Yamaha A-S700 Support Question
Yamaha A-S700 Support Question
Find answers below for this question about Yamaha A-S700 - Amplifier.Need a Yamaha A-S700 manual? We have 1 online manual for this item!
Question posted by stefan6309 on August 19th, 2022
Yamaha A-s700 Amplifier Don't Start.
I can't start my amplifier anymore. It's completely dead with no led's on, not even the on button. I got the service manual and measured the power supply and it looks ok. The cpu is used in the startup process and for me it looks like this is not running.The 5V to cpu is ok.The power button goes to one if the inputs, this looks ok.The reset signal is high and this should be ok to start the cpu.There is also circuit to detect incomming power and this looks also ok.Are here anyone how have experience with this amplifier?I found a place to buy a new cpu, maybe this is nessesery.I just try to know more about this problem to be sure there is no other problem to course this problem.Are there any good ways to measure if the cpu is alive?Many thanks in advance.Stefan
Current Answers
Answer #1: Posted by hzplj9 on August 20th, 2022 2:51 PM
hzplj9
Member since:
June 25th, 2012 Points: 4,873,510
Member since:
June 25th, 2012 Points: 4,873,510
I cannot offer much but this youtube video may help.
www.youtube.com/watch?v=JTeq07wL2aU
Have you tried a reset maybe as you have the service manual?
https://www.manualslib.com/manual/915536/Yamaha-A-...
Good luck with that.
Related Yamaha A-S700 Manual Pages
Owner's Manual - Page 1
UAB
Integrated Amplifier Amplificateur Intégré
OWNER'S MANUAL MODE D'EMPLOI
Owner's Manual - Page 2
... Please record the serial number of important operating and maintenance (servicing) instructions in the space below. Install in accordance
with the manufacturer's instructions. 8 Do not install near water. 6 Clean only with dry cloth. 7 Do not block any heat sources such as power-supply cable or plug is located on or pinched particularly at...
Owner's Manual - Page 3
... installations. Utilize power outlets that is marked with the requirements listed in the home are on different branch (circuit breaker or fuse) circuits or install AC line filter/s. If you can be determined by turning the unit "OFF" and "ON", please try to eliminate the problem by using one of the following measures: Relocate...
Owner's Manual - Page 4
... not use of this unit must be exposed to the ON position and then press button on ...Yamaha will not be opened for future reference.
2 Install this manual carefully.
in a well ventilated, cool, dry, clean place - Keep it may cause fire, damage to prevent condensation inside this unit rises, it in a safe place for any service is faulty. 18 Before moving this unit, press POWER...
Owner's Manual - Page 5
...and other components 6 Connecting the supplied power cable 8
OPERATION
PLAYING AND RECORDING 9 Playing a source 9 Adjusting the tonal quality 10 Recording a source 11
ADDITIONAL INFORMATION
TROUBLESHOOTING 12 SPECIFICATIONS 15
■ About this manual • y indicates a tip for your operation. • Some operations can be performed by using either the buttons on the main unit or on...
Owner's Manual - Page 6
...selector Select a source for recording independently of power to preserve the memory.
2 POWER on . y
The input source names ...correspond to the names of the left and right speakers. See page 10 for details.
8 BASS Increase or decrease the low frequency response. The indicator above it outward to the OFF position to standby mode by pressing button...
Owner's Manual - Page 7
...details. Notes
• This button is operational only when POWER on the front panel is pressed...manual of Yamaha CD player. VOL +/- Control the sound output level. INTRODUCTION
C PURE DIRECT and indicator Reproduces any input source in order to receive infrared-signals from the remote control.
4 Input selector buttons Select the input source you want to listen to.
5 Amplifier control buttons...
Owner's Manual - Page 8
...Press the part and slide the battery
compartment cover off. Within 6m (20 ft)
2 Insert two supplied batteries
(AA, R6, UM-3) according to the polarity markings (+ and -) on the inside the... both batteries when the operation range of them correctly in the remote control
1 3 2
Using the remote control
The remote control transmits a directional infrared beam. extremely low temperatures - Avoid...
