Sony SLV-D920 E1 - User Manual

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AEP Model

SLV-D920 B/D920 E/D920 N/D925 E/

D930 D/D960P B/D960P E

UK Model

SLV-D930 GI

Russian Model

SLV-D920 R

SERVICE MANUAL

DVD PLAYER/

VIDEO CASSETTE RECORDER

SPECIFICATIONS

RMT-V503C/V503D

TS-10 MECHANISM

Refer to the SERVICE MANUAL of VHS MECHANI-

CAL ADJUSTMENT MANUAL VII for MECHANICAL

ADJUSTMENTS. (9-921-790-11)

PA L

System

Laser

Semiconductor laser

Signal format system

PAL/(NTSC)

SLV-D920 B/D960P B:

SECAM

SLV-D920 B/D920 N/D920 R/D960P B:

MESECAM

Channel coverage

SLV-D920 B/D920 E/D925 E/D930 D/D960P B/

D960P E:

PAL (B/G):

VHF E2 to E12

VHF Italian channel A to H

UHF E21 to E69

CATV S01 to S05, S1 to S20

HYPER S21 to S41

SLV-D930 GI:

PAL (I):

VHF IA to IJ, SA10 to SA13

UHF B21 to B69

CATV S01 to S05, S1 to S20

HYPER S21 to S41

SLV-D920 B/D960P B:

SECAM (L):

VHF F2 to F10

UHF F21 to F69

CATV B to Q

HYPER S21 to S41

SLV-D920 N/D920 R:

PAL (B/G, D/K):

VHF E2 to E12, R1–R12

UHF E21 to E69, R21–R69

CATV S01 to S05, S1 to S41

RF output signal

SLV-D920 E/D920 N/D920 R/D930 D/D930 GI/

D960P E:

UHF channels 21 to 69

Aerial out

75-ohm asymmetrical aerial socket

Tape speed

SP: PAL 23.39 mm/s

(recording/playback)

NTSC 33.35 mm/s

(playback only)

SLV-D920 B/D960P B:

SECAM 23.39 mm/s

(recording/playback)

MESECAM 23.39 mm/s

(playback only)

SLV-D920 N/D920 R:

MESECAM 23.39 mm/s

(recording/playback)

— Continued on next page —

SLV-D920 B/D920 E/D920 N/D920 R/D925 E/

D930 D/D930 GI/D960P B/D960P E

RMT-V503D

SLV-D960P E

Main Page

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This document describes the SLV-D920 B/D920 E/D920 N/D920 R/D925 E/D930 D/D930 GI/D960P B/D960P E series of DVD Player/Video Cassette Recorders, along with their remote controls RMT-V503C/V503D. These devices are designed for both DVD playback and VHS recording/playback, offering a versatile home entertainment solution.

Function Description:

The devices are primarily a combination of a DVD player and a VHS Hi-Fi video cassette recorder. They support both DVD playback and VHS recording and playback, indicated by the "DVD PLAYER/VIDEO CASSETTE RECORDER" designation. The integration of these two formats allows users to enjoy both modern digital video and traditional analog video from a single unit. The "SHOWVIEW" and "VIDEOplus+" features suggest advanced programming capabilities for recording television broadcasts.

Important Technical Specifications:

System:
- Laser: Semiconductor laser for optical disc reading.
- Signal Format System: Supports PAL and NTSC.
  - SLV-D920 B/D960P B: SECAM
  - SLV-D920 B/D920 N/D920 R/D960P B: MESECAM
- Channel Coverage:
  - SLV-D920 B/D920 E/D925 E/D930 D/D960P B/D960P E (PAL B/G): VHF E2-E12, Italian channel A-H; UHF E21-E69; CATV S01-S05, S1-S20; HYPER S21-S41.
  - SLV-D930 GI (PAL I): VHF IA-IJ, SA10-SA13; UHF B21-B69; CATV S01-S05, S1-S20; HYPER S21-S41.
  - SLV-D920 B/D960P B (SECAM L): VHF F2-F10; UHF F21-F69; CATV B-Q; HYPER S21-S41.
  - SLV-D920 N/D920 R (PAL B/G, D/K): VHF E2-E12, R1-R12; UHF E21-E69, R21-R69; CATV S01-S05, S1-S41.
RF Output Signal:
- SLV-D920 E/D920 N/D920 R/D930 D/D930 GI/D960P E: UHF channels 21-69.
- Aerial Out: 75-ohm asymmetrical aerial socket.
Tape Speed:
- SP (PAL): 23.39 mm/s (recording/playback).
- NTSC: 33.35 mm/s (playback only).
- SLV-D920 B/D960P B (SECAM): 23.39 mm/s (recording/playback).
- MESECAM: 23.39 mm/s (playback only).
- SLV-D920 N/D920 R (MESECAM): 23.39 mm/s (recording/playback).
Audio: Hi-Fi Audio Processor (IC501: LA72646) and 2CH Audio DAC (AIC2: PCM1752KE).
Video: Video Amp 6CH S/W (VIC1: LA73054) and Video Signal Processor (IC301: LA71750EM).
Memory: DIC5 64MB SD RAM, DIC2 AM26LV160B 1MB Flash Memory, IC605 EEPROM.
Mechanism: TS-10 Mechanism.

