Data tegangan acmatic tv digitec type DN2007TS: primer
katoda D518 : 6V1
emittor T507 A1015 1.4v
D516 5.4v
pin 4 opto PC817 4.7v
pin 3 opto PC8170.5v
area sekunder:
D509 : 118v
D 507 : 45.7v
D504 :
D505: 10v
ic TL431/KA431:
pin 1: 2.6v
pin 3: 8.5v
opto PC817:
pin 1: 9.5v
pin 2: 8.5v
mencari penyebab drop tegangan dengan melepas salah satu R517 10K maka out acmatic bisa keluar/tidak stndby,berikut data komponen sekitar area sekunder acmatic:
R517 10K
R519 510 ohm
R509 470 ohm
R513 51 ohm
R514 8K2
R513 2K2
R511,R512 150 ohm
R507 2K7
R530 10K
T505 C2235 switch on/off
T504 A1023 switch on/off/stndby
T503 C2236 +5v ic micom
T502 D313 +5V
T501 D313 +8V
pin out dan data tegangan normal ic STV2286C :
pin 1: sif in 1 N.C 1.06v
pin 2: sif in 2 N.C 1.06v
pin 3: agc-sif 0v
pin 4: If-V 3.2v
pin 5: agc 0.4v
pin 6: pif-in1 2.55v
pin 7: pif-in2 2.55v
pin 8: RF-agc tuner 4.3v
pin 9: IF-pll 1.3v
pin 10: GND
pin 11: SIF out 4.03v
pin 12: vcc +5.1v
pin 13: CVBS out 3.9v
pin 14: n.c 2.28v
pin 15: pif-lc1 3.8v
pin 16: pif-lc2 3.8v
pin 17: vcc2 8.4v
pin 18: CVBS IN 4.4v
pin 19 GND
pin 20: CVBS1 3.22v
pin 21: BS 3.4v
pin 22: CVBS2 1.7v
pin 23: CHR 5.6v
pin 24: APR 2.53v
pin 25: B-EXT 1.78v
pin 26: G-EXT 2.54v
pin 27: B-EXT 0v
pin 28: B-out 3.36v
pin 29: G-out 2.46v
pin 30: R-out 1.68v
pin 31: I-catch 1.71v
pin 32: B-EXT 4.8v
pin 33: G-EXT 1.37v
pin 34: R-EXT 1.37v
pin 35: F-BLK 1.36v
pin 36: X-TALL3 0v
pin 37: X-TALL2 1.9v
pin 38: X-TALL1 1.9v
pin 39: CLPF 2.1v
pin 40: V-AMP 4.4v
pin 41: GND
pin 42: CVBS out1 5.6v
pin 43: VCC1 8V
pin 44: BCL 5.9v
pin 45: V-out 5.3v
pin 46: H-out 0.3v
pin 47: LBF/SCC 1.7v
pin 48: SLPF 3.7v
pin 49: SCL 3.6v
pin 50: SDA 3.6v
pin 51: VCC 5V
pin 52: GND
pin 53; audio out 4.04v
pin 54: FM-cap 2.3v
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