HCD-DZ260/DZ270/HDZ278
HCD-DZ260/DZ270/HDZ278
42
42
6-11. SCHEMATIC DIAGRAM – MAIN Board (4/9), MS-203 Board –
• See page 58 for IC Block Diagram.
1.4
1.4
1.4
1.4
1.4
3.3
3.3
2.2
1.4
1.4
1.4
1.4
1.4
1.4<1.1>
0
3.3
3.3
3.3
0<3.3>
3.3
3.3
9.2
4.4
4.2
4.4
4.4
4.9
3.5
4.6<4.4>
4.6<4.4>
0.9<3.4>
0.9<5.4>
4.4
1.4
1.2<2.1>
1.2<2.2>
1.4<0.3>
4.9
1.4
3.3<3>
3.3<3>
2.6<1.7>
9.2
9.2
4.6
0.01
C1212
0.5%
100k
R1223
33k
R1208
220p
C1205
0.5%
56k
R1221
0.5%
15k
R1231
27k
R1219
16V
10
C1218
1.2k
R1204
0.033
C1211
0.01
C1203
1000p
C1226
12k
R1216
0.01
C1219
15k
R1214
0.5%
56k
R1226
0.01
C1213
0.01
C1210
1k
R1237
4700p
C1233
16V
10
C1220
33k
R1209
10k
R1205
10k
R1206
0
R1228
0.5%
18k
R1232
1000p
C1225
0.5%
82k
R1230
0
R1227
0.5%
100k
R1225
0.033
C1209
0.1
C1223
1k
R1236
10k
R1224
0.01
C1208
1k
R1247
47k
R1210
33k
R1222
10k
R1234
0.01
C1224
10k
R1212
6.8k
R1213
12k
R1215
4.7k
R1246
1k
R1220
220p
C1206
0.01
C1215
1000p
C1214
2.7k
R1207
JL1206
JL1205
JL1203
JL1204
JL1202
JL1201
25
26
27
28
29
30
31
32
33
34
35
36
FIN
JL1207
JL1208
JL1209
JL1210
JL1211
JL1212
JL1213
CL1213
SPFG
5V
TRO
VREFO
CKSW
FMO
D3.3V
IOP
OCSW
DMO
IOPMON
OCSW1
TROPENPWM
FCS-
D-GND
LIMITSW
FWD
FCS+
TRK+
FOO
TRK-
RF+3.3V
REG01
REG02
M+9V
M-GND
0.1
C1222
CL1201
CL1202
CL1203
CL1204
CL1205
CL1206
CL1207
CL1208
CL1209
CL1210
CL1211
CL1212
0.1
C1221
0.5%
33k
R1233
1k
R1239
1k
R1238
47
R1243
1
2
3
4
5
5P
CN1202
LDM+
LDM-
GND
CKSW1/FWD
OCSW1/REV
1
2
3
4
5
6
6P
CN1201
SP-
SP+
LIMIT
(GND)LIMIT
SL-
SL+
16V
47
C1217
1
2
3
4
5
5P
CN001
LDM+
LDM-
GND
CKSW1/FWD
OCSW1/REV
S001
M
M001
(LOADING)
FCS-
FCS-
FCS+
TRK+
TRK-
FCS+
TRK+
TRK-
SL+
SP-
SP+
SL+
SL-
SL-
SP-
SP+
MAIN BOARD (4/9)
MS-203 BOARD
CHUCK/TRAY
DETECT
)
(
+
-
LOADING/SPINDLE/SLED MOTOR DRIVER
DVD DRIVE
SPINDLE/SLED
MOTOR
(
)
8
5
13
F
C
6
4
1
B
7
A
2
9
11
10
3
E
12
D
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299