Read Sony STR-K5900P / STR-K9900P Service Manual online
STR-K5900P/K9900P
16
16
STR-K5900P/K9900P
4-5. BLOCK DIAGRAM — KEY/DISPLAY SECTION —
29
FL DISPLAY DRIVER
IC100
14
I
29
30
29
30
5
6
45
46
54
SW NETWORK
S120-125,128-130
RV102
MASTER
VOLUME
VOLUME
56
51
49
28
27
77
+3.3V
(STBY)
X1
X0
SDA
SCL
POWER KEY
FLASH1
FLASH2
MD2
MD0
RSTX
SDA
SCL
EEPROM
IC1131
X1101
24MHz
89 SW4
V SW4
88 SW3
V SW3
71 COMP SW1
COMP SW1
65 COMP SW2
COMP SW2
87 SW2
V SW2
86 SW1
V SW1
SIRCS
9
4
2
60
59
57
FL LAT
FL DATA
FL CLK
9 STB
7 DIN
8 CLK
3
6
8
2
SW2
1
SW1
GRID12
I
GRID1
SEG1
I
SEG16
4
SW4
3
SW3
VOL ENC A
VOL ENC B
VOL ENC B
A/D2
SW NETWORK
S140-143,148-153
SW NETWORK
S100-110
A/D0
A/D1
1
3
BUFFER
IC101
1
REMOTE
CONTROL
RECEIVER
IC102
OUT
SIRCS
SYSTEM
CONTROL
IC1101 (3/4)
CNS504
S131
FLASH1
FLASH2
MD2
MD0
RESET
RESET
1
2
7
6
6
5
FLASH
PROGRAMMING
1
2
I
/ I
VIDEO
SECTION
D
D101-104
47
38
39
40
BLUE LED
FL101
VACUUM
FLUORESCENT
DISPLAY
IC1111
RESET
31
I
42
LED DRIVE
Q110
D105
(Page 15)
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