Kenwood RXD-M33 Service Manual page 18

A B
Q Q
IC1 : CXD2662R Q1
3 7 6 3 1 5 1 5 0
IC2 : CXA2523AR or Q2,9
CXA2523AR Q3
IC3 : HD6432227N14FA Q4,11
1
IC4 : BA5984FP Q5,6
IC5 : LC32S4400T-10 Q7
IC6 : RC1117ST Q8,10
IC7 : S-24C02BFJ-TB or
BR24C02F D1,2
IC8 : BD7910FV D3,4
IC10 : AK4550VT D5,6
IC11 : C6006AZ
DIGITAL LINE
SIGNAL LINE
GND LINE
+B B LINE
B B LINE
2
CN3
TRK- 21 12
TRK+ 20 11
FCS- 19 13
FCS+ 18 14
K 17 R89
4.7K
PD 16
VR 15
MOD 14
ILCC 13 Q3
LD-GND 12
3
OPTICAL
+ L4
PICKUP
VCC 11 +B
BLOCK
(KMS-260B)
J 10
B 9 5
A 8 4
3
W4 W3
VC 7 3
3
I 6
F 5 9
T E
L 9 1 3 9 4 2 2 9 6 5 1 3
C 4 6
D 3 7
E 2 8
4
VEE 1 8
+B
R88
Q11
470K
0.2V
Q11
3.3V
W2
5 +B
Q1
4
5
+
6
LD
CHANGE
w w w
-OVER
HEAD1
to HEAD
HEAD2
7
C D
(X33-1260-00) (A/2)
: UMW1N
SPDL+
17
: 2SA1576A(R,S)
SPDL-
M
: 2SB798-DL
18
SLED+
: DTA144EUA
15
: DTC114YUA
SLED-
M
16
: DTA124EUA
LOAD M+
10
: DTC124EUA
D5
IC5
: FS1J6TP
D6
LOAD M- 11
M
: MA111 9 31 A4
12
: S1B
33 A5
1
13
TE2 1
36 A6
2
14
TE1 2
38 A7
3
15
FE1 3
40 A8
4
16
4
FE2 43 XOE
5
17
RF 5
44 XCA
ADJUSTMENT
6
18
TP1 6
51 DO3
7
19
TP2 7
50 DO2
8
20
F 9
GND
9
E 8
10
VC 3
4M DRAM
SHOCK PROOF
1.8V
1.1V
C73
1
C56
1
2.1V 1
I
36 0.3V
2.1V 2
BOTM
J
1.4V
35
ABCD
1.8V 3
VC
3
1.7V 4
34 1.7V
4 A
FE
1.7V 5
IC2
33 2.0V
5 B
AUX
1.7V 6
RF AMP
6 C 32 0.1V
ADFG
1.7V 7
31 2.6V
7 D
ADAGC
1.7V 8
8 E 30 1.7V
ADIN
3.3V
1.7V 9
29 C67 4700P
9 F
1.8V ADFM
0.2V 10 R78 100
28
PD 2.7V
1.7V SE
11
27 C68 0.068
11 APC
CSLED
26 1.7V
R85 0.2V TE
0.4V
2.2K 12 25 0.4V
12 APCREF WELAD
R75
100K
C55
1000P
3.5V
+B +B
3.4V LD
APC
ON/OFF
Q2
L3 L2
3.3V
3.5V
Q4
3
2
2.7V
1
R94
680
Q3
R95
4.7K
3.0V
Q5 Q6
3.3V
0V
+3.5V
x a o
. i
E F
10 3.3V
VCC +B +B
9
A3 32
8
A2 34
7
A1 37
6
A0 39
5
A9 45
4
XRS 46
3
XWE 47
2
DO1 48
1
DO0 49
51
51
52
C7 R14
1.7V 53
0.47 100K
1.7V 54
3.5V 55
+B
COMP
0.4V 56
R16 C9 1.8V
57
100 4700P
58
EFM/ACIRC
ENCODER/DECODER
R17 1K R18 59 1.6V
C11 0.47 3.3K
60 1.6V
63
R19 1K 2.0V 61
68
2.0V 62
1.1V 63
63
64 0.3V 64
64
65 1.4V 65
ADIP DECODER
65
1.7V 66
66
2.0V 67
67
R82 1.8V 68
68
100
69
66
SERVO
67 3.5V 70
DSP
+B
71
Q Q
C66 1
3 7
72
AUTO
73
SEQUENCER
1.7V 74
74 74
1.7V 75
75
R80 R79
75
100 560
IC1
ACIRIC
ATRAC
EN/DECODER
R70
3.3
+3.5V
3
R93
4.7K
+3.5V
u 1 6 3
y
G H
8 9 2 4 9
+B
0.8V
25 0.9V
R8 10K
24
23 R9 10K
R10 10K
22
21
0V R25 100
20
19 R26 100
18
17
CLOCK
GENERATOR
16 1.5V
15 0V
14 3.2V
13 0V
12 3.3V
SUBCODE
11 3.3V
PROCESSOR
10 3.3V
9 3.2V
8
7 3.2V
6 3.1V
5 3.2V
6 3 1 5 1 5 0 8 9
3.3V
4
3 3.3V
PWM SPINDLE
2 0V
GENERATOR
SERVO
1 3.3V
0V
+B +B +B
DIGITAL
REC
+3.5V +3.5V
5.0V
+5V +5V
IC8
HEAD
DRIVER
C40
4.7
R43
18K
m
+3.5V +3.5V
C43 C42
c o
470P 470P
.
I J
8 2 9 9
+B +B
15
16
17
18
16
96
92
97
R120
100K
78
93
R119
81
100K
94
98
87
84
82
R114
100K
85
91
R115
83
92
100K
2 4 9 8 2 9 9
88
89
91
90
R12
3.3
W5
IC11
X1
90.3168MHz
IC11
CLOCK
GENERATER
+3.5V
+5V