proteksi tv

Tv TCL SLIM FLAT model: 21M83 ic TDA11135PS/N3/3

pin protect utama pin 28,titik sensor protect,ada di:
D314,D315,D316 out ic vertikal pin 3 ic LA78141,
D408,Q301 C1815 +12v
pada pin 28 terukur normal 4.8v
pin 16 out EW ke transistor Q451 S630,tegangan normal di kaki drain/colectornya
terukur 12.3v
beberapa komponen yg dipakai:
ic driver acmatic MC1337P
transistor final S7N60F
ic vertikal LA78141
transistor horisontal C6090
ic audio amp TDA7266
flyback BSC25-0233S dengan pin out=
1,colector
2.B+
3.N.C
4.N.C
5.N.C
6.AFC
7.GND
8.ABL
9.+200V
10.heater
out acmatic=
+109v B+ flyback
+50v B+ driver horisontal
+15v B+ ic vertikal
-15v B- ic vertikal
+12v B+ chroma/in teganga regulator +5v dan +8v
+12v B+ audio amp
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Data pin protect tv konka pke ic micon Ks88P8432N,ic chroma TDA8361 :
VD411 Heater
VD412 ABL
V404 A1015
V505 C1815
akan protect jika :
Elco C412 4.7uf/50V kering/turun kapasitas
transistor V405C1815 short
Zener VD411&VD412 short
output protect ada dikaki colector transistor V404 A1015 normal terukur 13.12V
tegangan dikaki elco C412 terukur normal 18.95V
tegangan dikaki anoda VD412 terukur normal 0.6V
tegangan dikaki ABL flyback -15.65V
out dari transistor protect V404 A1015 terhubung kekaki basis transistor V605 A1015 lewat VD606 IN4148,kekaki colector lewat R649 1K5
tegangan normal dikaki colector V605 A1015 0 volt


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Pin protect tv panasonic model TC-5188SF ic

 

micom MN1873284TG1,ic chroma M52770ASP :

D590 heater

D581 ABL

Q581 ABL

Q580 +24v

pin protect utama pin 36 ic M52770ASP normal

terukur 0V

analisa protect :

D590 protect heater,akan protect jika tegangan

di katoda D590 21.1V drop karena yoke konslet/

flyback setengah konslet/elco C590 4.7uf/50V

kering

D581 protect ABL akan protect jika katoda

D581 tegangan kurang dari 8.7V

Q580 akan protect jika tegangan VCC 24V ic

vertikal drop disebabkan ic vertikal short,elco

C508 470uf/35V kering,flyback setengah

konslet,R502 2.2 ohm putus

out acmatic :

90V

14V

30V

ic vertikal LA7840 :

1. Gnd

2. Out vertikal 9.8v

3. 24v

4. 4.2v non inverting input

5. 4.2V input vertikal

6. VCC in 24V

7. 2V

flyback TLF4N052 pin out :

1. ABL

2. Heater

3. Gnd heater

4. GND

5. +185V

6. Heater

7. +24V

8. N.C

9. B+90V

10 . Colector

ic STRF6554 :

1. 2v

2. 0V

3. 270V

4. 17.2V

5. GND

opto :

1. 14V

2. 12.8V

3. 6.1v

4. 19.5V

ic SE90 :

1. 90V

2. 12V

3. GND

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PROTECT SHARP   ALEXANDER SLIM

 

21" (21AS353E3)

Ch : DUNTKE946WE / GA10S

(IXD067WJZZ)

Input protect :

- pin 81 (4.2v)

- pin 82 (3.9v)

- pin 83 (0.8v)

Detector protect :

- D1008 (5v kroma)

- D1005 (5v tuner)

- D203 (30v tuner)

- D602, D603, Q603 (heatter / x-ray)

- D607, D608 (abl / x-ray)