Alignments - Philips for Intel Socket 775 processor Service Manual

EN 34 8. S/SD/HD 3.1 PDP
8. Aligments
8.1 Adjustment Specification, Checking Position etc.
8.1.1 42" SDv2
Vsync
Y-Output
X-Output
Aligments
[Picture 1] Waveform of X-Board, Y-Board
1) Preparation
Insert Short Bar (J8002) in SMPS
Connect Relay Jig S/W JIG
Change Logic B'd S/W
into internal mode
Internal Mode
external Mode
1 2 3 4 1 2
Insert Jig AC socket
Oscilloscope
CH1: V-SYNC (CN201)
CH2: Y-output (OUT4)
CH3: X-output (TP OUT)
Connect Key-scan B'd
2) Turn-On.
- Turn on Power S/W
- Check LED in Logic B'd ( )
- Check waveform of X-B'd nad Y-B'd
(Refer to Picture 1)
3 4