VSX-56TXi
155
5
6
7
8
5
6
7
8
C
D
F
A
B
E
Pin Function
BU4094BCF (MAIN CONTROL ASSY: IC502)
• Expansion IC
Pin Function
BU4094BCF (MAIN CONTROL ASSY: IC503)
• Expansion IC
No.
Pin Name
Pin Function
Active
1
OSD ON
ON at OSD on
H
2
TC9215_C34
Switch the DSP/DIRECT/MULTI CH IN of surround signal H: Multi ch input path
3
PHONO GAIN
"H" at PHONO equalizer ON
H
H
H
4
DSDM
DSD DIRECT control
"H" at Power ON processing and muting
COMPONENT D4 Input selection (2 Input to 1 Output)
5
MUTE
6
FUNC
7
FAN DRIVE
ON when rotates the FAN
H
8
LOFAN
Not used, "H" fixed
No.
Pin Name
Pin Function
Active
1
DEM_STP
Demodulator oscillation OFF/ON
H
H
2
DEM_RST
Demodulator reset L: RESET
TC9215C12(Pin 5) control
Not used
L
3
MRH
4
NC
5
NJM2596_SW5
NJM2596 video control of main system
H
6
NJM2596_SW4
H
7
NJM2596_SW3
H
8
NJM2596_SW2