Block Diagram - Video/Display Section - Sony STR-DE485 Service Manual

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