Tm1/Tm2 (Temperature Detection); Outlvl (Power Limiter Output Level); Lmtcnt (Limiter Control Value); Amppow (Amp. Power Control) - Yamaha RX-V3900 Service Manual

TM1/TM2 (Temperature detection)

Temperature detected value
(Normal value: 10 to 83)
TM1: Detects the temperature of the heat sink at the left
side (power transformer side)
TM2: Detects the temperature of the heat sink at the
right side (volume side)
(Reference voltage: 5V=255)

OUTLVL (Power limiter output level)

Total value of amplifier output of each channel
The voltage at 141 pin of IC402 is displayed with 5V/255
as a standard.

LMTCNT (Limiter control value)

The voltage at 3 pin of IC402 is displayed with 5V/255 as
a standard.

AMPPOW (Amp. Power control)

Use the "PURE DIRECT" key to change the output of the
power supply of the amplifier (RY250, RY251 MAIN (2)
P.C.B.).
TM2
TM1
POW: RY250 ON, RY251 ON
PRE: RY250 OFF, RY251 OFF
RX-V3900/DSP-AX3900
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