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CD-C405W/CD-C420H/CP-C410/CP-C405/CP-SR421
420H ONLY
SO301
ANTENNA
FM FRONT END
8
TERMINAL
420H: S0003AW
405W: S0005AW
2
6
FM
FM/AM
ANTENNA
TERMINAL
AM
420H ONLY
405W ONLY
AM LOOP
ANTENNA
420H ONLY
L311
BALUN
AM
TRACKING
AM AMT.
FROM CD SECTION
TAPE 1
PB HEAD
L-CH
R-CH
TAPE 2
REC/PB
REC
HEAD
P.B
L-CH
R-CH
AC BIAS
ERASE
HEAD
CD-C405W
BLOCKMAIN
All manuals and user guides at all-guides.com
420H ONLY
FM IF
FE301
1
CF301
5
3
4
7
VCC
AM BAND
COVERAGE
T302
PLAYBACK&RECORD/
PLAYBACK AMP.
IC101
AN7345K
L (T1)
1
13
P. B.
R (T1)
SWITCHING
24
L
4
L
Q103
L (T2)
2
R
21
R
R (T2)
23
Q106
L NF
3
5
4
R NF
20
H/N
L
POP REDUCE
6
T1/T2
7
REC
18
L REC
9
R
R REC
16
8
L NF
17
R NF
ALC
REF
14
10
T1/T2
12
19
SWITCHING
SWITCHING
Q107
Q111
Q108
Q109
Q110
SWITCHING
BIAS
SWITCHING
OCS
Q128
L104
Figure 14 BLOCK DIAGRAM (2/3)
CF302
Q301
FM IF IN
VR351
FM MUTE LEVEL
FM OSC
VT
SWITCHING
Q360
+B4
Q121
Q122
MUTING
+B4
P. B
REC
BIAS
Q124
Q126
– 14 –
+B4
420H ONLY
+B6
AM IF
L354
T351
1
2
3
4
5
8
9
18
17
16
FM
MIX
REG
OUT
DET
IC303
LA1832
FM/AM IF
AFC
7
6
24
23
22
21
10
VOLTAGE
REGURATER
+B4
X352
4.5MHz
1
3 4 5
20
12
22
15
16
11
6
OSC
IC302
LC72131
PLL CONTROLLER
7
10
FM
Q361
REC
T1/T2
BIAS
MONO/
13
L-CH
14
15
R-CH
12
MUTIN
+B6
13
17
21
ST
FM
SO
VIDEO/AUX
TAPE
TUN
CD
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