Pioneer deh-p740mp Service Manual page 40

DEH-P740MP,P7400MP,P7450MP
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- Waveforms
1 CH1:DSCSNS 5V/div.
2 CH2:CLCONT
5V/div.
3 CH3:LOEJ
5V/div.
4 CH4:VD
10V/div.
When loading a 12cm CD
Ref. :
GND
Mode :
Normal
5 CH1:SIN
1V/div.
6 CH2:CIN
500mV/div.
7 CH3:TIN
500mV/div.
When setting up after loading a
12cm CD-ROM(1 session)
Ref. :
REFO
Mode :
Normal
TE
L 13942296513
0 CH1:TE
500mV/div.
! CH2:FE
500mV/div.
When setting up "Source On"
Ref. :
REFO
Mode :
Normal
@ CH1:MDX
500mV/div.
5 CH2:SIN
1V/div.
Spindle waveform during "Play"
Ref. :
REFO
www
Mode :
Normal
.
40
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Note:1. The encircled numbers denote measuring points in the circuit diagram.
2. Reference voltage
REFO1 : 1.65V
1 CH1:DSCSNS 5V/div.
2 CH2:CLCONT
500ms/div.
3 CH3:LOEJ
4 CH4:VD
When loading an 8cm CD
Ref. :
GND
Mode :
Normal
5 CH1:SIN
6 CH2:CIN
2s/div.
7 CH3:TIN
When setting up after loading a
12cm CD-ROM(2 session)
Ref. :
REFO
Mode :
Normal
! CH1:FE
200ms/div.
8 CH2:FIN
0 CH3:TE
7 CH4:TIN
During "Play" (CD-DA)
Ref. :
REFO
Mode :
Normal
@ CH1:MDX
5ms/div.
5 CH2:SIN
Spindle waveform during "Play"
(Magnified)
Ref. :
REFO
Mode :
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Normal
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2 9
8
5 CH1:SIN
6 CH2:CIN
5V/div.
500ms/div.
7 CH3:TIN
5V/div.
10V/div.
Ref. :
REFO
Mode :
Normal
8 CH1:FIN
1V/div.
9 CH2:RFOK 2V/div.
500mV/div.
2s/div.
5 CH3:SIN
500mV/div.
Ref. :
REFO
Mode :
Normal
Q Q
3 6 7 1 3
! CH1:FE
500mV/div.
8 CH2:FIN
500mV/div.
20ms/div.
0 CH3:TE
500mV/div.
7 CH4:TIN
500mV/div.
Ref. :
REFO
Mode :
Normal
# CH1:RFAGC 500mV/div.
500mV/div.
5µs/div.
1V/div.
Ref. :
REFO
Mode :
Normal
.
9 4 2 8
1V/div.
500mV/div.
500mV/div.
When setting up after loading a
12cm CD-DA disc
200mV/div.
500ms/div.
2V/div.
When setting up "Source On"
(12cm CD-DA)
1 5 0 5 8 2 9 9 4
500mV/div.
500mV/div.
20ms/div.
500mV/div.
500mV/div.
During "Play"(CD-ROM, generating 1Track
Jump periodically) Refer to "1Track Jump."
5µs/div.
RF eye pattern
m
co
9 9
2s/div.
2 8 9 9