Wave Forms - Pioneer DVR-520H-S Service Manual

1

3.13 WAVE FORMS

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3 7 63 1515 0
Note : The encircled numbers denote measuring point in the schematic diagram.
A
B
JCKB ASSY
IC601-pin 11 (L4)
1
(Function : Tuner 2 ch)
V: 1V/div. H: 200µsec/div.
B
CN401-pin 3 (UVIN)
2
(Function : Tuner 2 ch)
V: 500mV/div. H: 10µsec/div.
IC701-pin 27 (YSWO)
3
(Function : Line 1 Video in)
V: 500mV/div. H: 10µsec/div.
C
TE
L 13942296513
IC701-pin 25 (CSWO)
4
(Function : Line 1 Video in)
V: 500mV/div. H: 10µsec/div.
D
CN701-pin 29 (YVMtoT)
5
(Function : DVD play)
V: 500mV/div. H: 10µsec/div.
E
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F
46
1
http://www.xiaoyu163.com
2
CN701-pin 27 (CMtoT)
6
(Function : DVD play)
V: 500mV/div. H: 10µsec/div.
GND
IC701-pin 69 (VOUT)
7
(Function : DVD play)
V: 500mV/div. H: 10µsec/div.
GND
IC701-pin 65 (COUT)
8
(Function : DVD play)
V: 500mV/div. H: 10µsec/div.
GND
IC701-pin 63 (YOUT)
9
(Function : DVD play)
V: 500mV/div. H: 10µsec/div.
GND
GND
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y
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DVR-520H-S
2
http://www.xiaoyu163.com
3
8
JA702-pin 4 (COUT)
10
(Function : DVD play)
V: 500mV/div. H: 10µsec/div.
GND
(Not terminated)
(75Ω terminated)
GND
CN701-pin 5 (ALTtoM)
11
(Function : DVD play)
V: 1V/div. H: 200µsec/div.
Q Q
3 6 7 1 3
GND
CN701-pin 17 (ALMtoT)
12
(Function : DVD play)
V: 2V/div. H: 200µsec/div.
GND
CN701-pin 25 (YGMtoT)
13
(Function : DVD play)
V: 500mV/div. H: 10µsec/div.
u163
.
3
4
2 9 9 4 2 8
CN701-pin 23 (CBBMtoT)
14
(Function : DVD play)
V: 500mV/div. H: 10µsec/div.
GND
CN701-pin 21 (CRRMtoT)
15
(Function : DVD play)
V: 500mV/div. H: 10µsec/div.
GND
IC701-pin 60 (PYRSCOUT)
16
(Function : DVD play)
V: 500mV/div. H: 10µsec/div.
1 5 0 5 8 2 9 9 4
GND
IC701-pin 58 (CRGOUT)
17
(Function : DVD play)
V: 500mV/div. H: 10µsec/div.
GND
IC701-pin 56 (CBBOUT)
18
(Function : DVD play)
V: 500mV/div. H: 10µsec/div.
GND
m
co
4
9 9
GND
GND
2 8 9 9
GND
GND
GND