Schematic Diagram - Main Board (4/5) - Sony SCD-C222ES Service Manual

6-16. SCHEMATIC DIAGRAM – MAIN Board (4/5) – •
(Page 43)
AVC
DRVC
D3V
D5V
DGND
(Page 42) MGND
C790
M12V
FB701
CN707
12P
CDM-GND(CHANGER)
CDM-10V
FL750
M+12V
CL991
M-GND
CL761
A-GND
D-GND
CL763 CL993
D+3.3V
A+3.3V
(Page 54)
CL766 CL996
A-GND
D-GND
CL762 CL992
D+5V
A+5V
CL765 CL995
(CHASSIS)
CL767 CL997
AGND
A3V
A5V
(Page 42)
•
See page 55 for Waveforms. See page 59 for IC Block Diagram.
FL901
R931
100
R958
0
MD2
R949
15k
FJMP1
FJMP2 R948 15k
SENS R947 0
R954
10k
XCS_IO
XCS1882 R959 10k
R962 10k
D0
D1
D2
D3
AGND D4
AVC D5
DRVC D6
D3V D7
D5V XINIT0
DGND XINIT1
T_SENS
47
16V
FL751
FB703 FB704
FB706
R960
10k CL989
FB705
FL752
CL764 CL994 C791 C793 JL1072
100 220
6.3V 4V
RESET SIGNAL
FL754 GENERATOR
FB710
A5V
IC905
M51957BFP-600C
FB708
FL753
JL1073
FB707 FB709
C794 C792
220 100
4V 6.3V
R964 C921 R820
3.3k 0.01 6.8k
A3V
C901
10 C906
10V 0.01
C902
0.01
S902
(FLASH WRITING)
WRITING WRITING
IMPOSSIBLE POSSIBLE
R932
100
CL977
CL976
WIRITING POSSIBLE: 3.3
CL975
WIRITING IMPOSSIBLE: 0
CL971
CL970
CL978
CL969
CL968
CL967 CPU
IC901
CXP974096-001R
JL907
JL906
JL905
JL904
JL903
JL902
JL901
CL966
CL965
CL999
CL964
R970
0
R961
R875
1k
5.6k
R1020
10k
CL988 CL951
R941
R876
100
0 C945 R1029
0.1 8.2k
R940
100
R943 R973
100 0
C923 C910 C946
1 0.01 0.1
45 45
R912
10k
R913
R906 10k
22 C916
0.01
R946
10k
EEPROM
IC903
BR24C64F-E2
R991
CL923 0
LOCK
CL924 R992 0 FOK
R915
100
CL926 SCLK
CL927 R824 0 GFS
C903
C904
10
0.01
C746 0.22 10V FL908
CL928
CL929 SP_ERR FE R916 C909
1k 100p
CL930
R917
CL931 TE
JIT 1k
CL932 R804 10k KEY3
CL933 C936 1000p KEY2
CL934 KEY1
CL935 KEY0
CL936 LED_DRV
CL937 GFS_V
CL938
R998
0
CL939 IFREQ
R919 R920
22 100
CL940 SCK1
CL941 SOUT1
CL942
R921
100
CL943
C937
1000p
R806
10k
C938
1000p
R807
10k
C905
0.01 C939
R981 1000p
10k
C948 R975
1 10k
R1021
10k R980
10k C949
1
CL944
R1024
0
C952
1
R925 R939 R1028 C953
100 100 22 1
R801
0
XDIS_IO
RXD
JL951
TXD JL952
JL953
PWE
SCD-C222ES
1D
2D
3D
4D
5D
6D
7D
8D
9D
(Page 46)
10D
11D
JL950
RXD
DGND
TXD (FOR RS-232C)
5V-D
10V-PWE
R812
0 CN709
5P