Repair Item 5: No audio signal (digital) present at output terminals.
*
Check circuit around and soldering IC702.
*
IC702 is defective.
No
Yes
Does digital signal
appear at pin 53 (DOUT) of IC702
like that shown
figuer 16 ?
*
Check control/MD unit.
Figure 16
5
24
12345
12345
12345
12345
12345
12345
12345
12345
12345
12345
12345
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
1234
0V
3.3V
1112
Содержание ZD-3
Страница 1: ... without price ZD 3 MD CD SYSTEM SEP 2000 INDEX ...
Страница 48: ...Vo Vadj GND Vin 1 2 3 4 1 2 4 3 IC IC303 IC708 IC709 PQ15RW11 46 ...
Страница 57: ...IC707 S 80727AL AQ T1 2 VDD VSS 3 Parasitic Diode 1 OUT 1 2 3 55 ...
Страница 67: ...5P 6P 12P 210 116 114 117 300 118 250 2 2 250 1 2 8P 230 4P 3P UNIT ASSEMBLY 2 3 65 ...
Страница 68: ...122 122 122 122 9P 11P 2P 7P 6P 109 107 108 400 UNIT ASSEMBLY 3 3 66 ...
Страница 69: ...331 331 351 347 345 339 334 351 344 346 348 CASE UNIT 67 ...
Страница 70: ...315 316 317 318 305 303 303 304 323 304 306 16P 6P TOP CASE UNIT 68 ...
Страница 71: ...MD MECHANISM UNIT 69 ...
Страница 72: ...CD MECHANISM 70 ...