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4. Troubleshooting
4.1.1. No Power
No Powe r
Che ck MAIN P CB UIC1
Pin 1, 3: 5V?
Ye s
(1)
Che ck MAIN P CB UIC1
Pin 14: 5V?
Ye s
Che ck VFD
Volta ge in MAIN PCB
CON13 Pin 2~4 ?
Ye s
Che ck Crys ta l
circu it in MAIN P CB UX1, UX2
pa rt ok?
Ye s
Che ck pa tte rn or re pla ce
MICOM IC.
4-2
No
No
*
Re fe r to wa ve pa tter n
ima ge of Fig. 4-1 .
No
No
Che ck MAIN PC B
CON13 Pin 13~ 15 (5.6V);
Pin 8, P in 11 (8V)?
Ye s
Che ck MAIN PC B
CON13 Pin 15: 5.6V?
Copyright© 1995-2011 SAMSUNG. All rights reserved.
No
Che ck or re pla ce S MP S .
No
Che ck or re pla ce S MP S .
Che ck or re pla ce S MP S .
Che ck s igna l a nd s igna l
pa tte rn.
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