Schematic Diagram - Main Section (2/7) - Sony MAP-S1 Service Manual

5-10. SCHEMATIC DIAGRAM - MAIN Section (2/7) -

1 2
MAIN BOARD (2/7)
A
B
FE5.2V
(Page 54)
C851
1
>109S
DGND
MAIN
FE5.2V_TRAY
BOARD
(7/7)
FE5.2V_M
FEGND_M
C
D
(Page 51)
E >110S
CDM-FWD
MAIN
CDM-RVS
BOARD
(4/7)
F
(Page 48)
>102S
FEGND_M
MAIN
BOARD DGND
(1/7)
(Page 48)
G
>106S
FE_OPO
MAIN
FE_OP–
BOARD
(1/7)
H
MAP-S1
• See page 75 for IC Block Diagrams.
3 4 5
IC851
DC/DC CONVERTER
IC851
BD00GA3WEFJ-E2
(5.1) (3.2)
8 1
VCC VO
(0.7)
7 2
NC_7 FB
6 3
NC_6 GND
(5.1)
5 4
EN NC_4
C852
0.1
R852 R853 C856 C855
10k 27k 0.015 330p
IC852
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED/LOADING MOTOR DRIVE
IC852
AM5890S
(1.4) 1
VINFC
2
CL852 TRB_1
3
R859
CL853 REGO2
10k
CL854
(1.5) 4
VINSL+
5
CL855
REGO1
CL856
(0) 6
FWD
CL857
(0) 7
REV
(5.1) 8
VCC1
(0) 9
VOTR–
(0) 10
VOTR+
(3.3) 11
VOSL+
(1.6) 12
VOSL–
(2.3) 13
VOFC–
(2.7) 14
VOFC+
C854 C857
100 0.1
10V
C861 C860
0.1 0.1
R862 CL858
10k
R855
1 R863 CL859
1/2W 10k
6 7
C868 R867 R876 R878 R879
47 47k 15 15
SL855
10V
R865
10k
CL507
(3.2)
R504 Q851
0 2SA2119K
AUTOMATIC POWER
R860
CONTROL (FOR DVD)
47k
CL502
R861 C858 C859 C869 R866 R877
15k 0.1 1 0.01 100 100k
R872 R874
27k 15k
C866
R864
330p
10k
28 (3.2)
MUTE
27 (1.3)
BIAS
26 (1.3)
VINTK
25
CL860
TRB_2
C862 C870
24
0.1 0.1
CL861
RESET
23 (1.3)
VINLD
22
GND
CL862
21 (1.4)
VCTL
20
CL863
VCCD
19 (5.1)
VCC2
18 (2.6)
VOLD–
17 (2.3)
VOLD+
16 (2.5)
VOTK–
15 (2.4)
VOTK+
C863 C867
0.1 100
10V
C880
0
CL865
D852
RB520S-30FJTE61
49 49
8 9 10
R880 R881 R883 C872 R884
15 15 15 15 47 47k
10V
SL856
(3.2) (3.1)
(2.4)
Q852
2SA2119K
(0) (1.7)
AUTOMATIC POWER
CONTROL (FOR CD)
R882 C873 R885
100k 0.01 100
SL857
SL858
SL859
SL860
SL854
SL853
SL852
SL851
MAP-S1
11 12
CL864
C878
0.1
CN851
6P
JL851
6 SL+
JL852
5 SL–
JL853
OP1
4 NC(LIMIT)
OPTICAL
JL854
PICK-UP
3 NC(GND)
BLOCK
JL855
(CMS-S76RFS7G)
2 SP+
(2/2)
JL856
1 SP–
C879
0.1
FE_LIMIT
FE_CD_LDD
FE_MUTE
FE_DMO
FE_FOO
FE_TRO
(Page 48)
FE_FMO
>101S
FE_VREFO MAIN
BOARD
VCTL
(1/7)
FE_DVD_LDD
FE_LD_CD
FE_LD_DVD
FE_TRK+
FE_3.3V
FE_TRK–
FE_FCS+
FE_FCS–
LOAD+
LOAD–