Kenwood CD-203 Service Manual page 8

A B
(X32- )
(F/8)
CN10
1 2 3 4 5 6 7
1
(X32-363X-XX) (A/8)
PHOTO
R.M
DIODE
+
M
CN3
-
D208
SL-SW 1
SL-SW(GND) 2
ROTARY
MOTOR FM- 3
FM+ 4
DM- 5
PHOTO
DM+ 6
INTERRUPTER
E8
1 2 3
(X32- )
WH5 (E/8)
2
E7 1 2 3
PHOTO
TRANSISTOR
PH2
MECHA. ASS'Y (CDM-25)
(X92-2100-10/X92-2100-21)
8 DOWN-SW
3
CLAMP SW
7 GND
UP/DOWN
6 UP-SW
5 CLS-SW
TRAY SW
4 GND
OPEN/CLOSE
3 OPN-SW
2 CLS-M
LOADING
(TLM)
MOTOR
OPN-M
M
1 ADJUSTMENT
(TLM)
(TEST PIN)
L.M
CN2
6 SL-SW
RF 1
SLT
SL-SW
5
(GND)
FE1 2
4 FM-
FEED
MOTOR M
3 FM+
FE2 3
2 DM-
VC 4
DISC
M
MOTOR 1 DM+
TE2 5
D.M
TE1 6
4
SS 7
PICKUP (KSM-213CCM)
CN1
16 FCS- FCS- 16
15 TRK- TRK- 15
TRACKING COIL
14 TRK+ TRK+ 14
FOCUSING COIL
13 FCS+ FCS+ 13
12 PD PD 12
LD 11 -VPD -VPD 11
10 LD LD 10
SHORT
LAND
9 GND GND 9
8 F F 8
7 C C 7
6 B B 6
F
5
5 A A 5
B C
PD 4 D D 4
A D
3 E E 3
+5V 2 VCC VCC 2
E
1/2VCC
+2.5V 1 1/2VCC 1
E11
E13
X
E12
6
7
C D
10
11
5
6
4ch POWER
IC4
DRIVE
4.7V 16
C118 5.0V 17 RESET REGULATOR
0.01
2.2V 18 11K 11K
LEVEL LEVEL
19
SHIFT 3 SHIFT 2
3.6V 20
BTL AMP BTL AMP
3.6V 21
3 2
VCC
22
GND
23
GND
+
24
-
GND
3.2V 25
BTL AMP BTL AMP
4.0V 26
4 1
27
LEVEL LEVEL
11K 11K
2.4V 28
SHIFT 4 SHIFT 1
29
2.2V
+
MUTE
30
-
+8V VCC VCC
R142
100 1W
C88 R145
+8V
0.047 10
C11
D2
1000P
2.2V
2.2V
R17
6.8K
C2
0.047
T-
R15 +
GAIN
330K
48
VC
C3 0.12
47
TDFCT
C4 47P
R16 47K
46
D1
TZC
45
ATSC
44
R3 68K TEI
43
LPF1
R2 68K
42
TEO
R1 68K
41
VEE
R4 68K 40
VR2
R5 EI
100K
47K 39
E
R6 100K 38
+B
F
2.2V
VR2 37
FE.B
TE-BALANCE
2.2V
R9 FE BIAS
FE-
CONT.
0V
BIAS 4.7K
Q1
R11
220K
R10 0.5V
1M
3.3V
Q3
1.9V
3.9V
R42
10
LD
BUFFER
+B +B
E F
CN4
1 2 3 4 5 6 7 8
18
IC8
TRAY-M
DRIVE
IC9
ROTARY-M
DRIVE
15 6.9V
4.8V
14
+5V +5V +5V
13 2.2V R140
12 5.6K
C119 5V AVR
11 3.7V
11 100u10
10 3.6V
+
10
Q10
9
8
C81
100u16
7
+8V
+
6 3.4V
6
5 4.0V
5
4 2.2V
3
R21
2 22K
2.1V
1
8.1V
+8V
+
+8V
C66
0.01
C36 100u10
0.01
R32 510K
+
R28 R29
C14
82K 1M
+B
0.01
R33
82K
+
C15
2.4V
150P
C37
2.2V
100u
13
TAO
2.4V R37 150K
2.2V 0V
14 2.2V
SL+
2.2V
C18 0.01
15 2.2V
SL-
0.8V
16 2.4V
SLO
17 R38
1.2V
ISET
IC1
18 4.4V 240K
C84
VCC +B
RF/SERVO 19
4.4V
0.01
CLX 59
(BOTTOM VIEW) 20
4.4V
XLT 57
21
4.4V
DATA 56
22
1.0V 4.7V
XRST
1.1V
23 C19
0V
1.9V
C.OUT 55
2.0V 24 4.4V 0.01
SENS 54
2.2V
0V
3.2V 2.2V
4.4V
R39
3.9K
4.8V
D5
FE BIAS
2.3V
CONT.
Q12
2.2V
Q2
0V
Q2
LD
+ ON/OFF
+B
G H
CN5
1 2 3 4 5 6 7
IC8 IC9
0V 0V
0V 0V 0V
0V
4.8V
2.0V
11.3V
11.3V
+11V
+5V
4.8V
24
+5V
+8V
+11V
C74
4.8V
+
D6
C28
0.033
R43
4.7K
C33 0.12
C32 3300P
10
+B +B
4.4V
20
2.2V
LRCK
64
XLON
63 2.2V
21
SPOD
PCMD
62
SPOC
61 22
2.0V
SPOB BCK
60 23
SPOA GTOP
59 24
4.4V
IC2
( 59 ) CLKO XUGF
4.5V 58 25
+B VDD DSP XFCK
4.5V
57 26
4.4V
( 57 ) XLTO (BOTTOM VIEW) VDD
56 27
4.4V 4.4V
( 56 ) DATA GFS
55 28
0V
( 55 ) CNIN RFCK
54 29
4.4V
( 54 ) SEIN C2PO
53 30
4.8V
( 51 ) CLOK XROF
52 31
4.6V
( 55 ) XLAT MNT3
32
MNT1
R55
100K
+B
I J
D18
+B
W97
+B
+ C42 W104
330u
6.3
C46
+
100u10
C96
0.1 +
(BOTTOM VIEW)
R200
470
+5V
DIGITAL
+8V
+11V
-28V
4.8V
+5V +5V
-24.8V -24.8V
Q5 Q4
FL
DRIVE
-24.8V 80
( 80 ) 8G
R52
-24.8V 79
470
9G
20
78
-25.0V
( 78 ) 10G
R53
77
470 -27.5V
( 77 ) Sa
76
-24.4V
R54 ( 76 ) Sb
470 75
-24.4V
22 ( 75 ) Sc
74
-24.4V
( 74 ) Sd
73
-24.6V
( 73 ) Se
72
-21.6V
( 72 ) Sf
-27.7V 71
+B -28V VLOAD
70
-18.8V
( 70 ) Sg
69
-15.6V
( 69 ) Sh
68
-21.6V
( 68 ) Si
67
-15.6V
( 67 ) Sj
66
-15.6V
( 66 ) Sk
65
-7.0V
( 65 ) Sl
C34
1000P