Imp Sw/Power Limit (Impedance/Power Limiter Detection); Panel Key (K0/K1) - Yamaha RX-V559 Service Manual

IMP SW/POWER LIMIT (impedance/power limiter detection)

IMP: Not applied to these models.
PL: Power limiter detection value
The voltage value of pin No. 123 of IC2 is displayed,
using 5V/256 as standard.
The port (No. 6) output is controlled by using the in-
put voltage value of pin No. 123 of IC2.

PANEL KEY (K0/K1)

(Panel key of main unit) [Remote control code: –]
A/D of the key fails to function properly when the standard
value is deviated by ±8. In this case, check the constant of
partial pressure resistor, solder condition, etc. Refer to
table.
(Reference voltage: 5 V=100 %)
RX-V559/DSP-AX559
Display (%) K0
0 - 6 MAIN ZONE ON/OFF
7 - 13 —
14 - 21 —
22 - 31 —
32 - 41 INPUT MODE
42 - 53 STRAIGHT
54 - 63 TONE CONTROL
64 - 72 PRESET/TUNING
73 - 80 SPEAKERS B
81 - 88 SPEAKERS A
89 - 95 —
96 - 100 KEY OFF
IMP:8 PL:245
K0:100 K1:100
HTR-5950
K1 Display (%)
ZONE ON/OFF
—
—
ZONE CONTROL
MULTI CH INPUT
FM/AM
A/B/C/D/E
PRESET
PRESET
MEMORY
TUNING MODE
KEY OFF
RX-V559/HTR-5950/DSP-AX559
K0
0 - 6 PROGRAM
7 - 13 PROGRAM
14 - 21 BASS/TREBLE -
22 - 31 BASS/TREBLE +
32 - 41 INPUT MODE
42 - 53 STRAIGHT
54 - 63 TONE CONTROL
64 - 72 PRESET/TUNING
73 - 80 SPEAKERS B
81 - 88 SPEAKERS A
89 - 95 —
96 - 100 KEY OFF
K1
—
—
—
—
MULTI CH INPUT
FM/AM
A/B/C/D/E
PRESET
PRESET
MEMORY
TUNING MODE
KEY OFF
31