Waveforms - Pioneer DVR-231-S Service Manual

1

3.9 WAVEFORMS

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3 7 63 1515 0
Note : The encircled numbers denote measuring point in the schematic diagram.
A
A
JCKB ASSY
IC601 - pin 18 (L_IN)
1
(Function : Line 1 Audio in)
V: 1V/div. H: 200µsec/div.
B
CN301 - pin 15 (Y_OUT)
2
(Function : DVD play)
V: 0.5V/div. H: 200µsec/div.
C
TE
L 13942296513
CN301 - pin 13 (C_OUT)
3
(Function : DVD play)
V: 0.5mV/div. H: 200µsec/div.
D
CN301 - pin 17 (YP_OUT)
4
(Function : DVD play)
V: 0.5mV/div. H: 200µsec/div.
E
CN301 - pin 18 (CB_OUT)
5
(Function : DVD play)
V: 0.5mV/div. H: 200µsec/div.
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F
28
1
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2
CN301 - pin 19 (CR_OUT)
6
(Function : DVD play)
V: 0.5mV/div. H: 200µsec/div.
GND
CN301 - pin 23 (L_OUT)
7
(Function : DVD play)
V: 2V/div. H: 200µsec/div.
GND
IC401 - pin 33 (CVBS)
8
(Function : DVD play)
V: 0.5V/div. H: 200µsec/div.
GND
IC401 - pin 28 (Y1)
9
(Function : DVD play)
V: 0.5V/div. H: 200µsec/div.
GND
IC401 - pin 31 (C)
10
(Function : DVD play)
V: 0.5V/div. H: 200µsec/div.
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y
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GND
DVR-231-S
2
http://www.xiaoyu163.com
3
8
IC401 - pin 25 (Y2)
11
(Function : DVD play)
V: 0.5V/div. H: 200µsec/div.
GND
IC401 - pin 23 (Cb)
12
(Function : DVD play)
V: 0.5V/div. H: 200µsec/div.
Q Q
3 6 7 1 3
GND
IC401 - pin 21 (Cr)
13
(Function : DVD play)
V: 0.5V/div. H: 200µsec/div.
GND
U601 - pin 17 (4V)
14
(Function : Tuner 2 ch)
V: 0.5V/div. H: 10µsec/div.
GND
U601 - pin 6 (4L)
15
(Function : Tuner 2 ch)
V: 0.5V/div. H: 200µsec/div.
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GND
3
4
2 9 9 4 2 8
IC402 - pin 19 (Y_IN)
16
(Function : Line 1 Video in)
V: 0.5V/div. H: 10µsec/div.
GND
IC402 - pin 20 (C_IN)
17
(Function : Line 1 Video in)
V: 0.5V/div. H: 10µsec/div.
1 5 0 5 8 2 9 9 4
GND
GND
GND
m
co
GND
4
9 9
GND
2 8 9 9
GND