Sony TA-S7AV Service Manual
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Sony TA-S7AV Service Manual

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SERVICE MANUAL

Ver 1.0 2001.04
TA-S7AV is the Amplifier section
in MHC-S7AV.
Amplifier section
European model:
Front Speaker:
DIN power output (rated) 95 + 95 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
120 + 120 watts
(6 ohms at 1 kHz, 10%
THD)
Music power output (reference)
200 + 200 watts
(6 ohms at 1 kHz, 10%
THD)
Center Speaker:
DIN power output (rated) 30 watts
(8 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
40 watts
(8 ohms at 1 kHz, 10%
THD)
Music power output (reference)
75 watts
(8 ohms at 1 kHz, 10%
THD)
Rear Speaker:
DIN power output (rated) 30 + 30 watts
(8 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
40 + 40 watts
(8 ohms at 1 kHz, 10%
THD)
Music power output (reference)
75 + 75 watts
(8 ohms at 1 kHz, 10%
THD)
Sony Corporation
9-873-836-11
2001D0500-1
Home Audio Company
C 2001.4
Shinagawa Tec Service Manual Production Group

SPECIFICATIONS

Other models:
The following measured at AC 120, 220, 240 V,
50/60 Hz
Front Speaker:
DIN power output (rated) 95 + 95 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
120 + 120 watts
(6 ohms at 1 kHz, 10%
THD)
Center Speaker:
DIN power output (rated) 30 watts
(8 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
40 watts
(8 ohms at 1 kHz, 10%
THD)
Rear Speaker:
DIN power output (rated) 30 + 30 watts
(8 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
40 + 40 watts
(8 ohms at 1 kHz, 10%
THD)
Inputs
VIDEO (AUDIO) IN:
voltage 250 mV,
(phono jacks)
impedance 47 kilohms
MD IN:
voltage 450 mV,
(phono jacks)
impedance 47 kilohms
OPTICAL IN:
(Square optical connector jacks, rear panel)
wavelength
700 nm
MIC:
sensitivity 1 mV,
(Except for
impedance 10 kilohms
European model)
(phone jack)
TA-S7AV
AEP Model
UK Model
Australian Model
Outputs
MD OUT:
voltage 250 mV
(phono jacks)
impedance 1 kilohms
PHONES:
accepts headphones of
(stereo mini jack)
8 ohms or more
FRONT SPEAKER:
accepts impedance of 6 to
16 ohms
REAR SPEAKER:
accepts impedance of 8 to
16 ohms
CENTER SPEAKER:
accepts impedance of 8 to
16 ohms
SUB WOOFER OUT:
Voltage 1 V,
impedance 1 kilohms
General
Power requirements
European model:
230 V AC, 50/60 Hz
Australian model:
230 – 240 V AC,
50/60 Hz
Mexican model:
120 V AC, 60 Hz
Korean model:
220 V AC, 60 Hz
Power consumption
European model:
300 watts
0.6 watts (during Power
Saving Mode)
Other models:
300 watts
Dimensions (w/h/d)
Approx. 280 x 128 x 350 mm
Mass
Approx. 7.7 kg
Design and specifications are subject to change
without notice.
AV AMPLIFIER
E Model

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Summary of Contents for Sony TA-S7AV

  • Page 1: Service Manual

    TA-S7AV SERVICE MANUAL AEP Model UK Model Ver 1.0 2001.04 E Model Australian Model TA-S7AV is the Amplifier section in MHC-S7AV. SPECIFICATIONS Amplifier section Other models: Outputs The following measured at AC 120, 220, 240 V, MD OUT: voltage 250 mV...

  • Page 2: Table Of Contents

    LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- LISHED BY SONY.

  • Page 3: Servicing Notes

    TA-S7AV SECTION 1 SERVICING NOTES This set is a component of the MHC-S7AV. MODEL IDENTIFICATION The MHC-S7AV system configuration is as shown below, and therefore it does not operate normally unless all four components – Back Panel – are connected.

