14
Check VBUS power supply turning on.
• [TPF107]
Check power supply for the SD card.
• [TPF124] +3.3V
Check power supply for OLED.
• [TPF732] +3.3VD
• [TPF760] +15V
Check OLED control signal.
• [IC701] 3pin,6pin
• [IC702] 3pin,6pin
• [IC505] 8pin
Check USB multiplexer.
• [IC105] signal line
Check u-com communication line.
Check part.
• [TR102,TR103] and the surrounding constant.
b
Check external VBUS input.
Check part.
• [IC106] and the surrounding constant.
Check output of the power supply.
• [IC109] and the surrounding constant.
• [IC312] and the surrounding constant.
• [TR701,TR702] and the surrounding constant.
Check part.
• [IC701,IC702] and the surrounding constant.
・[IC505]
Check part.
• [IC105] and the surrounding constant.
Check communication line with the main u-com.
• Dumping resistance.
Replace MAIN UNIT.
Replace MAIN UNIT.
Replace OLED.
1.4. USB DEVICE(PC) does not operate
1.5. SD card is not recognized
1.6. DISPLAY does not display
N.G.
N.G.
N.G.
N.G.
N.G.
N.G.
O.K.
O.K.
O.K.
O.K.
O.K.
O.K.
Содержание DN-F650R
Страница 5: ...5 DIMENSION 325 0 mm 10 0 mm 7 0 mm 483 0 mm 483 0 mm 8 0 mm 52 0 mm ...
Страница 20: ...20 Personal notes ...
Страница 21: ...21 PLL1707 KEYBOARD TALLY_OUT NJW1159 16 66MHz BLOCK DIAGRAM ...
Страница 23: ...23 5 5 5 5 5 5 5 5 5 5 5 5 0 1 1 2 3 5 5 5 5 5 5 2 3 6 6 6 6 2 3 5 7 7 6 ...
Страница 45: ...45 38 R5S72631P200FP Terminal Function ...
Страница 46: ...46 39 R5S72631P200FP Terminal Function ...
Страница 47: ...47 40 R5S72631P200FP Terminal Function ...
Страница 48: ...48 41 R5S72631P200FP Terminal Function ...
Страница 49: ...49 42 R5S72631P200FP Terminal Function ...
Страница 50: ...50 43 R5S72631P200FP Terminal Function ...
Страница 51: ...51 44 R5S72631P200FP Terminal Function ...
Страница 52: ...52 45 R5S72631P200FP Terminal Function ...
Страница 53: ...53 46 R5S72631P200FP Terminal Function ...
Страница 54: ...54 47 R5S72631P200FP Terminal Function ...
Страница 56: ...56 W9825G6EH 6J MAIN IC502 IC503 49 Q102 Q103 W9825G6EH 6 ...
Страница 57: ...57 W9825G6EH 6J Pin Description 50 Q102 Q103 W9825G6EH 6 ...
Страница 58: ...58 W9825G6EH 6J Block Diagram Q102 Q103 W9825G6EH 6 ...
Страница 59: ...59 AK4683EQ MAIN IC405 56 Q802 AK4683 ...
Страница 60: ...60 AK4683EQ Block Diagram AK4683EQ Pin Description 57 Q802 AK4683 Q802 AK4683 57 Q802 AK4683 Q802 AK4683 ...
Страница 61: ...61 AK4683EQ Pin Description 58 Q802 AK4683 ...
Страница 65: ...65 NJW1159V MAIN IC209 NJW1159V Block Diagram ...
Страница 67: ...67 S1R72U01F12E300 MAIN IC104 S1R72U01F12E300 Block Diagram ...
Страница 69: ...69 UPD78F9222 DNF650R I O POWER IC306 ...
Страница 70: ...70 UPD78F9222 DNF650R Pin Function ...
Страница 71: ...71 UPD78F9222 DNF650R Pin Function ...
Страница 72: ...72 BU4053BCFV MAIN IC203 ...
Страница 73: ...73 2 FL DISPLAY OLED ASSY Z 001 Recommend Circuit AGND ...
Страница 88: ...88 Personal notes ...