DV-47A, DV-S733A, DV-747A
46
1
Foot of R104 (RF)
V: 100mV/div. H: 0.2
µ
sec/div.
2
Q106-emitter (RFO)
V: 500mV/div. H: 0.1
µ
sec/div.
3
4
IC101-pin 35 (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
IC251 - pin 24 (FG)
V: 1V/div. H: 5msec/div.
1
IC601 - pin 44
(Composite Video output)
V: 0.2V/div. H: 10
µ
sec/div.
2
IC601 - pin 43 (Y output)
V: 0.2V/div. H: 10
µ
sec/div.
3
IC601 - pin 42 (C output)
V: 0.2V/div. H: 10
µ
sec/div.
4
IC601 - pin 37 (R output)
V: 0.2V/div. H: 20
µ
sec/div.
5
IC601 - pin 39 (G output)
V: 0.2V/div. H: 20
µ
sec/div.
6
IC601 - pin 38 (B output)
V: 0.2V/div. H: 20
µ
sec/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.
GND
GND
GND
DVDM ASSY
B
AVJB ASSY
C
WAVEFORMS
Note : The encircled numbers denote measuring point in the schematic diagram.
Measurement condition : No. 1 to 4 and 6 to 11 : MJK1, Title 1-chp 1
No. 5
: CD, ABEX-784 Track 1
Measurement condition : No. 1 to 3
: MJK1, Title 1-chp 4
No. 4 to 6
: T2-19, Color-bar
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