Yamaha r 500
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Extracted text from yamaha r 500 (Ocr-read)
Page 1
STEREO RECEIVER
R®6©©
SERVICE MANUAL
I FRONT PANEL
0 POWER switch
. AM diaI scale
0 FM dial scale
. Tuning indicator
. SIGNAL QUALITY indicators
. STATION LOCK indicator
0 FM STEREO indicator
0 TUNING knob
0 PHONES jack
0 SPEAKERS switches
I CONTENTS
REAR PANEL ......................
INTERNAL COMPONENTS .............
SPECIFICATIONS ....................
DISASSEMBLY PROCEDURES ...............
DIAL MECHANISM .......................
ADJUSTMENTS .........................
BLOCK DIAGRAM ...................
WIRING ...........................
SCHEMATIC DIAGRAM ................
. BASS control
. TREBLE control
0 BALANCE control
0 REc OUT selecxor
0 INPUT selector
. LOUDNESS commI
0 MODE switch
. VOLUME control
C TUNER switch
0 FM MUTING/S. LOCK switch
..................................... 1
.................................... 1
..................................... 2
...... 5/6/7/8
..................................... 9
.................................... 10
.................................... II
YAMAHA
NIPPON GAKKI CD LTD HAMAMATSU, JAPAN
Ts
Page 2
n-soo
I REAR PANEL
UVS.A and Canndinn Models
mmmmm
mm "mo-um
i G
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0 FM ANTENNA terminal (759 UNBAL)
. FM ANTENNA terminals (3000 BAL)
0 GND (Earth) terminal
0 AM ANTENNA terminal
0 GND terminal
0 PHONO input terminals
. AUX input terminals
I INTERNAL COMPONENTS
OTop View
9 9900
0 TAPE 1 terminals (TAPE PB and REC OUT)
0 TAPE 2 terminals (TAPE PB and REC OUT)
0 AM loop antenna
. AC OUTLETS
0 Power cord
0 SPEAKERS output terminals A/B
. Power transformer
0 AC outlets
0 Electrolytic capacitor
(0340, 341)
9 Hear Slnk
0 Tuner or board 1
0 Front-end pack (PK101)
. Flywheel
0 input selector switch
(SW102)
0 Rec out selector switch
(SW101 )
0 Dial pointer
0 Power IC (Iczoa)
.9 Main c. board I
0 Relay (HY301)
. Voltage amplifier IC (IC302)