Usage Features:

Combined Functionality: The primary feature is the integration of a DVD player and a VHS recorder, allowing users to play DVDs and VHS tapes, as well as record TV programs onto VHS.
Multi-Standard Support: The various models support different PAL, NTSC, and SECAM standards, catering to diverse regional broadcasting systems.
Advanced Recording: "SHOWVIEW" and "VIDEOplus+" imply simplified programming for TV recording, likely using codes from TV listings to automatically set recording times and channels.
Remote Control: The RMT-V503C/V503D remote controls provide comprehensive control over both DVD and VCR functions, including specific buttons for VCR adjustments like X-Point (Tracking Center), NVRAM Option Setting, and Head Switching Adjustment.
On-Screen Display (OSD): The presence of an OSD/VPS/PDS block (IC6P01: LC74776-9821/LC74759-9820) indicates an on-screen menu system for user interaction and settings.
Connectivity: Features SCART jacks, optical and coaxial digital audio outputs, component video output (Y, Pb, Pr), composite video, and stereo audio (L/R) inputs/outputs, providing versatile connection options for various home theater setups. Front A/V jacks offer convenient temporary connections.

Maintenance Features:

Service Manual Availability: The document itself is a service manual, providing detailed information for technicians. It includes block diagrams, power drive schematics, OSD/VPS/PDS, A2/NICAM, Hi-Fi, Input-Output (SCART and RCA), TM (Tuner Module), DVD A/V, DVD Decoder Servo, Logic/Function, and SECAM circuit diagrams.
Mechanical Adjustments: Refers to a separate "VHS MECHANICAL ADJUSTMENT MANUAL VII (9-921-790-11)" for detailed mechanical adjustments, highlighting the complexity and precision required for VCR maintenance.
VCR Adjustment Procedures:
- X-Point (Tracking Center) Adjustment: Adjustable via remote control (0 + 5 buttons) after entering adjustment mode.
- Head Switching Adjustment: Adjustable via remote control (1 + 0 buttons) after entering adjustment mode.
- NVRAM Option Setting: Critical for proper operation after replacing Main PCB Micom (IC601) or NVRAM (IC605 EEPROM). Adjustable via remote control (1 + 4 buttons) to select the correct option number for the specific model.
- Adjustment Mode Entry: Achieved by intermittently short-circuiting a "TEST Point" on the Main PCB with pincers.
- ACE Head Assembly Adjustment: Includes procedures for ACE Head Height Adjustment (using a dental mirror and screw C), ACE Head Tilt Adjustment (observing tape wrinkle and screw A), and Audio Azimuth Adjustment (using alignment tape, oscilloscope, and screw B).
- Linearity Adjustment (Guide Roller S, T Adjustment): Involves playing a Mono Scope alignment tape, observing video envelope waveform, and adjusting guide rollers S and T to meet specifications (c,b,d/a ≥ 63%).
- Transitional Operation Check (RPS to Play): Ensures smooth transition by checking envelope rise time within 3 seconds.
- Envelope Check: Verifies playback output envelope meets specifications for self-recorded and pre-recorded tapes.
- Tape Wrinkle Check: Involves observing tape wrinkle in various modes and performing linearity or ACE head assembly coarse adjustments if necessary.
- Reel Torque Check: Specifies torque values for PB (42 ± 11 g/cm) and RPS (145 ± 30 g/cm) modes using a Cassette Torquemeter, with instructions to replace the holder clutch assembly if specs are not met.
Safety Notice: Emphasizes the importance of using only specified components for parts identified with a "H" mark due to their special safety characteristics.
Component-Level Repair Information: Detailed block diagrams and schematics facilitate troubleshooting and repair down to the individual component level, including ICs, transistors, resistors, and capacitors.
Power Supply Details: A dedicated "S.M.P.S." (Switching Mode Power Supply) block diagram and "Power Drive" schematic are provided for power supply troubleshooting.