Yamaha r 700
This is the 30 pages manual for yamaha r 700.
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Extracted text from yamaha r 700 (Ocr-read)
Page 1
STEREO RECEIVER
7®7©©/7O©M
SERVICE MANUAL
I FRONT PANEL
if
@i 11:) IE) it; (D
5 POWER (Power Switch)
@ RX MODE (RX Mode Indicators)
(3) FM STEREO (FM Stereo Indicator)
0 STATION LOCK (Station Lock Indicator)
0 SIGNAL OUALITY (Signal Quality Indicator)
(5 AM/FM Indicators
0 Digital Frequency Readout
(I) MEMORY (Memory Button)
(.9 TUNING (Tuning Button)
(It) PRE SET STATION (Pre Set Station Buttons)
i3) FM/AM (Band Select Buttons)
IE VOLUME (Volume Control)
I CONTENTS
REAR PANEL ..........................
INTERNAL VIEW .......................
SPECIFICATIONS .......................
DISASSEMBLY PROCEDURES ..............
ADJUSTMENTS ........................
BLOCK DIAGRAM ......................
WIRING ..............................
SCHEMATIC DIAGRAM ...................
@4425
...................................... 3
...................................... 10
...................................... 12
...................................... 14
(9496302er
1) PHONES (Headphone Jack)
{B SPEAKERS (Speaker Selector)
{9 HIGH (High Filter Switch)
013 BASS (Bass Control)
0]) TREBLE (Treble Control)
® SPATIAL EXPANDER (Spatial Expander Control)
m REC OUT (Rec Out Selector)
a9 INPUT (Input Selector)
a) BALANCE (Balance Control)
@ LOUDNESS (Loudness Control)
(3 MODE (Mode Switch)
@ FM MUTING (FM Muting Switch)
1
1
2
SINCE 1887
NIPPON GAKKI CO, LTD HAMAMATEIJ JAPAN
87 3 2 5K KT Lu .. @ Puma In Jamn
Page 2
R-700/700M
I REAR PANEL
* AUX Input Termlnals
Tape 1 REC/PB Termlnals
a Tape 2 REC.PB Termlnals
Power Cord
AC Outlets
. Speaker Termlnals
- GND (Ground) Termlnal
leno lnput Termlnals
FM Antenna Terminal, 75 ohms Unbal,
FM Antenna Termlnal, 300 ohms Bal.
GND (Ground) Terminal
3 AM Antenna Terminal
I INTERNAL VIEW
1 AM Loop Antenna
Tuner C. Board-1
RF Front End
Fower Switch
Tuner C. Board~2
R7700M: GA6434 Control C. Boardrl
Australian and Britlsh model: GA6428 er Control C. Board-2
N,European and W.Germany model: GA6426 is} Tuner C. Board-3
22* Main C. Boardrl
33" Power Transformer
USA. model. GA6424
Canadian model: GA6425
General model:
R7700: GA6427