– 19 –
CD-C622/C2900
Figure 19 BLOCK DIAGRAM (3/3)
Q704
3
15
9
10
11
R351
VCO ADJ
L
R
Q343
+B4
AGE
ATER
SWM3
PROOF
SWM4
F.A.S
SOLM1
ENOID
SWM5
CAM
1 2 3 4
15
25
16
26
28
37 38 39
FL701
DISPLAY
9 8 7 6 5 4 3 2 1
IC701
IX0280AW
SYSTEM CONTROL
MICROCOMPUTER
P
ESSOR
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
UTING
Q121
Q122
–B4
AM
TCHING
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
CO
FM/AM
~
~
~
14
10
15
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
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
71
70
69
68
67
66
65
64
63
62
61
80
79
78
77
76
75
74
73
72
60
59
58
57
56
55
54
53
52
51
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
Summary of Contents for CD-C2900
Page 71: ...CD C622 C2900 71 16 M E M O ...