Kenwood KCH-19 User Manual

SERVICE MANUAL
COPYRIGHT © 2014 JVC KENWOOD Corporation
No.RA019<Rev.001>
2014/11
B5B-7170-00
CONTROL HEAD KIT
RA019<Rev.001>201411SERVICE MANUALB5B-7170-00
KCH-19
COPYRIGHT © 2014 JVC KENWOOD Corporation
Note :
Lead free solder used in the board (material : Sn, Ag, In, Bi, melting point : 227 Centigrade)
TABLE OF CONTENTS
1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
T
his product complies with the RoHS directive for the European market.
This product uses Lead Free solder.

Kenwood KCH-19 Specifications

General

Maximum Output Power	50W x 4
DIN Size	1 DIN
Display Type	LCD
Remote Control	Yes
MP3 Playback	Yes
WMA Playback	Yes
Radio Tuner	FM/AM
USB	Yes
AUX	Yes
Compatible Audio Formats	MP3, WMA

Summary

SECTION 1 PRECAUTION

SECTION 2 SPECIFIC SERVICE INSTRUCTIONS

2.1 CIRCUIT DESCRIPTION

Details the LCD, indicator LEDs, key detection, light sensor, and power supply circuits, including their interconnections and functions.

SECTION 3 DISASSEMBLY

3.1 Precautions for Disassembly

Provides steps and warnings for safely removing the speaker hardware fixture and holder from the unit.

3.2 Precautions for Reassembly

Offers guidance on correctly installing the holder and speaker hardware fixture during reassembly.

SECTION 4 ADJUSTMENT

SECTION 5 TROUBLESHOOTING