| Make | Model | Problem | Solution | Date |
| | | |
| Found: 4551
|
| Philips | FL1.20 | Overview of SOPS repair kits | Overview of SOPS repair kits
----------------------------
FL1.0 AG00 upto AG03 4822 310 20492
FL1.0 AG04 and higher 4822 310 31921
FL1.1 25" and 28" 4822 310 31919
FL1.1 33" 4822 310 31932
FL1.2 4822 310 31932
FL1.6 | 14-09-04 |
| Philips | FL1.20 | Picture twists from top | Voltage of pin 8-IC7450 (TDA3654Q) on the LSP has raised to ca. 20 V.
Check diode 6451 (BZX79/C3V6; 5322 130 34834 or
BZX79/C10; 4822 130 61219)
| 14-09-04 |
| Philips | FL1.20 | Set inoperative only red or green LED. Supply was 141V but no EHT. | Line drive puls for T7506 (2SC4288A) too low.
L5503 defective (Line drive coil; 4822 157 63252)
| 14-09-04 |
| Philips | FL1.20 | Sometimes vibration in vertical direction. | Replace C2410 (150nF 5%; 4822 121 41854) on LSP.
| 14-09-04 |
| Philips | FL1.20 | Supply +5V too low, black horizontal bar in picture. Bad sync. | Check/replace IC7551 (LM358N; 4822 209 70672)
| 14-09-04 |
| Philips | FL1.20 | Supply switch-off sometimes | Check the +5 stand-by. This voltage has to be 5.5V and may not vary.
When the voltage drops below 5.2V the set switches-off.
Cure: check D6266 for leackage (BZX79/F6V8; 4822 130 34278) or check
T7268 for leackage (BD943F; 4822 130 62742).
The 5.5V is meas | 14-09-04 |
| Philips | FL1.20 | Various faults can be observed. | Check the earth connection from the SSP: connect earth tuner with
earth line output transformer (LSP) to find-out whether the problem is
solved.
Check connectors L02 and S02 pins 1,2 (sometimes only 7 wires are used
in the connector)
| 14-09-04 |
| Philips | FL1.2S | 50Hz buzz noticable through speaker | Check/replace IC7680 on the SSP - TDA8425, pseudo stereo IC.
(4822 209 63734).
| 14-09-04 |
| Philips | FL1.2S | 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 | FL1.2S | Bad or no functioning of the TDA4680/V4. | Check/replace IC7430 TDA4680/V4 (4822 209 31592).
It is recommended to add a zener diode BZX79-C12 (4822 130 34197)
between pin 28 of the TDA4680/V4 and anode to ground.
REMARKS :
Introduced in production in week 9140.
| 14-09-04 |
|
|
| Philips | FL1.2S | Black lines interference. | Replace position C2450 (4822 121 41815).
| 14-09-04 |
| Philips | FL1.2S | BUX85F in mikroSOPS defective | Change the value of C2260 to 4n7F, replace 7270 with transistor
BD825 (4822 130 41746).
| 14-09-04 |
| Philips | FL1.2S | 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 | FL1.2S | Correction to service information FL 95.01 | Correction to service information FL 95.01
------------------------------------------
Correction in the overview of 100Hz and Proscan boxen.
The replacement for service code 4822 212 30534 must be 4822 212 31231
The replacement for service code 4822 21 | 14-09-04 |
| Philips | FL1.2S | Does not start. | Check/replace C2241 330 uF (4822 124 42208) on LSP.
If C2241 is defective it is recommended to change the value of
C2228 on the LSP into 33nF (4822 122 31981).
REMARKS :
Introduced in production in week 9325.
| 14-09-04 |
| Philips | FL1.2S | During production an EEPROM protection panel | During production an EEPROM protection panel (4822 212 31266) is
introduced. Together with this also the following components have
to be changed:
On the Small signal panel:
- Add position 3256 and 3257 4k7 (4822 051 10472)
- Delete position 3280 and 3281
| 14-09-04 |
| Philips | FL1.2S | Intermittent NICAM decoding. | Replace C2108 on the multi sound panel into 33pF
(4822 126 10324).
REMARKS :
Introduced in production week 9129
| 14-09-04 |
| Philips | FL1.2S | Jitter | In PIP unit change the value of R3336 to 4k7.
| 14-09-04 |
| Philips | FL1.2S | Low Brightness TXT and OSD, Picture OK | If this condition occurs, check the Option Codes.
Resetting the Option Code numbers as per the Service Manual provided
the cure.
| 14-09-04 |
| Philips | FL1.2S | Low frequency hum from subwoofer, buzz from right hand squeeter. | Check DC level on pin 1 and 9 of IC7011 (TDA1521).
If not correct, replace (4822 209 63913).
| 14-09-04 |
| Philips | FL1.2S | Modification | Modification
------------
On the LSP the following items are changed:
- item 2450 changed into 22nF 100V (4822 121 41934)
- item 3457 changed into 10k (4822 051 10103)
Reason:
Solution for top reel line on screen
REMARKS :
Introduced in | 14-09-04 |
| Philips | FL1.2S | Modification | Modification
------------
On the High-End box item 6109 (BZX79-C4V7) has been added (4822 130
34174). This diode has been mounted with the cathode to R3155/L5150
and with the anode to R3151 (earth).
REMARKS :
This modification has been introduce | 14-09-04 |
| Philips | FL1.2S | Modification for improved +5V | Modification for improved +5V
-----------------------------
Item D6551 on the large signal panel has been changed into
BZX79-B7V5 (4822 130 30861).
REMARKS :
Introduced in production in week 9312.
| 14-09-04 |
| Philips | FL1.2S | Modification improved bandpass for high frequency | Modification improved bandpass for high frequency in -/61 sets
--------------------------------------------------------------
On the Korean stereo panel the following items are changed:
- item C2080 added 10nF 50V (4822 121 41857)
- item C2083 changed int | 14-09-04 |
| Philips | FL1.2S | Modification TDA4660 -> TDA4661 on the SOPS | Modification TDA4660 -> TDA4661 on the SOPS
-------------------------------------------
During production position IC7366 on the SSP has been changed from
a TDA4660 into a TDA4661 (4822 209 31714).
Together with this IC also some other components are chan | 14-09-04 |
| Philips | FL1.2S | Modification TDA4680/V4 -> TDA4681/V1 on the SSP | Modification TDA4680/V4 -> TDA4681/V1 on the SSP
------------------------------------------------
During production IC7430 TDA4680/V4 has been changed into the
TDA4681/V1 (4822 209 32271). Together with the IC also some other
components must change:
- ite | 14-09-04 |
| Philips | FL1.2S | Modification to improve sharpness | Modification to improve sharpness
---------------------------------
To improve sharpness the following items are changed on the small
signal panel:
- item 3317 changed into 10k (4822 051 10103)
- item 3331 added 10k (4822 051 10103)
- i | 14-09-04 |
| Philips | FL1.2S | Modification: reducing picture dimming with subtit | Modification: reducing picture dimming with subtittle and lowering
the heater voltage
------------------------------------------------------------------
On the Picture tube panel the following items are changed:
- item C2708 changed into 270pF (4822 122 | 14-09-04 |
| Philips | FL1.2S | No colors in TV mode | Check IC7365 (TDA4650) on the SSP (4822 209 30837)
| 14-09-04 |
| Philips | FL1.2S | No sound, "ON, Standby, I" LEDs blinking | 10MHz crystal 1602 on the SSP defective, 4822 242 80276
| 14-09-04 |