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Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair
Make
Model
Problem
Solution
Date
Found: 113
Akai
CT1
417D
St/by only
C406
14-09-04
Akai
CT1
417UK
Field collapse
C411 leaky
14-09-04
Akai
CT1
417UK
FRAME COLLAPSE
C411 LEAKY
14-09-04
Goodmans
Compact 10
Dead
Field chip AN5512
14-09-04
Goodmans
COMPACT 110
Dead
CHECK REG , AND FIELD CHIP AN5512 Pt No. CPC*HN5652AN5512
14-09-04
Goodmans
Compact 110
Dead
High HT can cause havoc rendering set beyond repair - signs are bulging elects in fop stage
14-09-04
Goodmans
Compact 110
Dead
Remove black glue, check 180k start up resistors & 47µ caps in psu
14-09-04
Goodmans
Compact 110
Dead
Check CP22 & 30 100µ & RP04 & 05 180k. QP01 2SA1012 - use BD224C in lieu. ZP06 6v8 zener & RV01 4R7 & ICV1 TDA3653
14-09-04
Goodmans
Compact 110
Dead - no psu o/p
DP09 s/c, RP20 burnt up
14-09-04
Goodmans
Compact 110
Dead - no psu operation
R5 180k o/c
14-09-04
Goodmans
Compact 110
Dead - psu blows up
Onwa kit available
14-09-04
Goodmans
Compact 110
Dead after ran on 24v instead of 12v
QPD1 2SB826 reg s/c, when replaced field collapse - TDA3653B fop chip & feed res burnt - used 4R7 1/4w & replace HT pot for int pic size with lines
14-09-04
Goodmans
Compact 110
Dead -went off with a flash
burn up on pcb between CP10 & link adjacent to RP06 - RP06 39R 7w o/c, dry joints RP09 & remove black glue
14-09-04
Goodmans
Compact 110
Field - lack of height with bottom compressed
RP05 8k2 3w metal film o/c
14-09-04
Goodmans
Compact 110
Int field collapse with short, bright hor line
Dry joint A1/focus earth pin on LOPTx
14-09-04
Goodmans
Compact 110
Line collapse
CH01 4µ7 50v bipolar o/c
14-09-04
Goodmans
Compact 110
Line collapse & no sound
Dry joint LH01
14-09-04
Goodmans
Compact 110
St/by only
ZP06 8v2 zener (set had been connected to 12v wrong way round) - Mk 1 version
14-09-04
Goodmans
Compact 110/2
No sound/pic with LED lit & 12v present
DH04 s/c pt no ACTI13051025
14-09-04
Goodmans
Compa
ct1
00
hum bar when heated
1N5402 rect diode o/c
14-09-04
Goodmans
Compa
ct1
10
Line drive int
CH03 10mfd 25v
14-09-04
Goodmans
Compa
ct1
10
Whistling/whining in st/by
Reg 10.8v not dropped to 0v - Micro pin30 not shutting off reg (should be 12v in st/by) - micro faulty
14-09-04
Goodmans
Compa
ct1
10
Won't go into st/by
CR02 0.1mfd o/c
14-09-04
Goodmans
Compa
ct1
10/2
Line collapse
Dry joints LH01 & CH01 in line coil coupling
14-09-04
Harwood
CT1
4
Drifts off tune
Check D9 - 16 and clean tuning pots/panel
14-09-04
Harwood
CT1
4
No pic - when A1 increased field collaps noticed
TDA3651 brought back partial field scan but not until TDA3651 was field fully restored
14-09-04
Harwood
CT1
4
SOUND BUT NO PICTURE - FIELD COLLAPSE
REPLACE TDA3651 IF FIELD NOW LOW , CHECK PIN 2 TDA4503 DRIVE SHOULD BE 2v Pk-Pk IF NOT REPLACE TDA4503
14-09-04
Hinari
CT1
1
Tripping
Works ok with Q117 on main pcb dis'd - purpose of this tr?
14-09-04
Hinari
CT1
1
Tripping.
Remove base of Q17 the set will work without it!
14-09-04
Hinari
CT1
1
TRIPS IF FRONT PANEL DISCONNECTED SET RUNS
REMOVE BASE Q17 !!
14-09-04
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