Pioneer DEH-9, Service Manual

Page: 24 / 64

DEH-9/XU/UC
24
1 2 3 4
1 2 3 4
C
D
F
A
B
E
-
Waveforms
Note : 1. The encircled numbers denote measuring points in the circuit diagram.
2. Reference voltage REFO1(1.65 V)
1
DSCSNS
2
8SNS
3
12SNS
4
LOEJ
5 V/div
5 V/div
5 V/div
5 V/div
12 cm CD Loading operation
Ref.:
GND
Mode:
Normal
1
DSCSNS
2
8SNS
3
12SNS
4
LOEJ
5 V/div
5 V/div
5 V/div
5 V/div 500 ms/div
Ref.:
GND
Mode:
Normal
1
DSCSNS
5
CLCONT
4
LOEJ
6
VD
5 V/div
5 V/div
5 V/div
10 V/div 500 ms/div
12 cm CD Loading operation 8 cm CD Loading operation
Ref.:
GND
Mode:
Normal
CD-DA Play operation
Ref.:
REFO
Mode:
Normal
Ref.:
REFO
Mode:
Normal
$
MDX
7
SIN
2 V/div
500 mV/div 50 ms/div
$
MDX
7
SIN
2 V/div
500 mV/div 5
µ
s/div
Spindle waveform during play operation
Ref.:
REFO
Mode:
Normal
0
FIN
#
FE
500 mV/div
500 mV/div
Focus Search waveform
Ref.:
REFO
Mode:
TEST
%
RFAGC
@
TE
9
TIN
1 V/div
500 mV/div
500 mV/div 500
µ
s/div
Ref.:
REFO
Mode:
TEST
@
TE
%
RFAGC
500 mV/div
500 mV/div 2 ms/div
Track Open waveform 1 Track Jump waveform
Ref.:
REFO
Mode:
TEST
7
SIN
8
CIN
9
TIN
1 V/div
500 mV/div
500 mV/div
12 cm CD-DA setup operation after loading Source On setup operation
Ref.:
REFO
Mode:
Normal
@
TE
#
FE
500 mV/div
500 mV/div 200 ms/div
Ref.:
REFO
Mode:
Normal
0
FIN
!
RFOK
(MONI_2)
7
SIN
200 mV/div
2 V/div
2 V/div
500 ms/div
12 cm CD-DA Source On setup operation
Ref.:
REFO
Mode:
Normal
500 ms/div
200 ms/div
2 s/div
#
FE
0
FIN
@
TE
9
TIN
500 mV/div
500 mV/div
500 mV/div
500 mV/div 20 ms/div
Spindle waveform during play operation
(Wider)