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Sony SLV-L56AR Service Manual

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SLV-L56AR/L76HFAR/L86HFAR
SERVICE MANUAL
• Refer to the SERVICE MANUAL of VHS MECHANICAL
ADJUSTMENTS VI for MECHANICAL ADJUSTMENTS.
(9-921-647-11)
* The abbreviations of L56, L76HF and L86HF contained in this service manual
are indicated when these models are common to all their corresponding mod-
els as given below.
Abbreviated
L56
model name
All model
names
L56AR
SLV-
MICROFILM
Photo: SLV-L86HFAR
L76HF
L86HF
L76HFAR
L86HFAR
SPECIFICATIONS
RMT-V247E/V247F
Argentina Model
– Continued on next page –
VIDEO CASSETTE RECORDER
S MECHANISM
G

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Summary of Contents for Sony SLV-L56AR

  • Page 1 SLV-L56AR/L76HFAR/L86HFAR RMT-V247E/V247F SERVICE MANUAL Argentina Model Photo: SLV-L86HFAR S MECHANISM • Refer to the SERVICE MANUAL of VHS MECHANICAL ADJUSTMENTS VI for MECHANICAL ADJUSTMENTS. (9-921-647-11) * The abbreviations of L56, L76HF and L86HF contained in this service manual are indicated when these models are common to all their corresponding mod- els as given below.
  • Page 2 • Waveforms 1 IC501 4 REC 5 IC501 !• REC/PB 2.2 Vp-p (H) 2.8 Vp-p (H) 2 IC501 @• REC 6 IC501 !¶ REC/PB 5.2 Vp-p (2 V) 100 mVp-p (H) 3 IC501 @™ PB 800 mVp-p (H) 4 IC501 @¡ REC/PB 4.6 Vp-p (2 V)
  • Page 3 SLV-L56/L76HF/L86HF MA-323 (HEAD AMP) SCHEMATIC DIAGRAM • See page 4-5 for printed wiring board. – Ref. No.: MA-323 board; 1,000 series – HEAD AMP MA-323 (1/10) 4-10...
  • Page 4 SLV-L56/L76HF/L86HF MA-323 (VIDEO, AUDIO) SCHEMATIC DIAGRAM • See page 4-5 for printed wiring board. – Ref. No.: MA-323 board; 1,000 series – Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. VIDEO, AUDIO MA-323 (2/10) 4-11...
  • Page 5 • Waveforms 1 IC201 4 PB 6 IC202 1 REC/PB !¡ IC201 ^º REC !§ IC201 #º REC/PB 840 mVp-p (H) REC: 400 mVp-p (H) 1 Vp-p (H) 1.1 Vp-p (3.582056 MHz) PB : 500 mVp-p (H) 2 IC201 6 REC 7 IC202 5 REC/PB !™...
  • Page 6 • Waveforms 1 IC161 @¢ REC/PB 6 IC161 $º REC/PB 4 Vp-p (1 kHz) 4.9 Vp-p (2 V) 2 IC161 #¡ REC 7 IC161 $£,$∞ REC/PB 2 Vp-p (H) 5 Vp-p (2 V) 3 IC161 #™ REC 8 IC161 %™ REC/PB 5 Vp-p (2 V) 2.4 Vp-p (17.734475 MHz) 4 IC161 #•...
  • Page 7 SLV-L56/L76HF/L86HF MA-323 (SYSTEM CONTROL) SCHEMATIC DIAGRAM • See page 4-5 for printed wiring board. – Ref. No.: MA-323 board; 1,000 series – SYSTEM CONTOROL MA-323 (3/10) 4-17 4-18...
  • Page 8: Servo Control

    SLV-L56/L76HF/L86HF MA-323 (SERVO CONTROL) SCHEMATIC DIAGRAM • See page 4-5 for printed wiring board. – Ref. No.: MA-323 board; 1,000 series – Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. SERVO CONTROL MA-323 (4/10) 4-19...
  • Page 9 SLV-L56/L76HF/L86HF MA-323 (Hi-Fi AUDIO) SCHEMATIC DIAGRAM • See page 4-5 for printed wiring board. – Ref. No.: MA-323 board; 1,000 series – Hi-Fi AUDIO MA-323 (5/10) 4-21 4-22...
  • Page 10 SLV-L56/L76HF/L86HF MA-323 (IO) SCHEMATIC DIAGRAM • See page 4-5 for printed wiring board. – Ref. No.: MA-323 board; 1,000 series – MA-323 (6/10) 4-23 4-24...
  • Page 11 SLV-L56/L76HF/L86HF MA-323 (TUNER) SCHEMATIC DIAGRAM • See page 4-5 for printed wiring board. – Ref. No.: MA-323 board; 1,000 series – TUNER MA-323 (7/10) 4-25 4-26...
  • Page 12: Mode Control

    SLV-L56/L76HF/L86HF MA-323 (MODE CONTROL) SCHEMATIC DIAGRAM • See page 4-5 for printed wiring board. – Ref. No.: MA-323 board; 1,000 series – MODE CONTROL MA-323 (8/10) 4-27 4-28...
  • Page 13 SLV-L56/L76HF/L86HF MA-323 (FL DRIVER) SCHEMATIC DIAGRAM • See page 4-5 for printed wiring board. – Ref. No.: MA-323 board; 1,000 series – FL DRIVER MA-323 (9/10) 4-29 4-30...
  • Page 14: Power Supply

    SLV-L56/L76HF/L86HF MA-323 (POWER SUPPLY) SCHEMATIC DIAGRAM • See page 4-5 for printed wiring board. – Ref. No.: MA-323 board; 1,000 series – Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. POWER SUPPLY MA-323 (10/10) 4-31...
  • Page 15 SLV-L56/L76HF/L86HF DM-76 (MODE CONTROL), MF-312 (MODE CONTROL, FRONT IN) PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS – Ref. No.: DM-76 board, MF-312 board; 2,000 series – There are few cases that the part isn't mounted in this model is printed on this diagram. MF-312 BOARD CN407 CN408...
  • Page 16 SLV-L56/L76HF/L86HF HS-921SF1 (POWER SUPPLY) SCHEMATIC DIAGRAM – Ref. No.: HS-921SF1 board; 3,000 series – – SLV-L56 – HS-921SF1 BOARD D401 T101 10ELS4 C401 C109 R102 0.047µF 47µF 630V L103 L301 D301 S2LA20 22µH CN201 9P D102 C110 C303 EG01 68pF 0.01µF C301 C302...
  • Page 17 SLV-L56/L76HF/L86HF SR-708 (POWER SUPPLY) SCHEMATIC DIAGRAM – Ref. No.: SR-708 board; 4,000 series – – SLV-L76HF/L86HF – SR-708 BOARD R201 D201 T101 EG01C 1/2W R102 C110 R209 C201 0.01µF 47µF 400V IC101 SWITCH L202 D202 10µH RL4Z IC101 MIP184 D105 EG01C CN201 9P C203...

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