Sony HCD-H771 Service Manual

Guidance on handling the optical pick-up block, emphasizing static electricity precautions.

Procedure for manually opening the disc tray when the unit is powered off.

Safety instructions for checking the laser diode emission, including observation distance.

Explanation of the functions for CD player and tuner control buttons, including timer illumination.

Procedure for disassembling the loading panel and removing the disc tray.

Steps to remove the front panel, detailing connectors and claw mechanisms.

Instructions for disassembling the TC mechanism deck, including cassette holder.

Procedure for disassembling the panel board and jog board, noting screws and knobs.

Detailed steps for removing the disc tray and managing its flat wire.

Table outlining torque specifications for various mechanical adjustments.

Procedures for demagnetizing record/playback heads and adjusting record bias.

Steps for adjusting the record/playback head azimuth on both decks.

Procedure for adjusting tape speed on Deck A and Deck B.

Procedure for adjusting playback level on the MD board and for both decks.

Procedure for adjusting record bias current on Deck B.

Procedure for adjusting record level on Deck B.

Procedure for adjusting the AM tuned level using an RF SSG.

Procedure for adjusting the FM tuned level using an RF stereo signal generator.

Procedure for adjusting SW control voltage using a digital voltmeter.

Procedure for adjusting SW tracking using an AM RF SSG.

Procedure for adjusting FM polar characteristics using an RF SSG.

Procedure for adjusting focus bias on the BD board using an oscilloscope.

Procedure to check the S-curve waveform on the BD board using an oscilloscope.

Procedure to check the RF signal waveform on the BD board using an oscilloscope.

Procedure to check the E-F balance waveform on the Main board using an oscilloscope.

Procedure for gain adjustment of focus/tracking on the Main board.

Diagram illustrating the physical location of all circuit boards within the unit.

Detailed pin functions and I/O for key integrated circuits like IC500 and IC701.

Block diagrams detailing sections like Tuner, CD, and Optical Pick-up.

Printed wiring board layout for the tuner section of various models.

Schematic diagram for the tuner section of various models.

Printed wiring board layout for the CD section.

Schematic diagram for the CD section.

Schematic diagram for the polar section.

Printed wiring board layout for the motor section.

Schematic diagram for the motor section.

Printed wiring board layout for the panel section.

Schematic diagram for the panel section.

Block diagrams for CD section ICs like CXA1775BG, BA8397FP, and CXD2007.

Exploded view of the case section, detailing all components and their references.

Exploded view of the back panel section, detailing all components and their references.

Exploded view of the front panel section 1, detailing components and references.

Exploded view of the front panel section 2, detailing components and references.

Exploded view of the CD mechanism section 1, detailing components and references.

Exploded view of the CD mechanism section 2, detailing components and references.

Exploded view of the base unit section, detailing components and references.

Exploded view of the TC mechanism section 1, detailing components and references.

Exploded view of the TC mechanism section 2, detailing components and references.

List of capacitors with part numbers, descriptions, and electrical specifications.

List of resistors with part numbers, descriptions, and electrical specifications.

List of connectors with part numbers and descriptions.

List of transistors with part numbers, descriptions, and types.

List of diodes with part numbers and descriptions.

List of fuse holders with part numbers and descriptions.

List of jacks with part numbers and descriptions.

List of coils with part numbers and descriptions.

List of vibrators with part numbers and descriptions.

List of hardware items like screws and rings with part numbers.

Instructions for correcting errors found in the service manual.