Schematic Diagram - Mb Board (3/9) - Sony HCD-GPX33 Service Manual

HCD-GPX33/GPX55/GPX77/GPX88
6-9.

SCHEMATIC DIAGRAM - MB Board (3/9) -

1 2 3
A
MB BOARD (3/9)
B FE_3.3V_1
MB BOARD (1/9)
6
GND
(Page 30)
DVDD3.3V
MB BOARD (2/9)
17
FE_3.3V
(Page 31)
C
D FE_VREFO
FE_MUTE
MB BOARD FE_FMO
FE_TRO
(2/9) 14
(Page 31)
E
FE_FOO
FE_DMO
MB BOARD
FWD
21
(7/9) REV
LOAD_END_SW
(Page 36)
F
UNLOAD_END_SW
CN681
5P
JL685
TRAY-OUT 5
G
JL684
GND 4
JL683
CDM TRAY-IN 3
JL682
LOAD+ 2
JL681
LOAD- 1
H
MB BOARD (9/9)
22
(Page 38) VM5.2V
I
FE_OP-
MB BOARD
FE_3.3V
(2/9) 11
FE_OPO
J
(Page 31)
GND
K
HCD-GPX33/GPX55/GPX77/GPX88
• See page 46 for IC Block Diagrams.
4 5 6 7
FB846
0
CL845
SL873 FE_SLED_IN
FE_TRK_IN
SL872
C851
330p
R851
27k
SL851 FE_FCS_IN 1.4
CL852
C854
0.015 R850
R854
CL853
10k 10k
SL854 FE_SPDL_IN 1.4
CL855
R856 0 CL856
R853 0 CL857
C850
100 C858
10V 0.1
5.2
C685 1000p
R685 1k
FE_LOAD-
C683 1000p
FE_LOAD+
R683 1k
FE_SPDL+ 2.5
R693 R695
1k 1k
FE_SPDL-
2.5
2.5
C682 1000p
2.5
C680
0.1
C681 1000p
R821
0
R822
0
C822
C821 C823
100
0.1 0.1
10V
CL891
D837 C837
R838
RB520S-30FJTE61 0.1
10k R837
1
D839 C839
RB520S-30FJTE61 0.1
CL892
R840
10k
8 9 10
CL840
R881
100
R884
47k Q881
2SA2119K
2SA2119K
AUTO POWER
C880 AUTO POWER
100
CTRL 3.3 3.3
10V
3.1
0 0
C881
R882
0.01
100k
R878 10k
C877 0.1
1 VINFC MUTE 28
1.4
R876
2 TRB_1 BIAS 27
27k
1.4 FE_TRK_IN
3 REGO2 VINTK 26
C876 330p
1.4
4 VINSL+ TRB_2 25 CL875
C873
5 REGO1 RESET 24 CL874
0.1
0
6 FWD VINLD 23
0 1.4 R873
7 REV GND 22
15k
C871
0.1
29 30
PGND PGND
CL871
8 Vcc1 VCTL 21
0 0.9 CL870
9 VOTR- VCCD 20
0
10 VOTR+ Vcc2 19 C869 0.1 C870 100 10V
5.2
11 VOSL+ VOLD- 18
2.5
12 VOSL- VOLD+ 17
2.5
13 VOFC- VOTK- 16
2.5
14 VOFC+ VOTK+ 15
2.5
IC851
AM5890S
IC B/D
IC851
5CH SYSTEM
MOTOR DRIVER
C824
0.1
32 32
11 12 13 14
FE_DVD_LDD
FE_DVD_IOP
16
Q891
C890
R894
CTRL R891
100
47k
10V 100
FE_CD_LDD
3.1
C891
R892 0.01
100k
FE_LD_CD 12
FE_LD_DVD
MB BOARD (2/9)
20
VCTL
CN831
6P
SL836
JL836
6 SL+
JL835
5 SL-
JL834
SL835
4 NC(LIMIT)
JL833
3 NC(GND)
SL832
JL832
2 SP+
JL831
1 SP-
SL831
FE_LIMIT
FE_TRK+
13
FE_TRK-
FE_FCS+
FE_FCS-
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.
15 16 17
MB BOARD
(2/9)
(Page 31)
MB BOARD (2/9)
(Page 31)
(Page 31)
SERVICE,
OPTICAL DEVICE
(2/2)
MB BOARD
(2/9)
(Page 31)