| Size |
Model |
Chassis |
Symptom |
Problem Description |
Fix |
| | PTV780AH01 | PTV780 | Audio | poor audio on one channel, no audio on others | IC120 and surronding .15uF/63V mylar caps |
| 13 | PPC132C121 | | Power | Dead, clicks on button press | C2455 (47uF/25V) |
| 20 | 20MC4304/17 | | Power | Dead, standby voltages low | D1614 (NTE552) |
| 21 | 20MC4304/17 | | Power | Dead | R601 (560kohm), D1229 |
| 25 | 25TSC6-101 | 25B5 | Dark Screen | Dark Screen | CRT Rejuvenated, also turned up screen voltage |
| 25 | | | Scrolling Lines | Horizontal Lines Scrolling up/down on the screen | Replaced filter capacitor |
| 27 | 27PT5445/37 | L03.1UAA | Video | Vertical foldover about 3/4 of the screen. Then shutdown | C2463 (10uF/160v, near vert output transistors), D6460 (SMD located under C2463) |
| 27 | 27PT5445/37 | | Video | Vertical foldover at top, shuts down | D6460 (near C2463) C2465 (10uF/160V) |
| 27 | 27PT6441/37 | L04.1UAA | Video | Vertical foldover at top of screen | C2465 (10uF/100V), if still not working replace D6457 (SMD) |
| 27 | 27PT6441/37 | L04.1UAA | Power | Blows Fuse | deguassing thermister 3525 (#2122-6630-0019) |
| 27 | 27RF50/S126 | | Power | Shuts down on button input | Change R3452 to 10kohm, R3454 to 3K9 (#231291513902) |
| 27 | TS2744 C103 | 27B8 | White picture | Burnt Resistor on CRT neck board | R58 (22 Ohms) |
| 32 | 32PT5441/37 | L04.1 | Video | 3 different colored horizontal lines | C2465 (10uF/100V) |
| 32 | 32PT563S | L01.1UAC | Power | shuts down in 10 seconds | C2463 (680pF/2KV, #4835-122-47584), C2455 (47uF/50V) |
| 32 | 32PT663R37 | L01.1UAC | Power | shutdown | D6447 (1N4148), R3451 (3.9ohm), C2455 in horz drive |
| 32 | 32PT663R37A | L01.1UAC | Shuts Down | Shuts off as soon as picture turns on | R3451, D6447, adjust Screen to just below retrace lines. |
| 32 | 32PT663R37A | | Power | worked intermittently, now dead | C2455 (47uF/25V), kit #4855-310-57575 |
| 36 | | M8 | Power | powers up, then shuts down | flyback transformer (#312813281421, for 36inch set) |
| 42 | 42PF9630A | | Video | Repair of YSUS module | check the 7 TO-263 transistors in a row under a 3.5 inch heatsink in the center of the board |
| 42 | 42PF9631D/37 | | Power | No power, 7 blinks | C8059 (3300uF/10V), C8060 ((3300uF/10V) |