  • Page 4: General

    TA-S7AV SECTION 2 This section is extracted from instruction manual. GENERAL Parts Identification The items are arranged in alphabetical order. Refer to the pages indicated in parentheses ( ) for details. Main unit Remote Control 1 2 3 CD H es (14, 15)

  • Page 5: Disassembly

    TA-S7AV SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW Note 1: The process described in can be performed in any order. Note 2: Without completing the process described in , the next process can not be performed.

  • Page 6: Cover

    TA-S7AV Note: Follow the disassembly procedure in the numerical order given. 3-2. COVER 1 three screws 4 Remove the cover (BVTT3 × 6) in the direction of arrow A . 2 two screws (case 3 TP2) 2 two screws (case 3 TP2) 3-3.

  • Page 7: Back Panel (Av) Section

    TA-S7AV 3-4. BACK PANEL (AV) SECTION 8 back panel (AV) section 5 three screws (BVTP3 × 8) 5 four screws 7 three connectors (BVTP3 × 8) (CN901, 902, 903) 1 screw (BVTP3 × 8) 5 four screws (BVTP3 × 8)

  • Page 8: Test Mode

    SECTION 4 TEST MODE Note: Use flowing buttons in the test mode. [GC Test Mode] no mark : Button of amplifier unit (TA-S7AV) Enter the GC Test Mode : Button of tuner unit (ST-S5) Procedure 1: : Button of CD unit (CDP-S3) 1.
  • Page 9 TA-S7AV MEMO...

  • Page 10: Diagrams

    TA-S7AV SECTION 5 DIAGRAMS 5-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Note on Printed Wiring Boards: Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF • X : parts extracted from the component side.

  • Page 11: Printed Wiring Boards - Front Amp Section

    TA-S7AV 5-2. PRINTED WIRING BOARDS – FRONT AMP Section – • See page 10 for Circuit Boards Location. • Semiconductor Location NO102 Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location D911 C911 (Page 18) D801 D970...

  • Page 12: Schematic Diagram - Front Amp Section (1/2)

    TA-S7AV 5-3. SCHEMATIC DIAGRAM – FRONT AMP Section (1/2) – (1/2) NO109 SUB-AC SUB-AC RELAY-UNREG STBY RELAY +5.6V REGULATOR D998 DGND (Page 19) IC924 D991 D990 NJM78L05A-T3 11ES2-NTA2 11ES2-NTA2 JOG2-B(FIELD SELECT) TP205 JOG2-B JOG2-A(FIELD SELECT) TP204 JOG2-A D993 D992 C992...

  • Page 13: Schematic Diagram - Front Amp Section (2/2)

    TA-S7AV 5-4. SCHEMATIC DIAGRAM – FRONT AMP Section (2/2) – (2/2) NO101 (Page 19) TP107 TP106 AC4(HIGH) TP105 AC4(HIGH) TP104 AC3(LOW) TP103 AC3(LOW) (Page 19) TP102 TP101 POWER AMP IC801 EPT901 C987 STK402-120S (CHASSIS) D911 D5SBA20 C911 NO102 100V TP108...

  • Page 14: Ic Pin Function Description

    TA-S7AV 5-5. IC PIN FUNCTION DESCRIPTION 5-6. PRINTED WIRING BOARD – SURROUND AMP Section – • See page 10 for Circuit Boards Location. • MAIN BOARD IC301 PT8300-S (SYSTEM CONTROLLER) Pin No. Pin Name Description — Ground terminal RESET_B Reset signal input terminal Not used...

  • Page 15: Schematic Diagram - Surround Amp Section

    TA-S7AV 5-7. SCHEMATIC DIAGRAM – SURROUND AMP Section – POWER AMP R1094 R1093 100k IC1001 STK443-050 Q1092,1093 THERMAL DETECT Q1092 2SC2785 R1092 100k Q1093 2SC2785 CN1003 R1095 THP092 OVERLOAD DETTECT C1001 R1005 R1090 R1001 0.22 D1002 1SS133T R1060 (Page 13)

  • Page 16: Printed Wiring Boards - Control Section

    TA-S7AV 5-8. PRINTED WIRING BOARDS – CONTROL Section – • See page 10 for Circuit Boards Location. R724 C781 PANEL BOARD MULTI CHANNEL D781 DECODING D704, S712 NO781 D701, S705 JW521 CINEMA STUDIO R715 NO711 D706 D705 D704 D701 R713...

