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PHILIPS AA5 (AA) Chassis 1
Recommended Safety Parts Recommended Safety Parts Teletext Adjustments 2. For 4 page teletext execution the possibility to
store 4 pages:
1.4 Vertical centring
Can be adjusted by eventually mounting one of
Main carrier (component side)
Item Part No. Description Item Part No. Description - 1 display memory; for the page displayed on the resistors R3401 and/or R3408.
Description diagram E the TV screen
4822 256 92053 Fuse holder 3448 4822 052 10108 1ohm 5% 0.33W Teletext - 3 background memories; for reducing the 1.5 Focusing
4822 276 12597 Mains switch 3448 4822 052 10109 10 ohms 5% 0.33W waiting time Is adjusted with the focusing potentiometer in
4822 265 30389 2 pins male for degeussing 3448 4822 052 11568 5 ohms 6 5% 0.5W There are 2 different executions for teletext - the content of the 3 background memories the line output transformer.
4822 265 40596 2 pins male for mains 3449 4822 052 10108 1ohm 5% 0.33W processing; a 1 page TXT execution by teletext depends on the teletext system. De-
4822 267 60243 21 pins euroconnector 3452 4822 052 10108 1ohm 5% 0.33W decoder IC7700 only or a 4 page TXT execution
1001 4822 210 10448 UV915E/IEC 3452 4822 052 10478 4 ohms 7 5% 0.33W
pending on the transmission the teletext 1.6 IF filter (only for sets with SECAM LL'
1001 4822 210 10459 UV913/IEC
by teletext decoder 107700 and extra micro- decoder selects one of the following possibili- reception possibility):
3452 4822 052 11109 10 ohms 5% 0.5W
1001 4822 210 10464 U943C/IEC 3454 4822 052 11102 1k 5% 0.5W
processor IC7702: ties: Connect a signal generator (e.g. PM5326) via a
1001 4822 210 10554 UV917/IEC 3470 4822 052 10478 4 ohms 7 5% 0.33W * WST: page -1, page +1, page +2 capacitor of 5p6 to pin 17 of the tuner and
1500 4822 070 33152 3.15 A fuse 3470 4822 052 10828 8 ohms 2 5% 0.33W * 1 page TXT by teletext decoder IC7700; * FLOF: 3 pages coupled to the coloured RO- adjust the frequency for 40.4 MHz.
1540 4822 071 58001 800 mA fuse 3501 4822 116 40137 PTC/PTC/36 ohms / 265V For the 1 page teletext execution a 40 pins buttons (red/green/yellow) Connect an oscilloscope to pin 1 of filter 1015.
1710 4822 071 52501 250 mA fuse 3503 4822 053 21475 4M7 5% 0.5W SAA5254 VT 1.1 (VIP + ECCT + 1 k RAM * TOP: next group, next page and basic top Switch on the set and select system Europe
2015 4822 124 41525 100uF 20% 25V 3504 4822 053 21475 4M7 5% 0.5W memory) teletext decoder is used with built-in 1k
2041 5322 126 10223 4.7nF 10% 63V 3523 4822 050 24708 4 ohms 7 1% 0.6W
table (BG/L is "low" for BGIDK reception).
RAM memory. This teletext decoder makes use Adjust L5012 for a minimum amplitude.
2043 5322 126 10223 4.7nF 10% 63V 3533 4822 050 24703 47k 1% 0.6W
2044 5322 126 10223 4.7nF 10% 63V 3544 4822 052 10108 1 ohm 5% 0.33W
of the central microprocessor 107600 and is The main functions of both IVT teletext
2080 5322 122 32654 22nF 10% 63V 3547 4822 050 21802 1k8 1% 0.6W controlled via the 120 bus (at pins 24-25 decoders: 1.7 AFC
2101 5322 126 10223 4.7nF 10% 63V 3554 4822 053 11689 68 ohm 5% 2W 107700). 1. Analogue part for: a. For sets with SECAM LL' reception possibility:
2117 5322 126 10223 4.7nF 10% 63V 3557 4822 053 11271 270 ohms 5% 2W * 4 page TXT by teletext decoder IC7700 and * Sync-separation Connect a signal generator (e.g. PM5326) as
2125 5322 122 32654 22nF 10% 63V 3617 4822 051 20472 4k7 5% 0.1W extra microprocessor IC7702; * Teletext data extraction indicated in point 1 .6. Connect a voltmeter to
2151 4822 122 33177 10nF 20% 50V 3623 4822 051 10103 10k 2% 0.25W For the 4 page teletext execution a 48 pins
2157 4822 124 41525 100uF 20% 25V 5443 4822 157 51462 10uH10%
* Data clock regeneration pin 44 of IC7015/6A.
SAA5281 VT 1.8 (VIP + ECOT +4k RAM * Transfer of clock, data and composite sync Adjust the frequency for 33.9 MHz and select
2157 5322 122 34123 1nF 10% 50V 5445 4822 140 10406 Line output transformer
2158 5322 126 10223 4.7nF 10% 63V AT2079/40
memory) teletext decoder with 4k built-in RAM signals to the digital part system France (L/L' is "high" for L' reception).
2170 4822 122 33177 10nF 20% 50V 5453 4822 157 51462 10uH 10% and an extra