Block Diagram - Key/Display Section - Sony STR-K5900P Service Manual

STR-K5900P/K9900P
4-5. BLOCK DIAGRAM — KEY/DISPLAY SECTION —
VIDEO
SECTION
(Page 15)
STR-K5900P/K9900P
V SW1 86 SW1
87 SW2
V SW2 CONTROL
IC1101 (3/4)
V SW3 88 SW3
D
V SW4 89 SW4
COMP SW2 65 COMP SW2
COMP SW1 71 COMP SW1
29 X1
X1101
24MHz
EEPROM
30 X0
IC1131
5 29 SDA
SDA
SCL SCL
6 30
S131
/ I
I
56
POWER KEY
CNS504
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
SYSTEM
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
VOL ENC A 45
3
VOL ENC B 46
D105
LED DRIVE
BLUE LED 47
Q110
SW NETWORK
A/D0 38
S140-143,148-153
SW NETWORK
A/D1 39
S100-110
SW NETWORK
A/D2
40
S120-125,128-130
16 16
IC100
SEG1 14
I I
FL101
SEG16 29
VACUUM
FLUORESCENT
GRID12 31
DISPLAY
I
I
GRID1
42
SW1 1
SW2 2
SW3 3
SW4
4 D101-104
REMOTE
CONTROL
RECEIVER
IC102
RV102
MASTER
VOLUME