TROUBLE SHOOTING
44
2. CONTROL BOARD CIRCUIT
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
YES
N O
NO LED display
Is 5V obtained at
Pin#7,21 of U1
Check pin#1 of J1
Oscillation at
pin#1 of U1
Check R2, exchange U1
Is there KEY/SEG
signal?
Cheack PCB
KEY output at
PORT of U1
Check U1 pin #6~7
Check SEG/GRID output
at PORT of U1
Check U1 pin#8~27
Exchange U1
Sm(DAEWOO_DG-K511S)060115.indd 44
2006-1-16 15:31:49
Содержание DG-K511S
Страница 15: ...14 CIRCUIT DIAGRAM 1 POWER SUPPLY SCHEMATIC DIAGRAM Sm DAEWOO_DG K511S 060115 indd 14 2006 1 16 15 30 56 ...
Страница 17: ...CIRCUIT DIAGRAM 16 2 RF MPEG SCHEMATIC DIAGRAM Sm DAEWOO_DG K511S 060115 indd 16 2006 1 16 15 31 02 ...
Страница 18: ...CIRCUIT DIAGRAM 17 3 SDRAM FLASH SCHEMATIC DIAGRAM Sm DAEWOO_DG K511S 060115 indd 17 2006 1 16 15 31 06 ...
Страница 19: ...CIRCUIT DIAGRAM 18 4 VIDEO OUTPUT PORT SCHEMATIC DIAGRAM Sm DAEWOO_DG K511S 060115 indd 18 2006 1 16 15 31 09 ...
Страница 20: ...CIRCUIT DIAGRAM 19 5 AUDIO OUTPUT PORT SCHEMATIC DIAGRAM Sm DAEWOO_DG K511S 060115 indd 19 2006 1 16 15 31 13 ...
Страница 26: ...CIRCUIT DIAGRAM 25 5 YUV BOARD SCHEMATIC DIAGRAM Sm DAEWOO_DG K511S 060115 indd 25 2006 1 16 15 31 21 ...
Страница 27: ...26 PCB CIRCUIT BOARD 1 POWER SUPPLY BOARD Sm DAEWOO_DG K511S 060115 indd 26 2006 1 16 15 31 22 ...
Страница 28: ...PCB CIRCUIT BOARD 27 2 DECODE BOARD Sm DAEWOO_DG K511S 060115 indd 27 2006 1 16 15 31 31 ...
Страница 29: ...PCB CIRCUIT BOARD 28 Sm DAEWOO_DG K511S 060115 indd 28 2006 1 16 15 31 35 ...
Страница 30: ...PCB CIRCUIT BOARD 29 3 CONTROL BOARD DG K511S Sm DAEWOO_DG K511S 060115 indd 29 2006 1 16 15 31 36 ...
Страница 31: ...PCB CIRCUIT BOARD 30 CONTROL BOARD DG K513S Sm DAEWOO_DG K511S 060115 indd 30 2006 1 16 15 31 37 ...
Страница 32: ...PCB CIRCUIT BOARD 31 CONTROL BOARD DG K516S Sm DAEWOO_DG K511S 060115 indd 31 2006 1 16 15 31 38 ...
Страница 33: ...PCB CIRCUIT BOARD 32 4 MICROPHONE BOARD DG K511S Sm DAEWOO_DG K511S 060115 indd 32 2006 1 16 15 31 39 ...
Страница 34: ...PCB CIRCUIT BOARD 33 MICROPHONE BOARD DG K513S Sm DAEWOO_DG K511S 060115 indd 33 2006 1 16 15 31 40 ...
Страница 35: ...PCB CIRCUIT BOARD 34 MICROPHONE BOARD DG K516S Sm DAEWOO_DG K511S 060115 indd 34 2006 1 16 15 39 02 ...
Страница 36: ...PCB CIRCUIT BOARD 35 5 YUV OUTPUT BOARD Sm DAEWOO_DG K511S 060115 indd 35 2006 1 16 15 31 42 ...
Страница 41: ...WAVEFORMS 40 SDRAM CLOCK U6 Pin38 CN4 Pin4 VSC S CLK Sm DAEWOO_DG K511S 060115 indd 40 2006 1 16 15 31 46 ...
Страница 42: ...WAVEFORMS 41 CN4 Pin6 VSD SDATA IN CN4 Pin5 VST S CS Sm DAEWOO_DG K511S 060115 indd 41 2006 1 16 15 31 47 ...
Страница 43: ...WAVEFORMS 42 CN4 Pin 2 IR Y1 Pin1 27MHz X TAL Sm DAEWOO_DG K511S 060115 indd 42 2006 1 16 15 31 47 ...