Pioneer PRO-630HD Service Manual page 94

1
QQ
3 7 63 1515 0
WAVEFORMS and VOLTAGES
A
Note : The encircled numbers denote measuring point in the schematic diagram.
P 2/3
POWER SUPPLY ASSY
• Input signal
Input : INPUT 1 (COMPOSITE)
Video Signal : EIA color-bar
CN401 - pin 1 (RVD)
109
V: 10V/div. H: 2msec/div.
B
110 CN401 - pin 3 (RHD)
V: 10V/div. H: 2msec/div.
C
TE
CN402 - pin 1 (GVD)
111 L 13942296513
V: 10V/div. H: 2msec/div.
D
E
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F
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CN402 - pin 3 (GHD)
112
V: 10V/div. H: 2msec/div.
GND
CN403 - pin 1 (BVD)
113
V: 10V/div. H: 2msec/div.
GND
CN403 - pin 3 (BHD)
114
V: 10V/div. H: 2msec/div.
GND
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PRO-730HD
2
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8
IC401 (STK392-180)
No Voltage (V)
1 0
2 0
3 -19.0
4 -20.2
5 22.0
GND
6 -
7 -
8 -20.2
9 -
10 22.0
11 -
12 -20.2
13 -
14 -
15 -
GND
16 -
17 -20.2
18 -
Q Q
3 6 7 1 3
GND
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3
4
2 9 9 4 2 8
IC402 (STK392-180)
No Voltage (V)
1 0
2 0
3 -19.0
4 -20.2
5 22.0
6 -
7 -
8 -20.2
9 -
10 22.0
11 -
12 -20.2
13 -
14 -
15 -
16 -
17 -20.2
18 -
1 5 0 5 8 2 9 9 4
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4
9 9
2 8 9 9