Kenwood GX-204KH - User Manual

© 2006-6 CREATED IN JAPAN
B53-0427-00
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CD & HEATER CONTROL RECEIVER
GX204KEF2/KHF2
GX204LEF2/REF2
GX204SEF2
SERVICE MANUAL
GX204LEF2
FOLDER
AUTO
OFF
TONE BAL
SCAN DISP
A/S PAGE
RPT RDM
NEWS T.I
RDS VOL ADJ
REG LO/DX
CD
FM
AUXAM
MODE A/C
LOAD
TUNE/TRACK
PUSH ON/VOL
FRONT
GX204KEF2
CD
AUX
LOAD
MODE A/C
TONE BAL
TUNE/TRACK
FOLDER
AUTO
OFF
DISP PAGE
SCAN LOCAL
A/S
FM
AM
RPT RDM
PUSH ON/VOL
FRONT
TONE BALSCAN
A/S
RPT RDM
NEWS T.I
DISP
PAGE
RDS VOL ADJ
REG LO/DX
GX204REF2
MODE A/C
AUTO
OFF
GX204KHF2
TONE BAL
SCAN
A/S
RPT RDM
LOCAL
DISP PAGE
GX204SEF2
SUBARU GENUINE
Model Model Name Parts No.
GX-204KE GX204KEF2 86201AG290
GX-204KH GX204KHF2 86201AG250
GX-204LE GX204LEF2 86201AG460
GX-204RE GX204REF2 86201AG350
GX-204SE GX204SEF2 86201AG550
DC cord for service E30-3801-15
ANT extension cord for service E30-6255-05
Panel assy
The knobs with numbers larger than 700 on exploded view are not
supplied for service parts because it is difficult to apply grease.
Please change to panel assy when you need repair to the knob.
The 6CD mechanism has not supplied repair parts for each part
(for Optical Laser pickup, motor etc). If you need repair to the 6CD
mechanism please change to mechanism assy (D40-2214-15).
(Y33-2570-23): GX204KEF2
(Y33-2570-24): GX204KHF2
(Y33-2572-73): GX204REF2
Panel assy
(Y33-2570-12): GX204SEF2
(Y33-2572-74): GX204LEF2
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299

Summary

Block Diagram

Components Description

Power Supply Unit Components

Lists components of the power supply unit, including transistors and ICs.

Synthesizer Unit Components

Lists components of the synthesizer unit, including ICs, filters, and amplifiers.

Microcomputers Terminal Description

System Microcomputer Terminals

Details pin assignments and functions for the main system microcomputer.

Panel (Audio) Microcomputer Terminals

Describes terminal functions for the audio panel microcomputer.

Panel (Heater Control) Microcomputer Terminals

Details terminal functions for the heater control panel microcomputer.

PC Board Layouts

Switch Unit Component Side View

Component layout of the switch unit on the PC board.

Switch Unit Foil Side View

Foil side layout of the switch unit on the PC board.

Synthesizer Unit Component Side View

Component layout of the synthesizer unit on the PC board.

Synthesizer Unit Foil Side View

Foil side layout of the synthesizer unit on the PC board.

Power Supply Unit Component Side View

Component layout of the power supply unit on the PC board.

Schematic Diagrams

Power Supply Schematic

Schematic for the power supply section of the receiver.

Aux Isolation Schematic

Schematic for the auxiliary input isolation circuit.

SLE Bus Schematic

Schematic for the serial bus communication.

DC;DC Converter Schematics

Schematics for various DC/DC converter circuits.

Servo 8 V Schematic

Schematic for the 8V servo power supply circuit.

Audio Schematic

Schematic for the audio processing circuits.

DSP Schematic

Schematic for the digital signal processing circuits.

DC;DC DSP Schematic

Schematic for DC/DC conversion related to DSP.

Exploded Views

Exploded View for GX204 KEF2;KHF2;REF2

Physical breakdown of components for specific models.

Exploded View for GX204 LEF2;SEF2

Physical breakdown of components for specific models.

Parts List

Power Supply Unit Parts

List of components for the power supply unit.

Panel Parts

List of parts associated with the unit's panels.

Synthesizer Unit Parts

List of components for the synthesizer unit.

Switch Unit Parts (H;C)

List of components for the H/C switch unit.

Specifications

FM Specifications

Technical specifications for FM radio reception.

AM Specifications

Technical specifications for AM radio reception.

CD Specifications

Technical specifications for CD playback.

Audio Specifications

Technical specifications for audio output and tone control.

General Specifications

General operating parameters like voltage and current.

Kenwood GX-204KH Specifications