Rotel RB 960BX Service Manual
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Extracted text from Rotel RB 960BX Service Manual (Ocr-read)
Page 1
HOTEL-x715
STEREO POWER AMPLIFIER
RB-QBOBX
TECHNICAL
MANUAL
TABLE OF CONTENTS
Alignment ....................... "
Chassis Layout.
Specifications .............
Printed Circuit Boards.
Schematic Diagram ............
Wiring Diagram ................. . . . ..
PC Board Assy Parts List ........................................................
THE RDTEL CD.. LTD.
1-358, OHOKAYAMA, MEGUHO»KU, TOKYO 152, JAPAN
RDTEL ELECTRONICS DEL, LTD.
3F-2. N035, FU HSiNG NORTH ROAD, TAIPEI, TAIWAN, REPUBLIC OF CHINA MN20001901
Page 2
Power Amplifier Bias Adjustment
Instruments:
DC milli-voltmeter
Notes: Prior to Bias Adjustment, run about 5 minutes with rated output
(8 ohm) and warm up Power Transistor and Heat Sink.
Set Volume control to minimum.
Coupling
Step Adjust Adjust for
Plus Lead Minus Lead
1 TP3 TPl VR601 DC milli-voltmeter
reads 4 mV
2 TP4 TP2 VR602
Chassis Layout
MAX nowuizwsom
:
SPEAKERS
MM
swncHEn
INPUI STEREO/BRIDGED
MONO
m
L511 9
use:
0601 uses uses use:
eels om
D O O D
0615 05 use: one
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afin EIDGD'J DE") u
s L
m
a menu vnsm am 061
am é: Ml 5' am
mi |] l H0
I] F60! _F602 _
1P! m _fl:fl_ 11:1]. 1:; 1:2
- - _F90l _ use! 0902 Fan:
D575 D U 052
-5903 . AF00711I. _F90L _ [I
O O 0
POWER POWER
YRANSFDRMER TRANSFORMER
H-78LGF Y'HSLGF
'XlOHIL
15-12
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