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

1

3.15 WAVE FORMS

Note : The encircled numbers denote measuring point in the schematic diagram.
A
B
JCKB ASSY
Measurement condition ;
No.1, No.19 to No.31
No.3, No.16
No.2, No.32, No.33
No.17, No.18
CN401-pin 3 (UVOUT)
1
(Function : Tuner 2 ch)
V: 500mV/div. H: 10µsec/div.
B
CN402-pin 6 (4L)
2
(Function : Tuner 2 ch)
V: 1V/div. H: 200µsec/div.
C
IC501-pin 25 (V/Yout)
3
(Function : DVD play)
V: 500mV/div. H: 10µsec/div.
D
IC701-pin 60 (R/Cout)
4
(Function : DVD play)
V: 500mV/div. H: 10µsec/div.
CN701-pin 58 (G)
5
(Function : DVD play)
V: 500mV/div. H: 10µsec/div.
E
F
48
1
2
: 75% Color-bar
: 75% Color-bar, APX disc 1-24
: 1kHz, 2Vrms
: 1kHz, 2Vrms, APX disc 1-1
CN701-pin 56 (B)
6
(Function : DVD play)
V: 500mV/div. H: 10µsec/div.
GND
IC701-pin 60 (R/C)
7
(Function : DVD play)
V: 500mV/div. H: 10µsec/div.
GND
IC701-pin 63 (YOUT2)
8
(Function : DVD play)
V: 500mV/div. H: 10µsec/div.
GND
IC701-pin 65 (COUT2)
9
(Function : DVD play)
V: 500mV/div. H: 10µsec/div.
GND
IC701-pin 68 (CVOUT2)
10
(Function : DVD play)
V: 500mV/div. H: 10µsec/div.
GND
2
3
CN701-pin 29 (YOUT)
11
(Function : DVD play)
V: 500mV/div. H: 10µsec/div.
GND
CN701-pin 27 (COUT)
12
(Function : DVD play)
V: 500mV/div. H: 10µsec/div.
GND
CN701-pin 25 (GOUT)
13
(Function : DVD play)
V: 500mV/div. H: 10µsec/div.
GND
CN701-pin 23 (BOUT)
14
(Function : DVD play)
V: 500mV/div. H: 10µsec/div.
GND
CN701-pin 21 (ROUT)
15
(Function : DVD play)
V: 500mV/div. H: 10µsec/div.
GND
DVR-520H-S
3
4
IC503-pin 2 (YCMIX)
16
(Function : DVD play)
V: 500mV/div. H: 10µsec/div.
GND
IC501-pin 42 (Lout)
17
(Function : DVD play)
V: 2V/div. H: 200µsec/div.
GND
CN701-pin 17 (ALMtoT)
18
(Function : DVD play)
V: 2V/div. H: 200µsec/div.
GND
JA502-pin 20 (V/Yin)
19
(Function : LINE1 IN)
V: 500mV/div. H: 10µsec/div.
GND
JA502-pin 15 (R/Cin)
20
(Function : LINE1 IN)
V: 500mV/div. H: 10µsec/div.
GND
4
GND
GND
GND
GND
GND