XG-PH70X/XG-PH70X-N (1st. Edition)
4 – 4
Check Audio signal input of PC2.
Go to "Checking the Audio circuit"
Are there signal at C414 output?
Are there signal at C417 output?
NO
Check C414, C417 and their peripheral circuits.
YES
Are there signal at pin (7) of IC402 and IC404?
NO
Check IC402, IC404 and their peripheral circuits.
YES
Are there signal at C445 output?
Are there signal of C447 output?
NO
Check C445, C447 and their peripheral circuits.
YES
CN3001 is not stable or breakdown.
Check Audio output signal.
Go to "Checking the Audio circuit".
Are there signal at C415 output?
Are there signal at C416 output?
NO
Check C415, C416 and their peripheral circuits.
YES
Are there signal at pin (1) of IC401 and IC403?
NO
Check IC401, IC403 and their peripheral circuits.
YES
Are there signal at C446 output?
Are there signal at C448 output?
NO
Check C446, C448 and their peripheral circuits.
YES
CN3001 is not stable or breakdown.
Checking the Main unit.
Check output signal of input1 and 2.
Are there signal at R3045, R3047 and R3049 output?
NO
Check R3045, R3047, R3049 and their peripheral circuits.
YES
Are there signal at pin (2) of FL3006, FL3007 and FL3009
input?
NO
R3045, R3047 and R3049 are breakdown.
YES
Are there signal at pin (1) of FL3006, FL3007 and FL3009 out-
put?
NO
FL3006, FL3007 and FL3009 are breakdown.
YES
CN3001 is not stable or breakdown.
Summary of Contents for XG-PH70X - XGA DLP Projector
Page 59: ...XG PH70X XG PH70X N 1st Edition 4 17 MEMO ...
Page 65: ...XG PH70X XG PH70X N 1st Edition 6 2 11 13 12 14 15 16 18 19 17 ...
Page 66: ...XG PH70X XG PH70X N 1st Edition 6 3 1 2 3 4 5 6 7 9 10 8 J A B C D E F G H I MAIN Unit Side B ...
Page 67: ...XG PH70X XG PH70X N 1st Edition 6 4 11 13 12 14 15 16 18 19 17 ...
Page 125: ...XG PH70X XG PH70X N 1st Edition 8 43 11 13 12 14 15 16 18 19 17 NC ...
Page 127: ...XG PH70X XG PH70X N 1st Edition 8 45 11 13 12 14 15 16 18 19 17 ...
Page 129: ...XG PH70X XG PH70X N 1st Edition 8 47 11 13 12 14 15 16 18 19 17 µ NC NC NC NC ...
Page 131: ...XG PH70X XG PH70X N 1st Edition 8 49 11 13 12 14 15 16 18 19 17 NC NC 47uF 50V NP NC NC NC ...
Page 133: ...XG PH70X XG PH70X N 1st Edition 8 51 11 13 12 14 15 16 18 19 17 ...
Page 135: ...XG PH70X XG PH70X N 1st Edition 8 53 11 13 12 14 15 16 18 19 17 ...
Page 137: ...XG PH70X XG PH70X N 1st Edition 8 55 11 13 12 14 15 16 18 19 17 NC NC NC ...
Page 139: ...XG PH70X XG PH70X N 1st Edition 8 57 11 13 12 14 15 16 18 19 17 NC NC NC NC NC ...
Page 141: ...XG PH70X XG PH70X N 1st Edition 8 59 11 13 12 14 15 16 18 19 17 ...
Page 143: ...XG PH70X XG PH70X N 1st Edition 8 61 11 13 12 14 15 16 18 19 17 ...