Daewoo DTR Series Especificaciones descargar pdf (Pagina 51)

2. NO PICTURE(RASTER OK)

CHECK VIDEO SIGNAL

AT PIN 13 OF I501(TDA8842)

[REFER TO WAVEFORM ¤Ø]

NORMAL

ABNORMAL

CHANGE INPUT MODE

RF¤AAV ¤AAV ¤ARF

CHECK WAVEFORM AT

PIN 29, PIN 30 OF I501

CHECK PICTURE CONDITION

NORMAL¥, NORMAL¥–

FAVOURITE

CHECK / REPLACE

I701

& PERIPHERAL

COMPONENT

CHECK / REPLACE

I501

CHECK WAVEFORM

AT PIN 19, 20, 21

OF I501

CHECK VIDEO SIGNAL

AT CATHOD OF CRT

[REFER TO WAVEFORM

¤ı§ §æ

]

CHECK SIGNAL

AT PIN 18

OF I501

CHECK / REPLACE

CRT

CHECK VOLTAGE

VIDEO B+,

HEATER

CHECK

HORIZONTAL

CIRCUIT PARTS

CHECK / REPLACE

AT PIN 40, 41, 42

OF I701

CHECK / REPLACE

I901, I902, I903

(CRT BOARD)

CHECK / REPLACE

Q705,Q706,Q707

Q708,Q709,Q710

CHECK /

REPLACE

Q702, Q703

CHECK /

REPLACE

R759,R720

I703(UPC574J)

CHECK BAND SELECT

VOLTAGE AT BL,BH,BU

& B+ VOLTAGE

OF TUNER

CHECK TUNING VOLTAGE

AT VT OF TUNER

CHECK / REPLACE TUNER

CHECK 33V LINE

CHECK / REPLACE

Q101, Q102, SF101

CHECK / REPLACE

I501

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