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Sony TA-SV7AV Service Manual

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3 7 63 1515 0

SERVICE MANUAL

Ver 1.0 2001.06
TA-SV7AV is the Amplifier section
in MHC-SV7AV.
Amplifier section
The following measured at AC 120, 220, 230 – 240 V,
50/60 Hz
Front Speaker:
DIN power output (rated) 95 + 95 watts
TE
L 13942296513
Continuous RMS power output (reference)
Center Speaker:
DIN power output (rated) 30 watts
Continuous RMS power output (reference)
Rear Speaker:
DIN power output (rated) 30 + 30 watts
Continuous RMS power output (reference)
Inputs
VIDEO (AUDIO) IN:
(phono jacks)
MD IN:
(phono jacks)
OPTICAL IN:
(Square optical connector jacks, rear panel)
wavelength
MIC 1/2:
(phone jack)
www
.
Sony Corporation
9-873-154-01
2001F0500-1
Home Audio Company
C 2001.6
Shinagawa Tec Service Manual Production Group
http://www.xiaoyu163.com
(6 ohms at 1 kHz, DIN)
120 + 120 watts
(6 ohms at 1 kHz, 10%
THD)
(8 ohms at 1 kHz, DIN)
40 watts
(8 ohms at 1 kHz, 10%
THD)
(8 ohms at 1 kHz, DIN)
40 + 40 watts
(8 ohms at 1 kHz, 10%
THD)
voltage 250 mV,
impedance 47 kilohms
voltage 450 mV,
impedance 47 kilohms
700 nm
sensitivity 1 mV,
impedance 10 kilohms
x
ao
u163
y
i
http://www.xiaoyu163.com
TA-SV7AV
2 9
8
SPECIFICATIONS
Outputs
MD OUT:
(phono jacks)
VIDEO OUT:
(phono jack)
Q Q
3
6 7
1 3
1 5
S-VIDEO OUT:
(4-pin/mini-DIN jack)
PHONES:
(stereo mini jack)
FRONT SPEAKER:
REAR SPEAKER:
CENTER SPEAKER:
SUB WOOFER OUT:
General
Power requirements
Thailand model:
Other models:
Power consumption
Dimensions (w/h/d)
Mass
Design and specifications are subject to change
without notice.
co
.
9 4
2 8
E Model
voltage 250 mV
impedance 1 kilohms
max. output level
1 Vp-p, unbalanced, Sync
negative, load impedance
75 ohms
0 5
8
2 9
9 4
2 8
Y: 1 Vp-p, unbalanced,
Sync negative,
C: 0.286Vp-p,
load impedance 75 ohms
accepts headphones of
8 ohms or more
accepts impedance of 6 to
16 ohms
accepts impedance of 8 to
16 ohms
accepts impedance of 8 to
16 ohms
Voltage 1 V,
impedance 1 kilohms
220 V AC, 50/60 Hz
120 V, 220 V or
230 – 240 V AC,
50/60 Hz
Adjustable with voltage
selector
300 watts
Approx. 280 x 128 x 350 mm
Approx. 7.7 kg
m
AMPLIFIER
9 9
9 9

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  Summary of Contents for Sony TA-SV7AV

  • Page 1: Service Manual

    TA-SV7AV 3 7 63 1515 0 SERVICE MANUAL E Model Ver 1.0 2001.06 TA-SV7AV is the Amplifier section in MHC-SV7AV. SPECIFICATIONS Amplifier section Outputs MD OUT: voltage 250 mV (phono jacks) impedance 1 kilohms The following measured at AC 120, 220, 230 – 240 V, VIDEO OUT: max.
  • 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-SV7AV SECTION 1 SERVICING NOTES 3 7 63 1515 0 MODEL IDENTIFICATION This set is a component of the MHC-SV7AV. The MHC-SV7AV system configuration is as shown below, and therefore it does not operate normally unless all four components –...
  • Page 4: General

    TA-SV7AV SECTION 2 This section is extracted from instruction manual. 3 7 63 1515 0 GENERAL Parts Identification The items are arranged in alphabetical order. Refer to the pages indicated in parentheses ( ) for details. Remote Control Main unit...
  • Page 5: Disassembly

    TA-SV7AV SECTION 3 DISASSEMBLY 3 7 63 1515 0 • 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-SV7AV 3 7 63 1515 0 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)
  • Page 7: Back Panel (2Ch/Vcd) Section

    TA-SV7AV 3 7 63 1515 0 3-4. BACK PANEL (2CH/VCD) SECTION 8 back panel (2CH/VCD) 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 ×...
  • Page 8: Test Mode

    3 7 63 1515 0 TEST MODE Note: Use following buttons in the test mode. [GC Test Mode] no mark : Button of amplifier unit (TA-SV7AV) Enter the GC Test Mode : Button of tuner unit (ST-SV7) Procedure 1: : Button of CD unit (MCE-SV7) 1.
  • Page 9 TA-SV7AV 3 7 63 1515 0 MEMO L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 10: Diagrams

    TA-SV7AV SECTION 5 DIAGRAMS 3 7 63 1515 0 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-SV7AV 3 7 6 3 1 5 1 5 0 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.
  • Page 12: Schematic Diagram - Front Amp Section (1/2)

