PHILIPS FWC780
Manual de Servicio

FRONT DISPLAY BOARD *From production week 0110 onwards pt.2 Board (identified by the last digit of the 12NC - 3139 113 34472) is introduced. For this reason new layout and circuit drawing are enclosed. Reason : Solution for tuner-locking issue. Add 6415 4822 130 11397 BAS316 Change 3409 4822 117 12925 47k 1% 0,063W Delete 3405 Reason : ESD solution. Add 2585 4822 126 13883 2586 4822 126 13883 2587 3198 017 41050 2588 4822 126 13879 2589 3198 017 41050 5408 4822 157 62552 5409 4822 157 62552 Change 2563 5322 126 11583 Delete 9513, 9514 Bare wires 220pF 5% 50V 220pF 5% 50V 1uF 10V 220nF +80/-20% 16V 1uF 10V Coil 2,2uH 5% Coil 2,2uH 5% 10nF 10% 50V

MMPWR 100W MODULE - MAINS BOARD *During production pt.7 Board (identified by the last digit of the 12NC - 3139 113 34337) is introduced. For this reason new layout and circuit drawing are enclosed. MMPWR 100W MODULE - L/R AMP. & SUPPLY BOARD *From production week 0121 onwards the following has been changed to increase Fan speed. Change 3304 4822 052 10108 3305 4822 116 83876 3306 4822 116 83876
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1R 5% 0,33W 270R 5% 0,5W 270R 5% 0,5W

*From production week 0121 onwards the following has been changed for NTC sensitivity adjustment. Add 3292 4822 116 52263 Change 6258 4822 130 34173 2k7 5% 0,5W BZX79-B5V6

*From production week 0115 onwards the software of the main processor IC (7400) has been upgrade to version 14. The new service code is 9965 000 10407. *From production week 0126 onwards the following has been changed to lower ADC step from 255 to 253 so as to solve irregularly power-up recording problem. Add 3524 4822 051 30109 Delete 4405 10R 5% 0,062W

*From production week 0121 onwards pt.4 Board (identified by the last digit of the 12NC - 3139 113 34344) is introduced. For this reason new layout and circuit drawing are enclosed. Reason : For EMC solution. Add 2370 2371 2372 3395 2020 561 90365 2020 561 90365 4822 126 12878 4822 116 52175 100nF +80/-20% 50V 100nF +80/-20% 50V 1,5nF 10% 16V 100R 5% 0,5W (For /22/30/34/37 only) (For /21 only)

AF9 BOARD *From production week 0110 onwards pt.3 Board (identified by the last digit of the 12NC - 3139 113 34353) is introduced. Reason : For process, EMC & ESD improvement. Add 2950 4822 126 13881 470pF 5% 50V 2951 4822 126 13881 470pF 5% 50V 2952 4822 122 31765 100pF 2% 63V 2953 4822 126 13881 470pF 5% 50V 3820 4822 116 52176 10R 5% 0,5W 4921 4822 051 30008 0R Jumper 0603 Change 6206 4822 130 31878 1N4003G Delete 9614 Bare wire *From production week 0122 onwards the following has been changed for GSM solution. Add 3525 4822 051 30471 3526 4822 051 30471 3645 4822 051 30221 3646 4822 051 30221 4153 4822 051 30008 4641 4822 051 30008 4642 4822 051 30008 Delete 3641, 3642 470R 5% 0,062W 470R 5% 0,062W 220R 5% 0,062W 220R 5% 0,062W 0R Jumper 0603 0R Jumper 0603 0R Jumper 0603

Add

9333 Bare wire

*From production week 0137 onwards the following has been changed for EMC performance. Change 2330 4822 122 33519 2335 4822 122 33519 Delete 2328, 2331 470pF 10% 50V 470pF 10% 50V (For /22/30/34/37 only)

*From production week 0133 onwards the following has been changed to solve capacitor current leakage issue. Change 2503 2504 2511 2512 4822 124 22466 4822 124 22466 4822 124 22466 4822 124 22466 1uF 20% 50V 1uF 20% 50V 1uF 20% 50V 1uF 20% 50V

*During production pt.4 Board (identified by the last digit of the 12NC � 3139 113 34354) is introduced. For this reason new layout and circuit drawing are enclosed.