Make | Model | Problem | Solution | Date |
| | | |
Found: 374
|
B & O | L2500 | Servicing the L2500 | Picture on cover & layout. | 14-09-04 |
B & O | L2500 L | Stuck in standby. | BU508 s/c. | 14-09-04 |
|
B & O | L2502 | No sound | IC101 pin 7 (5.9v) = 0v C111 100µ 25v s/c | 14-09-04 |
B & O | L2502 (3866) | Dead & squealing | Resolder a mass of dry joints on the PSU & line output panel then replace the short circuit line output transistor (TR11) S2000A3. | 14-09-04 |
B & O | L2502 3866 | Int starting , chopper drive present. If pin 3 IC1 , LM358 low check R14 & R16 , 220k. | If still no go , check TR20 on Tuner IF PCB . | 14-09-04 |
B & O | L2505 | st/by only after short squeal at sw on | lop tr TR11 S2000A3 s/c and resolder dry joints esp at C34 6n8 | 14-09-04 |
B&O | L2500 | psu shutdown | line dr tr 4TR15 BC328-25 o/c b-c | 14-09-04 |
Hitachi | CL2114 | Goes to stby immediately after switch on. +B with no load is 130V. Should be 115. | Resistor 39K near +B adjustment pot has gone high to 48K. To troubleshoot, overvoltage thyristor near to LOPT may be pulled off the chassis. However be cautious with overvoltages! | 14-09-04 |
Hitachi | CL2114 | Goes to stby immediately after switch on. +B with no load is 130V. Should be 115. | Resistor 39K near +B adjustment pot has gone high to 48K. To troubleshoot, overvoltage thyristor near to LOPT may be pulled off the chassis. However be cautious with overvoltages! | 14-09-04 |
Hitachi | CL2524R | Dead | Replace LOPTr BU2508AF, check R951, 952, 953, 954 &Q703 thy | 14-09-04 |
Hitachi | CL2524R | Lack of height with no adj | TDA8362 | 14-09-04 |
Hitachi | CL2864TA | Dead except for flasing red led | D704 BY228 on lop sub panel s/c | 14-09-04 |
Hitachi | CL2864TA | Hum on sound with pic instability | Replace C916, C942 & C957 in psu | 14-09-04 |
Hitachi | CL2864TA | PSU tripping - went off with a bang | Overload on LOP caused by IC800 TEA5101A RGB o/p chip s/c | 14-09-04 |
Hitachi | G7PSL2 | St/by only | ZD903 130v zener s/c; C906 4µ7 250v hi esr; R901 6R8 5w o/c;Q903 BUT12AF s/c; F901 2.5A o/c - all caused by dry joints T901 | 14-09-04 |
Philips | 5GFL2.30E AA | Dead aft storm - led green for 40secs then red | FSS supply not working - fit FSS supply kit - includes module Pt no 4822 310 32214 | 14-09-04 |
Philips | FL2.14 | "NVM write protection enabled" message on screen. | Startup problem or 'NVM write protection enabled' message on screen
after replacement of NVM
(ST24C08CB1; 4822 209 32283) with a ST24C08CB6 (4822 209 33113).
Use as replacement the ST24C08 1 (9311 021 36682). | 14-09-04 |
Philips | FL2.14 | 100Hz cross | Possible solutions:
1. Interrupt on the SSP the 50Hz Y-signal, between pin 11 position
IC7324 (TDA4568) and pin 11 position IC7395 (TDA8443), by
deleting position 4302.
Repair the connection by means of a shielded cable of 16cm long,
m | 14-09-04 |
Philips | FL2.14 | 22AV1440 is switched on by external VCR when FL1 is switched off | Connect 4 diodes of type BAT 85 to inputs of IC7630 on SSP.
1 diode between pin 3/IC7630 and +5V, cathode to +5V.
1 diode between pin 5/IC7630 and +5V, cathode to +5V.
1 diode between pin 3/IC7630 and -8V, anode to -8V.
1 diode between pin 5/IC7630 and -8 | 14-09-04 |
Philips | FL2.14 | 50Hz buzz noticable through speaker | Check/replace IC7680 on the SSP - TDA8425, pseudo stereo IC.
(4822 209 63734).
| 14-09-04 |
Philips | FL2.14 | Adaption of Service Information FL93.05 | Adaption of Service Information FL93.05
---------------------------------------
From 93-06-24 onwards the definition of optioncode 4 has been
changed.
From this day onwards the definition is as follows:
1 TXT peaking filter on/off for LFR box (Scandina | 14-09-04 |
Philips | FL2.14 | After 10 minutes picture becomes red from right side | C2395 on the LSP poorly soldered.
| 14-09-04 |
|
Philips | FL2.14 | Antenna input: no sound. External input: sound O.K. | Check whether crystal 1602 (stereo decoder) 10MHz oscillates.
If not replace X1602 (4822 242 80276).
| 14-09-04 |
Philips | FL2.14 | Bad focus or focus varies in a new set or after CRT replacement | Possible solution:
Short circuit the focus and the G2 pins of the picture tube with the
aquadag coating. Switch the set on for approximately 5 seconds.
After this return the set to its original condition. Check if the
focus adjusted normally. If not repla | 14-09-04 |
Philips | FL2.14 | Bad pict. No menu. Dark bars over pict. Red pict. in dig.scan mode. | +5V was 4,3V instead of 5,1V.
IC7551 (LM358N 4822 209 70672) defective.
IC7209 (SAA7158 4822 209 31059) Bendic defective.
| 14-09-04 |
Philips | FL2.14 | Bad picture. Picture scrolls. No RC reaction. | +5V was 4,1V instead of 5,1V. Replace IC7551 (LM358N; 4822 209 70672)
| 14-09-04 |
Philips | FL2.14 | Blank picture. OSD not synchronised and too large, no TXT. | Check/replace memory IC 7900 (ST24C08CB1; 4822 209 32283).
| 14-09-04 |
Philips | FL2.14 | BUX85F in mikroSOPS defective | Change the value of C2260 to 4n7F, replace 7270 with transistor
BD825 (4822 130 41746).
| 14-09-04 |
Philips | FL2.14 | Colored picture or picture is green/red, fly-back lines | Check zenerdiode 6450 on pin 19-IC7430 on the LSP. New diode must
be Philips (Telefunken does not work), 4822 130 81512
| 14-09-04 |
Philips | FL2.14 | Coloured spot on screen during switch-off | Replace R3037 by 1k3 (4822 051 10132).
REMARKS :
Introduced in production from week 9334 onwards.
| 14-09-04 |