Pioneer SD-533HD5 Service Manual page 71

WAVEFORMS
Note : The encircled numbers denote measuring point in the schematic diagram.
A
SIGNAL ASSY
Input Signal
Input : INPUT 1 (COMPOSITE)
Video Signal : EIA Color-bar
Picture Quality : STANDARD
Range : DC Range (Unless otherwise noted)
2101-pin 18 (VIDEO OUT)
1
V: 0.5V/div. H: 10µsec/div.
(Input : TUNER)
Q2108 Emitter (TV1V)
2
V: 1V/div. H: 10µsec/div.
(Input : TUNER)
2101-pin 27 (L OUT)
3
V: 1V/div. H: 0.5msec/div.
(Input : TUNER)
1kHz 100% modulation
Foot of R2859 (MAIN Y)
4
IC2801-pin 39 (Y OUT)
V: 1V/div. H: 10µsec/div.
(Input : TUNER)
IC2801-pin 52 (LOUT 1)
5
V: 1V/div. H: 0.5µsec/div.
(Input : TUNER)
1kHz SIN wave (audio) 100% modulation
Foot of R2357 (YVM)
6
V: 1V/div. H: 10µsec/div.
GND
Q2505 Emitter (3DY)
7
V: 0.5V/div. H: 10µsec/div.
GND
Foot of R2511 (3DC)
8
V: 0.5V/div. H: 10µsec/div.
GND
Foot of R2622 (MY)
9
V: 0.2V/div. H: 10µsec/div.
(Range : AC Range)
GND
Foot of R2623 (MCB)
10
V: 0.2V/div. H: 10µsec/div.
(Range : AC Range)
GND
SD-533HD5, SD-643HD5
Foot of R2621 (MCR)
11
V: 0.2V/div. H: 10µsec/div.
(Range : AC Range)
GND
CN2601-pin 2 (MVSYNC)
12
V: 1V/div. H: 2msec/div.
GND
CN2601-pin 1 (MHSYNC)
13
V: 1V/div. H: 20µsec/div.
GND
C2701- − terminal (YVS)
14
V: 1V/div. H: 10µsec/div.
Q2705 Emitter (SY)
15
V: 0.2V/div. H: 10µsec/div.
(Range : AC Range)
Foot of R2731 (SCB)
16
V: 0.2V/div. H: 10µsec/div.
(Range : AC Range)
Foot of R2730 (SCR)
17
V: 0.2V/div. H: 10µsec/div.
(Range : AC Range)
GND
CN2603-pin 13 (SHSYNC)
18
V: 1V/div. H: 10µsec/div.
GND
CN2603-pin 12 (SVSYNC)
19
V: 1V/div. H: 2msec/div.
GND
CN2603-pin 4 (MCCY)
20
V: 1V/div. H: 10µsec/div.
GND
GND
GND
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