Schematic Diagram - Main Section (2/7) - Sony HCD-SBT100 Service Manual

HCD-SBT100/SBT100B/SBT300W/SBT300WB
5-5.

SCHEMATIC DIAGRAM - MAIN Section (2/7) -

1 2
MAIN BOARD (2/7)
A
IC841
DC/DC CONVERTER
BD00GA3WEFJ-E2
B
5.1
8 VCC
7 NC
6 NC
5.1
5 EN
C892
0.1
C
C841
1
D
E
(Page 36)
>106S
CDM-FWD
MAIN
CDM-RVS
BOARD
(6/7)
(Page 37)
F
FE_5V
>107S
FE_5.2V_TRAY
FE_5.2V_M
MAIN
BOARD
FE_GND_M
(7/7)
GND
G
H
I
HCD-SBT100/SBT100B/SBT300W/SBT300WB
• See page 52 for IC Block Diagrams.
3 4 5
R881 R884
100 47k
IC841
CL840
3.3
Vo 1
0.8
R895
FB 2
47k
GND 3
NC 4
R896 C893 C845 C881
15k 0.1 1 0.01
C854 C851
0.015 330p
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED/LOADING MOTOR DRIVE
R851
27k
(1.4)
1
CL852 2
R854 R850
CL853 3
10k 10k
CL854
(1.6)
4
CL855
5
CL856
(0)
6
CL857
(0)
7
29
(5.2)
8
(0)
9
(0)
10
(3.5)
11
(1.6)
12
(2.2)
13
(2.8)
14
C850 C858
100 0.1
10V
R838
C837
10k
0.1
R837 C839 D839
1 0.1 RB520S-30FJTE61
1/2W
R840
10k CL892
6 7 8
C880 R889 R888 R887 R897 R898 R899
100 15 15 15 15 15 15
10V
(3.3) (3.1)
(3.2) (2.4)
Q881 Q891
2SA2119K 2SA2119K
(0) (1.8)
AUTOMATIC POWER AUTOMATIC POWER
CONTROL (FOR DVD) CONTROL (FOR CD)
R882 R892
100k 100k
R878 C877
10k 0.1
C876 C873
330p 0.1
R876
27k
R873
IC851
15k
IC851
AM5890S
(3.2)
28
VINFC MUTE
(1.4)
27
TRB_1 BIAS
(1.4)
26
REGO2 VINTK
25 CL875
VINSL+ TRB_2
24 CL874
REGO1 RESET
(1.4)
23
FWD VINLD
REV GND 22
30
PGND PGND
CL871
(1.3)
21
Vcc1 VCTL
20 CL870
VOTR– VCCD
(5.2)
VOTR+ Vcc2 19
(2.7)
18
VOSL+ VOLD–
(2.4)
17
VOSL– VOLD+
(2.6)
16
VOFC– VOTK–
(2.5)
15
VOFC+ VOTK+
C869 C870
0.1 100
10V
32 32
9 10 11
C890 R894
100 47k
10V
R880
10k
R891
100
C891
0.01
SL872
SL836
SL873 C834
0.1
SL832
SL835
C833
0.1
SL831
Note: IC841 and IC851 on the MAIN board cannot exchange with single.
When these parts are damaged, exchange the complete mounted board.
12 13
CN831
7P
7
NC
JL836
6 SL+
JL835
5
SL–
JL834 OP1
4 LIMIT OPTICAL
JL833 PICK-UP
3 BLOCK
NC(GND)
JL832
(CMS-S76RFS7G)
2 (2/2)
SP+
JL831
1 SP–
FE_TRO
FE_FMO
FE_MUTE
FE_VREFO
FE_5V
FE_DVD_LDD
FE_DVD_IOP
FE_CD_LDD
FE_LD_DVD
FE_LD_CD
FE_LIMIT
VCTL
(Page 31)
FE_TRK+
FE_TRK–
>101S
SL854 MAIN
BOARD
(1/7)
FE_DMO
FE_FCS+
FE_FCS–
FE_OP–
FE_3.3V
FE_OPO
SL851
FE_FOO
LOAD+
LOAD–