is configured to enable the center speaker.
If the system plays at low volumes but shuts off as volume is increased:
  • Check all wire and connection integrity between the receiver/amplifier and speakers. Ensure wires are not frayed, cut, punctured, or touching each other.
  • If using multiple main speaker pairs, check your receiver/amplifier's minimum impedance requirements.
If there is low (or no) bass output:
  • Verify proper connection of the SUB input (5) or Line-Level Inputs (6) on the SUB-TS7 to the SUB or LFE output of your receiver/amplifier using an RCA cable.
  • If using Speaker-Level Inputs (8), check speaker cables for proper connection, integrity, and correct polarity (+ to +, - to -).
  • Ensure the subwoofer is plugged into an active outlet and the Master Power Switch (9) is ON ('•').
  • Check your A/V receiver/processor's speaker setup (bass management) settings. Confirm front, center, and surround speakers are set to "Small," and the subwoofer is set to "Yes" or "On."
If there is no sound from the surround speakers:
  • Check all wire and connection integrity between the receiver/amplifier and speakers. Ensure wires are not frayed, cut, punctured, or touching each other.
  • Review your receiver/processor's operation and surround sound features.
  • Confirm the movie or TV show is recorded in a surround sound mode and that your receiver/processor supports it.
  • For Dolby Digital or DTS modes, ensure the surround speakers are enabled in your receiver/processor settings.
  • Verify the DVD player and disc jacket confirm the desired Dolby Digital or DTS mode and that it's selected correctly via the player's and disc's menus.

Unit Exploded View

The following components are part of the SUB-TS7 unit assembly:

Ref# Description Part Number Qty
1Amplifier screw352-AM04020D21010
2SUB-TS7 AmplifierNot for Sale1
3Port TubeNot for Sale1
4SUB-TS7 CabinetNot for Sale1
5Logo316-AG-005571
6LEDNot for Sale1
7GrilleNot for Sale1
8Logo316-AL-005531
910" woofer25PF12DZB-DW011
10Woofer screw352-FM04020D6055
11Foot Pad320-EVA-000574

Amplifier Exploded View

The amplifier assembly consists of various internal components. Refer to the Mechanical Parts List on pages 21-22 for detailed part numbers and descriptions.

Test Set Up and Procedure

Equipment Needed:

  • Function/signal generator/sweep generator
  • Integrated Amplifier
  • Multimeter
  • Speaker cables

Initial Control Settings:

  • Power Switch: OFF
  • Filter: OFF
  • Level: MIN (Full Counter-Clockwise)
  • Phase, Auto/On switches: Do not matter for initial setup.

General Unit Function (UUT = Unit Under Test):

  1. Connect a line-level (RCA) cable from the signal generator to the Subwoofer Line Level Input jacks (L/R) on the UUT. If using a mono source, a Y-cable may be necessary to connect to both inputs. Do not use the single, purple SUB input.
  2. Turn on the signal generator and adjust its output to 75mV at 50 Hz.
  3. Plug in the UUT and turn its power switch ON. Set the LEVEL control to its maximum (full clockwise) position.
  4. The LED indicator on top of the UUT should change from Amber to Blue. You should hear and feel immediate, vigorous bass response from the port tube opening.
  5. Turn off the signal generator, set the LEVEL control to its minimum (full counter-clockwise) position, and disconnect the RCA cable.
  6. Connect a pair of speaker cables to the Speaker Level input terminals (IN) on the UUT. Connect these cables to an integrated amplifier that is being fed by the signal generator.
  7. Turn on the signal generator and adjust its output so that the speaker level input at the amplifier is 1.6V at 50 Hz. Set the LEVEL control on the UUT to its maximum (full clockwise) position.
  8. The LED indicator should change from Amber to Blue. You should hear and feel immediate, vigorous bass response from the port tube opening.

Sweep Function:

  1. Follow steps 6-8 above, using a sweep generator as the signal source.
  2. Sweep the generator from 20Hz to 300Hz. Listen carefully to the cabinet and drivers for any rattles, clicks, buzzes, or other unusual noises. If any are detected, remove the woofers and test them individually.

