- 2-2 -
2. AUDIO µ. COM Circuit
POWER ON
Does CD/DVD
appear at FLT?
Does LOADING
appear at FLD?
Does it appear
DVD Error at
FLD?
Does Video1/2
FM 87.5 appear
at FLD?
OK.
Check
Connector(CN103)if
is normally.
Reconnet it.
Refer to SMPS
Refer to oscillator
Circuit.
Check DVD Reset Waveform.
Check IC101 Reset Wavefrom.
Check 3.3V line.
Check Power dection Circuit..
Check power part
of Main B/D.
Check oscillator
of x101.
Check if CN103
Pin is High.
Check if IC101
Pin is High.
Check if IC101 Pin
is high (3.3r).
Check if IC101 Pin
is High .
Replace IC 101.
Does no Dise or
Time appear at FLD?
Check if DVD an Audio
Micom Interface is OK.
Check power.
Check DVD Module.
Check SMPS.
42
30
3
63
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 ...