DV-K303C
WAVEFORMS
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
No. 15 to 17: MJK1, Title 1-chp 5
Foot of R169 (RF)Q281 - Collector (FG)IC18 - pin 39 (Y output)
1713
V: 100mV/div. H: 0.2?sec/div.V: 1V/div. H: 5msec/div.V: 0.2V/div. H: 5msec/div.
GND
GNDGND
CN7 - pin 5, 6 (RFO)Foot of R261 (FPWM)IC18 - pin 6 (C output)
2814
V: 500mV/div. H: 0.1?sec/div.V: 1V/div. H: 5msec/div.V: 0.2V/div. H: 5msec/div.
GND
GNDGND
IC12 - pin 70 (MY CHIP input)Foot of R262 (VPWM)IC18 - pin 45 (CB output when
3915
V: 1V/div. H: 0.2?sec/div.V: 1V/div. H: 5msec/div.selecting color difference output)
V: 0.2V/div. H: 5msec/div.
GND
GNDGND
CN7 - pin 9, 10 (Tracking Error)Foot of R263 (PPWM)IC18 - pin 39 (Y output when
41016
(AI-Inner Tracking Off)V: 1V/div. H: 5msec/div.selecting color difference output)
V: 500mV/div. H: 2msec/div.V: 0.2V/div. H: 5msec/div.
GND
GND
IC2 - pin 39 (EFM before slice)Foot of R264 (RPWM)IC18 - pin 36 (CR output when
5V: 1V/div. H: 1?sec/div.11V: 1V/div. H: 5msec/div.17selecting color difference output)
V: 2V/div. H: 5msec/div.
GND
GND
IC2 - pin 1 (EFM)IC18 - pin 45
612
V: 1V/div. H: 0.2?sec/div.(Composite Video output)
V: 2V/div. H: 1msec/div.
GNDGND
30 |
ACEC
PIONEER
