E1-8-11
Check the line between the emitter of Q104 and
the video output terminal (JK101).
FLOW CHART NO.12
Video E-E does not appear.
Is the Video signal inputted to Pins(48,50,52,54) of
IC301?
1) In the external input mode
2) In the U/V tuner mode
Check the line between the video input
terminal (JK101) and Pin(50) of IC301.
Check the line between the video input
terminal (JK102) and Pin(52) of IC301.
Check the line between the video input
terminal (JK653) and Pin(54) of IC301.
Check the line between Pin(24) of the U/V tuner
and Pin(48) of IC301.
Yes
Yes (Pin 63)
Yes
Yes
Yes
Yes
Yes
No
Yes (Pin 61)
Yes
No
No
No
No
No
No
Is the Video signal outputted to Pins(61,63) of IC301?
Is the Video signal outputted
to the emitter of Q103?
Is the Video signal outputted to Pin(4) of IC751?
Check IC301, X301, etc.
No
Replace Q103.
Check Q752 and the OUTPUT SEL line.
Replace IC751.
Check the line between the
emitter of Q103 and the
video output terminal(JK102).
Check the line between Pin(4) of IC751 and Q104.
Check the AL+12V line (R752, D751)
and the AL-30V line (R751,R753).
Is the "L" pulse inputted into Pin(9) of IC751?
Is approx. 10V voltage supplied to Pin(16)
of IC751, or approx. -8V voltage supplied to
Pin(7) of IC751?
Is the Video signal outputted to the emitter of Q104?
Check the periphery of Q104 and Pin(6) of the
U/V tuner .
Replace IC501.
Содержание DVPF2E
Страница 45: ...E2 2 6 S 12 19 Cap Belt Fig DM11 Fig DM12 20 C 1 21 ...
Страница 69: ...4 1 4 Main 1 8 Schematic Diagram ...
Страница 71: ...4 1 6 Main 3 8 Schematic Diagram ...
Страница 72: ...4 1 7 Main 4 8 Schematic Diagram ...
Страница 73: ...4 1 8 Main 5 8 Schematic Diagram ...
Страница 74: ...4 1 9 Main 6 8 Schematic Diagram ...
Страница 76: ...4 1 11 Main 7 8 Schematic Diagram ...
Страница 77: ...4 1 12 Main 8 8 Schematic Diagram ...
Страница 81: ...4 1 16 AFV Schematic Diagram ...
Страница 83: ...4 1 18 Main CBA Bottom View ...
Страница 85: ...4 1 20 Function CBA Top View Function CBA Bottom View ...
Страница 86: ...4 1 21 Front Jack CBA Top View Front Jack CBA Bottom View ...
Страница 89: ...4 1 24 DVD Main 1 4 Schematic Diagram ...
Страница 90: ...4 1 25 DVD Main 2 4 Schematic Diagram ...
Страница 91: ...4 1 26 DVD Main 3 4 Schematic Diagram ...
Страница 92: ...4 1 27 DVD Main 4 4 Schematic Diagram ...