Kenwood RD-M52MD Service Manual page 15

A B
MD MECHANISM
(D40-1675-05) : MDM-06 (X33-1190-XX)
(X29-2650-00) (A/2)
1
CN1
R4
22K
HEAD PO 11 PLAY POSI
R2
S4
33K R3
DISC ID 10
33K
S5
LOAD SW 9 REC POSI
SLT SW 8
M
LOAD M 7
LOAD M 6
LOADING
MOTOR
TE2
SPINDL 5
TE1
M
SPINDL 4 FE1
FE2
GND 3
DISC
RF
MOTOR
ADJUSTMENT
2
TP1
SLED 2
TP2
M
SLED 1
F
E
SLED
MOTOR
VC
CN2
(X29-) (B/2)
TRK- 21
TRK+ 20
DISC
ID
FCS- 19
S3
FCS+ 18
R1 K 17
PROTECT
PD 16
82K
VR 15
REFLECTION
S2
3
MOD 14
LOAD
S1
ILCC 13
SLT
LD-GND 12
VCC 11
IC1 : CXA2523AR J 10
IC2 : CXD2654R
IC3 : HD74UH08 OPTICAL B 9
PICKUP
IC4 : TA8406F A 8
BLOCK
IC5 : BD7911FV
(KMS-260B)
IC6 : BR24C02F or
VC 7
S-24C02BFJ-TB
IC7 : HM51W4400BTT-7 or
LC32S4400T-10 or I 6
MN41V4400TT-08
F 5
IC8 : BH6511FS
4 IC10 : L88M33T
C 4
IC12 : AK4522-VF
D 3
IC24 : HD6432227N06FA
IC30 : TA8409F E 2
VEE 1
Q1 : FMW1
Q2,3 : DTA144EUA
Q4,5 : DTC114YUA
Q6,8,23 : 2SA1576A(R,S)
Q7 : 2SB798-DL
Q9 : DTA124EUA
Q10-13 : DTC124EUA
D1,2 : F1J6TP
D101 : MA111
RD-M72MD (X33-1190-01)
DESTINATION UNIT
A W8 L2
5 COUNTRY ABB. No.
U.K. T
EUROPE E 0-01 NO YES YES
KOREA H
RD-M52MD-L/S (X33-1190-02)
DESTINATION UNIT
A W8 L2
COUNTRY ABB. No.
U.K. T,T2
EUROPE E 0-02 YES NO NO
KOREA H
DIGITAL LINE
SIGNAL LINE
GND LINE
+B B LINE
B B LINE
6
1
2
3
4
OVER
WRITE CN4
HEAD
UPC2905HF
7
C D
1
1
2
2
3
IC30
3
4
INPUT OUTPUT
4
5
10 IN1 1 IN2 8 OUT1
5
6
L L
6
7
H L H
7
R108 1K
8 L H L
9
R109 1K
9 H H L
8
10
3
10
12
23
21
L6
L5
Q7
+
1.8V 1
+B I
1.8V
2
J
1.7V 3
VC
5 3
1.6V 4
4 4 A
1.4V 5
3 5 B
1.4V
6
3 6 C
C200 1.6V 7
7 D
10
1.6V 8
8 E
1.6V 9
9 9 F
R106 0.3V 10
9 PD
3.3M 2.5V 11
6 11 APC
7
R163
0.3V
2.2K 0.3V 12
8
12 APCREF
Q2
8
3.3V
Q2
3.1V
C106
1000P
+
+
3.3V
+B +B
3.2V 3.3V
APC
Q6
L8 L7
Q1
2.5V
3
2
4 2.8V
+
1
5 2.5V
2.7V
Q4 Q5
LD
CHANGE 3.1V
0V
-OVER
2.9V
+3.3V
L88M33T BD7911FV
E F
0.4V 11 10 3.2V
36 A4 VCC +B
0.4V 12 9 2.9V
37 A5 A3 31
0.4V 13 8 2.9V
38 A6 A2 32
0.4V 14 7 2.9V
39 A7 A1 33
3.1V 15 6 3.0V
40 A8 A0 34
3.1V 16 5 0.5V
43 XOE A9 45
MODE 3.0V 17 4 2.9V
44 XCA XRS 46
3 OUT2 MOTOR 1.4V 18 3 3.0V
51 DO3 XWE 47
1.4V 19 2 1.6V
STOP
50 DO2 DO1 48
L CW/CCW 20 1 1.6V
GND DO0 49
H CCW/CW
L BRAKE
IC7
4M DRAM
SHOCK PROOF C128
0.01
C129
0.47
RF
DIGITAL
R137
100
R136 1K
1.6V
C132 0.47
R134 1K
63
68
63
64
36 1.4V
BOTM 64 65
35 1.6V
APCD 65 66
R146 R150
34 1.4V 100 220 67
FE 66
33 1.9V 68
AUX 67
32 1.6V
ADFG
1.2V C113 1
31
IC1 ADAGC
30 1.6V
RF AMP 1.7V ADIN
C112 4700P
29
1.6V ADFM
R147 100
28
SE 74
27 1.7V C111 0.068
CSLED R148 R141
74
26 1.6V 100 560
TE 75
75
25 0.4V
0.4V WELAD
3.3V
R159
100K
+B
R139
+
1
+B +3.3V
LD
ON/OFF
3.1V
3.2V
R162 R161
3.3V
2.2K 2.2K
0.2V
Q3
IC3
3.3V
R164
680
1.8V
R167
Q7 2.6V
4.7K
0.2V
+3.3V
CXA1821M
G H
+B +B
L11
R18 3.3
+B +B
1.4V
1.4V 51
51
52
R131 53 1.6V
10K
1.6V 54
55
+B
COMP
3.2V
56 0.3V
C133 1.6V
57 CLOCK
GENERATOR
4700P 58
EFM/ACIRC
ENCODER/DECODER
R135
59 1.5V
3.3K
60 1.5V
1.6V 61
1.6V 62
1.6V 63
SUBCODE
1.4V 64 PROCESSOR
1.6V 65
ADIP DECODER
1.4V 66
1.9V
67
1.7V 68
3.2V
69
SERVO
70 DSP
+B
71
72
AUTO
73 SEQUENCER
PWM SPINDLE
GENERATOR SERVO
1.7V 74
1.7V 75
IC2
ACIRIC
ATPAC
ENDECODER
3.2V
+B +B +3.3V
3.2V
+3.3V +3.3V
+5V
IC5
5.1V
HEAD
DRIVER
REC: MAX4.5V
+3.3V +3.3V
C185
1000P
I J
CN3
11 10 9 8 7 6 5 4 3 2 1
10
12
+B +B
25 1.2V
24 0V R7 10K
R6 10K
23 0V
R5 10K
22 0V
21
20 3.3V R9 100
R8 100
19 3.3V
W6
18
L50
C46 0.1
2.2uH
17 1.0V C12
2P
X1 1024fs
16 1.4V C13
2P
15 0V
96
14 3.1V
92
13 0V
97
12 3.2V
78
11 3.1V
81
10 3.2V
98
9 3.1V
87
1.2V
8
84
7 3.1V
82
6 3.0V
85
5 3.1V
83
4 3.2V
88
3 3.2V
89
0V
2
91
1 3.2V
90
+3.3V +3.3V
EFM
OUT
+5V
C181
100u6.3
C182
0.1
5.1V
+5V
REC: MAX1.5V
+3.3V
+5V