Ic Pin Function - Sony STR-V333ES Service Manual

5-30. IC PIN FUNCTION

IC102 MB90553ABPF-G-168-BND DISPLAY CONTROL (DISPLAY BOARD)
Pin No.
Pin Name
1 EQ
2 SUR
3
LEVEL
4 NAME
5 SET UP
6 MULT CH DEC
7
DCS
8
AUDIO SPLIT
9 VOL UP
10 VOL DOWN
11 VSS
12
5V CHECK
13 POWER RY
14 NO USE
15 NO USE
16 NO USE
17 NO USE
18 SIRCS IN
19 FLASH DATA OUT
20 FLASH DATA IN
21
FL CLK
22 FL DATA
23 VCC
24 FL LATCH
25 FL CLEAR
26
OSD CLK
27 C
28 OSD DATA OUT
29 —
30
OSD LAT
31
—
32 —
33 —
34 AVCC
35
AVRH
36 AVRL
37 AVSS
38 KEY INPUT 1
39 KEY INPUT 2
40
KEY INPUT 3
41 KEY INPUT 4
42 VSS
43 NO USE
44
NO USE
45
VOL A/D
46 RDS SIGNAL INPUT
47 STOP
48 —
49
MD0
50
MD1
I/O
O EQ display data output to LED
O SUR display data output to LED
O LEVEL display data output to LED
O NAME display data output to LED
O SET UP display data output to LED
O MULTI CHENNEL DECODING display data output to LED
O DIGITAL CINEMA SOUND display data output to LED
O AUDIO SPLIT display data output to LED
O Volume up output
O Volume down output
— Ground (Connected to ground)
I +5V check input
O Power RY output
— Not used (Connected to ground)
— Not used (Connected to ground)
— Not used (Connected to ground)
— Not used (Connected to ground)
I SIRCS input
O FLASH DATA output
I FLASH DATA input
O Clock output to fluorescent display tube
O Data output to fluorescent display tube
— Power supply +5 V
O Fluorescent latch
O Fluorescent clear
O Clock output to OSD
— External power regulator capacitor 0.1 is connected to this terminal
O Data output to OSD
— Not used (Connected to ground)
— Not used
— 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 Not used (Connected to ground)
I Volume level input
I RDS signal input
I Stop input
— Not used (Connected to ground)
I MD 0
I MD 1
Description
69