Sony RMT-V503C - User Manual

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Summary

SPECIFICATIONS

System

Details of system configurations, including laser and signal format.

RF output signal

Specifies the RF output signal channels for different models.

Tape speed

Lists the tape speeds for PAL and NTSC playback.

5-7 Input-Output (2 Scart Jack)

6. ALIGNMENT AND ADJUSTMENTS

6-1 VCR ADJUSTMENT

Procedures for adjusting VCR tracking, head switching, and NVRAM options.

6-2 VCR MECHANICAL ADJUSTMENT

Procedures for mechanical adjustments of the VCR tape transport system.

Summary

SPECIFICATIONS

System

Details of system configurations, including laser and signal format.

RF output signal

Specifies the RF output signal channels for different models.

Tape speed

Lists the tape speeds for PAL and NTSC playback.

5-7 Input-Output (2 Scart Jack)

6. ALIGNMENT AND ADJUSTMENTS

6-1 VCR ADJUSTMENT

Procedures for adjusting VCR tracking, head switching, and NVRAM options.

6-2 VCR MECHANICAL ADJUSTMENT

Procedures for mechanical adjustments of the VCR tape transport system.

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.