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Sony SLV-798HF Service Manual
Sony SLV-798HF Service Manual

Sony SLV-798HF Service Manual

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SERVICE MANUAL
G
j
• Refer to the SERVICE MANUAL of VHS MECHANICAL
ADJUSTMENT
for MECHANICAL ADJUSTMENTS.
(9-921-647-11)
MICROFILM
SLV-798HF/998HF
Photo : SLV-998HF
SPECIFICATIONS
RMT-V229/V232C
Canadian Model
Chilean Model
Mexican Model
VIDEO CASSETTE RECORDER
US Model
SLV-798HF/998HF
SLV-798HF/998HF
PX Model
SLV-998HF
S MECHANISM

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Summary of Contents for Sony SLV-798HF

  • Page 1 SLV-798HF/998HF RMT-V229/V232C SERVICE MANUAL US Model SLV-798HF/998HF Canadian Model SLV-798HF/998HF Chilean Model Mexican Model PX Model SLV-998HF Photo : SLV-998HF • Refer to the SERVICE MANUAL of VHS MECHANICAL ADJUSTMENT for MECHANICAL ADJUSTMENTS. S MECHANISM (9-921-647-11) SPECIFICATIONS VIDEO CASSETTE RECORDER...
  • Page 2 SLV-798HF/998HF MA-318 (REC/PB AMP) SCHEMATIC DIAGRAM — Ref. No.: MA-318 Board; 1,000 Series — MA-318 BOARD THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. MA-318 BOARD IC260 4 REC (In addition to this, the necessary note is...
  • Page 3 SLV-798HF/998HF MA-318 (VIDEO, NORMAL AUDIO) SCHEMATIC DIAGRAM — Ref. No.: MA-318 Board; 1,000 Series — • See page 4-3 for MA-318 BOARD printed wiring board. MA-318 BOARD !£ IC201 !∞ PB IC201 #• REC/ PB CN261 2 PB 2Vp-p 200mV/Div 0.1µsec/div...
  • Page 4 SLV-798HF/998HF MA-318 (SERVO/SYSTEM CONTROL) SCHEMATIC DIAGRAM • See page 4-3 for MA-318 BOARD printed wiring board. — Ref. No.: MA-318 Board; 1,000 Series — MA-318 BOARD !¶ @£ IC161 1 REC/PB IC161 ^• REC/PB !• IC161 5Vp-p 5Vp-p 30Hz 30Hz !ª...
  • Page 5 SLV-798HF/998HF SLV-798HF/998HF • See page 4-3 for MA-318 BOARD printed wiring board. MA-318 (ON SCREEN DISPLAY) SCHEMATIC DIAGRAM — Ref. No.: MA-318 Board; 1,000 Series — MA-318 BOARD @¶ @• @ª IC501 !º REC/PB IC500 9 REC/PB IC500 3, @∞ REC/PB...
  • Page 6 SLV-798HF/998HF MA-318 (DSF) SCHEMATIC DIAGRAM • See page 4-3 for MA-318 BOARD printed wiring board. — Ref. No.: MA-318 Board; 1,000 Series — MA-318 BOARD #º #¡ B PB Q810 E PB Q802 0.2V/div 0.1V/div 0.1µsec/div 0.1µsec/div 4-17 4-18 MA-318 (5/10)
  • Page 7 SLV-798HF/998HF MA-318 (V-SET) SCHEMATIC DIAGRAM • See page 4-3 for MA-318 BOARD printed wiring board. — Ref. No.: MA-318 Board; 1,000 Series — MA-318 BOARD #™ IC871 #º REC/PB 4.8Vp-p 8MHz V-SET 4-19 4-20 MA-318 (6/10)
  • Page 8 SLV-798HF/998HF MA-318 (AFM AUDIO) SCHEMATIC DIAGRAM • See page 4-3 for MA-318 BOARD printed wiring board. — Ref. No.: MA-318 Board; 1,000 Series — AFM AUDIO 4-21 4-22 MA-318 (7/10)
  • Page 9 SLV-798HF/998HF MA-318 (TUNER) SCHEMATIC DIAGRAM • See page 4-3 for MA-318 BOARD printed wiring board. — Ref. No.: MA-318 Board; 1,000 Series — TUNER 4-23 4-24 MA-318 (8/10)
  • Page 10 SLV-798HF/998HF MA-318 (POWER SUPPLY, AV-BUS) SCHEMATIC DIAGRAM • See page 4-3 for MA-318 BOARD printed wiring board. — Ref. No.: MA-318 Board; 1,000 Series — POWER SUPPLY, AV-BUS 4-25 4-26 MA-318 (9/10) (10/10)
  • Page 11 SLV-798HF/998HF FR-130 (MODE CONTROL) SCHEMATIC DIAGRAM — Ref. No.: FR-130 Board; 2,000 Series — MODE CONTROL 4-29 4-30 FR-130...
  • Page 12: Operation Switches

    SLV-798HF/998HF DM-74 (OPERATION SWITCHES) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM There are few cases that the part printed on this diagram isn’t mounted in this model. — Ref. No.: DM-74 Board; 2,000 Series — MA-318 REC/PB AMP, VIDEO, AUDIO, SERVO/SYSTEM CONTROL,...
  • Page 13 SLV-798HF/998HF SLV-798HF/998HF There are few cases that the part printed on this diagram isn’t mounted in this model. JK-159 (LINE-2 IN) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM — Ref. No.: JK-159 Board; 2,000 Series — MA-318 REC/PB AMP, VIDEO, AUDIO,...
  • Page 14: Power Block (Sr801)

    SLV-798HF/998HF POWER BLOCK SR801 (SWITCHING REGULATOR) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM There are few cases that the part printed on this diagram isn’t mounted in this model. — Ref. No.: SR801 Board; 8,000 Series — POWER BLOCK (SR801) T101 POWER TRANSFORMER...
  • Page 15: Power Block (Sr709)

    SLV-798HF/998HF POWER BLOCK SR709 (SWITCHING REGULATOR) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM There are few cases that the part printed on this diagram isn’t mounted in this model. — Ref. No.: SR709 Board; 9,000 Series — POWER BLOCK (SR709) T101 POWER TRANSFORMER...

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