Pioneer DEH-P550MP Service Manual page 34

1
- Waveforms
1 DSCSNS
5V/div
A
2 CLCONT
5V/div
3 LOEJ
5V/div
4 VD
10V/div
When loading a 12cm CD
Ref.:
GND
Mode:
Normal
B
5 SIN
1V/div
6 CIN
500mV/div
7 TIN
500mV/div
When setting up after loading a 12cm CD-ROM
disc(1 session)
Ref.:
C
REFO
Mode:
Normal
0 TE
500mV/div
! FE
500mV/div
When setting up "Source On"
D
Ref.:
REFO
Mode:
Normal
@ MDX
500mV/div
5 SIN
200mV/div
E
Spindle waveform during "Play"
Ref.:
REFO
Mode:
Normal
F
34
1
2
Note : 1. The encircled numbers denote measuring points in the circuit diagram.
2. Reference voltage REFO1(1.65V)
1 DSCSNS
500ms/div 5V/div
2 CLCONT
5V/div
3 LOEJ
5V/div
4 VD
10V/div
When loading an 8cm CD
Ref.:
GND
Mode:
Normal
5 SIN
2s/div 1V/div
6 CIN
500mV/div
7 TIN
500mV/div
When setting up after loading a 12cm CD-ROM
disc(3 session)
Ref.:
REFO
Mode:
Normal
! FE
200ms/div 500mV/div
8 FIN
500mV/div
0 TE
500mV/div
7 TIN
500mV/div
During "Play"(CD-DA)
Ref.:
REFO
Mode:
Normal
@ MDX
50ms/div 500mV/div
5 SIN
1V/div
Spindle waveform during "Play"(Magnified)
Ref.:
REFO
Mode:
Normal
DEH-P550MP/XN/UC
2
3
5 SIN
500ms/div 1V/div
6 CIN
500mV/div
7 TIN
500mV/div
When setting up after loading a 12cm CD-DA
disc
Ref.:
REFO
Mode:
Normal
8 FIN
2s/div 200mV/div
9 RFOK
2V/div
5 SIN
2V/div
When setting up "Source On"(12cm CD-DA)
Ref.:
REFO
Mode:
Normal
! FE
20ms/div 500mV/div
8 FIN
500mV/div
0 TE
500mV/div
7 TIN
500mV/div
During "Play"(CD-ROM)(Track Jump is generated
periodically)(Refer to Track Jump waveform)
Ref.:
REFO
Mode:
Normal
# RFAGC
5µs/div 500mV/div 5µs/div
RF eye pattern
Ref.:
REFO
Mode:
Normal
3
4
2s/div
500ms/div
20ms/div
4