Wave Forms - Pioneer DVR-543H-S Service Manual

1

3.14 WAVE FORMS

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3 7 63 1515 0
Note : The encircled numbers denote measuring point in the schematic diagram.
A
TUJB ASSY
A
Measurement Condition :
No.1, No.19 : 1kHz, 2Vrms
No.2 : 1kHz, MONO. 60% mod
No.4 - No.18 : 75% Color-bar (100 / 0 / 75 / 0)
IC201- pin 18,C224+side
1
(Audio Lch) (Function:L1)
Audio Sel Output
V:1V/div. H:200usec/div
B
IC201 - Pin6,C216 +side
2
(Audio Lch) (Function:2ch)
Tuner Audio Output
V:1V/div. H:200usec/div
C
TE
L 13942296513
3
D
C301 - pin1
4
(Function: 2ch)
UVIN
V:500mV/div. H:10usec/div
E
5
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F
40
1
http://www.xiaoyu163.com
2
IC301, pin29(Y)
6
(Function L1)
Video Sel Output (Y)
V:500mV/div H:10us/div
GND
IC301, pin31( C )
7
(Function L1)
Video Sel Output ( C )
V:500ms/div H:10us/div
GND
IC501, pin8( Y )
8
(Function PLAY)
Video Dri Input (Y)
V:500mV/div H:10us/div
IC501, pin 4 ( C )
9
(Function PLAY)
Video Dr Input ( C )
V:500mV/div H:10us/div
GND
IC501, pin27 ( Y )
10
(Function PLAY)
Video Dr Output ( C )
V:500mV/div, H:10us/div
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y
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DVR-640H-S
2
http://www.xiaoyu163.com
3
8
IC501, pin32 ( C )
11
(Function PLAY)
Video Dri Output ( C )
V:500mv/div H:10us/div
GND
IC501, pin29 ( Vcbs )
12
(Function PLAY)
Video Dri Output (Cvbs)
V:500mV/div H:10us/div
GND
Q Q
3 6 7 1 3
IC501, pin11( Yp )
13
(Function PLAY)
Video Dri Input (Yp)
V:500mV/div H:10us/div
GND
IC501, pin13( Cb )
14
(Function PLAY)
Video Dri Input (Cb)
V:500mV/div H:10us/div
GND
Video Dri Input (Cr)
15
(Function PLAY)
Video Dri Input (Cb
V:500mV/div H:10us/div
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.
GND
3
4
2 9 9 4 2 8
IC501, pin24( Yp ), C519+side
16
(Function PLAY)
Video Dri Output (Yp)
V:500mV/div H:10us/div
GND
IC501, pin21( Cb ), C520+side
17
(Function PLAY)
Video Dri Output (Cb)
V:500mV/div H:10us/div
GND
1 5 0 5 8 2 9 9 4
IC501, pin18( Cr ), C521+side
18
(Function PLAY)
Video Dri Output (Cr)
V:500mV/div H:10us/div
GND
CN401,pin15( Lch), C549+side
19
(Function PLAY)
Audio Output (Lch)
V:2.00V/div H:200us/div
GND
m
co
GND
4
9 9
GND
GND
2 8 9 9
GND
GND