Waveforms - Pioneer AVH-X7700BT/XNUC Service Manual

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1

10.26 WAVEFORMS

DVD Core Unit(MS7.2)
A
RF
0.2 V/div(AC) 100 ns/div
CDRF(x4CLV)
B
RF
0.5 V/div 100 us/div
DVDRF (BD1mm)
C
2.2 V
TD1
0.2 V/div 500 us/div
Multi 32FWD (DVD)
D
VHALF
CH1: TD1
0.5 V/div 10 ms/div
+
-
CH2: A
-A
10.0 V/div 10 ms/div (Oscilloscope LPF set to 10 kHz)
+
-
CH3: B
-B
10.0 V/div 10 ms/div (Oscilloscope LPF set to 10 kHz)
Traverse 900REV (short)
E
VHALF
0
0
F
148
1
2
Note: 1. Circled numbers represent the measurement point in the circuit diagram.
2. Reference voltage: 1.65V (TD1, FD1) (= VHALF)
2.2V (RF) (= VREF)
This waveform is monitored based on GND, and 1.65V or 2.2V
offset is inserted using the oscilloscope.
RF
0.2 V/div(AC) 50 ns/div
DVDRF(x1.3ZCAV)
TD1
0.1 V/div 100 us/div
Interval FWD (DVD)
VHALF
TD1
0.2 V/div 500 us/div
Multi 32REV (DVD)
VHALF
CH1: TD1
0.5 V/div 20 ms/div
+
-
CH2: A
-A
10.0 V/div 20 ms/div (Oscilloscope LPF set to 10 kHz)
+
-
CH3: B
-B
10.0 V/div 20 ms/div (Oscilloscope LPF set to 10 kHz)
Traverse 5000FWD (long)
VHALF
0
0
AVH-X7700BT/XNUC
2
3
TD1
0.1 V/div 100 us/div
Interval REV (DVD)
VHALF
CH1: TD1
0.5 V/div 10 ms/div
+
-
CH2: A
-A
10.0 V/div 10 ms/div
CH3: B
+
-B
-
10.0 V/div 10 ms/div
Traverse 900FWD (short)
VHALF
0
0
CH1: TD1
0.5 V/div 20 ms/div
+
-
CH2: A
-A
10.0 V/div 20 ms/div (Oscilloscope LPF set to 10 kHz)
+
-
CH3: B
-B
10.0 V/div 20 ms/div (Oscilloscope LPF set to 10 kHz)
Traverse 5000REV (long)
VHALF
0
0
3
4
1 RF
2 TD1
3 A+, A-
4 B+, B-
5 FD1
4

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