Rotel RA 612 Service Manual
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Extracted text from Rotel RA 612 Service Manual (Ocr-read)
Page 1
HOTEL.
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INTEGRATED STEREO AMPLIFIER
PIA-21 2+2
7 , 22 ,BA:§2122727T7
, @2617? 7727:77
TABLE OF CONTENTS
CHASSIS LAYOUT (RASIQI TOP VIEW ................... 2
777£HA7ssm LAYJQECAEQ) BOTTOM WET; ,,,,,,, 73777 7 7
T CHASSIS LAYOUT (RA812I7'EII7WETV7ffl .................. 74 7 T
CHASSIS LAYOUT (RABIZI BOTTOM VIEW ................ : iii
7 ééééXJTTéJs T ........ 7.: ..................................... 775
72 2222 22 2 2 6:
OVERLOAD PROTECTION LEVEL ADJUSTMENT
METER CALIBRATION ADJUSTMENT IRA 812 only)
GAIN DIAGRAM (RA 612 only) ................................. 7
TROUBLE SHOOTING ............................................ 8
RA- BIZ/RA 612 PHONO, MAIN AMP. 84
PHONO INPUT SELECTOR CIRCUIT BOARD DIAGRAM
VOLUME CONTROL CIRCUIT BOARD DIAGRAM ..............
10
DIN TAPE MONITOR CIRCUIT BOARD DIAGRAM ........... IO
10
RA 612 TONE CONTROL AMP. 81 RA 812 TONE CONTROL AMP.
CIRCUIT BOARD DIAGRAMS .............. 11~12
R7X-SI7277OIIASSIS 7S:H7EMATIC DIAGRAM .......... 13 ~15
7 RA~812 CHASSIS SCHEMATIC DIAGRAM ............... 16 ~18
TREPAIR PARTS LIST
77777 RAGIZonIy- RA8170nly , .. :H.7. .......... 19
i22222, 2 2 2 20 .2
Both of RA- 612 84 RA 812
fiTECHNICAL MANUAL;
Page 2
CHASSIS LAYOUT RA-612
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Volume Control Circuit Board
Volume Control
Tone Control Amp. Circuit Board
Function Selector Switch
Monitor Switch
Treble Control (Right)
Treble Control (Left)
Speakers Switch
Headphone Jack
Main Amp. Circuit Board
0001, Smoothing Capacitor
C002, Smoothing Capacitor
Power Transformer
VR603, Overload Protection Level Adj. (Left)
VR601, Bias Adi. (Left)
0001, Power Transistor, (Left)
AC Outlet
TOP VIEW
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
AC Fuse
Speaker-2 Terminals
AC Outlet
Speaker-1 Terminals
0611, Power Transistor (Left)
Tape Monitor-2 Terminals
Tape Monitor-1 Terminals
AUX Terminals
Tuner Input Terminals
Phono Input Terminals
Phono Input Din Jack
0613, Power Transistor (Right)
0612, Power Transistor (Right)
VR602, Bias Adi. (Right)
VR604, Overload Protection Level Adj. (Right)
RY601, Overload Protection Relay