Read Sony STR-DE485 / STR-DE485E Service Manual online
STR-DE485/DE485E
18
18
4-5. BLOCK DIAGRAM — VIDEO/DISPLAY SECTION —
13
1
15
5
3
4
6
10
14
88
83
61
7
14 - 29
42 - 31
82
34
33
5
6
87
89
90
2
16
8
62
8
63
29
32
31
30
26
60
59
54
38
9
1
2
3
SW NETWORK S100-109
39
SW NETWORK S110-119
40
SW NETWORK S120-128
41
SW NETWORK S130-137,
S143,144
RV102
MASTER
VOLUME
VOLUME
LED
DRIVERS
Q100-104
56
28
27
51
49
77
2
3
1
3
VIDEO
IN
VIDEO 1
VIDEO
OUT
MONITOR
VIDEO
OUT
VIDEO 1
VIDEO
IN
VIDEO 2
VIDEO
IN
DVD/LD
+3.3V
(STBY)
RESET
IC1602
M.OUT
V1.OUT
VCC
V1
V2
DVD
X1
X0
SW3
SW2
SW4
SW1
SDA
EEPROM
VIDEO SW
SCL
POWER KEY
SP SWITCH/FLASH1
FLASH2
MD2
MD0
RSTX
VEE
IC807
IC804
+5V
REG
-5V
REG
+V
-V
J201 (2/2)
J200 (2/2)
FL101
FLUORESCENT
INDICATOR
TUBE
F1
F2
DIN
CLK
STB
SW1
SW2
SW3
VIDEO SELECTOR
IC103
SW3
SW2
SW4
SW1
SW5
D203,
D204
D204
J201 (1/2)
J200 (1/2)
SDA
SCL
EEPROM
IC1604
X1601
20MHz
DIN
FL DRV/
LED DRV
BUFFER
IC101
CLK
FL_STB
BLUE LED
AFD
2CH
MODE
DSC LED
SIRCS
VOL(A)
VOL(B)
VOL(B)
A/D0
A/D1
A/D2
A/D3
5
4
2
2
1
10
9
6
3
8
1
3
FL DISPLAY
DRIVER
IC100
SEG1-16 GRID1-16
Q109
Q111
Q110
LED DRIVER
Q108
LED DRIVER
Q107
LED
MATRIX
D110-114
D100,
D102-104
D102-104
1
REMOTE
CONTROL
RECEIVER
IC102
OUT
SIRCS
+5V-1
SYSTEM
CONTROL
IC1601 (3/4)
CNS3
FLASH1
FLASH2
MD2
MD0
RESET
RESET
1
2
7
6
6
5
FLASH
PROGRAMMING
S145
AFD-LED
MCH-LED
MODE-LED
DSC-LED
2CH-LED
1
2
I
/ I
OR
• Signal path
: VIDEO
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