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5
[2] POWER ON SEQUENCE
REM
infrared
receiver
Inv. Amp
Q4103
REM
Inv. Amp
Q6819
Inv. Amp
Q6812
SR_OUT
SR OUT Jack
JA7503
1 : The KEY signal is input to the IF microcomputer.
1' : The remote control signal is input to the IF microcomputer and Panel main microcomputer.
2 : The IF microcomputer sends the operation data of the remote control unit key to the main microcomputer.
3 : The main microcomputer issues a startup command (PON) to the panel main microcomputer through DP Tx and DP Rx.
4 : The panel main microcomputer issues a startup command (PON) to the MOD microcomputer.
5 : The MOD microcomputer controls a MOD relay of the POWER SUPPLY Unit (Display section), then the power is
turned on.
5' : The main microcomputer controls a MOD relay of the POWER SUPPLY Unit (Media Receiver section), then
the power is turned on.
5
6
REM_IN
'
1
Display section
Media Receiver
section
SR_IN
IF
'
Microcomputer
1
IC6811
1
KEY_1
KEY_2
Keys
KRP-M01
6
7
MOD
Microcomputer
IC3601
REQ_MD
4
TXD_MD
RXD_MD
Panel Main
Microcomputer
IC7001
3
TXD_DP
RXD_DP
Display port Rx
IC5001
AUX_CH_P
AUX_CH_N
Display port Tx
IC7602
TXD_MD
RXD_MD
MAIN
2
Microcomputer
IC7003
TXD_IF
RXD_IF
CLK_IF
REQ_IF
CE_IF
BUSY_IF
7
8
Power MOD
5
RELAY Control
5 '
Power MOD
RELAY Control
8
A
B
C
D
E
F
25

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