Driver Function:

  1. Remove the woofer from the cabinet and detach the positive (+) and negative (-) wire clips.
  2. Check the DC resistance of the woofer. It should be 3.0 ohms ±10%.
  3. Connect a pair of speaker cables to the driver terminals. These cables should be connected to an integrated amplifier that is fed by a signal generator. Turn on the generator and adjust its output so that the speaker level output is 5.0V.
  4. Sweep the generator from 20Hz to 1kHz. Listen to the driver for any rubbing, buzzing, or other unusual noises.

Block Diagram

The SUB-TS7's internal circuitry is organized into functional blocks that process audio signals:

  • Inputs: Accepts Low Level (L/R), High Level (L/R), and LFE signals.
  • Signal Processing: Includes Volume Controller, Low Pass Variable Filter, Phase Switch, High Pass Filter, and Subsonic LPF for signal conditioning.
  • Amplification: A Power Amplifier stage drives the speaker, with Limit Circuitry for protection.
  • Protection: Incorporates Over-current, Over-temperature, Power On Mute, and DC Offset Protection mechanisms.
  • Output: Drives the speaker.
  • Control: Features Music Sense for automatic power management (Auto On/Off).
  • Power Supply: Provides necessary voltages for all circuits.

PCB Drawings

The following sections provide visual layouts of the Printed Circuit Boards (PCBs) used in the SUB-TS7, detailing component placement and circuit traces:

  • PREAMP PCB: Shows the layout for the pre-amplification and control circuitry.
  • MAIN PCB: Illustrates the layout for the main amplifier and signal processing stages.

Electrical Parts List

This section lists the electronic components used in the SUB-TS7, categorized by PCB and component type.

PREAMP PCB

Resistors

Part NumberDescriptionQtyReference Designator
110-12472j52resistor 4.7K 1/2W ± 5% CF 52mm2R201,202
110-16102j26resistor 1K 1/6W ± 5% CF 26mm4R213,214,215,254
110-16103j26resistor 10K 1/6W ± 5% CF 26mm18R209,212,216,217,218,220,221,222,225,228,229,230,232,235,240,248,260,270
110-16104j26resistor 100K 1/6W ± 5% CF 26mm3R231,263,266
110-16105j26resistor 1M 1/6W ± 5% CF 26mm1R259
110-16122j26resistor 1.2K 1/6W ± 5% CF 26mm1R265
110-16124j26resistor 120K1/6W ± 5% CF 26mm1R233
110-16151j26resistor 1501/6W ± 5% CF 26mm1R253
110-16154j26resistor 150K 1/6W ± 5% CF 26mm1R252
110-16182j26resistor 18K 1/6W ± 5% CF 26mm1R262
110-16203j26resistor 20K 1/6W ± 5% CF 26mm2R237,238
110-16205j26resistor 2M 1/6W ± 5% CF 26mm2R257
110-16223j26resistor 22K 1/6W ± 5% CF 26mm3R247,255,256
110-16273j26resistor 27K 1/6W ± 5% CF 26mm2R226,227
110-16472j26resistor 4.7K 1/6W ± 5% CF 26mm3R200,207,258
110-16473j26resistor 47K 1/6W ± 5% CF 26mm5R219,249,250,251,264
110-16512j26resistor 5.1K 1/6W ± 5% CF 26mm2R210,211
110-16513j26resistor 51K 1/6W ± 5% CF 26mm2R223,224
110-16752j26resistor 7.5K 1/6W ± 5% CF 26mm1R234
110-16913j26resistor 91K 1/6W ± 5% CF 26mm4R203,204,205,206
115-h503a103variable resistor RV16AE-20B2-15K-A54-104(A50K)1VR201

Capacitors

Part NumberDescriptionQtyReference Designator
129-a224j633metalize 0.22uF 63V ±5% MSC1C218
130-2b221k503disc capacitor 220P 50V ±10%12C200,204,205,207,208,210,211,212,214,220,230,237
130-2b470k503disc capacitor 47P 50V ±10%1C229
130-2f104z503disc capacitor 0.1U 50V +80/-20%8C232,242,244,245,246,252,254,256
132-183j503mylar capacitor 0.018uF 50V ±5%1C223
132-223ja03mylar capacitor 0.022uF 100V ±5%1C215
132-473j503mylar capacitor 0.047U 50V ±5%1C224
132-563j503mylar capacitor 0.056U 50V ±5%1C216
132-823j503mylar capacitor 0.082U 50V ±5%1C217
135-3105m50electrolytic 1U 50V ±20%10C201,202,209,213,219,231,241,243,251,253
135-3107m16electrolytic 100uF 16V ±20%1C234
135-3226m50electrolytic 22U 50V ±20%1C225
135-3227m16electrolytic 220U 16V ±20%1C233
129-a154j633Mylar capacitor 0.15U 63V ±5% MSC2C221,222

