Make | Model | Problem | Solution | Date |
| | | |
Found: 26
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Hitachi | CL1409R | No colour | R519 100R 1/2w not properly soldered to board | 14-09-04 |
Hitachi | CL1709 | Does not start up. Overvoltage protection circuit active. | Check replace R951/39K R953/47K and D952 Zener. | 14-09-04 |
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Hitachi | CL1709 | Does not start up. Overvoltage protection circuit active. | Check replace R951/39K R953/47K and D952 Zener. | 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 |
Nokia | 7176 Classic | St/by only with led pulsing | No line drive; VK22 BC337 sm u/s | 14-09-04 |
Nokia | 7177 Classic | Distorted sound left chan | VA81 BC858B sm | 14-09-04 |
Nokia | 7177 classic | Goes to st/by after 2 - 3 mins | VO71 BC858C sm in psu (was same fault on dummy load) | 14-09-04 |
Philips | 28CL6770 | Dead - no startup volts from usops 5255 | Res 3249 270 or 220k o/c | 14-09-04 |
Philips | 28CL6770 | Dead apart from Green LED & "Q" displayed | LOPTx (SEME cheapest) | 14-09-04 |
Philips | FL1.0 2828CL6770/05Z | Low signal gain | Tuner - send to MCES for repair | 14-09-04 |
Philips | FL1.0 28CL6770/05 | St/by only - LOPTr BU508AF s/c | Caused by arcing from scan coil connector - may also damage sm prot comps | 14-09-04 |
Philips | FL1.1 28CL6770/05 | at switch on green LED comes on, then switches to stby | DJ on scan coil plug/socket causing R3516 to go o/c and Q7512 BC548C, Q7513 BC558C to go s/c | 14-09-04 |
Philips | FL1.10 28CL677/257 | St/by only | LOPTr BU508AF s/c due to dry joints scan coil plug | 14-09-04 |
Philips | FL1.10 28CL6770 | Dead - LOPTr s/c | Check for dry joints at scan coil plug | 14-09-04 |
Philips | FL1.10 28CL6770/252 | St/by only | LOPTr s/c due to dry joints scan coil plug or R3347 in psu risen from 75k to 100k (in set HT network) | 14-09-04 |
Philips | FL1.10 28CL6770/25Z | Dead - LOPTr s/c | Dry joints scan coil connector - can run psu on dummy load by removing L5511 & disable prot by s/c base/emitter of sm Tr 7384 | 14-09-04 |
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Philips | FL1.10 28CL6770/25Z | int. sound distortion (sounds like machine gun fire) only when an external unit is switched on (e.g. VCR, sat. box etc) | change Xtal 1602 (482224280276) or use non-fully wired SCART lead | 14-09-04 |
Philips | FL1.10 28CL6770/25Z | no line phase lock (RH side of pic in the LH of the screen) | R3511 10R 0.5W o/c (482211652176), it provides sync feedback from LOPTx to TDA2579A | 14-09-04 |
Philips | FL1.10 28CL6770/25Z | stuck in stby, red LED on | SOPS panel faulty, check R3537, R3514, if faulty check T7512, T7513 BC548C, R3515,R3516 2R7. Part nos: SOPS panel - 482231031921, resistors 2R7 - 482211652206. | 14-09-04 |
Philips | FL1.10 28CL6770/25Z | Trips when sw from st/by | TDA1521 Audio o/p IC s/c | 14-09-04 |