Kenwood KRC-21SA, KRC-266 Service Manual
©
2002-10 PRINTED IN JAPAN
B51-7982-00 (N)2139
KRC-21SA/SG/SYA/SYG (E type)
KRC-266/S (M type)
Mounting hardware assy
(J21-9701-03)
Plastic cabinet assy
(A02-1486-13)
Lever
(D10-3031-04)
x2
Depends on model. Refer to the parts list
Screw set
(N99-1610-15)
Screw set
(N99-1719-05)
KRC-21S
40W x 4
T.CALL
AUTO
AME
KRC-266
45W x 4
AUTO
AME
DC cord
(E30-4790-05)or
(E30-6134-05)
DC cord
(E30-4784-05)or
(E30-6131-05)
Antenna adaptor
(T90-0523-05)or
(T90-0534-05)
Panel assy (A64-2926-02)
Panel assy (A64-2915-02):KRC-266, (A64-2918-02):KRC-266S
Escutcheon
(B07-2188-02):KRC-21SA/SG/SYA/SYG, KRC-266
(B07-3021-02):KRC-266S
CASSETTE RECEIVER
KRC-21SA/SG/SYA/SYG
KRC-266/S
SERVICE MANUAL
KRC-21SA/SG/SYA/SYG
KRC-266/S
2
BLOCK DIAGRAM
IC1
KEY
PAN 5V
MUTE
B.U. DET.
B.U.
ACC
P-CONT.
MUTE
PRE
POWER IC
EQ. AMP.
E-VOL.
CD/MD
CHANGER
FRONT Lch
FRONT Rch
REAR Lch
REAR Rch
J2
LCD DRIVER
LCD
CME1
MAIN
TAPE MECHA.
IC5
Lch
Rch
PRE OUT
IC2
IC4
IC3
SP OUT
REAR
J4
PAN IN SW
ACC DET.
P-CONT.
J2
J5
IC1
F/E
J1
FM+B
Q201
AM+B
Q203
AM BPF
FM BPF
C154,R206
C153,R207
Q320
Q450,451
Q49
Q50
Q350,351,370
Q53
SW 5V
Q54-57
8V
Q58-61
ILLUMI.
B.U. 5V
Q51,52
SYSTEM u-COM
S1
S2
S3
RST SW
Q301
D1-15
PL1,2
ANT.
ANT CONT
RST
ED1
FM ANT
AM ANT
RF GND
FM+B
AM+B
OSC GND
OSC GND
OSC GND
VT
PLL +B
IFC OUT
SDA
SCL
DIG GND
IF1+B
IF1 GND
S-METER
IF2 GND
SD
FM+B
P.ON
ACC DET
B.U. DET
SCL
MUTE
SDA
P CON
PANEL
HOLD
L CLK
L DATA S
L DATA L
FWD/REV
MOTOR
CH CON
DATA H
DATA C
REQ H
REQ C
CH CLK
Rch
COM
Lch
MP IN
AM
MPX
OUT RR
OUT LR
OUT RF
Rch
LEVEL
SCL
SDA
OUT LF
Rch
STBY
MUTE
Rch
Lch
T-MUTE
FWD
REV
B.U.5V
8V
B.U.
CH RST
S MUTE
8
5
10
B.U.5V
AM+B
VDD 5V
PACK IN
L RES
ANT CON
CH
MUTE
BEEP
SVR
AMP. STBY
SVR
AC GND (BEEP)
Lch Lch
Rch
Lch
1200mV
TAPE :1681mV
CD/MD-CH :3529mV
AM :546mV
FM :1781mV
8V
RF GND
OSC GND
IF2 +B
AUDIO OUT
8V
S-METER
SD
PLL-SCL
PLL-SDA
CM1
PLAY
HEAD
L/R
55.6mV
B.U.5V
SW 5V
8V
B.U.5V
AM: 170mV
FM: 400mV
TAPE
PACK IN
(FF/REW)
AMP. MUTE
FF/REW
B.U.5V
ILL
L CE
(X16)
A1
ANT CONT
D380
5V
R205
M
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