Block Diagram - Key/Display Section - Sony STR-DE697 Service Manual

4-6. BLOCK DIAGRAM — KEY/DISPLAY SECTION —
VIDEO
SECTION
31
V SW1 86 SW1
SYSTEM
87 SW2
V SW2 CONTROL
IC1101 (3/4)
V SW3 88 SW3
E
V SW4 89 SW4
65 A1 IN
BUFFER
CTRL A1
Q1102 64 A1 OUT
EXCEPT AEP,UK
MODEL
83
X1
X1101
16MHz
EEPROM
82 X0
IC1131
SDA
SDA 5 34
SCL
6 33 SCL
S152
/ I
I
56
POWER KEY
CNP503
FLASH1
1
28 FLASH1
FLASH2
2 27 FLASH2
FLASH MD2
7 51 MD2
PROGRAMMING
MD0
6 49 MD0
RESET
5
+3.3V
(STBY)
IC1111
2 1 77 RSTX
RESET
FL DISPLAY DRIVER
IC100
FL LAT 57 9 8 9 STB
BUFFER
7 DIN
FL DATA 59 4 6
IC101
60 2 3 8 CLK
FL CLK
SIRCS
SIRCS 54 1 OUT
1
ENC A 29
3
ENC B 30
1
VOL ENC A 45
3
VOL ENC B 46
D101
LED DRIVE
BLUE LED 47
Q100
SW NETWORK
A/D0 38
S131,133,135-141
SW NETWORK
A/D1 39
S100-102,104,106,108,110-112,114
SW NETWORK
A/D2
40
S120-128
19 19
SEG1 14
I I
FL101
SEG16 29
VACUUM
FLUORESCENT
GRID12 31
DISPLAY
I
I
GRID1
42
SW1 1
SW2 2
SW3 3
SW4
4 D102-105
REMOTE
CONTROL
RECEIVER
IC102
RV101
-/+
RV102
MASTER
VOLUME
STR-DE697