Guide For Repairing - JVC AV-14F704 Service Manual

GUIDE FOR REPAIRING

MAIN PCB OEC7093A (IC101)
No. Pin name
1 P11/SCL1
2 P00/PWM0
3 P01/PWM1
4 P02/PWM2
5 P03/PWM3/AD1
6 P04/PWM4/AD2
7 P05/AD3
8 P06/INT2/AD4
9 P07/INT1
10 P20/SCLK/AD5
11 P21/AOUT/AD6
12 P22/SIN/AD7
13 P23/TIM3
14 P24/TIM2
15 P25/INT3
16 P26/X CIN
17 P27/X COUT
18 CNVSS
19 XIN
20 XOUT
21 VSS
22 VCC
23 FILT
24 HLF
25 VHOLD
26 CVIN
27 RESET
28 FSCIN
29 PON CONT/P15
30 P31/SCL3
31 P30/SDA3
32 CLK CONT/P10
33 P55/OUT
34 P54/R
35 P53/G
36 P52/B
37 P51/VSYNC
38 P50/HSYNC
39 P16/AD8/TIM2
40 P14/SDA2
41 P13/SDA1
42 P12/SCL2
IC DESCRIPTION
Symbol I/O Logic
AUDIO MUTE O 0
EXT MUTE O 1
VOLUME O 1
BBE-H O
AFT I
KEY1 I
KEY2 I
X-RAY I
REMOCON I
ON TIME LED O
S IN I
Y/C SW O
AUDIO SW O
O
OPOWER FAIL I 0
DEGAUSS_H O 1
X-RAY_TEST O 1
CNVSS
X in I
X out O
VSS
VCC
FILT
HLF O
V.HOLD I
CVIN I
RESET I 0
(FSC IN) I
POWER O 1
SCL1 O
SDA1 I/O
(CLOCK CONT) O
BRANK O 1
RED R O 1
GREEN G O 1
BLUE B O 1
V.SYNC I 0
H.SENC I 0
SYNC I
IIC_OFF I 0
PROTECT O 1
H_CTL O 1
Function
Audio MUTE Output.
Audio MUTE Output for external Output.
Volume PWM output.
BBE Control Output.
Voltage of tuning input.
Main unit key input.
Main unit key input.
Input terminal of X-RAY detection.
Remote control input.
ON-TIMER LED control output.
S-connectio input.
External in select output.
Audio in select output.
Power failure detector input.
Degauss output.
X-RAY detector input.
GND
Main Oscillation.
Main Oscillation.
GND
5V
Filter of slicer.
Condenser of slicer.
Video signal input.
Reset signal input.
(Main Clock Occurrence circuit input)
Power control output.
Serial clock output. (IIC BUS)
Serial data input/output.
(Main Clock Request output)
BLANK Output for OSD/CCD.
Red output of RGB image output.
Green output of RGB image output.
Blue output of RGB image output.
Vertical synchronization input.
Horizontal synchronization input.
Input terminal for H-SYNC.
Serial clock/data stop input.
Output HIGH at turning off a television.
Output HIGH at turning off a television.
No. 52130
AV-14F704
Option
C-MOS
Nch-OD
Nch-OD
Nch-OD
Nch-OD
Nch-OD
Nch-OD
Nch-OD
Nch-OD
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
C-MOS
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