Sequence - Pioneer PDP-R05E Service Manual

1

7.2.2 SEQUENCE

A
R05 series Power-on sequence
PDP
REM
optical
receiver
B
BUFF
MR
C
BUFF
IC9301
SR circuit
Q9451, Q9452,
Q9455, Q9455
D
REM_B
1 : Remote controller signal (or, KEY signal) is input into IF microcomputer.
2 : IF microcomputer supplies the power supply to Main microcomputer and MOD microcomputer.
3 : IF microcomputer communicates the operation information of Remote controller (or KEY) to Main microcomputer.
4 : Main microcomputer sends in the activation order to MOD microcomputer.
5 : MOD microcomputer controls the relay of PDP power supply MOD, and activate the power supply of PDP side.
6 : Main microcomputer controls the relay of MR power supply MOD, and activate the power supply of MR side.
E
F
184
1
2
Side
KEY
BUFF
REM_B KEY_B
TXD_IF
RXD_IF
BUFF
CE_IF
IC9301
SR_IN REQ_IF
BUSY_IF
1
IF_micro-
1
computer
IC8702
Comment in the balloon is the reference signal name.
Please confirm the wiring number of PDP side with the service manual of PDP side.
PDP-R05E
2
3
MOD
micro-
computer
BUFF BUFF
STB_MT
ACTIVE
Inverter BUFF
Q8702 IC9302
4
V+3COM
PM_SW
2
IC8507
main
3
microcomputer
IC7207
3
4
Power
supply MOD
STB control
Power
5
supply MOD
RELAY control
MTXD
MRXD
REQ
Power
6
supply MOD
RELAY control
4