20
CDX-P2050VC,P2050VN,P2050VS
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: FOR
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
→
Содержание CDX-P2050VC/X1N/UC
Страница 6: ...6 CDX P2050VC P2050VN P2050VS 2 2 EXTERIOR ...
Страница 8: ...8 CDX P2050VC P2050VN P2050VS 2 3 CD MECHANISM MODULE ...
Страница 13: ...13 CDX P2050VC P2050VN P2050VS 5 6 7 8 5 6 7 8 D C B A B POWER UNIT F CN303 ...
Страница 14: ...14 CDX P2050VC P2050VN P2050VS 1 2 3 4 1 2 3 4 D C B A F VOICE UNIT G PCB ASSY ...
Страница 15: ...15 CDX P2050VC P2050VN P2050VS 5 6 7 8 5 6 7 8 D C B A B CN922 ...
Страница 18: ...18 CDX P2050VC P2050VN P2050VS 1 2 3 4 1 2 3 4 D C B A A2 2 A 1 2 SYSTEM CONTROLLER PD5512B ...
Страница 27: ...EJECT RESET MAG IC Q 27 CDX P2050VC P2050VN P2050VS D C B A 1 2 3 4 1 2 3 4 A SIDE B CD CORE UNIT A ...
Страница 29: ...29 CDX P2050VC P2050VN P2050VS D C B A 1 2 3 4 1 2 3 4 B POWER UNIT B SIDE B ...
Страница 33: ...33 CDX P2050VC P2050VN P2050VS D C B A 1 2 3 4 1 2 3 4 F VOICE UNIT F SIDE B ...
Страница 40: ...40 CDX P2050VC P2050VN P2050VS Grating waveform 45 0 75 60 30 90 Echt Xch 20mV div AC Fcht Ych 20mV div AC ...