Sony OEP-4 Service Manual page 78

CN201
+12V
1 GND
+5V
1 2 M+12V
STEPM
3 M+12V
4 D+5V
5 STEPM
6 GND
7 GND
8 GND
10 9
C222 C224
0.1uF 0.1uF
GND
C223
0.1uF
CN202
1 GND
2 NC
2
3 RBN_OUT1
4 RBN_OUT0
5 HM_OUT1
6 HM_OUT0
7 GND
8 PM_OUT1
9 PM_OUT0
10 PM_SYNCRO
11 PM_MODE1
12 PM_MODE0
13 PM_REF
14 NC
15 HEAD_FAN
16 GND
3
17 RESET_5V
18 GND
GND
+5V
IC205 (2/2)
TC7SH04FU-TE85R
VCC
C201
0.1uF
4 GND
GND
5
A B
MEC-24G (2/2)
R228
22k
+5V
R204 R205 R206 R207 R208 R209 R210
10k 10k 10k 10k 10k 10k 10k
C221
0.1uF
IC205 (1/2)
TC7SH04FU-TE85R
2 4 8
GND
RESET
9
CW/CCW
10
CLOCK
12
REF M2
13
TP201 M1
14
MO
15
SYNC
7
REF
5
SENSEA
17
SENSEB
R220 R222 R224 R226
1 1 1 1
R221 R223 R225 R227
1 1 1 1
+12V
C205
+5V
0.1uF
R214
390
+5V
R215
47
R213
10k
Q204
Q203
2SD999-T1-CLCK
DTC124EKA-T146
GND
C
MEC-24G (2/2)
+5V
STEPM
IC207
SLA7060M-LF2104
6 16
CN203
VDD VBB 1
OUTA1 A 1
2
OUTA2 /A 2
3
OUTA1 COM 3
4
OUTA2 COM 4
20
OUTB1 /B 5
21
OUTB2 B 6
18
OUTB1
7 8
19
OUTB2
GND
11
C204 R229
33uF C208
22k
50V 0.1uF
GND
GND
C206
10uF
16V
FAN_DRV 001
GND
3-26 3-26
D E
+12V
C209
47uF
1SR154-400TE-25
+5V
16V D201
C210
0.1uF IC202
R216 R218
47k 47k
TA7267BP
1SR154-400TE-25
7
1 VCC 3
IN1 OUT1
2 5
IN2 OUT2
6
VS
GND
4
+5V D202
1SR154-400TE-25
1SR154-400TE-25
R217 GND
R219
47k
47k
+12V
GND
C211
47uF
1SR154-400TE-25
16V
D203
IC203
C212
0.1uF
TA7267BP
1SR154-400TE-25
7
1 VCC
3
IN1 OUT1
2 5
IN2
OUT2
6
VS
GND
4
D204
1SR154-400TE-25
1SR154-400TE-25
GND
GND
+12V
1SR154-400TE-25
D205
C213 C214
0.1uF IC204
47uF
16V
TA7267BP
1SR154-400TE-25
7
1 VCC 3
IN1 OUT1
2 5
IN2
OUT2
6
VS
GND
4
D206
1SR154-400TE-25
1SR154-400TE-25
GND
+12V GND
1SR154-400TE-25
D207
C216
C215
IC206
0.1uF
47uF
16V
TA7267BP
1SR154-400TE-25
7
1 VCC 3
IN1
OUT1
2 5
IN2 OUT2
6
VS
GND
4
D208
1SR154-400TE-25
1SR154-400TE-25
GND
GND
F
D209
RBN_MTR0_0 001
C217
0.022uF
RBN_MTR0_1 001
D210
D211
RBN_MTR1_0 001
C218
0.022uF
RBN_MTR1_1
001
D212
D213
CN204
POS_MTR0_0 1
POS_MTR0_1 2
C219
3 4
0.022uF
D214
D215
POS_MTR1_0
001
C220
0.022uF
POS_MTR1_1 001
D216
MEC-24G (2/2)
OEP-4
G H