Pioneer DEH-P680MP Service Manual page 29

1
- Waveforms
A
1 DSCSNS
5 V/div
2 8SNS
5 V/div
3 12SNS
5 V/div
12 cm CD Loading operation
Ref.:
GND
Mode:
B Normal
6 SIN
1 V/div
7 CIN
500 mV/div
8 TIN
500 mV/div
12 cm CD-DA setup operation after loading
Ref.:
C
REFO
Mode:
Normal
9 FIN
200 mV/div
0 RFOK
2 V/div
6 SIN
2 V/div
12 cm CD-DA Source On setup operation
D
Ref.:
REFO
Mode:
Normal
@ FE
500 mV/div
9 FIN
500 mV/div
E
! TE
500 mV/div
8 TIN
500 mV/div
CD-ROM play operation(Regular track Jump)
Ref.:
REFO
Mode:
Normal
F
32
1
2
Note : 1. The encircled numbers denote measuring points in the circuit diagram.
2. Reference voltage REFO1(1.65 V)
1 DSCSNS
500 ms/div 5 V/div
4 CLCONT
5 V/div
5 VD
10 V/div
12 cm CD Loading operation
Ref.:
GND
Mode:
Normal
6 SIN
1 s/div 1 V/div
7 CIN
500 mV/div
8 TIN
500 mV/div
12 cm CD-ROM(1 session) setup operation
after loading
Ref.:
REFO
Mode:
Normal
! TE
500 ms/div 500 mV/div
@ FE
500 mV/div
Source On setup operation
Ref.:
REFO
Mode:
Normal
# MDX
20 ms/div 2 V/div
6 SIN
200 mV/div
Spindle waveform during play operation
Ref.:
REFO
Mode:
Normal
DEH-P680MP/XN/UC
2
3
1 DSCSNS
500 ms/div 5 V/div
2 8SNS
5 V/div
3 12SNS
5 V/div
8 cm CD Loading operation
Ref.:
GND
Mode:
Normal
6 SIN
1 s/div 1 V/div
7 CIN
500 mV/div
8 TIN
500 mV/div
12 cm CD-ROM(3 sessions) setup operation
after loading
Ref.:
REFO
Mode:
Normal
@ FE
200 ms/div 500 mV/div
9 FIN
500 mV/div
! TE
500 mV/div
8 TIN
500 mV/div
CD-DA Play operation
Ref.:
REFO
Mode:
Normal
# MDX
50 ms/div 2 V/div
6 SIN
500 mV/div
Spindle waveform during play operation
(Wider)
Ref.:
REFO
Mode:
Normal
3
4
500 ms/div
1 s/div
20 ms/div
5 µs/div
4