![QSC CX Series Скачать руководство пользователя страница 10](http://html1.mh-extra.com/html/qsc/cx-series/cx-series_service-manual_767404010.webp)
CX Series
Test Equipment
For testing, as outlined in this manual, the following equipment will be needed.
REQUIRED TEST EQUIPMENT SUGGESTED TEST EQUIPMENT
-
Distortion Analyzer capable of 0.05% THD+N
*
Audio Precision System One
-
High Power Load Bank (8, 4, & 2 ohms) for CX
-
Thermocouple probe
-
High Power Load Bank (4
0
,2
0
, & 10 ohms) for CX T
-
Function Generator
-
2
0
MHz Osc
i
lloscope
-
Digital Multimeter
-
Var
i
ac (
0
-l 40 VAC, 20-30A)
Audio Precision test and procedures files are made available, free of charge, from QSC Technical
Services by either sending a self addressed stamped envelope and a 3 1/2” disk to QSC, or by
logging on to QSC Online and downloading the appropriate files.
Test Point Schedule
The following test points are described for testing and troubleshooting references. These test
points are universal among all models. Actual voltages and current readings will vary.
AMPLIFIER SECTION
J502 Bed of Nails (J602 is for channel 2):
Pin 1 Negative 15VDC IC Supply,
P
in
2 Pos
i
tive 15VDC IC S u p p l y .
Pin 3 No Connect
i
on
Pin
4 Second Stage OpAmp.
Less than
1
00
mVDC offset.
P
in
5 No Connect
i
on
Pin 6 Positive Switched Bus Rail.
Test s
i
gnal super
i
mposed on DC voltages.
Pin 7 No Connection.
Pin
8 Negative Switched Bus Ra
i
l.
Test s
i
gnal superimposed on DC voltages.
Содержание CX Series
Страница 1: ...CX Series CX4 CX12 ...
Страница 2: ...CX Series CX4T CX1 2T ...
Страница 4: ......
Страница 6: ......
Страница 49: ...43 ...
Страница 50: ... CX Series 44 ...
Страница 51: ......
Страница 52: ...1 CX Series a 46 ...
Страница 53: ...1 I v 47 ...
Страница 54: ...CX Series 4a ...
Страница 55: ...CX Series ...
Страница 56: ...CX Series _ _____ i 50 ...
Страница 57: ... a C X S e r i e s t ...
Страница 59: ...CX Series ...
Страница 60: ...CX Series ...
Страница 61: ...H 5 5 ...
Страница 62: ...IWOHS A021 V X3 WVki3VlO ONMM xv LOmoo ix n3m osNvnl ...
Страница 64: ...I I oml ION om 104 I I INI I II kla 6waca SKDNNXXi3lM Nld Ol Nld IUM 3lm M36aRl6al mlm tl ...
Страница 65: ...CX Series 59 ...
Страница 66: ...CX Series 60 ...
Страница 67: ...CX Series i r ...
Страница 68: ...I I ____ d 62 ...
Страница 70: ...CX Series r 0 _________ a 64 ...
Страница 73: ... f 6 7 ...
Страница 74: ...L I CX Series 68 ...
Страница 75: ...1 I I 6 9 ...
Страница 80: ......
Страница 81: ......
Страница 82: ......
Страница 83: ......
Страница 84: ......
Страница 85: ......
Страница 86: ......
Страница 87: ...CX4 4T PCB Assemblies Component Side ...
Страница 88: ...C X 4 4 T P C B A s s e m b l i e s S o l d e r S i d e ...
Страница 90: ...CX6 6l 8 CXl2 12T Main Display Input PCB Assy Solder Side C 000944 00 REV A ...