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Sony HCD-VX5A User Manual

Sony HCD-VX5A
86 pages
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MICROFILM
SERVICE MANUAL
MINI Hi-Fi COMPONENT SYSTEM
E Model
HCD-VX5A/VX7A
Tourist Model
HCD-VX5AJ
SPECIFICATIONS
HCD-VX5A/VX5AJ/VX7A
Photo: HCD-VX7A
Dolby noise reduction manufactured under license
from Dolby Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol a are trade-
marks of Dolby Laboratories Licensing Corporation.
HCD-VX5A/VX5AJ/VX7A is the Amplifier,
Video CD player, Tape Deck and Tuner
section in MHC-VX5A/VX5AJ/VX7A.
– Continued on next page –
Model Name Using Similar Mechanism HCD-GRX50/RXD7
CD Mechanism Type CDM38L-5BD34L
Base Unit Name BU-5BD34L
Optical Pick-up Name KSS-213D/Q-RP
Model Name Using Similar Mechanism HCD-GRX50/RXD7
Tape Transport Mechanism Type TCM-230AWR2
CD
Section
Tape deck
Section
无奇不有电路图网店整理
www.xiaoyu163.com
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
2007.05.23
QQ :376315150
手机:13942296513
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Sony HCD-VX5A Specifications

General IconGeneral
BrandSony
ModelHCD-VX5A
CategorySpeaker System
LanguageEnglish

Summary

Servicing Notes

Self-Diagnosis

Unit's self-diagnosis function for checking VIDEO board circuit conditions.

Notes on Handling the Optical Pick-up Block or Base Unit

Precautions for preventing electrostatic breakdown of the laser diode.

Disassembly

Video Board, CD Mechanism Deck Section (CDM38L-5BD34L)

Steps for removing the video board and CD mechanism deck.

Tape Mechanism Deck Section (TCM-230AWR2)

Procedure for disassembling the tape mechanism deck section.

Main Board

Steps for removing the main board from the unit.

Test Mode

MC Cold Reset

Clears all data and resets the unit to initial conditions, used for customer return.

MC Hot Reset

Resets the unit with preset data intact, similar to power cycling.

CD Delivery Mode

Moves the optical pick-up for safe transport, used after repair before customer return.

LED and Fluorescent Indicator Tube All Lit, Key Check Mode

Activates all LEDs and the fluorescent indicator tube for key function testing.

Aging Mode

Mode for operational check of the tape deck section working in parallel.

Mechanical Adjustments

Record/Playback Head Azimuth Adjustment

Procedure for adjusting head azimuth for optimal playback on both decks.

Electrical Adjustments

Tape Speed Adjustment

Procedure for adjusting tape speed on DECK B using test tape WS-48B.

Playback level Adjustment

Procedure for adjusting playback levels on DECK A and DECK B using test tape P-4-L300.

Diagrams

7-1. Block Diagram - CD Servo Section

Block diagram illustrating the CD servo system signal flow and components.

7-2. Block Diagram - AUDIO/VIDEO CD Section

Block diagram showing the signal paths for the audio and video CD sections.

7-3. Block Diagram - Tape Deck Section

Block diagram detailing the signal flow within the tape deck section.

7-4. Block Diagram - MAIN Section

Block diagram illustrating the signal paths within the main unit's circuitry.

IC Pin Function Description

MAIN BOARD IC501 M30620MC-A05FP (System Controller)

Pin functions for the System Controller IC501 on the MAIN board.

VIDEO BOARD IC505 CL680T-D1 (MPEG Video/Audio Decoder, Video Signal Processor)

Pin functions for the MPEG decoder IC505 on the VIDEO board.

Exploded Views

Cover Section

Exploded view of the unit's cover and related parts, with part numbers.

Front Panel Section

Exploded view of the front panel assembly, showing all components and their part numbers.

Electrical Parts List

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