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VESTEL ELEKTRONK A..

CHANGE BULLETIN (TCN)

CHANGE NO: 54 REF NO :-

AFFECTED MODELS: 90o AND 14" MODELS WITH 11AK19 CHASSIS, 170-270V POWER SUPPLY. START DATE : 16.08.1999 REASONS OF CHANGE: DELIVERY PROBLEMS OF MC44604 SMPS CONTROLLER IC. NOTE 1:A SERIAL 3V6 ZENER HAS TO BE ADDED TO THE 11V ZENER (THE CATHODE OF THE 11V ZENER HAS TO BE CONNECTED TO THE ANODE OF 3V6 ZENER). LATERON THESE TWO DIODES WILL BE REPLACED WITH ONE 15V ZENER. NOTE 2: PIN15 OF MC44603 IC HAS TO BE CUT BEFORE ASSEMBLY. NOTE 3: NORMAL 3V6 ZENER DIODE HAS TO BE ADDED FROM SOLDER SIDE (THE CATHODE SHOULD BE CONNECTED TO R537) UNTIL SMD 3V6 DIODE IS AVAILABLE. NOTE 4: SERIAL CONNECTED TO D606 NOTE 5: TWO BYW95A DIODES HAVE TO BE CONNECTED IN SERIES AND HAVE TO BE ASSEMLED AT THE SAME POSITION. OUT NO 1 2 3 4 5 6 7 8 9 10 11 12 13 NO 1 2 3 4 5 6 7 8 9 10 11 12 13 15 16 17 PCB CODE 11AK19 " " " " " " " " " " VESTEL CODE 30000599 30000466 30000074 30001128 30000815 30000283 30001349 30000594 30002583 30000593 30000525 30001499 30002583 VESTEL CODE 30000495 30000718 30000384 30001107 30002583 30003722 30000696 30000688 30000664 30007761 30000475 30000475 30001235 30001478 30001307 30001235 COMPONENT NAME RES CF 1/4W 220K RES CF 1/4W 1K CAP MKT 100nF 63V RES MO 2W 22K J RES CF 1/4W 8.2K J CAP CER 1nF 50V K DIODE ZENER 11V RES CF 1/4W 22K J JUMPER SMD RES SMD 1/10W 2.2K J RES CF 1/2W 1K5 J IC MC44604 JUMPER WIRE IN COMPONENT NAME RES CF 1/4W 1.2K J RES CF 1/4W 4.7K J CAP EL 2.2uF 50V RES MO 3W 15K J JUMPER WIRE DIODE ZENER 15V RES SMD 1/10W 39K J RES SMD 1/10W 390R J RES SMD 1/10W 3K3 J DIODE ZENER 3V6 RES SMD 1/10W 10K J RES SMD 1/10W 10K J RES FUSE 1/2W 0.33R J IC MC44603AP DIODE BYW95A RES FUSE 1/2W 0R33 J POSITION NUMBER R821 R809 C807 R806 R808 C855 D819 R810 S801 R537 R815 IC802 R802,R803 POSITION NUMBER R821 R809 C807 R806 R808 D819 R887 R537 R883 D820 R885 R886 RXXX IC802 D814,D815 R802,R803 QUANTITY

(NOTE-1)

2 QUANTITY

PCB CODE 11AK19B-2 " " " " " " " " " " " " " " "

(NOTE-1)

(NOTE- 3)

(NOTE-4) (NOTE-2) (NOTE-5) 2

CUSTOMER SUPPORT ENGINEER ARZU ÇIDARER

PRODUCTION SUPPORT CHIEF YILDIRAY BAKURT

PRODUCTION SUPPORT MANAGER CELAL ÖZKUL

KALT-F.04-00.04