CD-K477W
– 20 –
Figure 20 BLOCK DIAGRAM (2/3)
Q365
QG04
QL19
SO301
ANTENNA
TERMINAL
FM
GND
SW1
SW2
MW
B.P.F
BFT01
6
9
ICT01
TA7358AP
FM FRONT END
1
5
8
FM
OSC
LT01
3
FM
RF
LT02
7
QT01
AMP
T302
MW ANT.
T306
MW OSC.
SW1/SW2
ANT.
T303
T304
T307
T308
Q306
Q307
Q308
Q309
SW1 +B
5
PB HEAD
L-CH
R-CH
REC/PB
HEAD
L-CH
R-CH
P.B
AC BIAS
P.B
REC
TAPE 2
TAPE 1
L NF
L(T1)
R(T1)
L(T2)
R(T2)
R NF
L
R
POP REDUCE
L REC
R REC
L
R
REF
+B7
H/N
T1/T2
P.B.
REC
NOR/
HIGH
T1/T2
1
24
23
16
14
13
12
15
19
11
10
17
18
20
21
2
3
4
6
9
4
7
8
ERASE
HEAD
BIAS OSC.
T1/T2
HI SPEED
SWITCHING
QK28
LK04
QK03 QK05
QK04 QK06
QK17,QK18
QK09
QK07
QK08
ICK01
AN7345K
PLAYBACKuRECORD AMP
QK19
SOLENOID
DRIVER
SOLM1
SOLENOID
T1/T2 CrO 2
T1/T2 PLAY
QL15
QL19
FROM CD UNIT
F.A.S.
SWM5
SWM6
CAM SW
SWM3
REC FWD
SWM4
REC RVS
+B6
HI SPEED
TAPE MOTOR
T2 CrO2
M
+B6
MOTOR
DRIVER
QL14
QL18
QL12
VRM1
TAPE SPEED
QL11
QL13
SWITCHING
TA2F/R SPEED
SWITCHING
DRIVER
DRIVER
QL17
MM1
TAPE MOTOR
1
33
31
10
25
28
29
27
26
18
19
34
6
5
VR602
MIC2 VOL
VR601
MIC1 VOL
VR603
DIGITL
ECHO
IC601
M65845FP
MIC AMP.
L
R
L
R
8
4
5
3
7
1
+B7
L
JR11
AUX-1/
VCR-1
JR12
AUX-2/
VCR-2
ICS03
NJM4565M
PRO LOGIC
AMP
+B7
CAM SW
PHM1
T2_RUN
T2_A_FP
BAIS
BAIS
SWITCHING
SWITCHING
HI SPEED
QK26
QK24
QK27
QK25
REC
MUTING
QK21
QK22
T2 CrO2
QK30
QK29
QK40
QD01
QD02
PB MUTE
MUTING
QK15
QK16
L NF
R NF
QK13
QK14
QG05
REC
IC
LV
DO
PRO
DEC
VDD
45
23 24
46
33
+B7
VCC
IN
OUT
L
R
IN
L
R
L
R
OUT
R
OUT
L
QU01
QU02
CD MUTE
IN
FM +B
+B7
Q360
SW2 +B
Q362
+B7
MW +B
+B7
Q363
+B7
Q364
FM IF
TT01
FM IF
CF302
GND
AM IF
T351
CF352
FM IN
AM
IN
+B7
STEREO
OSC
X352
4.5MHz
FM IF IN
+B7
VCC
OUT
AM
VR351
FM MUTE LEVEL
MONO/ST
FM MONO/ST
IF
OUT
IF IN
+B7
+5V
VOLTAGE
REGURATER
DI
CL
CE
DO
IC302
LC72131
PLL CONTROLLER
IC303
LA1832 FM/AM IF+MPX
X351
CF351
AM IN
5
1 2
3
4
8 9 17 18 16
15
14
12
10
13
21
22
23
24
7
1
8
3
4
5
6
7
20
22
15
13
16
11
10
12
17
21
IN
AFC
AM RF IN
9
Q364
6
SD
Q353
Q354
MUTING
L
FM
R
L 56
54
52
58
53
57
50
60
51
59
27
21
49 62
22
26
45
42
39
36
10 46
43
40
37
11 47
44
41
38
12
48 63
56
34
14
L
R
L
R
L
R
L
AUX2
AUX1
TAPE
TUNER
CD
GRAPHIC EQUALIZER
R
L
2
5
8
R
L
1
4
7
R
L
3
6
9
L
LVref
RVref
R
L
OUT
Vref
FMOSC
T2_A-FP
TA_SPEED(M)
TA_BAIS
BEET CUT
TA R/P
TA_PB-EQ
HIGH SPEED
TAPE MOTOR
TAPE SOLENOID
CAM_SW
T2_CrO2
T1_CrO2
T2_B-FP
T2_RUN
T1_RUN
SPE1~5
2
1
–B6
4
7
6
8
ICH11(1/2)
BUFFER AMP.
NJM4558M
ICH11(/2)
SPE IN
Q631
MIC1
MIC2
GND
VOLUME
+B7
VOLTAGE
REGULATOR
MIC
ICU
LC753
AUDIO PRO
OUT
IN
REC-IN
P.B
OUT
TUNER MU
TUNE
PB-EQ
SW1/SW2
OSC.
OSC
REG
IN
L
R
R
QK11
QK10
REC/PB
VOICE CA
TA_T1/T2
4
PB MUT
REC_MUTE
R
R
R
Vss