24
DEH-P77DH,P47DH
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 (FWD)
0.5ms/div.
8
CH1: TE
0.5V/div.
9
CH2: TD
0.5V/div.
Test mode: Single jump (FWD)
0.5ms/div.
8
CH1: TE
0.5V/div.
9
CH2: TD
0.5V/div.
Test mode: 100 tracks jump (FWD)
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 DEH-P47DHUC
Страница 5: ...5 DEH P77DH P47DH 2 2 EXTERIOR ...
Страница 8: ...8 DEH P77DH P47DH 2 3 CD MECHANISM MODULE ...
Страница 19: ...19 DEH P77DH P47DH 5 6 7 8 5 6 7 8 D C B A B KV1410 23 ...
Страница 21: ...21 DEH P77DH P47DH 5 6 7 8 5 6 7 8 D C B A CN901 C A CN651 ...
Страница 27: ...27 DEH P77DH P47DH ...
Страница 29: ...29 DEH P77DH P47DH 5 6 7 8 5 6 7 8 D C B A A SIDE A IP BUS IN CN701 D B ...
Страница 30: ...30 DEH P77DH P47DH 1 2 3 4 1 2 3 4 D C B A A A TUNER AMP UNIT ...
Страница 31: ...31 DEH P77DH P47DH 5 6 7 8 5 6 7 8 D C B A A SIDE B ...
Страница 32: ...32 DEH P77DH P47DH 1 2 3 4 1 2 3 4 D C B A 4 2 FM AM TUNER UNIT B SIDE A B FM AM TUNER UNIT A ...
Страница 33: ...33 DEH P77DH P47DH 1 2 3 4 1 2 3 4 D C B A B SIDE B B FM AM TUNER UNIT ...
Страница 35: ...35 DEH P77DH P47DH 1 2 3 4 1 2 3 4 D C B A C C KEYBOARD UNIT SIDE B A CN651 ...
Страница 37: ...37 DEH P77DH P47DH D C B A 1 2 3 4 1 2 3 4 CLAMP SIDE B CONTROL UNIT D D ...
Страница 50: ...50 DEH P77DH P47DH Grating waveform Ech Xch 20mV div AC Fch Ych 20mV div AC 45 0 75 60 30 90 ...
Страница 61: ...61 DEH P77DH P47DH PML004AF S 81250SGUP GND VIN VOUT 3 2 1 PA2028A ...
Страница 65: ...65 DEH P77DH P47DH SEGMENT 7 2 2 DISPLAY CAW1565 COMMON ...