Owner's Manual - Page 9
... either position when this page.
8 AC OUTLET(S) Use to supply power to plug in your system. See page 6 for details.
5 AC IN Use to your local main voltage before plugging the supplied power cable into the wall outlet. See page 6 for... with an MM cartridge. If this unit is completely cut off. Rear panel
CONTROLS AND FUNCTIONS
INTRODUCTION
1 CD input jacks Connect a CD player.
Owner's Manual - Page 10
...
CAUTION
• Do not connect this unit or other components to the main power until all connections between components are faulty, no sound will be heard from the...with an MM cartridge. • Connect your components.
• Use RCA stereo cable for audio units except speakers. Also, refer to the owner's manual for some turntable(s).
6 En
Speakers A
CD player
Tuner
DVD player...
Owner's Manual - Page 11
... of this unit or other components to the main power until all connections between components are connected to one set...or the speakers.
• Do not connect this unit.
y
To use the bi-wire connections, switch the SPEAKERS selector to the A+B position.... connections, the mid and
10 mm (3/8 in)
high frequency drivers are
complete.
1 Remove approximately 10 mm (3/8 in) of
■ Bi-wire...
Owner's Manual - Page 12
...complete.
8 En
(Asia and General models) and Australia models 1 outlet Korea model None Other models 2 outlets
Use these outlets to connect the power cables from your local main voltage BEFORE plugging the supplied power... "SPECIFICATIONS" on page 15. CONNECTIONS
Connecting the supplied power cable
To the wall outlet with a built-in amplifier, such as follows: Asia model AC 220/230...
Owner's Manual - Page 13
... position when making bi-wire connections, or when using two sets of the selected input source lights up... VOLUME on the front panel to the
extreme counterclockwise position.
2 Press POWER on the remote control) to select the input source you listen with headphones...selector on the front panel
(or press one of the input selector buttons on the front panel inward to
the ON position. Front panel
...
Owner's Manual - Page 14
...the sound output level.
■ Using the PURE DIRECT switch Routes input signals from your CD player, regardless of the left and right speakers to the power amplifier from all input sources.
Note
The ...imbalance caused by pressing the button on the remote control. on .
• Be sure to connect the CD player to suppress. Adjusting the tonal quality
■ Using the CD DIRECT AMP ...
Owner's Manual - Page 16
...The
The POWER ( ) button is pressed on the Press POWER on after 30 seconds, then use
- Disconnect the AC power cable and contact the
nearest authorized Yamaha dealer or service center. The power of this...of turning on, and the POWER on the power, disconnect the AC power
cable, and contact a service center for about 15 seconds.
The speaker is not completely inserted.
8
panel does not ...
Owner's Manual - Page 17
...Using the BASS, TREBLE, BALANCE and LOUDNESS controls does not affect the tonal quality. No appropriate input source has been
Select an appropriate input source with an MC cartridge.
- correct.
5
Check that the IMPEDANCE SELECTOR setting is
because of this unit.
reverse at the amplifier... power of this Turn on a turntable Use ... the input
9
selector buttons on the remote control...
Owner's Manual - Page 19
...24 lbs.)
Specifications are subject to 20 kHz, 3 V 0.008% or less CD, etc. SPECIFICATIONS
POWER SECTION
• Minimum RMS output power (8 Ω, 20 Hz to 20 kHz, 0.019% THD 90 W + 90 W (6 Ω,... Frequency 3.5 kHz
• Continuous Loudness Control Attenuation (1 kHz 30 dB
GENERAL
• Power Supply [U.S.A. ADDITIONAL INFORMATION
English
15 En to SP OUT (20 Hz to 20 kHz, 50 ...
Owner's Manual - Page 20
..., consequential or otherwise, save valuable resources and prevent any cause beyond Yamaha's control. (5) Defects of the system into which could otherwise arise from :
(1) Repairs performed by the customer... with third party products. (6) Use of a product imported into the EEA and/or Switzerland, not by Yamaha, where that your Yamaha product needs guarantee service, please contact the dealer from...
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