Service manual

CD-BA2010H
– 22 –
Figure 22 BLOCK DIAGRAM (2/3)
-B2
+B4
-20dB
ATT
SYSTEM
MUTE
Q605
Q606
Q603
Q604
+B4
L
R
BIAS
T1/T2
REC
MUTING
Q121
Q122
AC BIAS
R
L
JK601
VIDEO IN
L
L
R
R
R
L
R
L
AUX
TAPE
TUNER
CD
P.B
CNS601
FROM CD SECTION
CNP11
ERASE
HEAD
SWITCHING
SWITCHING
SWITCHING
BIAS
Q110
Q111
Q109
Q126
SWITCHING
BIAS
OSC
Q128
L104
Q107
Q108
REC PB HEAD
TAPE 2
PB HEAD
TAPE 1
L-CH
R-CH
L-CH
R-CH
IC601
LC75341
AUDIO PROCESSOR
H/N
P.B
+B4
R
R
L
L
REC
R
L
L NF
R NF
ALC
REC
T1/T2
T1/T2
NOR/
HIGH
REF
R REC
L REC
POP REDUCE
R NF
L NF
SWITCHING
Q103-
Q106
L(T2)
R(T2)
R(T1)
L(T1)
IC101
AN7345K
PLAYBACK AND RECORD
/PLAYBACK AMP.
11
16
3
8
4
15
10
9
7
7
1
8
17
18
4
21
12
13
1
2
3
20
19
7
18
10
8
17
13
21
4
5
2
3
4
6
9
16
12
11
15
1
14
14
23
24
P.B
REC
Q124
23
+B4
OPE AMP.
KIA4558P
IC561
IC562
IC563
VCC
Q708 +B3
+B3
M
Q704
Q705
IC701
54PIN
IC701
53PIN
IC701
55PIN
TAPE
MOTOR
SOLENOID
T2 PLAY
T1 PLAY
F. PLAY
MOTOR
DRIVER
VSSD
VDDD
XIN
XOUT
VSSA
VDDA
MPX
IN
DO
CL
DI
CE
XT21
4.332MHz
ICT21
LC72722
RDS DECORDER
X351 456kHz
FM IF CF351
+B4
+B4
+B4
+B4
QT21
AMP.
FM +B
VT
T306
T303
L341
BALUN
CF302
DO
CE
CL
DI
CF301
FE301
FM FRONT END
Q360
RL
MPX
IN
FM/AM
OUT
IF IN
IC303
LA1832
FM/AM IF MPX.
IF
OUT
SD
FM MONO/ST
MONO/ST
AM RF IN
AFC
IN
OUT
AM OSC
REG INOUT VCC
FM IF IN
FM IF
AMP
Q301
FM IF
FM
X352
4.5MHz
OSC
STEREO
IC302
LC72131
PLL (TUNER)
AM
IN
FM IN
FMOSC
T351
AM IF
GND
OSC
FM
FM IF
AM BAND
COVERAGE
VOLTAGE
REGULATOR
AM
TRACKING
AM RF
AM LOOP ANT
SO301
ANTENNA
TERMINAL
QT22
+B4
+B4
17 19 20 18 16
141211101321222324
20 22
21
13
12
1415
2021222324
15 16 11 10 13 12
67
1
3
2 4 3
4 5 6
9
7
15
8
2 6 7
3 4
5
1
1 2 3 4 5 8 9
L354
L.P.F
7 8