Ic Pin Function Description - Sony STR-DA333ES Service Manual

5-26. IC PIN FUNCTION DESCRIPTION

IC102 MB90553APF-G-139-BND (DISPLAY BOARD)
Pin No. Pin Name I/O
1 LED V VIDEO2 O
2 LED A VIDEO3 O
3 LED V VIDEO3 O
4 LED A DVD/LD O
5 LED V DVD/LD O
6 LED A TV/DBS O
7
LED V TV/DBS O
8 LED TAPE O
9 LED MD/DAT O
10 LED CD O
11 VSS —
12 LED TUNER O
13 LED PHONO O
14 LED SURR O
15 LED EQ O
16 LED INDEX O
17 LED S.F ON/OFF O
18 LED MUTING O
19 FLASH DO O
20 FLASH D1
21 FL CLK O
22 FL DATA O
23 VCC —
24 FL LAT O
25 FL CLEAR O
26 SIRCS IN
27 C —
28 — —
29 — —
30 — —
31
— —
32 — —
33 — —
34 AVCC —
35 AVRH —
36 AVRL —
37 AVSS —
38
AD KEY IN 1
39 AD KEY IN 2
40 AD KEY IN 3
41 AD KEY IN 4
42 VSS —
43 AD KEY IN 5
44 AD KEY IN 6
45 AD VERSION 1
46 AD VERSION 2
47 STOP
48 — —
49 MD0
50 MD1
VIDEO 2 visual display data output to LED
VIDEO 3 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
Ground (Connected to ground)
TUNER display data output to LED
PHONO display data output to LED
CURSOR MODE SURROUND display data output to LED
CURSOR MODE EQ display data output to LED
CURSOR MODE INDEX display data output to LED
SOUND FIELD ON/OFF display data output to LED
MUTING display data output to LED
FLASH DATA output
I FLASH DATA input
Clock output to fluorescent display tube
Data output to fluorescent display tube
Power supply +5 V
Fluorescent latch
Fluorescent clear
I SIRCS input
External power regulator capacitor 0.1 is connected to this terminal
Not used (Connected to ground)
Not used (Connected to ground)
Not used (Connected to ground)
Not used (Connected to ground)
Not used (Connected to ground)
Not used (Connected to ground)
Analog power supply +5 V
AVRH (Connected to Analog power supply +5 V)
AVRL (Connected to ground)
Ground (Connected to ground)
I Key input 1
I Key input 2
I Key input 3
I Key input 4
Ground (Connected to ground)
I Key input 5
I Key input 6
I Version input 1
I Version input 2
I Stop input
Not used (Connected to ground)
I MD 0
I MD 1
Description
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