Schematic Diagram - Control Board - Sony XR-CA370 Service Manual

5-6. SCHEMATIC DIAGRAM – CONTROL Board – •
∗
R965
22 (CA370)
180 (CA370X)
R960 R965
220 ∗
R961 R966
220 220
R967
220
D940
NSPW310BST
(LCD BACK LIGHT)
D942
∗
D941,942
SOURCE
D941
∗
CN900
12P
R900
0
NOSE SW
FRASH WRITE
LAMP+B
LAMP+B
LCD-RESET
LCD-CLK
LCD-DI(TX)
LCD-CE
LCD-DO(RX)
BU+5V
(Page 16)
GND
GND
(CHASSIS)
See page 14 for Waveform.
∗ ∗ ∗ ∗
R935 R916,921,932 R911,913
150 (CA370) 150 (CA370) 120 (CA370) 22
330 (CA370X) 270 (CA370X) 270 (CA370X) 180
R935 R932 R916 R913 R911
∗ ∗ ∗ ∗ ∗
R934 R931 R915 R912 R910
100 100 100 100 100
D921
+
R933 R930 R914
100 100 100
D921
∗
R917 D932
100 SEEK ∗
6
D916
∗ D916
-
D935 D919 D912
∗ ∗ ∗
+ ATT 5
(VOLUME)
D920 D911
D937 D934 ∗ D915 ∗
∗ ∗ ∗
DISC - SHUF
MODE - TA
1 4
D918 D914 D910
D936 D933 ∗ ∗ ∗
∗ ∗
DISC + ATA REP
SEL AF
2 PTY 3
∗ D941-944
D910-912,914-916,
∗
CL-190PG-CD (CA370)
D918-922,924,D930-938
CL-190SR-CD (CA370X)
CL-170PG-CD (CA370)
CL-170SR-CD (CA370X)
R901 1k
R902 1k
R903 1k
R904 1k
R905 1k
R962
(CA370)
(CA370X)
R921
∗
R920 R962
S955,978
100 ∗ S951 S960
SEL
DISC - DISC +
1
S955 S978
R963
220
R918 R964
100 220
S956,979
S961
MODE
REP
S956 S979
D930
D944
∗
∗
S957,975
S962
DSPL -(VOLUME)
S953 SHUF
D943,944 AF
S957 S975
EQ3
D924 D943
∗ ∗
OFF
S958,974
+(VOLUME)
S954 S963
ATT
S958 S974
D922
∗
BTM
SENS
D961
1SS355
S959,980
SOURCE
D960
1SS355
S959 S980
D962
1SS355
R955 0
C953
0.47
C952
680p
19 19
LCD1
LIQUID CRYSTAL DISPLAY
S964
2 TA
S969 S976
S969,976
+
S965
ATA
3 PTY
S970 S977
SEEK
S971,982
S967,981 BTM S970,977
DSPL
SENS
4
S967 S981 S971 S982
-
S972,983
EQ3
S968
5 6
S972 S983
D963 D964
1SS355 1SS355
S973
OFF
KS6
KI1
KI2
KI3
KI4
KI5
VDD
VLCD
C954
VLCD1
4
0.047
C955 VLCD2
LIQUID CRYSTAL
0.047
VSS DISPLAY DRIVER
R954 IC900
TEST
43k LC75884W
OSC
RES
DO
CE
CL
DI
S1
S2
XR-CA370/CA370X
S42
S41
S41
S40
S40
S39
S39
S38
S38
S37
S37
S36
S36
S35
S35
S34
S34
S33
S33
S32
S32
S31
S31
S30
S30
S29
S29
S28
S28
S27
S27
S26
S26
S25
S25
S24
S24
S23
S23