Pioneer AVIC-X940BT, Service Manual

Page: 248 / 292

AVIC-X940BT/XNUC
248
1 2 3 4
1 2 3 4
C
D
F
A
B
E
10.18 WAVEFORMS
-
Waveforms Note:1. The encircled number denote measuring points in the circuit diagram.
2. Reference voltage: 1.65 V(TD1,FD1)(=VHALF)
2.2 V(RF)(=VREF)
In the waveform, it is seeing on the GND standard.
Offset of 1.65 V or 2.2 V is put in.
1
RF 0.2 V/div 100 s/div
CDRF(x4CLV)
1
RF 0.2 V/div 50 s/div
DVDRF(x1.5CLV)
1
RF 0.5 V/div 50 us/div
DVDRF(BD1mm)
2
TD1 0.5 V/div 100 us/div
Interval FWD(DVD)
VHALF
t
VREF1
t
GND
t
VHALF
t
2
TD1 0.5 V/div 100 us/div
Interval REV(DVD)
2
TD1 0.5 V/div 500 us/div
Multi 32FWD(DVD)
VHALF
t
2
TD1 0.5 V/div 500 us/div
Multi 32REV(DVD)
VHALF
t
CH1 :
2
TD1 0.5 V/div 10 ms/div
CH2 :
3
LECRGM-LECRGP 2.0 V/div 10 ms/div
Traverse 1001FWD(short)(DVD)
VHALF
t
CH1 :
2
TD1 0.5 V/div 10 ms/div
CH2 :
3
LECRGM-LECRGP 2.0 V/div 10 ms/div
Traverse 1001REV(short)(DVD)
GND
t
VHALF
t
CH1 :
2
TD1 0.5 V/div 50 ms/div
CH2 :
3
LECRGM-LECRGP 2.0 V/div 50 ms/div
Traverse 5001FWD(long)(DVD)
GND
t
VHALF
t
CH1 :
2
TD1 0.5 V/div 50 ms/div
CH2 :
3
LECRGM-LECRGP 2.0 V/div 50 ms/div
Traverse 5001REV(long)(DVD)
GND
t
VHALF
t
CH2 :
3
LECRGM-LECRGP 2.0 V/div 200 ms/div
ID search Inside
t
Outside(DVD)
GND
t