DV-636D
36
WAVEFORMS
DVDM ASSY
Note : The encircled numbers denote measuring point in the schematic diagram.
Measurement condition : No. 1 to 4 and 6 to 11 : Disc MA1, Title 1-chp 1
No. 5
: CD, ABEX-784 Track 1
No. 12 to 14
: MJK1, Title 1-chp 4 or T2-1
No. 15 to 17
: MJK1, Title 1-chp 5 or T2-19
No. 18 to 20
: T2-19, Color-bar (WYXJ and WVXJ Types only)
1
Foot of R169 (RF)
V: 100mV/div. H: 0.2
µ
sec/div.
2
CN201 - pin 5, 6 (RFO)
V: 500mV/div. H: 0.1
µ
sec/div.
3
IC701 - pin 170 (MY CHIP input)
V: 1V/div. H: 0.2
µ
sec/div.
4
CN201 - pin 9, 10 (Tracking Error)
(AI-Inner Tracking Off)
V: 500mV/div. H: 2msec/div.
IC201 - pin 39 (EFM before slice)
V: 1V/div. H: 1
6
IC201 - pin 1 (EFM)
V: 1V/div. H: 0.2
µ
sec/div.
7
Q281 - Collector (FG)
V: 1V/div. H: 5msec/div.
8
Foot of R261 (FPWM)
V: 1V/div. H: 5msec/div.
9
Foot of R262 (VPWM)
V: 1V/div. H: 5msec/div.
10
Foot of R263 (PPWM)
V: 1V/div. H: 5msec/div.
Foot of R264 (RPWM)
V: 1V/div. H: 5msec/div.
12
IC806 - pin 1
(Composite Video output)
V: 0.2V/div. H: 10
µ
sec/div.
13
IC806 - pin 4 (Y output)
V: 0.2V/div. H: 10
µ
sec/div.
14
IC806 - pin 7 (C output )
V: 0.2V/div. H: 10
µ
sec/div.
IC806 - pin 1 (C
B
output when
selecting color difference output)
V: 0.2V/div. H: 10
µ
sec/div.
15
IC806 - pin 4 (Y output when
selecting color difference output)
V: 0.2V/div. H: 10
µ
sec/div.
16
IC806 - pin 7 (C
R
output when
selecting color difference output)
V: 0.2V/div. H: 10
µ
sec/div.
18
IC806 - pin 23
(R output when select RGB)
V: 0.5V/div. H: 10
µ
sec/div.
19
IC806 - pin 20
(G output when select RGB)
V: 0.5V/div. H: 10
µ
sec/div.
20
IC806 - pin 17
(B output when select RGB)
V: 0.5V/div. H: 10
µ
sec/div.
GND
GND
GND
GND
17
GND
GND
GND
GND
GND
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
