Panel Key (K0/K1) - Yamaha RX-V3900 Service Manual

PANEL KEY (K0/K1)

(Panel key of this unit)
The key fails to function properly when its A/D conversion
value deviates from standard value ±4. In this case, check
the constant of partial pressure resistor, solder condition,
etc. Refer to table.
(Reference voltage: 5V=255)
RX-V3900 (U, C, R, T, K, A, B, G, E, L models)
Display K0
0+4 INFO
26±4 ZONE CONTROLS
51±4 CATEGORY / BAND
77±4 STEREO/MONO
104±4 SEARCH MODE
129±4 MEMORY
154±4 PRESET/TUNING/CH
179±4 PRESET/TUNING/CH
205±4 ZONE ON/OFF / ZONE2
230±4 ZONE ON/OFF / ZONE3
255 KEY OFF
DSP-AX3900 (J model)
Display K0
0+4 INFO
26±4 –
51±4 BAND
77±4 STEREO/MONO
104±4 SEARCH MODE
129±4 MEMORY
154±4 PRESET/TUNING
179±4 PRESET/TUNING
205±4 –
230±4 –
255 KEY OFF
K1
STRAIGHT / EFFECT
ENTER
TONE CONTROL /
MENU
AUDIO SELECT/REC OUT /
PURE DIRECT
–
–
–
–
KEY OFF
K1
STRAIGHT / EFFECT
ENTER
TONE CONTROL /
MENU
AUDIO SELECT/REC OUT /
PURE DIRECT
–
–
–
–
KEY OFF
RX-V3900/DSP-AX3900
77