Amp Adjustment - Yamaha RX-V1700 Service Manual
Av receiver/av amplifier
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Also See for RX-V1700:
- Owner's manual (791 pages) ,
- Firmware update manual (3 pages) ,
- Owner's manual (151 pages)
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I AMP ADJUSTMENT
Confirmation of Idling Current of Amp Unit
• Right after power is turned on, confirm that the voltage
across the terminals of R
(
),
R468 (
), R469 (FRONT Rch), R470
(CENTER), R471 (FRONT Lch), R472 (SURROUND
Lch), R473 (SURROUND BACK Lch) are between
0.1mV and 10.0mV.
• If it exceeds 10.0mV, open (cut off) R432 (
), R433 (
), R434 (FRONT
Rch), R435 (CENTER), R436 (FRONT Lch), R437
(SURROUND Lch), R438 (SURROUND BACK Lch) and
reconfirm the voltage.
Attention
If the measured voltage exceeds 10.0mV after an am-
plifier repair, first check for a defective component be-
fore cutting the bias resistor.
• Confirm that the voltage is 0.2 mV to 15.0 mV after 60
minutes.
0.1mV - 10.0mV
(DC)
R467 (SURROUND BACK Rch)
R468 (SURROUND Rch)
R469 (FRONT Rch)
R470 (CENTER)
R471 (FRONT Lch)
R472 (SURROUND Lch)
R473 (SURROUND BACK Lch)
FRONT Rch
CENTER
FRONT Lch
SURROUND
Lch
SURROUND BACK Lch
FRONT
Rch
CENTER
FRONT Lch
SURROUND Lch
SURROUND BACK Lch
Open (cut off)
R432 (SURROUND BACK Rch)
R433 (SURROUND Rch)
R434 (FRONT Rch)
R435 (CENTER)
R436 (FRONT Lch)
R437 (SURROUND Lch)
R438 (SURROUND BACK Lch)
FRONT
R470
R473
R471
R472
R435
R437
R436
R438
MAIN (1) P.C.B.
REAR
RX-V1700/DSP-AX1700
R467
R469
R468
R434
R433
R432
55
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