Schematic Diagram - Display/Key Boards - Sony SCD-XB780 Service Manual

5-20. SCHEMATIC DIAGRAM – DISPLAY/KEY Boards – •
P20
P19
P18
P17
P16
P15
P14
P13
P12
S11
S10
S9
R822
S8
2.2k
S7
S6
S812 S813
S5
TIME/TEXT SACD/CD
R821 R820
2.2k 1k
CN812 CN811
2P 2P
S811 S810
MENU MULTI/2CH
See page 42 for Waveforms.
FL801
FLUORESCENT INDICATOR TUBE
16G
S21 16G
15G
S20 15G
14G
S19 14G
13G
S18 13G
12G
S17 12G
11G
S16 11G
10G
S15 10G Q803
9G DTC114EKA
S14 9G
SEGMENT
8G
S13 8G DRIVE
7G
FLUORESCENT INDICATOR
S12 7G
TUBE DRIVER 6G
S11 6G
IC801
5G
MSM9202-06GS-BK
S10 5G
4G
S9 4G
3G
S8 3G
S7 2G
S6 1G
S5 VFL
GND
C801
0.1
C811 C815 C803
C813
100p 100p 47p 0.1
C814 0.047
Q802 Q801
DTC114EKA DTC114EKA
GRID GRID
DRIVE DRIVE
OPEN/CLOSE
R806 R807 R808
100k 100k 100k
REMOTE
CONTROL
RECEIVER
IC802
NJL74H400A
C810
0.1
C851
R852
100
100
6.3V
R851
47
C802
100
6.3V
39 39
R812 R813 R814 R815
2.2k 4.7k 10k 22k
R830
S803 S804 S805 S806
0
R827
1k
1 3 5
C832
0.1
R810 R811
1k 2.2k
FLDATA
S801 S802 2 4
FLCLK
S830
AMS FLT
PUSH ENTER
FLRST
R818
68
D803
SEL5E20CTP15 C820
0.1
(MULTI-CHANNEL)
SCD-XB780
CN802
5P
GND
-33V
F1
F2
+3.3V
(Page 41)
CN801
11P
FLDATA
GND
FLCLK
+3.3V
FLT
KEY0
FLRST
KEY1
(Page 34)
RM
KEY2
LED
NO810
(CHASSIS)