Sony SLV-L56AR Manuale utente

MICROFILM

SERVICE MANUAL

Argentina Model

VIDEO CASSETTE RECORDER

SLV-L56AR/L76HFAR/L86HFAR

RMT-V247E/V247F

SPECIFICATIONS

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

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)

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 –

MA-323 (6/10)

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