Onkyo TX-7530 - LC6527 C-3608 Remote Controller

m TX-7530
LC6527C-3608 (REMOTE CONTROLLER)
Q705
Buffer
Transmitter P
Infrared
X702
Ceramic oscillator
Oo
7 7
osc: [| 18} OSC2
TEST PD3———» POWER (Not used)
ee fi6] PO2 ———» PLAYER
T—res BDV VOL-UP } To amp. circuit
(Ground) CUSTOM ——»PAo [5] PD0———» VOL DOWN
STAND BY ——»PA1 [6] PC3 ——~+ VOL ino (Not used)
REMOTE IN——»PA2 PC2-———» RECEIVE
(from micro computer) SERIAL IN——»PA 3 [8 | fit] PC1————» MUTING
+BC+5V) -Vop io] PCo———» SERIAL OUT
Connection diagram
Terminal No. | Symbol Terminal Description
1 OSC1 | OSC Connect to the 1 MHz ceramic oscillator.
18 OSC2
2 TEST | TEST Test terminal. Connect to the ground.
3 Vss GND Ground terminal.
4 RES | RES Reset terminal.
5 PAO CUSTOM The custom code for decode is selected at this terminal. For U.S.A., the
level is low.
6 PAI STANDBY Terminal for STANDBY detection. During low input, only the POWER
| | code is decoded.
7 PA2 REMOTE IN | Signal input terminal for remote control preamp. Active low. |
8 PA3 SERIAL IN
{ at
9 VDD +B Power supply terminal. a1
10 PCO SERIAL OUT | Output at this terminal are the custom code (16 bit) remote control
code input to REMOTE IN, data code (8 bit), and the serial code (12
bit) that has been converted corresponding to the decoded data code
(8 bit).
11 PC1 MUTING At this terminal, the audio muting code that is input is inverted for each
L L/H. When power is ON, the level is high.
12 PC2 RECEIVE This is the display output for remote control reception. Output is low
when decoded code is being received. <4
a 13 PC3 VOL IND During output of VOLUME UP/DOWN, a pulse ([T LET 1; T = 0.3ms)
[
is
output.
14 PDO VOL DOWN | When the volume DOWN code is input, a high pulse of 120ms is outpu t.|
L 15 PDI | VOLUP When the volume UP code is input, a high pulse of 120ms is output.
16 PD2 | PLAYER When the player PLAY/REJECT is input, a high pulse of 200ms is |
output.
17 | PD3 POWER The power code input inverts the L/H. Level is high for power being -|
L turned ON.
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