Onkyo TX-7530 - FM Band Settings; AM Band Settings; Fluorescent Tube Microprocessor Connection

TX-7530
Pin No. Terminal iz Description
52 Sa
53 Sb
54 Sc
55 Sd These are the output terminal for segment signal.
56 Se “H” when active.
57 Sf
58 Sg
59 Sh
60 Si
61 Sj
62 Sk
63 Sl
64 VDD This is the divice power source terminal.At the time of operation,the supply is 5V.The internal
| data memory(RAM) is maintained by means of the super capacitor.
FM50K (FM band setting)
FM50K Region Frequency range Channel space Reference frequency IF frequency
1 Europer [87.50 ~108.00MHz 50kHz 25kHz 10.7MHz
| 0 {US.A. 87.9 ~107.9MHz 200kHz 25kHz | 10.7MHz
AM9
AM9K Region Frequency range Channel space Reference frequency IF frequency
1 Europer 522 ~ 1611 kHz 9kHz 9kHz 450kHz
0 [US.A Ts30 ~ 1620 kHz 10kHz 10kHz 450kHz
Connection of fluorescent tube and microprocessor
ANODE CONNECTION
8G(D8)
mie
CD DIRECT ~
AUDIO MUTE
5G(D5)
4G(D4)
3G(D3)
2G(D2)
1G(D1)
|
oe |.
uPA81C (BUFFER)
SIGNALSTRENGTH
SIE]
iain
;
=
| | j | j
tam
RBI
CO
2 3 4 5 6 7
RBI: 20KQ RI: 20KN = =RB2: 2KQ~ R2 :100KN