Data
pin protect TV POLYTRON PICTURE BOOSTER model PN20323MG IC MICON
HBM-00-01,IC Chroma STV2268C :
C409 1uf/50V
C415 10uf/25V
D402 IN4148
tegangan normal : katoda D402 6V
pin protect utama pin 16 ic HBM-00-01
terukur normal 4.39V
Beberapa penyebab protect :
elco C409 1uf/50V turun
kapasitas
elco C415 10uf/25V turun kapasitas
D402 setengah
short/konslet
ic vertikal TDA8174 short/konslet
Beberapa kerusakan yang kadang terjadi :
1. gambar tidak syncron kadang2 normal
cek/ganti elco
C309 2.2uf/16V
pin 5 ic STV2268C
2. tv susah start cek/ganti :
- elco C507 10uf/63V
ganti dengan 10uf/100V
- elco C513 10uf/50V basis T501 D313
- elco C515
10uf/50V basis T502 D313
Wednesday, 10 February 2016
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