7-10
4. ON SCREEN MANAGER (OSM) FAILURE
Check the pulses 5Vp-p at IC791 pins 13(R), 15(G), 17(B) and
12(blanking) on the VIDEO PWB (PWE-567A). when EXIT, CONTROL
or PROCEED SW is pressed.
OK
NG
Check the pulse 5Vp-p at IC791 pin 18 on the VIDEO PWB (PWE-567A).
NG
OK
Check the pulse 5Vp-p at IC791 pin 19 on the VIDEO PWB (PWE-567A).
NG
OK
Check the OSM signals output
・
IC711 failure
Check the H sync input
・
Q791 or its ambient circuit failure
・
CN-AF failure
・
Q5E1 or its ambient circuit failure
(on the DEF PWB(PWE-624))
Check the V sync input
IC7A1, Q793, Q794, Q795, Q7A2 or their ambient circuit failure.
・
IC791 and its ambient circuit failure
・
Digital control circuit failure (see item 12)
Содержание MultiSync FP1370
Страница 13: ...4 4 REMARK SYMBOL Mount the EMF PWB 121E REMARK SYMBOL Clamp the connector ...
Страница 14: ...4 5 REMARK SYMBOL COIL FORMING UPPER SIDE REMARK SYMBOL COIL FORMING LOWER SIDE ...
Страница 23: ...4 14 REMARK SYMBOL REMARK SYMBOL Clamp CN CA CN CC and CN D with CLAMPER WIRE ...
Страница 26: ...4 17 REMARK SYMBOL Clamp the wires SAFETY REMARK SYMBOL Clamp the wires CN ASD CN AF 21 ...
Страница 80: ...5 51 Fig 3 11 CONV PWB Fig 3 12 EMF PWB CN EMF CN LL CN RR CNEM CN CA CN D CN CCB HS8N1 ...
Страница 143: ...8 18 15V 80V AFC D FOCUS Fig 3 1 HIGH VOLTAGE CIRCUIT AND PROTECTOR CIRCUIT ...
Страница 260: ...10 1 ...
Страница 261: ...10 2 ...
Страница 262: ...10 3 ...
Страница 263: ...10 4 ...
Страница 264: ...10 5 ...
Страница 266: ...for Human Potential ...
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