DV-K301C
23
1
Q109-Emitter (RFI)
V: 100mV/div. H: 0.1
µ
S/div.
7
Q281-Collector (FG)
V: 1V/div. H: 5mS/div.
13
IC801-pin 39 (Y output)
V: 500mV/div. H: 10
µ
S/div.
2
TP (RFO)
V: 500mV/div. H: 0.1
µ
S/div.
8
Foot of R261 (FPWM)
V: 1V/div. H: 10
µ
S/div.
14
IC801-pin 36 (C output)
V: 500mV/div. H: 10
µ
S/div.
3
IC301-pin 19 (RF for A/D converter)
V: 1V/div. H: 0.2
µ
S/div.
9
Foot of R262 (VPWM)
V: 1V/div. H: 10
µ
S/div.
15
IC801-pin 45 (C
B
output when
selecting color difference output)
V: 500mV/div. H: 10
µ
S/div.
4
TP (Tracking Error)
V: 1V/div. H: 2mS/div.
10
Foot of R263 (PPWM)
V: 1V/div. H: 0.2
µ
S/div.
16
IC801-pin 39 (Y output when
selecting color difference output)
V: 500mV/div. H: 10
µ
S/div.
5
IC201-pin 39 (EFM before slice)
V: 1V/div. H: 1
µ
S/div.
11
Foot of R264 (RPWM)
17
IC801-pin 36 (C
R
output when
selecting color difference output)
V: 500mV/div. H: 10
µ
S/div.
6
IC201-pin 1 (EFM)
V: 1V/div. H: 0.2
µ
S/div.
12
IC801-pin 45 (Composite video output)
V: 500mV/div. H: 10
µ
S/div.
DC 2V
DC1.4V
GND
GND
GND
GND
GND
• WAVEFORMS OF DVDM ASSY
Note : The encircled numbers denote measuring point in the schematic diagram.
Measurement condition : No. 1 to 4 and 6 to 11 : Disc MJK1, Title 1-chp 1
No. 5
: CD, ABEX-784 Track 1
No. 12 to 14
: MJK1, Title 1-chp 4
No. 15 to 17
: MJK1, Title 1-chp 5
