Make | Model | Problem | Solution | Date |
| | | |
Found: 192
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Aiwa | SE211K | St/by only | R617 high (replace with 390K 1/4W) - located behind LOPTX.This causes the micro-controller to shut the set down and store this condition in the EEPROM. You can either replace the EEPROM with the correct one from Aiwa (which then requires setting up with a special handset), or use an EEPROM programmer to reset the values. There are two values that require resetting:
$0139 should be $00 ($2F when faulty)
$013C should be $00 ($33 when faulty)
| 14-09-04 |
Aiwa | TVSE211 | No vid/raster with sound - no/poor OSD | IC303 (OSD Sw) pt no Aiwa87A21167010 | 14-09-04 |
Bush | WST Professional 4400 series | Service Mode access | hold menu button while turning CTV on until the red LED lights up. Release the menu button and press standby. | 14-09-04 |
Decca | C Series | Volume won't Adj over full range or no front Panel Op. | For volume - press --/- on remote , Vol + on set , --/- on remote for no front panel , Switch set off , Press & hold P+ on S | 14-09-04 |
Decca | A Series | Dead | R802 R803 ( 15K ) | 14-09-04 |
Decca | A Series | Dead with squeal | Dry joints R808 ww resistor | 14-09-04 |
Decca | A Series | No remote operation | IR Rx faulty | 14-09-04 |
Decca | A Series | Varying HT | Dry joints R808 ww resistor | 14-09-04 |
Decca | B Series | Line whistle - mod reqd | Add 220pf cap to pin 5 & pin 6 of opto IC802 in psu | 14-09-04 |
Decca | B Series | Loses register 7 (line osc free run) | Dry joints 27Mhz Xtal on Txt pcb | 14-09-04 |
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Decca | B Series | To enter electronic screwdriver settings | Move jumper link by proc to other posn. No. in lh of screen is parameter & can be stepped thro' in Hex from 00 to 12 using "3" button (up) & "2" button (down). Parameters changed by using "Balance left & right" | 14-09-04 |
Decca | C Series | childlock on | sw on tv whilst holding in 'P+' button on front | 14-09-04 |
Decca | C Series | Cuts out on high brightness scenes | HT volts drops in sympathy - CE803 220µ 16v ( supply to TDA4605) | 14-09-04 |
Decca | C Series | Field collapse | dry joint I402 | 14-09-04 |
Decca | C Series | int trip - once or twice a day | worse when heated - - TDA4605 heat sensitive - u/s | 14-09-04 |
Decca | C Series | Line down pic when cold (folded scan) | R413 18R ?w hi res - check HT correct -115v 14/20"; 109.5v 15/21" | 14-09-04 |
Decca | C Series | No R/C operation | No o/p from r/c chip IC750 Replace TFMS4360N with TFMS5360 | 14-09-04 |
Decca | C Series | St/by LED on - otherwise dead | Dry joint on end pin SCART skt depriving line feed to dr tfmr | 14-09-04 |
Decca | C Series | st/by only | HT (B+) present - on/off sw perm made - was faulty | 14-09-04 |
Decca | C Series | Stuck on Chan 1 & no analogue control (Child Lock) | Hold "Prog +" whilst switching on | 14-09-04 |
Decca | D Series | All red. | R012 100k on CRT base. | 14-09-04 |
Decca | D Series | Bright Green Raster | Green cathode volts low - Tr931 BC547 o/c & R932 100k hi res | 14-09-04 |
Decca | D Series | field collapse | R504 3M3 faulty - feeds ramp to pin 42 IC503 TDA8362 | 14-09-04 |
Decca | D Series | Lack of height | Check 33v supply IC001 TAA550 & feed res R015/6 6k8 & R504 3M3 | 14-09-04 |
Decca | D Series | Line foldover with crt heaters dimming | R427 line feed res high res | 14-09-04 |
Decca | D Series | No Field Scan | If IC401 & R414 are OK check R504 3M3 ohm | 14-09-04 |
Decca | D Series | Noisy Power Supply in Stand By | Change C806 to 2.2uF 50V | 14-09-04 |
Decca | D Series | Tuning proc | press 'filled square' button, press '4', search up with '4', down with '4&3'. Press '5' to store chan, press'6' to exit set up | 14-09-04 |
Decca | D Series | Improvement of AFC Pull in time and Inter-channel Mute | Change R001 to 18K & R003 to 27K | 14-09-04 |
Decca | DBN9B52P B Series | Ballooning pic | Dry joints line scan coill plug on main pcb | 14-09-04 |