Schematic Diagram - Main Board (5/5) - Sony SCD-XB790 Service Manual

SCD-XB790
Q Q
3 7 6 3 1 5 1 5 0
5-15. SCHEMATIC DIAGRAM – MAIN Board (5/5) – •
(5/5)
T E
L 1 3 9 4 2 2 9 6 5 1 3
DVC
AVC
DRVC
D3V
D5V
DGND
(Page
MGND
M12V
30)
C790
47
16V
FB701
FL750
CL760 CL990
CL761
CL991
FL751
CN707 CL992 FB703 FB704
10P
C793
M+12V FL752 220
CL763 FB705 FB706
4V
M-GND
CL993
A-GND
D-GND
CL764 CL994 C791
D+3.3V
100
6.3V
A+3.3V
A-GND FL754
FB708 FB710
CL762
(Page
D-GND
D+5V
41)
A+5V FL753
FB707 FB709
C792
100
6.3V
C953 C952 C949 C948
(CHASSIS) 1 1 1 1
C794
CL767 CL997
220
4V
A3V
A5V
w w w
AGND
(Page 30)
•
See page 42 for Waveforms. See page 45 for IC Block Diagram.
(Page 32)
FL901
C901
10 C906 R901 R903
10V 0.01 22 22
C902
0.01
CL901
R956 CL973
10k
R902
10k
CL977
MUTE_LOAD
R932 22 CL976
CL975
MD2
R1002 10k
MUTE_2D
R957 22
CL974
R1003 10k
SP_ON CL972
FJMP1 R955 22 CL971
FJMP2 R949 15k CL970
SENS R948 15k CL978
R947 0 CL969
R959
XCS_IO 10k CL968
XCS1882 CL967
R962
10k
D0 JL907
DVC D1 JL906
AVC D2 JL905
DRVC D3 JL904
D3V D4 JL903
D5V D5 JL902
DGND D6 JL901
D7 CL966
XINT0 CL965
XINT1 CL999
CL964
CL963
MIRR
R910
0
R960 10k CL989 R970 0
JL1072
A5V
RESET
R961
SIGNAL 1k
A3V
GENERATOR
CL988 R1020
IC905 10k
M51957BFP-600C
AGND
R973
0
JL1073
C923
1
C924
R820 R964 C921 0.01
2.2k 1k 0.01
x a o
C920
0.01
. i
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R965
10k
R912 C916
10k 0.01
R913
10k
R906
22
R946
IC903
10k
BR24C02F-E2
CL922
EEPROM
Q Q
3 7 6
R991
CL923 0
LOCK
CL924 R992 0 FOK
MUTE_CD
CL925 R1023 0
CL926 R915 100 SCLK
CL927 R824 0 GFS
C903
C904 C909
10
0.01 100p
10V FL908
C746
CL928 0.22 FE
CL929 R988 1k R916 1k PI
C915 100p R917 1k TE
CL930 C908 10000p JIT
CL931 R804 10k R805 10k
CPU CL932 C937 1000p KEY2
IC901
CL933 C938 1000p KEY1
CXP973064-227R
CL934 R806 10k KEY0
CL935 SP_ERR
CL936 R998 0 GFS_V
CL937 R807 10k LED_DRV
CL938 R919 22 FLCS
CL939 C939 1000p
CL940 R920 100 FLCLK
CL941 R921 100 FLOUT
CL942 XDIS_IO
CL943
R1024
0
R981
10k
R975
10k
R1021 R1028
1k 100
R925
100 CLK_DF
DATA_DF
X901
C910 20MHz
0.01
C945 0.1
C946 0.1
SPDA u 1 6 3
y
34 34
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2 4
8 9 9
R1007 R928
0 0
R1013 R996
0 0
R1000 R1009
0 0 R935
10k
CL1118
R931
CL1005 CL1004
10k
R936
0 CL1006
64FS
128FS CL1007
256FS R937 0 CL1009
R938 0
PROGRAMMABLE
CL1011
LOGIC DEVICE
R939 0 CL1012
IC904
ISPLSI2032VE
R944 0 CL1013
-110LT44-SA
XHRD R945 0 CL1014
XHWR R950 0 CL1015
R952
0
3 1 5 1 5 0 8 9
C907
0.1
CL1016
R1001
0
R953
0
R980
2.2k
Q701,702
LED DRIVE
Q702
DTA143EKA-T146
LED_DRV
Q701
DTC144EKA-T146
FLOUT FL905 FB752 CL1002
FLDATA
FB760 CL1001
GND
RXD FLCLK FB757 CL1000
FLCLK
FB758 CL998
+3.3V
FLCS FB759 CL981
FLT
KEY0 FB751 CL982
KEY0
XRST_DP FB761 CL983
FLRST
KEY1 FB753 CL984
KEY1
RM_C FB754 CL985
RM
KEY2 FB755 CL986
KEY2
FB756 CL987
LED
m
c o
JL953
.
2
8 9 9
(Page 33)
E1
E2
E3
E4
E5
FL904
C911
10
10V
C917
R923 10k
0.1
R995
0
CL1108 DVDPDSW
CL1107 R994 0 XRST_CD
CL1106 XRST_DVD
R922 10k
CL1105
R993
0
R989
0
R987
0
CL1103
CL1102 R909 4.7k R986 0
CL1101 R908 10k R985 0
CL1100 XDIS_IO
CL1099 R911 1k CDPDSW
R979
0
C912
0.1
C918
0.1
2 4 9 8 2 9 9
CN706
11P
(Page 39)