Name: Yamaha RX-V681
Brand: Yamaha
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RX-V681/RX-A760

■ POWER AMPLIFIER ADJUSTMENT

1. Right after power is turned on, conﬁrm that the voltage across the terminals of R1152 (CENTER), R1154 (SURROUND

Rch), R1150 (FRONT Lch), R1148 (SURROUND BACK Lch), R1149 (SURROUND BACK Rch), R1153 (SURROUND

Lch) and R1151 (FRONT Rch) are within the conﬁnes of 0.1 mV to 10 mV.

2. If measured voltage exceeds 10 mV, remove R1104 (CENTER), R1106 (SURROUND Rch), R1102 (FRO

NT Lch),

R1100 (SURROUND BACK Lch), R1101 (SURROUND BACK Rch), R1105 (SURROUND Lch) and R1103 (FRONT

Rch), and then reconﬁrm the voltage.

Attention

If the measured voltage exceeds 10 mV after repairing the power ampliﬁer, check other parts again for any possible

defect before removing the resistor.

3. Conﬁrm that the voltage is within the conﬁnes of 0.2 mV to 15 mV after 60 minutes.

0.1 mV – 10 mV

(DC)

R1104 (CENTER)

R1106 (SURROUND Rch)

SURROUND R SURROUND L FRONT R FRONT LCENTER

SURROUND

BACK R

SURROUND

BACK L

R1102 (FRONT Lch)

R1100 (SURROUND BACK Lch)

R1101 (SURROUND BACK Rch)

R1105 (SURROUND Lch)

R1103 (FRONT Rch)

R1152 (CENTER)

R1154 (SURROUND Rch)

R1150 (FRONT Lch)

R1148 (SURROUND BACK Lch)

R1149 (SURROUND BACK Rch)

R1153 (SURROUND Lch)

R1151 (FRONT Rch)

Front side

MAIN (1) P.C.B.

(Side B)

MAIN (1) P.C.B.

(Side A)

R1154

R1153R1152

R1151

R1150

R1149

R1148

SURROUND RSURROUND LFRONT RFRONT L CENTER

SURROUND

BACK R

SURROUND

BACK L

R1106

R1105

R1104

R1103

R1100

R1102

R1101

Other manuals for Yamaha RX-V681

Owner's Manual155 pages

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Yamaha RX-V681 Specifications

General

Receiver type	Surround
Frequency range	20 - 20000 Hz
4Ω speaker support	Yes
Audio output channels	7.2 channels
Total Harmonic Distortion (THD)	0.06 %
Dynamic power per channel (4 Ohm)	190 W
Dynamic power per channel (8 Ohm)	125 W
Power output per channel (20-20KHz@8 Ohm)	150 W
HDMI in	6
Audio (L/R) in	5
Remote (IR) input	1
Composite video in	4
Component video (YPbPr/YCbCr) in	2
Audio (L/R) out	0
Headphone connectivity	3.5 mm
Product color	Silver
Audio decoders	DTS Neo:X, DTS-HD Master Audio, Dolby Digital Plus, Dolby Pro Logic IIx, Dolby TrueHD
Apple docking compatibility	-
Banana connector	14
Connectivity technology	Wired & Wireless
Speakers connectivity type	Banana connector/Binding posts
Supported radio bands	AM, FM
Optical drive included	No
Supported video modes	2160p
Power consumption (standby)	0.1 W