22
1
2
3
4
1
2
3
4
F
E
D
C
B
A
DEH-P2550/XM/ES
-
Waveforms
Note : 1. The encircled numbers denote measuring points in the circuit diagram.
2. Reference voltage REFO1(1.65V)
1
DSCSNS
2
CLCONT
3
LOEJ
4
VD
5V/div
5V/div
5V/div
10V/div
500ms/div
When loading a 12cm CD
Ref.:
GND
Mode:
Normal
5
SIN
6
CIN
7
TIN
1V/div
500mV/div
500mV/div
2s/div
When setting up after loading a 12cm CD-DA
disc
Ref.:
REFO
Mode:
Normal
1
DSCSNS
2
CLCONT
3
LOEJ
4
VD
5V/div
5V/div
5V/div
10V/div
500ms/div
When loading an 8cm CD
Ref.:
GND
Mode:
Normal
@
MDX
5
SIN
500mV/div
1V/div
5ms/div
Spindle waveform during "Play"
Ref.:
REFO
Mode:
Normal
#
RFAGC
500mV/div
0.5
µ
s/div
Ref.:
REFO
Mode:
Normal
@
MDX
5
SIN
500mV/div
1V/div
5
µ
s/div
Spindle waveform during "Play"(Magnified)
RF eye pattern
Ref.:
REFO
Mode:
Normal
8
FIN
!
FE
500mV/div
500mV/div
200ms/div
Focus Search
Ref.:
REFO
Mode:
TEST
#
RFAGC
0
TE
7
TIN
1V/div
500mV/div
500mV/div
500
µ
s/div
Ref.:
REFO
Mode:
TEST
0
TE
#
RFAGC
500mV/div
500mV/div
2ms/div
When "Tracking Open"
1 Track Jump
Ref.:
REFO
Mode:
TEST
8
FIN
9
RFOK
5
SIN
200mV/div
2V/div
2V/div
500ms/div
When setting up "Source On"(12cm CD-DA)
During "Play"(CD-DA)
Ref.:
REFO
Mode:
Normal
!
FE
8
FIN
0
TE
7
TIN
500mV/div
500mV/div
500mV/div
500mV/div
20ms/div
Ref.:
REFO
Mode:
Normal
0
TE
!
FE
500mV/div
500mV/div
200ms/div
When setting up "Source On"
Ref.:
REFO
Mode:
Normal
Summary of Contents for DEH-P2550 XN/ES
Page 4: ...1 SPECIFICATIONS 4 1 2 3 4 1 2 3 4 F E D C B A DEH P2550 XM ES Backup current 5 mA or less ...
Page 6: ...6 1 2 3 4 1 2 3 4 F E D C B A DEH P2550 XM ES 2 2 EXTERIOR ...
Page 18: ...18 1 2 3 4 1 2 3 4 F E D C B A DEH P2550 XM ES 3 3 KEYBOARD UNIT C C KEYBOARD UNIT CAW1759 ...
Page 26: ...26 1 2 3 4 1 2 3 4 F E D C B A DEH P2550 XM ES A A TUNER AMP UNIT IC Q ...
Page 27: ...27 5 6 7 8 F E D C B A 5 6 7 8 DEH P2550 XM ES A SIDE B ...
Page 55: ...55 5 6 7 8 F E D C B A 5 6 7 8 DEH P2550 XM ES 8 OPERATIONS ...
Page 56: ...56 1 2 3 4 1 2 3 4 F E D C B A DEH P2550 XM ES ...
Page 57: ...57 5 6 7 8 F E D C B A 5 6 7 8 DEH P2550 XM ES ...