  • Page 17: Schematic Diagram - Control Section

    TA-S7AV 5-9. SCHEMATIC DIAGRAM – CONTROL Section – S701 S702 S703 FUNCTION FILE SELECT VOLUME ROTARY ENCODER ROTARY ENCODER ROTARY ENCODER R716 R717 R718 R719 2.2k 2.7k 3.9k 5.6k S723 ENTER C701 C703 0.01 0.01 C702 C704 C705 C706 0.01 0.01...

  • Page 18: Printed Wiring Boards - Power Section

    TA-S7AV 5-10. PRINTED WIRING BOARDS – POWER Section – • See page 10 for Circuit Boards Location. (AC IN) SUB TRANS BOARD JW803 Q901 JW804 JW801 JW907 RY901 JW903 FRONT AMP JW805 BOARD R901 R902 JW913 NO109 JW806 (Page 11)

  • Page 19: Schematic Diagram - Power Section

    TA-S7AV 5-11. SCHEMATIC DIAGRAM – POWER Section – F931 T8AL 250V T911 POWER (AUS) TRANSFORMER AC1-GND (MAIN) JW921 F932 (AEP,UK,KR) T6.3AL JW922 NO921 CN902 AC2-GND JW923 120/230 120/230 JW913 JW907 (Page 13) F933 CN913 T6.3AL 250V (MX) NEUTRAL NEUTRAL C901 0.01...

  • Page 20: Exploded Views

    TA-S7AV SECTION 6 EXPLODED VIEWS NOTE: 6-2. FRONT PANEL SECTION • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark may have some difference from the original are seldom required for routine service.

  • Page 21: Chassis Section

    TA-S7AV 6-3. CHASSIS SECTION not supplied not supplied T911 not supplied not supplied not supplied not supplied not supplied not supplied The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified.

  • Page 22: Electrical Parts List

    TA-S7AV SECTION 7 AC INPUT AC OUTPUT ELECTRICAL PARTS LIST FRONT AMP NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark parts list may be different from the parts speci- are seldom required for routine service.
  • Page 23 TA-S7AV FRONT AMP Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C926 1-126-382-11 ELECT 100uF D990 8-719-024-99 DIODE 11ES2-NTA2B C927 1-104-665-11 ELECT 100uF D991 8-719-024-99 DIODE 11ES2-NTA2B C941 1-164-159-11 CERAMIC 0.1uF D992 8-719-024-99 DIODE 11ES2-NTA2B C951...
  • Page 24 TA-S7AV FRONT AMP PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R811 1-260-076-11 CARBON 1/2W R905 1-249-421-11 CARBON 2.2K 1/4W (AEP, UK) R906 1-249-417-11 CARBON 1/4W R812 1-260-076-11 CARBON 1/2W R907 1-249-421-11 CARBON 2.2K 1/4W...
  • Page 25 TA-S7AV PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C704 1-162-306-11 CERAMIC 0.01uF < JACK > C705 1-162-306-11 CERAMIC 0.01uF J702 1-691-293-21 JACK (MIC) (KR, MX, AUS) C706 1-162-306-11 CERAMIC 0.01uF J703 1-691-293-21 JACK (PHONES)
  • Page 26 TA-S7AV PANEL RELAY SUB TRANS SURROUND AMP Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark S702 1-473-534-11 ENCODER, ROTARY (FILE SELECT) A-2007-897-A SURROUND AMP BOARD, COMPLETE S703 1-473-392-11 ENCODER, ROTARY (VOLUME) (KR, MX, AUS) S705 1-771-410-21 SWITCH, TACTILE (I/1)
  • Page 27 TA-S7AV SURROUND AMP Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R1003 1-249-415-11 CARBON 1/4W MISCELLANEOUS R1004 1-249-438-11 CARBON 1/4W ************** 0 R1005 1-233-352-41 ENCAPSULATED COMPONENT 0.22 1-773-178-11 WIRE (FLAT TYPE) (23 CORE) (AEP, UK) R1006...

  • Page 28: Revision History

    TA-S7AV REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision...

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