| Make | Model | Problem | Solution | Date |
| | | |
| Found: 70
|
| Goodmans | 286NS L6.2 | Pic break up with sound muted | LOP stage volts down 10 volts at 140V. R3509 47K in PSU O/C. | 14-09-04 |
| Goodmans | 286NS L6.2 | Pic shifted to left; RV3120 no effect - Txt OK | Crack in print to RV120 | 14-09-04 |
|
|
| Goodmans | 286NS/05 L6.2 | St/by only | FS1502 wickman fuse - no other fault | 14-09-04 |
| Philips | L 6.2 | Horizontal line | If +25 Volt missing on 110 degr. module,then check D6907, this can be S/C ( use only BYV 27-400) also check R3908 isn't touching spring for T7904 & check R3928 1R | 14-09-04 |
| Philips | L 6.2 | BU1508AX has short life | orange cap in deflection PCB+ L 5420+.L 5421 in base-circuit | 14-09-04 |
| Philips | L 6.2 | Reverts to st/by at sw on | Beside replacing T7505 also replace T7500(BC858B)+D6500(5V1) +C2511 (22uF) | 14-09-04 |
| Philips | L 6.2 / 6.3 | int locks up - no chan change or sw on/off | replace 7505 (BC337-40 it is close to power transformer secondary side. (ref Leif) | 14-09-04 |
| Philips | L6.2 | A 50 Hz hum is audible in the loudspeaker at min volume | Done at the audio module.
1. Check the index number of the audio module (number in white at the
right side of ls connector 0071, copper side).
If the number is 8211 014 1038 4(!): check if there is a
capacitor between pin 1 and 2 of ic7205; REMOV | 14-09-04 |
| Philips | L6.2 | Addition to Service Manual | Addition to Service Manual
--------------------------
In addition to the L6.2 Chassis manual, following codenumbers are
different for 90 degr./ 21" sets:
picture tube, A51EAL155X47, 4822 131 11105.
LOT, pos 5422, 4822 140 10635.
SOPS transfo | 14-09-04 |
| Philips | L6.2 | Autosearch does not stop on all video carriers. | The reason is a too high scanning speed; Connect 1Mohm + 22nF between
R3603/R3604 and R3619/R3662 in circuit diagram A4.(R3619/R3662 is in
circuit diagram A4: A2-15; this point is also connected with wirestrap
9126 of diagram A2.)
The resistor of 1Mohm is | 14-09-04 |
| Philips | L6.2 | 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 | L6.2 | Codenumber information | Codenumber information
----------------------
During production item 7504 (STP4NA40FI) on the mono carrier has been
changed into the STP5NB60FP - 9322 126 65687.
If you change during repair the STP4NA40FI into the STP5NB60FP also
the following items have | 14-09-04 |
| Philips | L6.2 | Correction to styling 182 of Product Survey 1997-4 (4822 727 21584) | The code number mentioned at position 10 of styling 182 is of the 3-fold control frame (4822 464 10326).
The code number for the 4-fold control frame is 3111 254 24531. | 14-09-04 |
| Philips | L6.2 | Dead - LOPtr Tr7906 runs hot & fails (piv OK) | L5420 in line drive cct o/c | 14-09-04 |
| Philips | L6.2 | Dead - off with bang | Fit PSU kit ES7062 , opto 7420 & L5420 - check for dry joints on R3513 330k | 14-09-04 |
| Philips | L6.2 | Dead apart from buzz from psu | F1502 o/c, D6503 BYD33D s/c, no line drive now, opto IC7420 u/s | 14-09-04 |
| Philips | L6.2 | Dead with faint whistle - LED lit | F1502 63mA in PSU sec o/c | 14-09-04 |
| Philips | L6.2 | Dead with faint whistle - no LED | Tr7505 BC337-40 | 14-09-04 |
| Philips | L6.2 | Destruction of T7906 and Coil L5420. | Replace T7906 (=4822 130 10864) and Coil L5420 (=4822 157 50965) also
replace D6108 from 6V8 to 7V5 (=4822 130 30861).
REMARKS :
In case of repetitive failure check/replace line transformer 5422
(4822 140 10623)
- test insulation between primary and s | 14-09-04 |
| Philips | L6.2 | Hotel mode | Hotel mode
----------
Only mono sets of L6.2 chassis have hotel mode possibility!
To activate this mode do the following:
- select channel 38
- push vol- and vol + on the TV set AND OSD on the remote control
simultaneously.
- you now enter the hotel mo | 14-09-04 |
| Philips | L6.2 | How to activate/de-activate "Hotel mode" | Only mono sets of L6.2 chassis have hotel mode possibility!
To activate this mode do the following:
- select channel 38
- push vol- and vol + on the TV set AND OSD on the remote control
simultaneously.
- you now enter the hotel mode.
To leave the hote | 14-09-04 |
| Philips | L6.2 | Hum, or sound varying depending from picture contents | In sets with a modified antiplop circuit, a capacitor 47uf is mounted
between pin 1,7 and 6 IC7205. In that case check if R3206 (4k7) and
R3217 (22k) have the correct values and not reverse.
| 14-09-04 |
|
|
| Philips | L6.2 | Int functs & tuning loss | 5v supply to micro low; 7505 BC548B leaky | 14-09-04 |
| Philips | L6.2 | Int narrow raster with squeal | BC338-40 in 5/9v supply | 14-09-04 |
| Philips | L6.2 | Int various - pic size, no sound & off | R3509 47k in psu o/c | 14-09-04 |
| Philips | L6.2 | Lack of width/ E/W dist after fitting repair kit | TR7908 STP4NA40F1 s/c between gate and source junctions | 14-09-04 |
| Philips | L6.2 | Line transitor T7906 on deflection module (repeated) defective. | Before replacement of T7906 (4822 130 10864) also check L5420 for
damage or interruption (take care there is R3424, 47E parallel).
Codenumber L5420, 4822 157 50965. Check if D6108 is BZX79-C7V5,
otherwise replace it by that value, codenr. 4822 130 30861.
| 14-09-04 |
| Philips | L6.2 | Loss of picture carrier or frequency drift | Change R3420 (see diagram A1) from 12k to 18K (service code 4822 116 52251) | 14-09-04 |
| Philips | L6.2 | No E/W or width control | C2915 390n | 14-09-04 |
| Philips | L6.2 | No more deflection because 25 Volt missing on 110 degrees module. | Change on 110 degrees module D6907 to BYV27-400; service codenumber
4822 130 70055.
IRIS code 1 3 1 6.
REMARKS :
teletext version only !
| 14-09-04 |