Pioneer PDP-R006FE - 7.2.2 Power On Sequence

PDP-R06XE
75
5678
56
7
8
C
D
F
A
B
E
7.2.2 POWER ON SEQUENCE
1 : The signal from the remote control unit (or a key signal) is input to the IF microcomputer.
2 : The IF microcomputer supplies the power to the main microcomputer and MOD microcomputer.
3 : The IF microcomputer transmits operation data from the remote control unit (or keys) to the main microcomputer.
4 : The main microcomputer issues a startup command to the MOD microcomputer.
5 : The MOD microcomputer controls the relay of the PDP Power MOD and starts the power-on sequence of the PDP.
6 : The main microcomputer controls the relay of the MR Power MOD and starts the power-on sequence of the MR.
MOD
Microcomputer
Power MOD
RELAY Control
BUFF
MR
REM_B
PDP
BUFF
BUFF
IC7203
BUFF
IC7201
BUFF
IC7203
BUFF
Power MOD
RELAY Control
Power MOD
STB Control
REM
infrared
receiver
Keys on the
front panel
IF_UCOM
IC5002
MAIN_UCOM
IC5206
SR Circuit
Q7603-Q7606
Inverter
Q5001
PM_SW
IC4212
5
1
2
3 6
4
1
REM_B
KEY_AD2
STB_MT
MTXD
MRXD
REQ
ACTIVE
V+3_3V_UCOM
SR_IN
TXD_IF
RXD_IF
CE_IF
REQ_IF
BUSY_IF
Descriptions in a call-out are signal names for reference.
For wiring numbers on the PDP side, refer to the service manual for the PDP.