Semiconductors

Part NumberDescriptionQtyReference Designator
192-027c1815grTransistor 2SC1815GR NPN3Q201,206,207,208
197-131n4148diode 1N4148 26mm11D201,202,203,204,205,206,207,208,214,215,216
199-15000335zenerdiode 3.3V 1/2W 52mm1D213
190-06m4558dI.C. OPA 4558D Dual Op-Amp1U203
190-16tl074cnI.C TL074CN ST Quad Op-Amp2U201,202
162-50332003wire 2PIN 330mm RED1D209

Miscellaneous

Part NumberDescriptionQtyReference Designator
174-0rca313vRCA JACK RCA-313G V/R/W1JK201
174-20810360gJACK SPK JK BP 8PIN SH0810360G US1.351JK202
175-1b08v01wire connector 8 PIN PITCH=2.0mm1
180-tms7210vSWITCH SLIDE 6PIN MS7210V3SW201,202,203

MAIN PCB Electrical Parts List

Resistors

Part NumberDescriptionQtyReference Designator
110-14472j26resistor 4.7K 1/4W ±5% CF 26mm2R147,150
110-14681j26resistor 6801/4W ±5% CF 26mm1R148,151
110-16101j26resistor 1001/6W ±5% CF 26mm1R120
110-16102j26resistor 1K 1/6W ±5% CF 26mm1R124
110-16103j26resistor 10K 1/6W ±5% CF 52mm1R134
110-16105j26resistor 1M 1/6W ±5% CF 26mm1R143
110-16123j26resistor 12K 1/6W ±5% CF 26mm2R135,139
110-16152j26resistor 1.5K 1/6W ±5% CF 26mm6R103,123,136,137,141,142
110-16153j26resistor 15K 1/6W ±5% CF 26mm4R118,145,152,154
110-16154j26resistor 150K 1/6W ±5% CF 26mm1R131
110-16181j26resistor 1801/6W ±5% CF 26mm2R111,114
110-16182j26resistor 1.8K 1/6W ±5% CF 26mm1R153
110-16223j26resistor 22K 1/6W ±5% CF 26mm3R128,129,133
110-16332j26resistor 3.3K 1/6W ±5% CF 26mm3R106,107,144
110-16392j26resistor 3.9K 1/6W ±5% CF 26mm2R105,108
110-16393j26resistor 39K 1/6W ±5% CF 26mm1R126
110-16470j26resistor 47 1/6W ±5% CF 26mm4R112,113,115,116
110-16471j26resistor 470 1/6W ±5% CF 26mm1R140
110-16472j26resistor 4.7K 1/6W ±5% CF 26mm3R110,125,130
110-16473j26resistor 47K 1/6W ±5% CF 26mm1R101
110-16560j26resistor 561/6W ±5% CF 26mm1R117
110-16563j26resistor 56K 1/6W ± 5% CF 26mm1R104
110-16682j26resistor 6.8K 1/6W ± 5% CF 26mm1R109
110-10821jk2resistor 820 1W ±5% 10mm1R132
110-122r2j15resistor 2.2 1/2W ±5% 15mm1R127
110-20331jk2resistor 330 2W ±5% 5mm2R146,149
113-50r10j10cement resistor 0.1 5W ±5%2R121,122
114-03302m0semi-fixed resistor 3K 0.3W ±20%1R138

Capacitors

Part NumberDescriptionQtyReference Designator
130-2b102k503disc capacitor 1000P 50V ±10%1C116
130-2f104z503disc capacitor 0.1U 50V +80/-20%4C108,113,115,119
130-3f473m503disc capacitor 0.047U 50V ±20%1C106
130-sl101k503disc capacitor 100P 50V ±10%2C139,140
132-104j503mylar capacitor 0.1U 50V ±5%1C107
132-223ja03mylar capacitor 0.022uF 100V ±5%4C124,125,126,128
135-3105m50electrolytic 1U 50V ±20%2C105,112
135-3107m16electrolytic 100uF 16V ±20%3C109,117,120
135-3226m50electrolytic 22U 50V ±20%2C114,118
135-3227m10electrolytic 220U 10V ±20%2C129,130
135-3476m25electrolytic 47U 25V ±20%1C103
130-3f472md00disc capacitor 4700P 400V ± 20%1
132-223ja03mylar capacitor 0.022uF 100V ±5%2C123,127
135-3107m16electrolytic 100uF 16V ±20%1C110
135-4688m50electrolytic 6800U/50V ±20% D25X45mm2C121,122

