- 3-7 -
D.
Is the eye-pattern vivid?
Does the
sawtooth waveform emit
at IC2A1 Pin 41?
Does the 1.6V emit?
Check RF Eye-Pattern.
RF : 1.5-1.6V(IC2A1 Pin 57)
Fig.5. RF
waveform
Check IC2A1 Pins 5, 6, 7, 8.
No signal: Pick-up is defective
Replace IC201.
Check IC201 Pin84.
No signal at IC201 : IC201 is defective
¥ Check IC201 Pin 162.
¥ Check the clock at the IC201 Pins 28, 30.
¥ Both are normal : IC201 is defective
Replace IC2A1.
CHECK A
END
NO
NO
NO
NO
YES
YES
YES
YES
Содержание DA-3520
Страница 19: ... 2 11 CS4228 CS49300 CS8415A ...
Страница 20: ... 2 12 µPD16311 NJM2279 NJU7312A ...
Страница 23: ...2 15 2 16 BLOCK DIAGRAM ...
Страница 25: ...2 19 2 20 µ COM FRONT SCHEMATIC DIAGRAM ...
Страница 26: ...2 21 2 22 DAP Digital Amplifier Part SCHEMATIC DIAGRAM ...
Страница 27: ...2 23 2 24 DSP DIGITAL AUDIO PROCESSING SCHEMATIC DIAGRAM ...
Страница 28: ...2 25 2 26 PRINTED CIRCUIT DIAGRAMS MAIN P C BOARD SOLDER SIDE ...
Страница 29: ...2 27 2 28 MAIN P C BOARD COMPONENT SIDE ...
Страница 30: ...2 29 2 30 MAIN FRONT P C BOARD SOLDER SIDE MAIN FRONT P C BOARD COMPONENT SIDE ...
Страница 42: ...3 11 3 12 SCHEMATIC DIAGRAMS DRIVE RF SCHEMATIC DIAGRAM ...
Страница 43: ...3 14 3 13 DVD DSP DIGITAL SIGNAL PROCESSING SCHEMATIC DIAGRAM ...
Страница 44: ...3 15 3 16 µ COM SCHEMATIC DIAGRAM ...
Страница 45: ...3 17 3 18 MPEG SCHEMATIC DIAGRAM ...
Страница 47: ...3 21 3 22 PRINTED CIRCUIT DIAGRAM DVD P C BOARD SOLDER SIDE ...
Страница 48: ...3 23 3 24 DVD P C BOARD COMPONENT SIDE ...