Pioneer DEH-20UB, Service Manual

Page: 56 / 73

DEH-20UB/XS/UC
56
1 2 3 4
1 2 3 4
C
D
F
A
B
E
10.4 WAVEFORMS
-
CD CORE UNIT
Note : 1. The encircled numbers denote measuring points in the circuit diagram.
2. Reference voltage REFO1(1.65 V)
500 ms/div 5 V/div
5 V/div
5 V/div
10 V/div
1
DSCSNS
5
CLCONT
4
LOEJ
6
VD
5 V/div
5 V/div
5 V/div
5 V/div
1
DSCSNS
2
8SNS
3
12SNS
4
LOEJ
5 V/div
5 V/div
5 V/div
5 V/div 500 ms/div
1
DSCSNS
2
8SNS
3
12SNS
4
LOEJ
500 mV/div
500 mV/div 200 ms/div
@
TE
#
FE
200 mV/div
2 V/div
2 V/div 500 ms/div
0
FIN
!
RFOK(MONI_3)
7
SIN
1 V/div
500 mV/div
1 V/div 1 s/div
500 ms/div
7
SIN
8
CIN
9
TIN
2 V/div
500 mV/div 5
µ
s/div
$
MDX
7
SIN
2 V/div
500 mV/div 200 ms/div
$
MDX
7
SIN
500 mV/div
500 mV/div
500 mV/div
500 mV/div 20 ms/div
#
FE
0
FIN
@
TE
9
TIN
1 V/div
500 mV/div
500 mV/div 500
µ
s/div
%
RFAGC
@
TE
9
TIN
500 mV/div
500 mV/div 2 ms/div
@
TE
%
RFAGC
500 mV/div
500 mV/div 200 ms/div
0
FIN
#
FE
Source On setup operation 12 cm CD-DA Source On setup operation
CD-DA Play operation Spindle waveform during play operation Spindle waveform during play operation
(Wider)
Focus Search waveform Track Open waveform 1 Track Jump waveform
12 cm CD-DA setup operation after loading
12 cm CD Loading operation 12 cm CD Loading operation 8 cm CD Loading operation
Ref.:
GND
Mode:
Normal
Ref.:
GND
Mode:
Normal
Ref.:
GND
Mode:
Normal
Ref.:
REFO
Mode:
Normal
Ref.:
REFO
Mode:
Normal
Ref.:
REFO
Mode:
Normal
Ref.:
REFO
Mode:
TEST
Ref.:
REFO
Mode:
TEST
Ref.:
REFO
Mode:
TEST
Ref.:
REFO
Mode:
Normal
Ref.:
REFO
Mode:
Normal
Ref.:
REFO
Mode:
Normal