Pioneer DEH-1950/XU/CN5 Service Manual page 24

1
- Waveforms
A
1 DSCSNS
5 V/div
2 8SNS
5 V/div
3 12SNS
5 V/div
4 LOEJ
5 V/div
12 cm CD Loading operation
Ref.:
GND
Mode:
Normal
B
7 SIN
1 V/div
8 CIN
500 mV/div
9 TIN
500 mV/div
12 cm CD-DA setup operation after loading
Ref.:
REFO
C
Mode:
Normal
# FE
500 mV/div
0 FIN
500 mV/div
@ TE
500 mV/div
9 TIN
500 mV/div
CD-DA Play operation
D
Ref.:
REFO
Mode:
Normal
0 FIN
500 mV/div
# FE
500 mV/div
E
Focus Search waveform
Ref.:
REFO
Mode:
TEST
F
24
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
5 CLCONT
5 V/div
4 LOEJ
5 V/div
6 VD
10 V/div
12 cm CD Loading operation
Ref.:
GND
Mode:
Normal
0 FIN
2 s/div 200 mV/div
! RFOK
(MONI_2) 2 V/div
7 SIN
2 V/div
12 cm CD-DA Source On setup operation
Ref.:
REFO
Mode:
Normal
$ MDX
20 ms/div 2 V/div
7 SIN
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-1950/XU/CN5
2
3
1 DSCSNS
500 ms/div 5 V/div
2 8SNS
5 V/div
3 12SNS
5 V/div
4 LOEJ
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
50 ms/div $ MDX
2 V/div
7 SIN
500 mV/div
Spindle waveform during play operation
(Wider)
Ref.:
REFO
Mode:
Normal
% RFAGC
2 ms/div 1 V/div
@ TE
500 mV/div
9 TIN
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