| Make | Model | Problem | Solution | Date |
| | | |
| Found: 98
|
| Blaupunkt | FM100 | Dead - relay click as normal | No mains feed to pcb as relay M865 o/c pole | 14-09-04 |
| Blaupunkt | FM100-21S | field - lack of | C723, C733 1000µ 25v | 14-09-04 |
|
|
| Blaupunkt | FM100-30 | Entering service mode | Power up set with "ME" pressed V-Amp press brightness then adjust with plus and minus,store with ME
V-Shift press >< ......
H-Width press colour ......
H-Shift press volume ......
Power off with mains switch.
Power on the set with ME depressed until display is lit.
Audio-norm press P
Power off with mains switch.
Power on the set with ME depressed until display is lit.
Standby-enable press oo (two channel mode)
Power off with mains switch.
two digit program-numbers,select between1-9,press C and select
channel,press ME and select within 5 seconds two digit number,
the numbers in your choosen decade are now enabled and accessable.
| 14-09-04 |
| Blaupunkt | FM120 | Long time to come on | C420 1µ 63v, C426/429 100µ 25v & TDA4600 | 14-09-04 |
| Blaupunkt | FM120 | Tripping at sw on | LOPTx arcing | 14-09-04 |
| Blaupunkt | IM63-18FM 100-41 | E-W bowing - won't correct | IC555 TDA 8145 | 14-09-04 |
| Blaupunkt | IM63-18FM 100-41 | Width excessive | D518 BY 399 s/c
| 14-09-04 |
| Blaupunkt | MS70-76 FM 100-30 | black screen | U2(200V) is missing at CRT pcb. Check fuse S720 and R1853(3K3)+V1855 (BF421) on video module. +evt. R1816+V1815 | 14-09-04 |
| Blaupunkt | MS70-76 FM 100-30 | No start up at power on | C450 100uF/25Vin psu between TDA 4601 & base V450. Also check L452 in Coll of V450 & all comps in psu. Recomend fit 10k between pin 1 & 9 of TDA 4601 | 14-09-04 |
| Blaupunkt | MS70-76 FM 100-30 | Relay clicks at sw on - otherwise dead | C441 1uF & R440 330k in psu area; 11v at V410 front left in front of modules ( measures 8 volt in Stby ) | 14-09-04 |
| Blaupunkt | MS70-76 FM 100-30 | Reverts to st/by at sw on | C450 (100uF/25V) in psu area | 14-09-04 |
| Crown | CRP14T SM1 Mono | Stuck in standby. | R599 2k 5watt in PSU o/c , check Q579. | 14-09-04 |
| Crown | CRP21T SM1 Mono | Stuck in standby. | R599 2k 5watt in PSU o/c , check Q579. | 14-09-04 |
| Ferguson | 14M1 | Field collapse aft few mins | Replace TIP112H (TR7) in FOP & resolder countless dry joints | 14-09-04 |
| JVC | AV25VM1 | St/by only | IC951 KIA7808P 8v reg also replaced Q953 2SA966 & Q954 2PC1815 | 14-09-04 |
| JVC | AV25VM1 JA | Blank raster with fb lines & top cramping | FOP IC TDA8350 | 14-09-04 |
| JVC | AV25VM1EK | Field to & bottom cramp | IC401 Field/EW chip TDA8350Q | 14-09-04 |
| JVC | AV25VM1EK | St/by only & no line drive | TDA8366 jungle chip IC101 pin 35 8v supply missing as IC951 8v reg faulty KIA7808PI | 14-09-04 |
| Loewe | M124 | Bottom foldover | C581 47µ 25v | 14-09-04 |
| Loewe | M124 | Int weak contrast | dry joints front controls & pcb | 14-09-04 |
| Loewe | M124 | Lack of height | dry joints field o/p chip & height pot | 14-09-04 |
| Loewe | M124 | No cold start | C624 100µ, C638 1µ | 14-09-04 |
|
|
| Loewe | M124 | Small, flat pic with non-lin field | C652, 653 47µ 250v | 14-09-04 |
| Lowe | M124 C8500 | Dead with 1.6A fuse blown | TDA4601 chopper chip s/c, small blue therm in start up cct, T539 BU508D LOPTr hi res | 14-09-04 |
| Lowe | M124 C8500 | High HT (should be 142v) | C652 47µ 250v ; C653 47µ | 14-09-04 |
| Lowe | M124 C8500 | Pic jitter & /or hum on pic with chan display flickering, sound goes low & controls not working int | Check for dry joints in psu, front pcb & IR receiver | 14-09-04 |
| Matsui | 25M1 | Dead | D354 off sec of tfmr dry joints & dry joints both regs | 14-09-04 |
| Matsui | 25M1 Mk111 | Dead - no lights with psu ticking | St/by tfmr Pt no PTO146a from CHS | 14-09-04 |
| Matsui | 25M1 Mk2 | St/by only - light off when chan button pressed | No B+ volts - R624 120k in start up o/c, also check R620 120k | 14-09-04 |
| Matsui | 25M1 MkII | In St/by - led flashes slowly when brought out of st/by | Chopper tr Q613 2SC4429 s/c - blew when using meter to check it for s/c! - also blew meter; Q612 2SC3807 s/c & R620/621 120k (original cause) - one of them o/c. R602 3R9 7w o/c & o/c mains fuse | 14-09-04 |