DW
3
U
TROUBLESHOOTING FLOW CHARTS
56
[Terminal PWB circuit tro
A
uble shooting]
(For in depth Troubleshooting Flowchart see page 1
3
5)
No picture, no color or dark
A
Are waveforms at
Q013-E(Y), Q012-E(PB) and Q011-E(PR)
OK?
Yes
No
Analog format signal
NTSC, composite, s, component
Digital format signal
HDMI
Cable/Air
Check Main-Digital board
Are waveform at
pin26(CV) of I001 OK?
Cable/Air
Component video input
Composite video input
Check Input terminal
Check IT06, IT07
or Main-Digital board
Check UT01 (Tuner)
Are waveforms at
pin73/67(Y), 71/65(PB) 69/63(PR)
pin10/22/53(CV) pin14(Y), 12(C)
of I001 OK?
Yes
Yes
Yes
No
No
No
Check I001
Are waveforms at
pin 9(SDA), 10(SCL) and
voltage at pin 2/7/18/20(+5V)
of UT01 OK?
No
Is the indication
[LOCK] ?
Yes
Follow next procedure:
(1) Select ‘Maintenance’ of Adjustment mode menu.
(2) Press SELECT. (while ‘<Display>’ at “Front End” lights yellow.)
(3) Check the indication of ‘Frame/MPEG Lock’ line.
Check UT01 (Tuner)
Check Main-Digital board
Summary of Contents for Director's P60X901
Page 66: ...DW3U 65 FINAL WIRING DIAGRAM TABLE OF CONTENTS ...
Page 82: ...FINAL ASSEMBLY GUIDE TABLE OF CONTENTS 81 DW3U ...
Page 83: ...FINAL ASSEMBLY GUIDE 82 DW3U ...
Page 84: ...FINAL ASSEMBLY GUIDE 83 DW3U ...
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Page 97: ...FINAL ASSEMBLY GUIDE 96 DW3U ...
Page 112: ...BACK TO TABLE OF CONTENTS 111 PRINTED CIRCUIT BOARDS DW3 U TERMINAL PWB Component side DW3 U ...
Page 113: ...PRINTED CIRCUIT BOARDS DW3 U TERMINAL PWB Solder side DW3 U 112 ...
Page 115: ...PRINTED CIRCUIT BOARDS DW3 SD CARD PWB Included on Terminal PWB Ass y DW3 U 114 Solder side ...
Page 117: ...PRINTED CIRCUIT BOARDS DW3 U FILTER PWB Component side DW3 U 116 Component side ...
Page 118: ...PRINTED CIRCUIT BOARDS DW3 U FILTER PWB Solder side DW3 U 117 Solder side ...
Page 121: ...PRINTED CIRCUIT BOARDS DW3 U POD PWB DW3 U 120 Component side ...
Page 122: ...PRINTED CIRCUIT BOARDS DW3 U POD PWB DW3 U 121 Solder side ...
Page 123: ...PRINTED CIRCUIT BOARDS DW3 U SWITCH PWB DW3 U 122 Component side Solder side ...
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