Semiconductors

Part NumberDescriptionQtyReference Designator
192-027c1815grTransistor 2SC1815GR NPN5Q102,111,112,113,118
192-028a1015grTransistor 2SA1015GR PNP2Q114,116
192-1672n5551Transistor 2SN5551 NPN2Q103,109
192-1682n5401Transistor 2SN5401AI-PNP 350V 500mA TO-922Q104,110
197-131n4148diode 1N4148 26mm4D101,103,105,108
199-15000335zener diode 3.3V 1/2W 52mm1D102
199-15000625zener diode 6.2V 1/2W 52mm2D106,107
199-15001605zener diode 16V 1/2W 52mm1D109
190-06m4558dI.C. OPA 4558D DUAL OP-AMP1U101
192-021c1815grTransistor 2SC1815GR NPN2Q101,115
192-021tip35cTransistor tip35c NPN1Q107
192-02tip36cTransistor tip36c PNP1Q108
192-201d882yTransistor KSD882Y NPN1Q117
192-202b772yTransistor KSB772Y PNP1Q119

Miscellaneous

Part NumberDescriptionQtyReference Designator
192-991d669aTransistorHI-SINCERITY HSD669A NPN1Q106
192-992b649tTransistor HSB649T PNP1Q105
197-00kb1405diode 4A 500V KBL4051D110
197-101n4002diode 1N40021D104
162-10202001wire 26AWG 1007 200mm RED 3mm1
171-udhss124drelay 5A 24V UDH-SS124D1RY101
175-1c07v01wire connector 7PIN PITCH=2.5mm1P101
175-1d02v01wire connector 2PIN PITCH=3.96mm1P102
175-1d03v01wire connector 3PIN PITCH=3.96mm1P103
193-3m2520insulator TO-3P 25x20mm2Q107,108
150-e8604107power ansformer EI-86 60Hz 120V TT08699065801T1
152-u602015line cord SVT FT-2 6FT1
154-u25006t0fuse 2.5A 250V 20mm1
155-520020fuse holder R3-111
162-10082007WIRE RED 18AWG 80mm 8mm#10151
162-a040d001WIRE #1015 400mm 991110-002
163-11009wire tie 100mm2
176-wjcelwire connector PIN CE-11
180-pbr12c11sswitch PUSH BR12C11S1

LIMITER PCB Electrical Parts List

Resistors

Part NumberDescriptionQtyReference Designator
110-16103j26resistor 10K 1/6W ± 5% CF 26mm6R301,303,304,308,309,314
110-16153j26resistor 15K 1/6W ± 5% CF 26mm1R302
110-16223j26resistor 22K 1/6W ± 5% CF 26mm2R310,312
110-16333j26resistor 33K 1/6W ± 5% CF 26mm1R305
110-16474j26resistor 470K 1/6W ± 5% CF 26mm1R307
110-16751j26resistor 750K 1/6W ± 5% CF 26mm2R311,313
110-16755j26resistor 7.5M 1/6W ± 5% CF 26mm1R306

Capacitors

Part NumberDescriptionQtyReference Designator
130-2f104z503disc capacitor 0.1U 50V +80/-20%2C305,306
132-103j503mylar capacitor 0.01U 50V ±5%2C302,303
135-3226m50electrolytic 22U 50V ±20%1C301
135-3476m25electrolytic 47U 25V ±20%1C304

Semiconductors

Part NumberDescriptionQtyReference Designator
192-027c1815grTransistor 2SC1815GR NPN2Q301,302
197-131n4148diode 1N4148 26mm2D301,302
190-16tl074cn*I.C TL074CN ST QUAD OP-AMP1U301

