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HBD-DZ340/DZ340K/DZ640K/DZ740
5-11. SCHEMATIC DIAGRAM – MAIN Section (4/9) –
1
2
A
MS-203 BOARD
CN001
5P
OCSW1/REV
S001
1
(
CHUCK/TRAY
CKSW1/FWD
2
DETECT
GND
3
LDM-
B
4
LDM+
5
M
M001
(LOADING)
C
REG01
FCS+
MAIN
1
FCS-
BOARD
(1/9)
TRK-
(Page 31)
TRK+
CN1501
6P
D
SL+
6
DVD DRIVE
SL-
5
CL1501
(2/2)
(GND)LIMIT
4
CL1502
LIMIT
3
(
)
SPINDLE/SLED
SP+
2
MOTOR
SP-
1
E
CN1502
R1544
5P
10
LDM+
1
LDM-
2
GND
3
CL1503
CKSW1/FWD
4
CL1504
OCSW1/REV
5
F
MAIN
8
OCSW1
BOARD
(5/9)
(Page 35)
CL1505
OCSW
CL1506
MAIN
3
CKSW
BOARD
FWD
(2/9)
(Page 32)
REV
HBD-DZ340/DZ340K/DZ640K/DZ740
• See page 50 for IC Block Diagram.
3
4
MAIN BOARD
(4/9)
)
C1520
470
16V
C1507
C1509
10
50V
CL1507
C1508
C1510
0.1
CL1508
CL1509
CL1510
CL1511
CL1512
C1503
0.1
CL1513
CL1514
C1504
0.1
CL1515
CL1516
C1505
0.1
CL1517
R1504
CL1548
4.7k
C1511
0.1
R1501
R1512
1k
47k
0.5%
C1506
0.022
R1502
1kX4
5
6
7
C1514
C1513
10
0.1
0.1
41
50V
1 SGND
SGND
40
CL1521
5
3.5
2 REG5
REGVAR
39
10.3
4.9
3 PREVCC
38
REGVARVCC
10.3
3.3
CL1522
R1543
10k
4 PVCC1
37
0.1
REGCTL
CL1523
3.3
5 PGND
REGRST
36
5.2<4.9>
3.1
CL1524
6 VO1+
TSDM
35
5.2<5>
3.3
CL1525
7 VO1-
34
MUTE4
CL1526
R1527
10k
5.2<4.9>
4.6
8 VO2+
MUTE123
33
5.2<5>
9 VO2-
SGND
32
4.8<4.8>
10 VO3+
31
SGND
4.8
2.6<1.8>
CL1527
11 VO3-
OPOUT
30
CL1528
4.8<5.5>
3.3<3>
12 VO4+
OPIN-
29
4.8<3.7>
3.3<3>
CL1529
13 VO4-
OPIN+
28
4.8<4.6>
1.4<0.4>
CL1530
R1526
15k
CL1539
14 VO5+
27
VSPDL
CL1531
4.8<4.6>
1.4
15 VO5-
VCI
26
1.4
CL1532
16 PGND
VCO
25
10.3
1.4
CL1533
17 PVCC2
24
IN1
CL1518
CL1534
0
1.4
18 VCTL
IN2
23
CL1519
CL1535
3.3
1.4
19 FWD
IN3
22
CL1520
3.3
1.4<1.6>
CL1536
20 RVS
21
IN4
R1517
C1516
330
IC1501
IC B/D
1000p
IC1501
BD8203EFV-E2
FOCUS/TRACKING DRIVER,
R1513
LOADING/SPINDLE/SLED MOTOR DRIVER
22k
0.5%
34
34
Note: When IC1501 on the Main board is damaged, exchange the
new Main board for the Main board which IC damaged.
8
9
CL1543
CL1541
4
5
IC1502
C1532
+5V REG
1
CL1540
C1531
1
3
2
1
R1505
1k
CL1538
CL1542
CL1546
CL1547
C1512
0.1
R1525
15k
0.5%
R1519
R1518
18k
33k
0.5%
0.5%
R1532
10k
R1529
0
R1539
4.7k
R1540
6.8k
R1541
4.7k
R1542
6.8k
C1518
C1524
C1525
C1522
C1523
0.068
0.033
0.1
1200p
1000p
R1521
R1536
R1535
R1537
R1538
82k
4.7k
4.7k
1.8k
4.7k
0.5%
0.5%
0.5%
0.5%
0.5%
CL1537
10
11
VREFO
RF+3.3V
MAIN
5
BOARD
D3.3V
(1/9)
(Page 31)
UN6V
D-GND
MAIN
M9V
7
BOARD
(5/9)
(Page 35)
DIRTY-GND
MAIN
REG02
4
BOARD
IOP
(1/9)
(Page 31)
REGRST
MAIN
6
BOARD
TSD_M
(2/9)
MOTOR_MUTE
(Page 32)
IOPMON
SPFG
0.5%
FOO
0.5%
TRO
0.5%
FMO
0.5%
DMO
MAIN
2
BOARD
(2/9)
(Page 32)
TROPENPWM
LIMITSW
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