Pioneer VSX-D906S Service Manual page 70

~ M66311FP (FL-UCOM ASSY : IC803)
~ LED DRIVER
~ Pin Function
N o . Name
M R IN D .
LEF IN D.
Vcc
DATA
O E
LATCH
RESET
CLOCK
G N D
10
HP RY.
12 S/C RY
13 Speaker B RY.
14 Speaker A RY.
15 FAN
16 MPX
17 Stereo ON/OFF
18
19
20 SL/SR
2 1
22
23
'i4
AD D IR
* Output is port output of M66311 (Set data to "L" when port output is to be set to "H".)
~ M66311FP (FL-UCOM ASSY : IC804)
~ LED DRIVER
o Pin Function
No. Name
Vcc
DATA
OE
LATCH
RESET
CLOCK
G N D
10
12
14
15
16 VCR I IND
17 VCR2 IND
18 VIDEO I ND .
19 D V D IN D .
20 LD IND
2 1 CD IND
22 TUNER IND
23 P HONO IN D .
24 T A PE1 IND .
* Output is from M66311.
LED lights up when Multiroom mode is ON. L : LED lights up.
LED lights up if LFE component is detected during decoding of AC3 signal. "L": LED lights up.
Power supply +5V.
Data line for communications with microcomputer.
Output enable/disable signal, L : Fixed to "L" (output enabled).
Strobe line for communications with microcomputer.
Reset input. Temporarily sets to "L" when the power switch is set to ON. After that. fixed to "H".
Clock line for communications with microcomputer.
G N D .
Fixed to -H".
Headphone relay. H : relay ON
R/C relay. H: relay ON
Speaker B relay. H : relay ON
Speaker A relay. H : relay ON
FAN control. H : ON
Tuner (FM ) M ONO output. H : MONO output
Stereo ON/OFF H : Stereo ON
LED lights up when Up and Down arrow keys are enabled. L : LED lights up.
LED lights up when Right and Left arrow keys are enabled. L : LED lights up.
LED lights up if AC3 signal from the rear system L/R is received. L : LED lights up
LED lights up if AC3 signal from the rear system (monaural) is mceived. L : LED lights up.
LED lights up if AC3 signal from the center system is received. L: LED lights up.
LED lights up if AC3 signal &om the front system L/R is received. L : LED lights up.
Switching MS Port. H : Analog input. L : Other than analog input
Not used. Open
Not used. Open
Power supply +5V,
Data line for communications with microcomputer.
Output enable/disable signal. L ; Fixed to "L " (output enabled).
Strobe line for communications with microcomputer.
R eset input. Temporarily sets to "L " when the power switch is set to ON. After that, fixed to " H " .
Clock line for communications with microcomputer.
GN D
F ixed to " H " .
Not used. Open
Not used. Open
Not used. Open
Not used. Open
Not used. Open
LED lights up when function is VCR I. L : LED lights up.
LED lights up when function is VCR2. L : LED lights up.
LED lights up when function is VIDEO. L : LED lights up.
LED lights up when function is DVD. L : LED lights up.
LED lights up when function is LD. L : LED lights up.
LED lights up when function is CD. L : LED lights up.
LED lights up when function is TUNER. L : LED lights up.
LED lights up when function is PHONO. L : LED lights up.
LED lights up when function is TAPE1. L : LED lights up.
VSX-D906S, VSX-07TX, VSX-09TX
Function
Function
9 9