    TA-SV7AV 5-3. SCHEMATIC DIAGRAM – FRONT AMP Section (1/2) – 3 7 6 3 1 5 1 5 0 (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)
  • Page 13: Schematic Diagram - Front Amp Section (2/2)

    TA-SV7AV 5-4. SCHEMATIC DIAGRAM – FRONT AMP Section (2/2) – 3 7 6 3 1 5 1 5 0 (2/2) (Page 19) NO101 TP107 TP106 AC4(HIGH) TP105 AC4(HIGH) TP104 AC3(LOW) TP103 AC3(LOW) (Page 19) TP102 TP101 POWER AMP IC801...
  • Page 14: Ic Pin Function Description

    TA-SV7AV 3 7 6 3 1 5 1 5 0 5-5. IC PIN FUNCTION DESCRIPTION 5-6. PRINTED WIRING BOARD – SURROUND AMP Section – • See page 10 for Circuit Boards Location. • FRONT AMP BOARD IC310 PT8300-S (SYSTEM CONTROLLER) Pin No.
  • Page 15: Schematic Diagram - Surround Amp Section

    TA-SV7AV 5-7. SCHEMATIC DIAGRAM – SURROUND AMP Section – 3 7 6 3 1 5 1 5 0 POWER AMP R1094 R1093 100k IC1001 STK443-050 Q1092,1093 THERMAL DETECT Q1092 2SC2785 R1092 100k Q1093 2SC2785 CN1003 THP092 R1095 OVERLOAD DETTECT...
  • Page 16: Printed Wiring Boards - Control Section

    TA-SV7AV 3 7 6 3 1 5 1 5 0 5-8. PRINTED WIRING BOARDS – CONTROL Section – • See page 10 for Circuit Boards Location. R724 C781 PANEL BOARD MULTI CHANNEL D781 DECODING C740 C739 R743 C742 R747...
  • Page 17: Schematic Diagram - Control Section

    TA-SV7AV 3 7 6 3 1 5 1 5 0 5-9. SCHEMATIC DIAGRAM – CONTROL Section – • See page 16 for IC Block Diagram. S701 S702 S703 FUNCTION FILE SELECT VOLUME ROTARY ENCODER ROTARY ENCODER ROTARY ENCODER R716...
  • Page 18: Printed Wiring Boards - Power Section

    TA-SV7AV 5-10. PRINTED WIRING BOARDS – POWER Section – • See page 10 for Circuit Boards Location. 3 7 6 3 1 5 1 5 0 (AC IN) SUB TRANS BOARD JW803 (EA, SP) Q901 (TH) JW804 JW801 JW907...
  • Page 19: Schematic Diagram - Power Section

    TA-SV7AV 3 7 6 3 1 5 1 5 0 5-11. SCHEMATIC DIAGRAM – POWER Section – F931 T8AL 250V T911 POWER NO921 CN902 (EA,SP) TRANSFORMER (EA,SP) (EA,SP) AC1-GND (MAIN) 2P (TH) 2P (TH) 230-240 230-240 F932 (TH) T6.3AL...
  • Page 20: Cover Section

    TA-SV7AV SECTION 6 EXPLODED VIEWS 3 7 6 3 1 5 1 5 0 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...
  • Page 21: Chassis Section

    TA-SV7AV 3 7 63 1515 0 6-3. CHASSIS SECTION not supplied not supplied T911 not supplied not supplied not supplied not supplied L 13942296513 not supplied not supplied The components identified by mark 0 or dotted line with mark 0 are critical for safety.
  • Page 22: Electrical Parts List

    TA-SV7AV AC INPUT SECTION 7 3 7 63 1515 0 ELECTRICAL PARTS LIST AC OUTPUT 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-SV7AV 3 7 63 1515 0 FRONT AMP Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C962 1-128-563-11 ELECT 100uF 100V < GROUND TERMINAL > C963 1-104-665-11 ELECT 100uF C964 1-119-943-91 ELECT 47uF EPT901 1-537-770-21 TERMINAL BOARD, GROUND...
  • Page 24 TA-SV7AV 3 7 63 1515 0 FRONT AMP PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R832 1-260-076-11 CARBON 1/2W R924 1-249-437-11 CARBON 1/4W R833 1-260-076-11 CARBON 1/2W R925 1-249-437-11 CARBON 1/4W R926 1-249-429-11 CARBON...
  • Page 25 TA-SV7AV 3 7 63 1515 0 PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C732 1-126-382-11 ELECT 100uF R708 1-247-807-31 CARBON 1/4W C733 1-126-791-11 ELECT 10uF R709 1-249-410-11 CARBON 1/4W C734 1-162-215-31 CERAMIC 47PF...
  • Page 26 TA-SV7AV 3 7 63 1515 0 PANEL RELAY SUB TRANS SURROUND AMP Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark S717 1-771-410-21 SWITCH, TACTILE (PICTURE EFFECT) C1003 1-162-282-31 CERAMIC 100PF S718 1-771-410-21 SWITCH, TACTILE (SET UP)
  • Page 27 TA-SV7AV 3 7 63 1515 0 SURROUND AMP Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R1009 1-260-076-11 CARBON 1/2W ************** HARDWARE LIST R1010 1-249-437-11 CARBON 1/4W ************** 0 R1031 1-212-881-11 FUSIBLE 1/4W F 0 R1032...
  • Page 28 TA-SV7AV 3 7 63 1515 0 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.