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CD-MPX880H
4 – 1
CHAPTER 4. DIAGRAMS
[1] Main Block Diagrams
Figure 4-1: MAIN BLOCK DIAGRAM (1/2)
IC101
AN7345K
PLAYBACK AND RECORD/
PLAYBACK AMP.
-VF
VF1
R
L
R
L
CNS603
JKA701 (AUDIO IN)
CNP603
-20dB
ATT
ATT
Q101~
Q104
Q107
Q108
Q108
Q607
REC/PLAY
CLK
CE
DI
+B4
L
R
BIAS
T1/T2
MUTING
P.B.
REC.
AC BIAS
L
L
R
R
R
L
TAPE
TUNER
CD
P.B.
CNP2
FROM CD SECTION
HEAD
ERASE
SWITCHING
SWITCHING
SWITCHING
BIAS
Q113
Q114
Q112
Q110
LED
DRIVER
Q702
Q709~
Q712
Q712
Q703~
Q708
Q708
SWITCHING
Q109
BIAS
OSC
OSC
Q111
L103
L103
Q105
Q106
Q106
REC./P.B.
HEAD
TAPE 2
P.B. HEAD
TAPE 1
R-CH
L-CH
R-CH
L-CH
IC601
LC75341
AUDIO PROCESSOR
+B4
R
L
REC.
R
L
ALC
R REC.
L REC.
POP REDUCE
SWITCHING
L(T2)
R(T2)
R(T2)
R(T1)
L(T1)
21
4
24
2
1
18
11
16
3
15
10
9
7
23
14
12
13
12
13
19
7
18
10
43
5
56
13
21
4
2
24
23
6
9
16
12
11
15
1
H/N
P.B.
REC
T1/T2
T1/T2
NOR/
HIGH
HIGH
+B4
+B4
+B4
SYSTEM
MUTE
TAPE
MECHANISM
ASS'Y
MOTOR
DRIVER
DRIVER
SOLENOID
DRIVER
+B3
+B3
LED701
JOG701
VOLUME
IC701
IXA180AW
SYSTEM
MICROCOMPUTER
(2/2)
+B8
UN
SW
SW
BI601
CNS601
1
3
4
1
3
2
TUNER
PACK
UNIT
RTUNSA016AWZZ
PACK
UNIT
RTUNSA016AWZZ
1
2
3
4
5
6
7
8
9
10
11
+B4
NO USE
CNP303
CE
DI
CL
DO
CHASIS_GND
L_CH
+9V
R_CH
TUN_SM
FM_DET
CHASIS_GND
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