Sony SLV-L56AR User manual

MICROFILM
SERVICE MANUAL
Argentina Model
VIDEO CASSETTE RECORDER
SLV-L56AR/L76HFAR/L86HFAR
RMT-V247E/V247F
SPECIFICATIONS
G
S MECHANISM
– Continued on next page –
* 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.
L56AR
L56
Abbreviated
model name
All model
names
SLV- L76HFAR
L76HF
L86HFAR
L86HF
• Refer to the SERVICE MANUAL of VHS MECHANICAL
ADJUSTMENTS VI for MECHANICAL ADJUSTMENTS.
(9-921-647-11)
Photo: SLV-L86HFAR

4-8
• Waveforms
1IC501 4REC 5IC501 !• REC/PB
6IC501 !¶ REC/PB
2IC501 @• REC
3IC501 @™ PB
4IC501 @¡ REC/PB
2.8 Vp-p (H)
100 mVp-p (H)
800 mVp-p (H)
4.6 Vp-p (2 V)
2.2 Vp-p (H)
5.2 Vp-p (2 V)

SLV-L56/L76HF/L86HF
4-9 4-10 HEAD AMP
MA-323 (1/10)
MA-323 (HEAD AMP) SCHEMATIC DIAGRAM • See page 4-5 for printed wiring board.
– Ref. No.: MA-323 board; 1,000 series –

SLV-L56/L76HF/L86HF
4-11 4-12
MA-323 (VIDEO, AUDIO) SCHEMATIC DIAGRAM • See page 4-5 for printed wiring board.
– Ref. No.: MA-323 board; 1,000 series –
VIDEO, AUDIO
MA-323 (2/10)
Note:The components identified by mark !or dotted line
with mark !are critical for safety.
Replace only with part number specified.

4-13 4-14
• Waveforms
!∞ IC201 @§ REC/PB
REC: 470 mVp-p (H)
PB : 260 mVp-p (H)
1.1 Vp-p (3.579545 MHz)
1IC201 4PB 6IC202 1REC/PB !¡ IC201 ^º REC
!™ IC201 %¶ REC/PB
!£ IC201 %£ REC/PB
!¢ IC201 %º PB
7IC202 5REC/PB
8IC202 4REC/PB
9IC201 &¶ REC/PB
!º IC201 &¡ REC/PB
2IC201 6REC
3IC201 7PB
4IC201 !∞ REC
5IC202 8REC/PB
840 mVp-p (H) 1 Vp-p (H)
2.2 Vp-p (H)
5 Vp-p (H)
640 m Vp-p (H)
400 mVp-p (H)
360 mVp-p (H)
560 mVp-p (H)
840 mVp-p (H)
370 mVp-p (H)
440 mVp-p (H)
REC:
250 mVp-p (H)
PB : 300 mVp-p (H)
REC:
400 mVp-p (H)
PB : 500 mVp-p (H)
!§ IC201 #º REC/PB
1.1 Vp-p (3.582056 MHz)

4-16
• Waveforms
1IC161 @¢ REC/PB 6IC161 $º REC/PB
7IC161 $£,$∞ REC/PB
8IC161 %™ REC/PB
9IC161 ^ª REC/PB
!º IC161 &™ REC/PB
2IC161 #¡ REC
3IC161 #™ REC
4IC161 #• REC/PB
5IC161 #ª REC/PB
4.9 Vp-p (2 V)
5 Vp-p (2 V)
5 Vp-p (2 V)
4.2 Vp-p (360 Hz)
4.7 Vp-p (2 V)
4 Vp-p (1 kHz)
2 Vp-p (H)
2.4 Vp-p (17.734475 MHz)
2.2 Vp-p (32.768 kHz)
3.2 Vp-p (10 MHz)

SLV-L56/L76HF/L86HF
4-17 4-18
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)

SLV-L56/L76HF/L86HF
4-19 4-20
SERVO CONTROL
MA-323 (4/10)
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.

SLV-L56/L76HF/L86HF
4-21 4-22
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)

SLV-L56/L76HF/L86HF
4-23 4-24
MA-323 (IO) SCHEMATIC DIAGRAM • See page 4-5 for printed wiring board.
– Ref. No.: MA-323 board; 1,000 series –
IO
MA-323 (6/10)