Onkyo TX-DS747

Mark [Symbol Description
41 VOLDOWN — [Volume control output pin
42. |PO6/WAIT VOLUP These pins change as the below table by the signal from remote control transmitter
Operation vo.up | VOLDOWN
STOP H H
When UP H i.
When DOWN L H
Power OFF L 2
43. |P67/ASTB V-4FEN [Detector input pin for VIDEO-4 on the front panel
This pin becomes the high level when the video cassette deck is connected to VIDEO-4 on the front panel.
When this pin is high, the selector switch is changed the VIDEO-4 on the front panel.
When this pin is low, the selector switch is changed the VIDEO-4 on the rear panel
P30/TOO 3D BASS 3D BASS control output pin.
P31/TO} [A/D SEL. Analog/Digital switch control output pin
46 |P32/TO2 HPEN Detection input pin for insertion of headphone
When the headphone is used, the surround mode tums off.
47_[psarnt CWSTB Strobe output pin to connect to the terminal STB of electro volume.
[48 |P34Ti2___|FSTB ____ | Strobe output pin to connect to the terminal STB of electro volume.
49_[P35/PCL. MRSTB Strobe output pin to connect to the terminal STB of electro volume.
50_[P36/BUZ. DATA Data output pin to the function switch, PLL, and electro volume ICs
S1_[P37 FUNCI Strobe output pin to the function switch ICs,
ee Strobe output pin to the function switch, PLL and electro volume ICs.
‘ PLL. [Chip enable output pin to PLL IC.
IPM. VIDEO 3 signal detector input pin
[Control output pin for speaker relay A_On when high level
56 |P124/RTP4 PROTE Input pin to operate the protection circuit
[When this pin becomes the low level more than 20 4 sec, a protection circuit operates.
al
P125/RTPS VMUT Muting control output for video si
58_[P126/RTPG STEREO Input pin to detect the stereo broadcast. Low level when stereo broadcast
59_[P127/RTPT
60_[RESET
61_[PooNTPorTIOO _|REMIN Remote control signal input pin
62_|POIINTPL SYSIN System code input pin
VSYNCOUT_ [Vertical synchronizing signal input pin
64_[PO3/INTP3 RDSSCK [Clock input pin from RDS decoder.
65_[PowinTP4
66_[POS/INTPS RDSSIG Detection input pin for RDS broadcast
6/_[POBINTPS
68_[vDD
X2 [Crystal connection pins for main system clock
70 [Xt
7 fic
7 [xte xT2 (Crystal connection pins for sub system clock.
Not used.
10/ANIO Input pin to detect the position of :master volume.
PL2/ANIZ
PI4/ANI4
iz