Sony HCD-SBT300W User Manual

HCD-SBT100/SBT100B/SBT300W/SBT300WB
19
2-16. MAIN BOARD
2-17. POWER CORD (AC1)
4 screw
(BVTP3 u 8)
4 screw
(BVTP3 u 8)
3 radiation sheet
4 screw
(BVTP3 u 8)
7 MAIN board
MAIN board
ditch
4 five screws
(BVTP3 u 8)
1 two screws
(BVTP3 u 8)
2 heatsink
(AMP)
6 tape
(sub material)
tape
(sub material)
– Top view –– Bottom view –
– Rear view –
 Tape VXE materiaO VettiQJ
MAIN board
ditch
tape
(sub material)
5 Remove the MAIN board block
in the direction of an arrow.
70 to 75 mm
3 power cord
(AC1)
2 cord bush
(2104)
power cord
claw
cord bush
(2104)
&RUGEXVKVHWWLQJ
1 power cord connector
(CN901)
Insert is shallow
Insert is straight
to the interior.
Insert is incline
connector
connector
connector
connector
NGOK NG
connector
connector
Note:
When you install the connector, please install them correctly.
There is a possibility that this machine damages when not
correctly installing it.
Note: When the complete MAIN board is replaced, refer to “CHECKING
METHOD OF NETWORK CONNECTION” on page 5.

Sony HCD-SBT300W Specifications

General

Brand	Sony
Model	HCD-SBT300W
Category	Car Receiver
Language	English

Summary

HCD-SBT100/SBT100B/SBT300W/SBT300WB Service Manual

Servicing Notes

Handling Optical Pick-up and Laser Diode

Precautions for handling sensitive optical components and laser diodes.

Operation Checks After Repair

Procedures for verifying unit functionality after service.

Capacitor Discharge and WiFi Module Replacement

Procedures for safe capacitor discharge and WiFi module replacement.

Network Connection Checking

Disassembly Procedures

Disassembly Flow Chart

Main Board and Power Board Replacement

Steps for replacing the main and power supply boards.

Optical Pick-up Unit Replacement

Instructions for replacing the optical pick-up mechanism.

Test Modes and Checks

Cold Reset Procedure

Functional Test Modes

Procedures for auto standby, common, and panel tests.

Tuner and CD Performance Checks

Diagrams and Schematics

Main Board Schematic Diagrams

Detailed circuit schematics for the main control board.

Peripheral Board Schematics

Schematics for USB, HP, Relay, NET, FL, and KEY/ILLUMI boards.

Power Board Schematic Diagram

Circuit diagram for the power supply section.

Waveforms and IC Block Diagrams

Visual representations of signals and functional blocks of ICs.

IC Pin Function Descriptions

Electrical Parts List

Capacitors and Transistors

Resistors and Connectors

Diodes, ICs, and Coils