Waveforms - Pioneer CB-A802 Service Manual

1

3.13 WAVEFORMS

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3 7 63 1515 0
A
DVDM ASSY
A
Note: The numbers for the waveform photos (circled) are identical to those for the schematic diagrams, PCB diagrams,
and troubleshooting flowcharts.
IC101-pin3 (RFP)
1
V:200 mV/div. H:0.1 µsec/div.
B
IC101-pin60 (RFO)
2
V:500 mV/div. H:0.1 µsec/div.
C
TE
L 13942296513
D
IC101-pin42 (TE)
4
V:500 mV/div. H:2 msec/div.
E
IC201-pin39 (EFMIN)
5
V:0.5 V/div. H:0.2 µsec/div.
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1
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2
IC201-pin1 (EFMOUT)
6
V:1 V/div. H:0.2 µsec/div.
AC MODE
GND
IC202-pin24 (FG)
7
V:1 V/div. H:5 msec/div.
AC MODE
GND
IC701-pin147 (FPWM)
8
V:1 V/div. H:10 µsec/div.
IC701-pin146 (VPWM)
9
V:1 V/div. H:10 µsec/div.
AC MODE
GND
IC701-pin143 (PPWM)
10
V:1 V/div. H:0.2 msec/div.
DC MODE
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GND
2
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3
IC701-pin142 (RERR)
11
V:1 V/div. H:5 msec/div.
DC MODE
GND
CN901-pin18 (CV)
12
V:200 mV/div. H:10 µsec/div.
DC MODE
GND
Q Q
3 6 7
CN901-pin20 (S_C)
13
V:200 mV/div. H:10 µsec/div.
DC MODE
GND
CN901-pin22 (S_Y)
14
V:200 mV/div. H:10 µsec/div.
DC MODE
GND
CN901-pin24 (Y) [INTERLACE]
15
V:200 mV/div. H:10 µsec/div.
DC MODE
u163
y
GND
DVD-V8000
3
4
2 9 9 4
8
CN901-pin26 (Cb) [INTERLACE]
16
V:200 mV/div. H:10 µsec/div.
DC MODE
GND
CN901-pin28 (Cr) [INTERLACE]
17
V:200 mV/div. H:10 µsec/div.
AC MODE
GND
1 3 1 5 0 5 8 2 9
CN901-pin24 (Y) [PROGRESSIVE]
18
V:200 mV/div. H:10 µsec/div.
AC MODE
GND
CN901-pin26 (Cb) [PROGRESSIVE]
19
V:200 mV/div. H:10 µsec/div.
AC MODE
GND
CN901-pin28 (Cr) [PROGRESSIVE]
20
V:200 mV/div. H:10 µsec/div.
AC MODE
m
co
GND
.
4
2 8
9 9
AC MODE
GND
AC MODE
GND
9 4 2 8 9 9
AC MODE
GND
AC MODE
GND
AC MODE
GND