Miscellaneous

Part NumberDescriptionQtyReference Designator
162-10059001wire 50mm WHITE UL1007 AWG26 6:61
162-50159002wire 7PIN 150mm AWG26 UL 24681P302
175-9f40hr2wire connector 40PIN PITCH=2.54mm HR2*400.15

MISCELLANEOUS/MECHANICAL Parts List

Part NumberDescriptionQtyReference Designator
323-AL-00020HEAT SINK 65*32*311
351-AM03014A094SCREW M3*14 BLK2
352-AM03008D040SCREW 3*8 B type
361-FE-00051Transistor holder 14.2*8.0*5.21
361-NYL-00054Transistor Insulator (SW06002)1
150-e8604107Power Transformer EI-86 60Hz 120V TT08699065801T1
152-u602015AC Line cord SVT FT-21
154-u25006t0fuse 2.5A 250V 20mm1
155-520020fuse holder R3-111
162-10082007WIRE RED 18AWG 80mm1
162-a040d001Speaker cable #1015 400mm 991110-002
176-wjce1terminal CE-11
180-pbr12c11sPower switch PUSH BR12C11S1
302-AL-00435-0BAAlum. Back panel 270*215*2.5T1
306-ABS-00004REAR CABINET 268*213*102 A.B.S UL1R/C-4
311-ABS-00028knob 46077-W P.V.C.1BRKT-2,PCB TO BRKT-4
320-RUB-00033Rubber pad 25*21*4t1R-4
333-EVA-00096EVA (Gasket) 213*15*2.0mm1R/P-6,R/P TO H/S-2
333-EVA-00097EVA (Gasket) 213*15*1.0t1-2,RCA JK-1
333-EVA-00132EVA (Gasket) 238*15*2.0mm1R-4
333-EVA-00133EVA (Gasket) 238*15*1.0t1
333-EVA-00188EVA (Gasket) 170x5x1t1
333-EVA-00220EVA (Gasket) 225*15*1t UL1
350-EM04012D024SCREW 4*12 BLK1
351-AM03008A079SCREW M3*8 BLK1
351-HM04016A218SCREW M4*161
352-AM03010D063SCREW 3*10 B type1
352-AM03010D065SCREW 3*10 P type1
354-GM04002M4 NUT BLK1

Semiconductor Pinouts / IC Diagrams

The following diagrams illustrate the pin configurations for key integrated circuits and transistors used in the SUB-TS7:

  • U101, 203 (4558 Dual Op Amp): Pin 1: Output A, Pin 2: -Input A, Pin 3: +Input A, Pin 4: V-, Pin 5: +Input B, Pin 6: -Input B, Pin 7: Output B, Pin 8: V+.
  • U201, 202, 301 (TL074 Quad Op Amp): Pin 1: Output A, Pin 2: -Input A, Pin 3: +Input A, Pin 4: V+, Pin 5: +Input B, Pin 6: -Input B, Pin 7: Output B, Pin 8: V-, Pin 9: Input C, Pin 10: +Input C, Pin 11: V-, Pin 12: +Input D, Pin 13: Input D, Pin 14: Output D.
  • Q107, 108 (TIP35C, TIP36C): Pin 1: Emitter, Pin 2: Base, Pin 3: Collector.
  • Q104, 110 (2N5401): Pin 1: Emitter, Pin 2: Base, Pin 3: Collector.
  • Q103, 109 (2N5551): Pin 1: Emitter, Pin 2: Base, Pin 3: Collector.
  • Q106, 109, 117, 119 (HSD669, HSB649, KSD772Y, KSD8827): Pin 1: Emitter, Pin 2: Collector, Pin 3: Base.
  • Q101, 102, 111, 112, 113, 115, 118, 201, 206, 207, 208, 301, 302 (2SC1815): Pin 1: Emitter, Pin 2: Base, Pin 3: Collector.

Schematic Diagrams

Detailed circuit schematics are provided for the Jack Panel PCB and various amplifier sections, illustrating the electronic components and their interconnections.

Packaging Drawing

The SUB-TS7 is packaged as follows:

Gift Box Contents:

  • Mounting bracket
  • Metal plate
  • Terminal cover
  • Green cable
  • White cable
  • Red cable
  • Grey cable
  • Blue cable
  • Purple RCA cable
  • Screw package

Inner Box Contents (in a bag):

  • Color code
  • Warranty card
  • Owner's manual

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