4. Troubleshooting
4.1.5. No image on screen
No
No
No
No
Re -Conne ct HDMI ca ble .
No
Cha nge MAIN P CB.
Cha nge MAIN P CB.
No
Cha nge IC1, if you ca nnot
cha nge this , cha nge MAIN P CB.
Ye s
Ye s
Ye s
(1)
Do HD4, HD5, HD6, HD7 signals
ha ve no proble m?
HCN1 P owe r
(3.3V, 3V, 1.8V)
is OK ?
Che ck P owe r Line 's
compone nts . (s olde ring, e tc)
HDMI Ca ble is
conne cte d corre ctly?
Doe s Logo S cre e n
ha ve proble m?
Doe s HR394 ha ve 5V?
Ye s
Ye s
No ima ge on s cre e n
Change MAIN PCB.
(2)
IC1's re s ona tor (X376)'s
clock is ok?
Ye s
ø
Re fe r to wa ve pa tte rn
ima ge of Fig. 4-2.
ø
Re fe r to wa ve pa tte rn
ima ge of Fig. 4-3.
Cha nge MAIN P CB.
Copyright© 1995-2013 SAMSUNG. All rights reserved.
4-7
Содержание HT-H5500W
Страница 45: ...5 PCB Diagram 5 2 2 Test Point Wave Form TP1 TP2 TP3 Copyright 1995 2013 SAMSUNG All rights reserved 5 4 ...
Страница 46: ...5 PCB Diagram 5 3 MAIN PCB Bottom IC414 IC3 1 5 5 Copyright 1995 2013 SAMSUNG All rights reserved ...
Страница 47: ...5 PCB Diagram 5 4 SMPS PCB Top HT H4500 Only C N M8 0 1 1 Copyright 1995 2013 SAMSUNG All rights reserved 5 6 ...
Страница 49: ...5 PCB Diagram 5 5 SMPS PCB Bottom HT H4500 Only Copyright 1995 2013 SAMSUNG All rights reserved 5 8 ...
Страница 50: ...5 PCB Diagram 5 6 SMPS PCB Top HT H5500W Only C N M8 5 1 1 5 9 Copyright 1995 2013 SAMSUNG All rights reserved ...
Страница 52: ...5 PCB Diagram 5 7 SMPS PCB Bottom HT H5500W Only 5 11 Copyright 1995 2013 SAMSUNG All rights reserved ...
Страница 57: ...6 Schematic Diagram 6 4 1 Test Point Wave Form TP2 TP3 Copyright 1995 2013 SAMSUNG All rights reserved 6 5 ...
Страница 68: ...6 Schematic Diagram 6 14 1 Test Point Wave Form TP1 6 16 Copyright 1995 2013 SAMSUNG All rights reserved ...
Страница 70: ...6 Schematic Diagram 6 16 SMPS HT H4500 Only 6 18 Copyright 1995 2013 SAMSUNG All rights reserved ...
Страница 72: ...6 Schematic Diagram 6 18 SMPS 2 HT H5500W Only 6 20 Copyright 1995 2013 SAMSUNG All rights reserved ...