Samsung ST54J9PX/XAP, Service Manual

Page: 48 / 121

Alignment and Adjustments
4-34 Samsung Electronics
27 BLANK BLAKING SIGNAL OUTPUT -
28 HSYNC HORIZONTAL SYNC INPUT -
29 VSYNC VERTICAL SYNC INPUT -
30 SDA-1 DATA BUS LINE 4.5V
31 SCL-1 CLOCK BUS LINE 4.12V
32 D3 CONVERGENCE D3 -
33 N.C N.C -
34 N.C N.C -
35 /RESET RESET 4.74V
36 XTAL1 XTAL 1 1.72V
37 XTAL2 XTAL 2 2.2V
38 GND GND -
39 VCC VCC 5V
40 XTAL GND GND -
41 S-RESET SOUND RESET -
42 MODE SELECT DVD MODE SELECT(480i/480p) 5V
43 AMP-MUTE MAIN AMP MUTE -
44 D1 CONVERGENCE D1 -
45 S/W-MUTE SWITCH MUTE (NOT USED) -
46 TIMER-LED TIMER LED 4.7V
47 V-TXD - 4.6V
48 RXD - 4.6V
49 HOLD HOLD 4.65V
50 BUS-STOP I 2 C BUS STOP 5V
51 POWER2/1080i 1080i RELAY CONTROL 4.65V
52 D2 CONVERGENCE D2 -
PIN NO. ITEM FUNCTION OUT VOLT