Samsung TXN2668WHFXXAA, Service Manual

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Alignment and Adjustments
4-4 Samsung Electronics
4-2 MICOM PORT
PIN FUNCTION FIRST STATE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31(33)
32(34)
33(35)
34(36)
35(37)
36(38)
37(39)
W-PORT
ROM SDA
ROM SCL
BUS-STOP
MAIN SDA
MAIN SCL
S-RESET
V-RESET
VDD 2.5V
GND
VDD 3.3V
CVBS IN
VDD 2.5V
GND
AFT
SC1-ID
SC-2-ID
KEY-1
H-SYNC
V-SYNC
KEY-3
KEY-2
X-RAY
IR-IN
STD-LED
TIM-LED
RELAY
SW1
GND
VDD 3.3V
RESET
X-IN
X-OUT
GND
VDD 2.5V
OSD-R
OSD-G
HIGH
SERIAL H
SERIAL H
HIGH
SERIAL H
SERIAL H
HIGH
HIGH
HIGH
HIGH
IV p-p
HIGH
HIGH
POSITIVE
POSITIVE
HIGH
HIGH
HIGH
HIGH
LOW
HIGH
HIGH
LOW
HIGH
1.2V p-p
1.2V p-p
- RESET Control jack during E2PROM latch UP (Function: Low)SERIAL H
- E2PROM only SDA LINE
- E2PROM only SCL LINE
- Automation and after-sales service related BUS STOP (STOP: LOW)
- CXA2150Q / CXA2151Q /VSP940X / BA7657F / MSP34XX / TUNER Control jack
- CXA2150Q / CXA2151Q /VSP940X / BA7657F / MSP34XX / TUNER Control jack
- Reset when MSP34XX IC (SOUND PROCESS IC) has an error (Active: LOW)
- Reset when VSP940X IC (1-chip IC) has an error
- Analog GND
- TTX and USA Caption Input source Line ( 1V p-p)
- Main AFT Control jack ( 0 - 3.3V)
- MICOM "H-SYNC" Input, POSITIVE Input (3.3 V p-p)
- MICOM "V-SYNC" Input, POSITIVE Input (3.3 V p-p)
- Power ON/OFF Control jack
- TV/VIDEO switching control jack
- Function: Low
- Remote Control Input Jack
- STANDBY: Hight, OFF: LOW
- TIME ON: H TIME OFF: L
- DEGAUSSING COIL CONTROL: Based on standard specifications
- H: IN1, L: IN2 (BA7657F) PIN (#16) Control jack
- Reset active : HIGH
- Crystal oscillation input jack
- Crystal oscillation output jack
- OSD R-OUT OUTPUT jack (0.38V p-p) ,half tone: 0.9V p-p
- OSD G-OUT OUTPUT jack (0.38V p-p) ,half tone: 0.9V p-p
RANGE
TV MODE
AV MODE
16 : 9 MODE
4 : 3 MODE
0 ~ 2V 4.5 ~ 7V 9.5 ~ 12V
MENU
VOL-
VOL+
CH- CH+
PHILIPS 0 ~ 0.1V 0.1 ~ 0.7V
0.7V ~ 13V 1.3V ~ 1.9V 0.9 ~ 2.4V