Pioneer DEH-P300 Service Manual - Page 30

Waveforms

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DEH-P300,P3000,P200 - Waveforms Note:1. The encircled numbers denote measuring pointes in the circuit diagram. 2. Reference voltage REFO:2.5V 1 RFI 0.5V/div. 0.5µs/div. Normal mode: play 1 CH1: RFI 2 CH2: MIRR 1V/div. 0.5ms/div. 5V/div. Test mode: Tracking open 1 CH1: RFI 1V/div. 2 CH2: MIRR 5V/div. 0.5ms/div. Normal mode: The defect part passes 800µm REFO → REFO → REFO → REFO → REFO → 3 CH1: FD 4 CH2: FO+ 0.5V/div. 0.2s/div. 2V/div. Test mode: No disc, Focus close 3 CH1: FD 0.5V/div. 0.2s/div. 5 CH2: FOK 2V/div. Normal mode: Focus close 6 CH1: FE 7 CH2: XSI 0.5V/div. 1ms/div. 2V/div. Normal mode: Focus close REFO → REFO → REFO → REFO → REFO → REFO → GND → 8 CH1: TE 9 CH2: TD 0.5V/div. 0.5ms/div. 0.5V/div. 8 CH1: TE 9 CH2: TD 0.5V/div. 0.5ms/div. 0.5V/div. 8 CH1: TE 9 CH2: TD 0.5V/div. 5ms/div. 0.5V/div. Test mode: 32 tracks jump (REV) Test mode: Single jump (REV) Test mode: 100 tracks jump (REV) REFO → REFO → REFO → REFO → REFO → REFO → 6 CH1: FE 3 CH2: FD 0.1V/div. 20ms/div. 3 CH1: FD 0.2V/div. 0 CH2: MD 0.5V/div. 0.5s/div. 3 CH1: FD 1V/div. 0 CH2: MD 0.5V/div. 0.5s/div. 1V/div. Normal mode: Play Normal mode: Focus close (12cm) Normal mode: Focus close (8cm) REFO → REFO → 30 REFO → REFO → REFO → REFO →

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30
DEH-P300,P3000,P200
1
RFI
0.5V/div. 0.5
μ
s/div.
Normal mode: play
1
CH1: RFI
1V/div.
2
CH2: MIRR
5V/div.
Test mode: Tracking open
0.5ms/div.
1
CH1: RFI
1V/div.
2
CH2: MIRR
5V/div.
Normal mode: The defect part
passes 800
μ
m
0.5ms/div.
3
CH1: FD
0.5V/div.
4
CH2: FO+
2V/div.
Test mode: No disc, Focus close
0.2s/div.
3
CH1: FD
0.5V/div.
5
CH2: FOK
2V/div.
Normal mode: Focus close
0.2s/div.
6
CH1: FE
0.5V/div.
7
CH2: XSI
2V/div.
Normal mode: Focus close
1ms/div.
REFO
→
8
CH1: TE
0.5V/div.
9
CH2: TD
0.5V/div.
Test mode: 32 tracks jump (REV)
0.5ms/div.
8
CH1: TE
0.5V/div.
9
CH2: TD
0.5V/div.
Test mode: Single jump (REV)
0.5ms/div.
8
CH1: TE
0.5V/div.
9
CH2: TD
0.5V/div.
Test mode: 100 tracks jump (REV)
5ms/div.
6
CH1: FE
0.1V/div.
3
CH2: FD
0.2V/div.
Normal mode: Play
20ms/div.
3
CH1: FD
0.5V/div.
0
CH2: MD
1V/div.
Normal mode: Focus close (12cm)
0.5s/div.
3
CH1: FD
0.5V/div.
0
CH2: MD
1V/div.
Normal mode: Focus close (8cm)
0.5s/div.
REFO
→
REFO
→
REFO
→
REFO
→
REFO
→
REFO
→
GND
→
REFO
→
REFO
→
REFO
→
REFO
→
REFO
→
REFO
→
REFO
→
REFO
→
REFO
→
REFO
→
REFO
→
REFO
→
-
Waveforms
Note:1.
The encircled numbers denote measuring pointes in the circuit diagram.
2.
Reference voltage
REFO:2.5V
REFO
→
REFO
→
REFO
→
REFO
→