HCD-GPX33/GPX55/GPX77/GPX88
HCD-GPX33/GPX55/GPX77/GPX88
32
32
6-9. SCHEMATIC DIAGRAM - MB Board (3/9) -
• See page 46 for IC Block Diagrams.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
MB BOARD (3/9)
1.4
1.4
1.4
1.4
1.4
3.1
0
3.3
3.3
0
3.1
1.4
0
0.9
5.2
5.2
0
0
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
0
1
2
3
4
5
6
14
13
12
11
10
9
8
7
6
5
4
3
2
1
29
15
16
17
18
19
20
21
22
23
24
25
26
27
28
30
JL836
JL835
JL833
JL832
JL831
FE_TRO
FE_VREFO
FE_FMO
FE_3.3V
FE_DMO
FWD
REV
FE_FOO
FE_MUTE
SL851
SL872
SL873
SL854
SL831
SL832
Q891
2SA2119K
Q881
AUTO POWER
CTRL
AUTO POWER
CTRL
2SA2119K
CL840
SL835
SL836
GND
GND
FE_OP-
FE_OPO
FE_LIMIT
VCTL
FE_3.3V_1
0
FB846
FE_3.3V
CL874
FE_CD_LDD
FE_DVD_LDD
JL834
CL852
CL853
CL855
CL875
CL871
CL870
CL856
CL857
FE_LD_DVD
FE_LD_CD
FE_TRK-
FE_FCS-
15
R889
10k
R880
15
R888
15
R887
15
R897
15
R898
15
R899
100
R881
100
R891
47k
R884
47k
R894
10k
R850
R838
10k
R840
10k
0
R856
0
R853
CL891
CL892
C850
100
10V
C870
100 10V
27k
R851
27k
R876
10k
R854
15k
R873
C880
100
10V
C890
100
10V
FE_DVD_IOP
D837
RB520S-30FJTE61
D839
RB520S-30FJTE61
CN831
6P
SP-
SP+
NC(GND)
NC(LIMIT)
SL-
SL+
CL845
C876
330p
C873
0.1
C851
330p
C854
0.015
1
R837
C881
0.01
C891
0.01
C871
0.1
C858
0.1
C869
0.1
C837
0.1
C839
0.1
R878
10k
C877
0.1
C834
0.1
C833
0.1
100k
R882
100k
R892
IC851
AM5890S
VINFC
TRB_1
REGO2
VINSL+
REGO1
FWD
REV
Vcc1
VOTR-
VOTR+
VOSL+
VOSL-
VOFC-
VOFC+
VOTK+
VOTK-
VOLD+
VOLD-
Vcc2
VCCD
VCTL
GND
VINLD
RESET
TRB_2
VINTK
BIAS
MUTE
PGND
PGND
FE_LOAD-
FE_FCS-
FE_SPDL-
FE_SLED_IN
FE_TRK_IN
FE_TRK_IN
FE_FCS_IN
FE_SPDL_IN
IC B/D
5CH SYSTEM
MOTOR DRIVER
IC851
SL880
SL890
JL681
LOAD_END_SW
JL685
JL682
JL684
JL683
UNLOAD_END_SW
CN681
5P
1
2
3
4
5
DVDD3.3V
1k
R685
1k
R683
1k
R693
1k
R695
C685
1000p
C683
1000p
C682
1000p
C681
1000p
C680
0.1
TRAY-IN
GND
TRAY-OUT
LOAD+
LOAD-
0
R821
0
R822
C821
0.1
C823
0.1
C824
0.1
C822
100
10V
VM5.2V
13
MB BOARD
(2/9)
(Page 31)
14
MB BOARD
(2/9)
(Page 31)
21
MB BOARD
(7/9)
(Page 36)
11
MB BOARD
(2/9)
(Page 31)
MB BOARD (2/9)
(Page 31)
12
MB BOARD
(2/9)
(Page 31)
16
MB BOARD (2/9)
(Page 31)
20
MB BOARD (2/9)
(Page 31)
17
MB BOARD (1/9)
(Page 30)
6
MB BOARD (9/9)
(Page 38)
22
SERVICE,
OPTICAL DEVICE
(2/2)
CDM
Note: IC851 and on the MB board cannot exchange with single.
When this part on the MB board is damaged, exchange
the entire mounted board.