-44-
TROUBLE SHOOTING CHARTS
1. NO RASTER
CHECK MAIN
B+(133V)
NORMAL
ABNORMAL
CHECK VOLTAGE
CHECK HEATER VOLTAGE
OF C804(220MF)
VIDEO B+(220V) LINE
295VDC AT AC 220V
28V & 15V
NORMAL
NORMAL
ABNORMAL
ABNORMAL
CHECK/ REPLACE
CHECK/REPLACE
CHECK Horizontal
F801
I801
plose AT PIN 24 OF I501
(STR-F6656)
NORMAL
CHECK/REPLACE
ABNORMAL
D802~D805,R803
CHECK/REPLACE
CHECK VCC
I802(LTV-817C)
AT PIN 25(3.3V) OF I501
NORMAL
CHECK VOLTAGE AT
PIN 1 OF I501
CHECK SIGNAL AT
ST-BY:L
PIN 59,60 OF I501
POWER ON:H
CHECK VOLTAGE AT
CHECK / REPLACE
CHECK / REPLACE
PIN
I806(3.3V)
I501
15(5V), 25(3.3V),45,54, of I501
I804(5V),Q508,Q509
NORMAL
ABNORMAL
CHECK SIGNAL AT PIN
CHECK / REPLACE
59(SCL), 60(SDA)
Q402, Q401,T402
OF I501
R404,D401
CHECK / REPLACE
CRT BLOCK
CHECK/REPLACE
X501(20.25MHZ), I501
CHECK VOLTAGE AT
PIN 15(5V), 25(3.3V)
45(5V), 54(3.3V)
Содержание DTC-29M5ME
Страница 5: ...4 3 CIRCUIT BLOCK DIAGRAM...
Страница 21: ...20 8 Schmetic Diagram...
Страница 22: ...21 9 Printed Circuit Board CM 907...
Страница 23: ...22 9 Printed Circuit Board CM 907F...
Страница 24: ...23 9 Printed Circuit Board Union...
Страница 53: ...PRINTED DATE Feb 2003...