Samsung WS32Z78RSMXXEG, Service Manual

Page: 35 / 72

Alignment and Adjustments
4-24 Samsung Electronics
PCF8591 PORT ASSIGNMENT – When the AV is switched, it is used for JACK IDENT (just as KS4A is).
4-8 PCF8591 PORT ASSIGNMENT (JACK IDENT)
PIN
NO
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
FUN
AINO
AIN1
AIN2
AIN3
A0
A1
A2
VSS
SDA
SCL
OSC
EXT
AGND
VREF
AOUT
VDD
ASSIGN
SC3-ID(AV3/AV3S-ID)
SC1-ID(AV1/DVD1-ID)
SC2-ID(AV2)
FAV-ID/FS-ID
GND
GND
GND
GND
SDA2
SCL2
OSC
GND
AGND
VREF
D/A OUT
VDD
SCART JACK OPTION IDENT VOLTAGE(V) RCA JACK MODEL IDENT VOLTAGE(V)
0 ~ 1.5
NOT CON.
NOT CON.
NOT CON.
1.6 ~ 3.4
WIDE MODE
WIDE MODE
WIDE MODE
3.5 ~ 5.0
4:3 MODE
4:3 MODE
4:3 MODE
0 ~ 1.8
NOT CON.
1.85 ~ 2.35
DVD1
2.4 ~ 4.0
NOT CON.
AV1
NOT CON.
4.1 ~ 5.0
AV3
ALL CON
F-VIDEO
AV3 SVHS
NOT CONNECTION
FRONT-SVHS
AV2
IC ADDRESS SLECTION
DIGITAL GND
IIC CONTROL BUS
-
EXT/INT OSC CONTROL
ANALOG GND
-
Tilt
5V
Use the same voltage as the RCA Option.