Service manual

– 19 –
CD-C622/C2900
Figure 19 BLOCK DIAGRAM (3/3)
Q704
3
15
9
10
11
R
351
V
CO ADJ
L
R
Q343
+B4
A
GE
A
TER
SWM3
P
ROOF
SWM4
F.A.S
S
OLM1
E
NOID
SWM5
CAM
1 2 3
4
15 2516
26
28
37 38 39
FL701
DISPLAY
9
8
7
6
5
4 3 2 1
IC701
IX0280AW
SYSTEM CONTROL
MICROCOMPUTER
P
E
SSOR
L
R
VDD
UNSWITCH
+B7
MEMORY
BACK UP
VDD
XL701
4.19MHz
+B5
+B7
KEY
SW701
~SW730
Q908
+B5
M
Q960
+B1
RL901
622
ONLY
TO CD
SECTION
M901
FAN MOTOR
JK970
HEADPHONES
SO901
SPEAKER
TERMINAL
T.F
T801
POWER
TRONSFORMER
RL801
AC POWER
SUPPLY CORD
AC 120V, 60Hz
T802
POWER
TRONSFORMER
Q803
Q802
+B6
+B7
UNSWITCH
3
IC704
1
2
BAIS
T1/T2
REC
U
TING
Q
121
Q
122
–B4
A
M
T
CHING
D801
D803~D806
Q801
D807
~D809
2
3
1
+B7
RX701
Q705
Q706
Q707
2
1
3
6
7
L-OUT
IC901
STK40704
POWER AMP.
–B
+B
R-OUT
13
8
Q601
Q602
ZD801
Q603
Q604
+B1
+B4
+B5
+B2
+7.3V
+12V(ANALOG)
+12V(MOTOR)
+5.6V
+5V
Q821
Q822
Q824
Q823
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
Q702
Q703
AVDD
MO/ST
C
O
FM/AM
~~~
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10
15
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25
2627
282930
31
32
33
34
35
36
37
38
39
40
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42
43
44
45
46
47
48
49
50
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
7170696867666564636261 80797877
767574
737260595857
56
5554
535251
MONO/ST
VDD
PHM1
N
D810~D813
FRONT
FRONT
SPEAKER
REAR
SPEAKER
F802
4A/125V
F803
4A/125V
F805
2A/250V
29
36
~
M
MM1
TAPE MOTOR
+B7
+B7