File name Kenwood-KMD42 car minidisk rec.pdfMD RECEIVER
KMD-42
SERVICE MANUAL
© 2000-1 PRINTED IN JAPAN B51-7579-00(S) 1474
q This service manual does not include information on the MD mechanism assembly (explodedview, parts list, schematic diagram or mechanism description). For such information, refer to the MD mechanism assembly manual (X92-3390-00, 0-01, X92-3560-00, X92-3580-00 : B51-7461-00).
Front glass (B10-3116-01)
Escutcheon (B07-2181-02)
Panel assy (A64-1880-02)
SRC
KMD-42
MD RECEIVER CD·MD-CHANGER CONTROL
45Wx4
MENU
PWR OFF
DISC+
FM AUD
LOUD SCAN RDM REP D.SCAN M.RDM AUTO AME CLK NAME.S
AM
DISC-
ATT
1
2
3
4
5
6
Plastic cabinet assy (A02-1486-13)
Mounting hardware assy (J21-9491-03)
Lever (D10-3031-04) x2
Stay (J54-0606-04)
DC cord (E30-4783-05)
Screw set (N99-1632-05)
Screw set (N99-1610-15)
KMD-42
VDD
AFC
SDA SCL
SD S-METER
BU5V PHONE
R CLK R DATA QUAL
NOISE
SDA SCL
REMO
L INH L DATAS L CLK L CE L DATAL
PANEL
2
A8V
ANT
A1
TUNER
Q25,26
FM+B
FM+B
Q27,28 IC2 Q21,22 MUTE
FM 1692mV 547mV 3529mV
AM+B
AM+B 380mV PRE OUT 170mV 1200mV
MD CH S MUTE FM AM
IF1/IF2/PLL+B
VDD 5V AUDIO OUT
TUN5V E-VOL and MPX IC8, Q19,20
AM MD CD-CH 3529mV
MUTE DRIVER
1200mV QUAL MP OUT
LEVEL MP IN
SDA SCL S-METER SD
IC4 POWER IC SP-OUT
Q23 SVR SW THERMAL PROTECTION
MUTE
MICROCOMPUTER'S DESCRIPTION ... 4
COMPONENT DESCRIPTION ... 3
ADJUSTMENT ... 6
PC BOARD ... 7
BLOCK DIAGRAM ... 2
MD
S 5.0V A8V BU5V
Q18
ACC DET.
ACC DET.
ACC
LOS SW LOE SW LOAD EJECT M CLK M DATA M RST M STOP M MUTE
IC1 u-COM SVR
SW5V BU5V
CONTENTS
Q10 Q1,2 BU5V Q17
BU DET.
Q13-16 P-CON P-CON/ANT-CON BACK UP
SW5V
BLOCK DIAGRAM
CH
BU DET.
IC7,Q33
RST
DSI
IC3,Q5
BU5V
A8V
A.8V AVR Q3,4 A.8V AVR ON/OFF SW IC6
RST REQ C CLK DATA H CH-CON REQ H DATA C MUTE
Q24 PAN 5V SW
BACK UP
(X13)
S 5.0V
PAN 5V PANEL PAN 5V
RST SW IC2 IC1
Q4 VLCD AVR
MD SERVO AVR Q6 SERVO AVR ON/OFF SW
SW5V
REMOTE CONTROL LCD DRIVER WITH KEY MATRIX
Q7-9 ILLUMI AVR
SCHEMATIC DIAGRAM ... 11
PARTS LIST ... 18
EXPLODED VIEW ... 17
SPECIFICATIONS ... Back cover
LCD
KMD-42
COMPONENT DESCRIPTION
q SWITCH UNIT(X13-9700-11)
Ref.No. IC1 IC2 Q1 Q4 Component Name LC75808W RS-171 DTA114EKorUN2111 2SC2412Kor2SD601A Application/Function LCD driver with key-matrix Remote control light sensor Key-matrix permission SW LCD AVR Operation/Condition/Compatibility
Ready on key-matrix, ON when the base goes "Lo".
q ELECTRIC UNIT(X25-8450-11)
Ref.No. Component Name IC1 UPD784216GF520 IC2 TDA7400D IC3 M5237ML IC4 IC6 IC7 IC8 Q1 Q2 Q3 Q4 Q5 Q6 |