Cpu Port Functions - JVC AV-28BK5ECB Service Manual

CPU PORT FUNCTIONS

Pin No. Function Name
1 MMU0
2 MMU3
3 ADDR10
4 DSN
5 ADDR11
6 ADDR9
7 ADDR8
8 RWN
9 GND
10 VDD
11 OSC-IN
12 OSC-OUT
13 ADDR13
14 ADDR14
15 MMU1
16 MMU2
17 MMU4
18 MMU5
19 SCART 3
20 SCART 2
21 SCART 1
22 FRONT SC SW
23 SDA
24 SCL
25 RC-IN
26 SERVICE IN
27 SERVICE ACK
28 PROTECT
29 Hold Down
30 50/60
31 MUTE
32 SUPER 3D
33 Phone Mute
34 VDD
35 GND
36 IF AGC
37 KEY-IN
38 RF AGC IN
39 NA
40 NA
41 LED-2
42 NA
43 POWER
44 FB
45 B
46 G
47 R
48 V-SYNC
49 H-SYNC
50 WSCR
Function
Address bus 10
Address bus 11
Address bus 9
Address bus 8
Clock Input
Clock Output
Address bus 13
Address bus 14
SCART 3 Input H: AV
SCART 2 Input H: AV
SCART 1 Input H: AV
Front AV Switch Input H : Front
IIC SDA
IIC SCL
Remote Control Signal Input
Service Switch Input On: L
External Bus Switch Output ACK: L
Power Failure Detection Input L: Failure
Hold Down (High Voltage Detection Input) L: Hold Down On
50/60Hz Switch Output 50: H 60: L
Sound Mute Output On: H
Super 3D Switch Output On: L
Phone Mute
IF AGC Input
Key Input TV Key
RF AGC Input
LED Drive Output
Power On/Off Drive H: Power-On
BLK Output for OSD
Blue Output for OSD
Green Output for OSD
Red Output for OSD
V-Sync Input
H-Sync Input
No. 51758
AV-28BK5ECB
AV-28BK5ECS
IN/OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN
IN
OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN
IN
IN
IN
IN/OUT
OUT
IN
IN
OUT
IN
IN
OUT
OUT
OUT
OUT
IN
IN
IN
IN
OUT
OUT
OUT
OUT
OUT
OUT
IN
IN
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