Sony STR-V919 - Page 37

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IC102 MB90553PF-G-121-BND (DISPLAY BOARD)
Description
VIDEO 1 VISUAL display data output to LED
VIDEO 2 AUDIO display data output to LED
VIDEO 3 VISUAL display data output to LED
DVD/LD AUDIO display data output to LED
DVD/LD VISUAL display data output to LED
TV/DBS AUDIO display data output to LED
TV/DBS VISUAL display data output to LED
TAPE display data output to LED
MD/DAT display data output to LED
CD display data output to LED
GND (Connected to GND)
Not used. (Connected to GND)
Not used. (Connected to GND)
CURSOR MODE SURROUND display data output to LED
CURSOR MODE EQUIPMENT display data output to LED
CURSOR MODE INDEX display data output to LED
Not used. (Connected to GND)
Not used. (Connected to GND)
UART data output to rewrite flash memory
UART data intput to rewrite flash memory
Clock output to flourescent display tube
Data output to flourescent display tube
Power supply +5 V
Fluorescent latch
Fluorescent clear
SIRCS input
External power regulator capacitor 0.1µ is connected to this terminal.
Not used (Connected to GND)
Not used (Connected to GND)
Not used (Connected to GND)
Not used (Connected to GND)
Not used (Connected to GND)
Not used (Connected to GND)
Analog power supply +5 V
AVRH (Connected to power supply +5 V)
SVRL (Connected to GND)
GND (Connected to GND)
Key input 1
Key input 2
Key input 3
Key input 4
GND (Connected to GND)
Key input 5
Key input 6
Version input
Model input
Stop input
Not used (Connected to GND)
MD 0 (To MD0 of MB90574)
MD 1 (Connected to power supply +5 V)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
I/OPin Name
LED V1
LED V2
LED V3
LED-DVD/LD
LED-TV/DBS
LED-TAPE
LED-MD/DAT
LED-CD
LED-TUNER
LED-PHONO
VSS
—
—
LED SUR
LED EQ
LED INDEX
—
—
SOT0
SIN0
FL CLK
FL DATA
VCC
FL LAT
FL CLEAR
SIRCS IN
C
—
—
—
—
—
—
AVCC
AVRH
AVRL
AVSS
AD KEY IN 1
AD KEY IN 2
AD KEY IN 3
AD KEY IN 4
VSS
AD KEY IN 5
AD KEY IN 6
AD VERSION
AD MODEL
STOP
—
MD 0
MD 1
O
O
O
O
O
O
O
O
O
O
—
—
—
O
O
O
—
—
O
I
O
O
—
O
O
I
—
—
—
—
—
—
—
—
—
—
—
I
I
I
I
—
I
I
I
I
I
—
I
I