Pioneer DEH-P490IB Service Manual page 32

1
- Waveforms
A
1DSCSNS
5 V/div
28SNS
5 V/div
312SNS
5 V/div
4LOEJ
5 V/div
12 cm CD Loading operation
Ref.:
GND
Mode:
B
Normal
7SIN
1 V/div
8CIN
500 mV/div
9TIN
1 V/div
12 cm CD-DA setup operation after loading
C
Ref.:
REFO
Mode:
Normal
#FE
500 mV/div
0FIN
500 mV/div
@TE
500 mV/div
9TIN
500 mV/div
D CD-DA Play operation
Ref.:
REFO
Mode:
Normal
0FIN
500 mV/div
#FE
500 mV/div
E
Focus Search waveform
Ref.:
REFO
Mode:
TEST
F
32
1
2
Note : 1. The encircled numbers denote measuring points in the circuit diagram.
2. Reference voltage REFO1(1.65 V)
1DSCSNS
500 ms/div 5 V/div
5CLCONT
5 V/div
4LOEJ
5 V/div
6VD
10 V/div
12 cm CD Loading operation
Ref.:
GND
Mode:
Normal
0FIN
1 s/div 200 mV/div
!RFOK(MONI_2)
2 V/div
7SIN
2 V/div
12 cm CD-DA Source On setup operation
Ref.:
REFO
Mode:
Normal
$MDX
20 ms/div 2 V/div
7SIN
500 mV/div
Spindle waveform during play operation
Ref.:
REFO
Mode:
Normal
@TE
200 ms/div 500 mV/div
%RFAGC
500 mV/div
Track Open waveform
Ref.:
REFO
Mode:
TEST
DEH-P490IB/XN/UC
2
3
1DSCSNS
500 ms/div 5 V/div
28SNS
5 V/div
312SNS
5 V/div
4LOEJ
5 V/div
8 cm CD Loading operation
Ref.:
GND
Mode:
Normal
@TE
500 ms/div 500 mV/div
#FE
500 mV/div
Source On setup operation
Ref.:
REFO
Mode:
Normal
$MDX
200 ms/div 2 V/div
7SIN
500 mV/div
Spindle waveform during play operation
(Wider)
Ref.:
REFO
Mode:
Normal
%RFAGC
2 ms/div 1 V/div
@TE
500 mV/div
9TIN
500 mV/div
1 Track Jump waveform
Ref.:
REFO
Mode:
TEST
3
4
500 ms/div
200 ms/div
5 μs/div
500 μs/div
4