
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 models as given below.
L56AR
L56
Abbreviated
model name
All model
names
SLV-
L76HF AR
L76HF
L86HFAR
L86HF
• Refer to the SERVICE MANUAL of VHS MECHANICAL
ADJUSTMENTS VI for MECHANICAL ADJUSTMENTS.
(9-921-647-11)
Photo: SLV-L86HFAR

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 m Vp-p (H)
1.1 Vp-p (3.579545 MHz)
1 IC201 4 PB
6 IC202 1 REC/PB
!¡ IC201 ^º REC
!™ IC201 %¶ REC/PB
!£ IC201 %£ REC/PB
!¢ IC201 %º PB
7 IC202 5 REC/PB
8 IC202 4 REC/PB
9 IC201 &¶ REC/PB
!º IC201 &¡ REC/PB
2 IC201 6 REC
3 IC201 7 PB
4 IC201 !∞ REC
5 IC202 8 REC/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)