MHC-V77DW
MHC-V77DW
59
59
6-28. SCHEMATIC DIAGRAM - 89G Board (3/3) -
• See page 70 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
89G BOARD (3/3)
1.4
1.4
0
0
5.2
0
0
2.5
2.5
2.5
2.5
1.4
5.2
2.5
1.2
2.5
2.5
2.5
1.4
1.4
2.8
2.9
0
2.8
0
2.8
2.9
C8407
0.1u
C8411
0.1u
C8406
0.1u
C8409
330p
C8408
0.1u
C8405
0.1u
C8401
330p
C8402
0.015u
C8403
0.1u
C8417
0.01u
C8415
0.01u
C8404
0.1u
C8414
47u
6.3V
C8416
47u
6.3V
C8400
47u
6.3V
C8410
47u
6.3V
CL8409
CL8413
CL8408
CL8412
CL8401
CL8407
CL8402
CL8406
CL8410
CL8404
CL8400
CL8411
CL8403
CL8405
CL8414
CN8401
5P
1
2
3
4
5
6P
CN8400
0.1u
C8412
0.1u
C8413
1 SP-
2 SP+
3 NC(GND)
4 NC(LIMIT)
5 SL-
6 SL+
D8400
RB520S-30FJTE61
D8401
RB520S-30FJTE61
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
JL8401
JL8403
JL8404
JL8400
JL8409
JL8406
JL8408
JL8407
JL8405
JL8402
JL8410
Q8401
2SA2119K
Q8400
2SA2119K
R8401
27k
R8402
1
R8407
10k
R8406
10k
R8413
100k
R8418
100
R8409
27k
R8404
0
R8417
47k
R8411
100
R8408
10k
R8403
0
R8410
15k
R8405
10k
R8416
100k
R8419
2.7k
R8420
2.2k
C8418
0.1u
R8400
10k
R8424
0
R8425
0
R8428
100
R8429
100
R8412
47k
R8414
4.7
R8415
4.7
FE_TRCLOSE
DGND
FE_LD-CD_SW
FE_5.2V_TRAY
FE_LD-DVD_SW
FE_DMO
FE_V1P4
DVDD3.3V
FE_5.2V_M
FE_3.3V
FE_TRAYIN
FE_TRAYOUT
FE_FOO
FE_TRO
FE_TROPEN
FE_MUTE
FE_GND_M
FE_FMO
FE_CD_IOP_
FE_LIMIT
FE_FCS-
FE_OP-
FE_TRK-
FE_LD-CD
FE_DVD_IOP_
FE_OPO
FE_LD-DVD
SL8401
SL8400
SL8402
LOAD-
GND
TRAY-OUT
LOAD+
TRAY-IN
AUTO POWER
CTRL
AUTO POWER
CTRL
IC8400
AM5890S
5CH SYSTEM
MOTOR DRIVER
IC8400
30
29
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
>063S
89G BOARD
(1/3)
(Page 57)
>064S
89G BOARD
(1/3)
(Page 57)
>069S
89G BOARD
(2/3)
(Page 58)
>067S
89G BOARD
(1/3)
(Page 57)
SERVICE,
OPTICAL DEVICE
(7G)
(2/2)
CONNECT TO
MS-476 BOARD
Note:
When the MS-476 board is defective, exchange the entire
LOADING COMPLETE ASSY (T).