JVC AV-20FD22 Service Manual page 19

OEC6063A
No. Symbol
1 VSS
2 X-RAY TEST
3 RGB/COMP
4 TV MUTE
5 EXT MUTE
6 DVD RESET
7 TV POWER
8 VOLUME PWM
9 UART CLOCK
10 UART START BIT
11 RX
12 TX
13 UART CLOCK IN
14 BBE H
15 X-RAY IN
16 AFT
17 KEY1
18 KEY2
19 TV/DVD
20 DEGAUSS
21 IIC BUS OFF
22 OSD R
23 OSD G
24 OSD B
25 OSD Y/BLK
26 Hsync
27 Vsync
28 OVDD
29 OVCC
30 TEST
31 XIN
32 XOUT
33 RESET
34 POWER FAIL
35 REMOCON
36 SD
37 SCL
38 SDA In/Output
39 VSS
40 VIDEO IN 1
41 VIDEO IN 2
42 VDD
IC DESCRIPTION
I/O Logic
- - Negative power supply (Ground)
Output 1 X-RAY test output
Output - It changes "Rgb/Composite" picture signal for "DVD".
Output 1 Volume muting output
Output 1 External picture/volume muting output
Output 0 Enforced reset output for DVD
Output 1 Power control output
Output - Puls width modulation output for the volume control
Output - The asynchronous clock output
Input - The entry for the asynchronous Start bit detection
Input - The communication DATA entry from the side of DVD
Output - The communication DATA output to the side of DVD
Input - The asynchronous clock Input
Output 1 BBE output
Input - X-RAY detection input (nom. 0V)
Input - Voltage of tuning input
Input - Voltage of the TV button input
Input - Voltage of the TV button input
Output 1
TV/DVD picture signal changing output
Output 1 Degauss output
Output 0 Serial clock/data stop input
Output 1 Red output of RGB image output
Output 1 Green output of RGB image output
Output 1 Blue output of RGB image output
Output 1 Fast blanking control signal
Input 0 Horizontal synchronization input
Input 0 Vertical synchronization input
- - Positive power supply (+5V nom.)
- - Negative power supply (Ground)
Input - Test input (connects with Ground)
Input - Connect the main crystal.
Output - Connect the main crystal.
Input 0 System reset voltage input
Input 0 Power failure detection input
Input 0 Remote control input
Input 1 Synchronization detector input
Output 1 Serial clock output
1 Serial data Input/output
- - Negative power supply (Ground)
Input - Picture signal input for the Closed Caption (2Vp-p)
Input - Picture signal input for the Closed Caption (2Vp-p)
- - Positive power supply (+5V nom.)
Function
AV-20FD22
Function
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
Nch-OD
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
Nch-OD
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
Nch-OD
Nch-OD
19