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Fault: VERTICLE JITTER
Symptom: A NOTICEABLE VERTICLE FRAME
JITTER.
Cause:
CAPACITOR TOLLERANCES.
Cure:
CHANGE C604 FROM 270pF TO 100pF
PART No 0890074
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Model: C2514T
Subject:
Fault:
Symptom:
Cause:
Cure:
COLOUR TV
VERTICAL STAGE
FAILURE OF IC601
REPEATED FAILURE OF IC601
STATIC DISCHARGE FROM CRT
FIT 10nF 50V CAPACITOR ACROSS
FRAME O/P PLUG E701 FIT CAPACITOR ON
PRINT SIDE OF PCB AND SECURE WITH HOT
MELT. CAPACITOR PART NO. 0880044
REMOVE R613 FROM COMPONENT SIDE AND
FIT ON PRINT SIDE BETWEEN PIN 1 OF IC
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Model: C2514T
COLOUR TV
Subject: VERTICAL STAGE
Fault: FAILURE OF IC601
601 AND JUNCTION OF R612 AND HOLE
VACATED BY R613.
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Model: C2514T
COLOUR TV
Subject: VERTICAL STAGE
Fault: REPEATED FAILURE OF FRAME O/P IC601
SECTION: DFL FRAME DEFLECTION
CONDITION: 1
Symptom: 316
DEFECT: Q
REPAIR: A REPLACE IC 601.CONNECT TWO
33V ZENER DIODES IN SERIES.CONNECT THE
ANODE TO PIN 1 OF IC601 AND CATHODE TO
PIN 2 OF IC601.SECURE WITH HOT MELT.
PART # ZENER DIODE PACK A531213
IC 601 J2003951
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Model: C2514T
COLOUR TV
Subject: HORIZONTAL STAGE
Fault: NO ON SCREEN DISPLAY
Symptom: NO ON SCREEN DISPLAY,(CHAN NO
VOL/COL/ETC LEVELS
Cause:
O/C DIODE
Cure:
CHECK / REPLACE D703 / D704
PART NUMBER J2348921M TYPE IN4531
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 Technical Services Division, Hitachi Home Electronics (Europe) Ltd., London.
Page: 374