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Sony SAVA-7 Service Manual

Active surround speaker system
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SAVA-7
SERVICE MANUAL
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
Chinese Model
SPECIFICATIONS
ACTIVE SURROUND SPEAKER SYSTEM
MICROFILM

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Summary of Contents for Sony SAVA-7

  • Page 1 SAVA-7 SERVICE MANUAL US Model Canadian Model AEP Model UK Model E Model Australian Model Chinese Model SPECIFICATIONS ACTIVE SURROUND SPEAKER SYSTEM MICROFILM...

  • Page 2: Table Of Contents

    CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS REMPLACER CES COMPOSANTS QUE PAR DES PIÈSES SONY APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU PUBLISHED BY SONY.

  • Page 3: General

    SAVA-7 SECTION 1 SECTION 2 SECTION 3 GENERAL DISASSEMBLY DIAGRAMS This section is extracted from instruction manual. Note : Follow the disassembly procedure in the numerical order given. STAND ASSY, BOTTOM GRILLE, BOTTOM SPEAKER 3-1. CIRCUIT BOARDS LOCATION GRILLE FRAME ASSY, FRONT PANEL ASSY, FRONT SPEAKER Remove the cacher by prying it up using ‘...

  • Page 7: Ic Pin Functions

    3-6. IC PIN FUNCTION • IC151 (SYSTEM CONTROL) CXP82612-027Q Pin No. Pin Name Description STOP STOP detection. SIRCS SIRCS. — Not used. — Not used. — Not used. Chip enable for surround IC (LA2786, LV1016) control. Chip enable for LR side volume IC (LC75373) control. Clock.

  • Page 8: Ic Block Diagrams

    3-7. IC BLOCK DIAGRAMS IC201 LC75373ED – LFIN – – – LFOUT – LSELO LROUT – – – VREF SHIFT DECODER LATCH CONTROL REGISTER – – – RROUT RSELO – RFOUT – – – – RFIN 6 7 8 9 10 IC351 LV1016 INV-PHASE...
  • Page 9 IC301 LA2786 BPF1 NOISE NOISE FILTER BPF2 NOISE GENERATOR DATA BALANCE ENABLE VREF V REF CONTROL OSC1 DIVIDER CONTROL S-CH DC OUT C-CH DC OUT L-CH DC OUT R-CH DC OUT VREF L-IN L-OUT R-IN R-OUT S-OUT C-OUT CMODE-CAP. C-TRIM DC CUT R-BPF1 L-BPF1 L-BPF2...

  • Page 10: Exploded Views

    4-951-620-01 SCREW (2.6X8), +BVTP X-4948-672-1 FRAME ASSY, GRILLE (WHITE) X-4948-544-1 GRILLE ASSY, TOP (BLACK) 4-963-075-01 CATCHER X-4948-671-1 GRILLE ASSY, TOP (WHITE) 4-962-708-11 EMBLEM (4-A), SONY 4-991-688-01 FOOT (B) X-4948-540-1 PANEL (L) ASSY, FRONT (BLACK) X-4948-726-1 STAND ASSY X-4948-669-1 PANEL (L) ASSY, FRONT (WHITE) 1-505-614-11 SPEAKER (10cm) 4-874-614-31 SCREW (4) (3.5X12), TAPPING...

  • Page 11: System (L) Assy Back

    4-2. SYSTEM (L) ASSY BACK not supplied not supplied IC601 not supplied IC501 IC701 not supplied not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 4-874-614-31 SCREW (4) (3.5X12), TAPPING * 55 4-990-201-11 COVER (L), BACK (WHITE) * 52 A-4398-637-A DOLBY BOARD, COMPLETE * 56...

  • Page 12: System (R) Assy Front

    X-4948-672-1 FRAME ASSY, GRILLE (WHITE) 1-505-616-11 SPEAKER (7cm) * 102 4-963-075-01 CATCHER X-4948-544-1 GRILLE ASSY, TOP (BLACK) 4-962-708-11 EMBLEM (4-A), SONY X-4948-671-1 GRILLE ASSY, TOP (WHITE) X-4948-541-1 PANEL (R) ASSY, FRONT (BLACK) 1-505-614-11 SPEAKER (10cm) X-4948-670-1 PANEL (R) ASSY, FRONT (WHITE) 4-990-200-01 GRILLE, BOTTOM (BLACK) 4-874-614-31 SCREW (4) (3.5X12), TAPPING...

  • Page 13: System (R) Assy Back

    4-4. SYSTEM (R) ASSY BACK not supplied T901 not supplied US, CND MODEL UK MODEL not supplied AEP, G, MY, SP, AUS, CH MODEL Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 4-874-614-31 SCREW (4) (3.5X12), TAPPING * 160 1-666-150-11 CONNECTOR BOARD * 152...

  • Page 14: Electrical Parts List

    SECTION 5 CONNECTOR DISPLAY ELECTRICAL PARTS LIST Note: • Due to standardization, replacements in the • RESISTORS When indicating parts by reference number, parts list may be different from the parts All resistors are in ohms. please include the board naame. specified in the diagrams or the components METAL: metal-film resistor The components identified by mark ! or...
  • Page 15 DISPLAY DOLBY Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R168 1-249-417-11 CARBON 1/4W F C334 1-162-292-31 CERAMIC 680PF R169 1-249-417-11 CARBON 1/4W F C351 1-126-961-11 ELECT 2.2uF R170 1-249-417-11 CARBON 1/4W F C352 1-126-934-11 ELECT 220uF R171 1-249-417-11 CARBON...
  • Page 16 DOLBY POWER Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R356 1-249-439-11 CARBON 1/4W C610 1-162-294-31 CERAMIC 0.001uF R357 1-247-903-00 CARBON 1/4W C611 1-162-207-31 CERAMIC 22PF R451 1-247-807-31 CARBON 1/4W C612 1-162-207-31 CERAMIC 22PF R452 1-247-807-31 CARBON 1/4W C614 1-162-294-31 CERAMIC...
  • Page 17 POWER SWITCH VOLUME Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks ! R608 1-249-389-11 CARBON 1/4W F R951 1-249-418-11 CARBON 1.2K 1W F R701 1-249-433-11 CARBON 1/4W R702 1-249-433-11 CARBON 1/4W < RELAY > R703 1-249-433-11 CARBON 1/4W R704 1-249-433-11 CARBON...
  • Page 18 SAVA-7 VOLUME Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C216 1-126-964-11 ELECT 10uF R281 1-249-433-11 CARBON 1/4W C217 1-130-477-00 MYLAR 0.0033uF 5% R282 1-249-433-11 CARBON 1/4W C218 1-130-481-00 MYLAR 0.0068uF 5% R283 1-249-433-11 CARBON 1/4W...

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