Daftar Kerusakan Dan Solusi TV LG GOLDEN
Daftar kerusakan dan solusi TV LG Golden eye swing model : CA20S90T,ic chroma TDA8841,ic micon LG8993-43D :
1. tv start tiap 5 menit standby cek/ganti :
- elco C308 2.2uf/25V driver horisontal
- elco C818 100uf/25V filter tegangan 15V
- ic 841 KA78R08
2. garis2 putih diatas layar tv cek/ganti elco C303 100uf/50V elco pump up ic vertikal
3. gambar separuh keatas ada separuh bawah gelap,cek/ganti :
- tegangan pin 46 VB,pin 47 VA,normal ada tegangan 1.2V
4. garis mendatar cek/ganti :
- L743,FR742 0.47 ohm 1 watt
- ic 301 TDA8351
TV LG Golden
5. gambar blur putih tanpa OSD cek/ganti :
- elco C744 10uf/250V
- ic 901 TDA6107Q/ic RGB
- socket tabung
- FBT
6. gambar tidak/kurang kontras cek/ganti :
- R753 6K8,R747 5K6,zener ZD741 7V2
- C907 102/2KV
- tabung/CRT
7. out regulator drop dan bunyi menderit cek/ganti :
- ic 801 L817
8. gambar blanking merah/hijau/biru?
- cek ketiga katoda KR,KG,KB/lepas dulu R907,R908,R909 1k2 ke socket tabung jika masih blanking artinya katoda short/konslet ke G1/heater
- jika dilepas R yg kesocket tabung normal cek ic 901 TDA6107Q
9. gambar ada suara tak ada cek/ganti :
- speaker
- ic 601 LA4282
- sermode
TV LG Golden
10. sedikit tambahan data komponen :
A. tuner jenis PLL/FS pin out :
AGC
N.C
SCL
SDA
5V
5V
33V
IF OUT
B. IC N01 TDA4472/ic IF sound
C. IC N03 MSP3410D/ic sound procesor/ic nicam EQualizer
D. ic 701 SAA5281ZP/E ic TXT/teletext
E. ic 840 78L05/ 5V ic 01 LG8993-43D
F. ic PSU ic 803 STR F6654
G. TR horisontal Q741 D5702
H.Flyback T701 154-177B pin out :
Colector
185V
115V
GND
16V
24V/N.C
45V
ABL
Heater
AFC
11. output tegangan normal Acmatic :
115V
14V
10V
26V
12. tegangan normal ic 301 TDA8351 :
pin 1 VA : 2.32V
pin 2 VB : 2.32V
pin 3 VCC1 : 16.03V
pin 4 VB out : 7.80V
pin 5 GND
pin 6 VCC2 : 40.3V
pin 7 VOA : 7.9V
pin 8 : 0.3V
pin 9 VOB : 7.80V
Sumber : Dokumen Tv dan Parabola
1. tv start tiap 5 menit standby cek/ganti :
- elco C308 2.2uf/25V driver horisontal
- elco C818 100uf/25V filter tegangan 15V
- ic 841 KA78R08
2. garis2 putih diatas layar tv cek/ganti elco C303 100uf/50V elco pump up ic vertikal
3. gambar separuh keatas ada separuh bawah gelap,cek/ganti :
- tegangan pin 46 VB,pin 47 VA,normal ada tegangan 1.2V
4. garis mendatar cek/ganti :
- L743,FR742 0.47 ohm 1 watt
- ic 301 TDA8351
TV LG Golden
5. gambar blur putih tanpa OSD cek/ganti :
- elco C744 10uf/250V
- ic 901 TDA6107Q/ic RGB
- socket tabung
- FBT
6. gambar tidak/kurang kontras cek/ganti :
- R753 6K8,R747 5K6,zener ZD741 7V2
- C907 102/2KV
- tabung/CRT
7. out regulator drop dan bunyi menderit cek/ganti :
- ic 801 L817
8. gambar blanking merah/hijau/biru?
- cek ketiga katoda KR,KG,KB/lepas dulu R907,R908,R909 1k2 ke socket tabung jika masih blanking artinya katoda short/konslet ke G1/heater
- jika dilepas R yg kesocket tabung normal cek ic 901 TDA6107Q
9. gambar ada suara tak ada cek/ganti :
- speaker
- ic 601 LA4282
- sermode
TV LG Golden
10. sedikit tambahan data komponen :
A. tuner jenis PLL/FS pin out :
AGC
N.C
SCL
SDA
5V
5V
33V
IF OUT
B. IC N01 TDA4472/ic IF sound
C. IC N03 MSP3410D/ic sound procesor/ic nicam EQualizer
D. ic 701 SAA5281ZP/E ic TXT/teletext
E. ic 840 78L05/ 5V ic 01 LG8993-43D
F. ic PSU ic 803 STR F6654
G. TR horisontal Q741 D5702
H.Flyback T701 154-177B pin out :
Colector
185V
115V
GND
16V
24V/N.C
45V
ABL
Heater
AFC
11. output tegangan normal Acmatic :
115V
14V
10V
26V
12. tegangan normal ic 301 TDA8351 :
pin 1 VA : 2.32V
pin 2 VB : 2.32V
pin 3 VCC1 : 16.03V
pin 4 VB out : 7.80V
pin 5 GND
pin 6 VCC2 : 40.3V
pin 7 VOA : 7.9V
pin 8 : 0.3V
pin 9 VOB : 7.80V
Sumber : Dokumen Tv dan Parabola
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