Power On Sequence - Pioneer DVR-RT501-S Service Manual

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7.4 POWER ON SEQUENCE

Power on Sequence
AT+5V[µ-CON]
AT+5.2V
MOTOR+12V
(from U-COM) VCR_P_ON-L
P.CON+9V
(REGULATOR SIDE)
HEATER +/-
-22V
AT+13V
UNREG+3.3V
(from U-COM) MPEG_P_ON-L
MP_P.CON+1.8V
MP_P.CON+3.3V
(from U-COM) MPEG5V_ON-H
MP_P.CON+5V
(from U-COM) DRIVE_ON-H
P.CON+12V
(POWER SIDE)
P.CON+D5V
5
6
AC IN P.ON
DVR-RT501-S
6
7
VCR µ-CON,RESET IC
OPERATION, REMOTE CONTROL SIGNAL
RECEPTION,EEP-ROM
EOT/BOT,REEL,MS EACH SENSOR,CENTER LED
VCR DECK(CYLINDER,CAPSTAN,
LOADING EACH MOTOR)
Q1703(P.ON SW)
IC701(HI-FI IC)
FIP
IC651(FIP DRIVER)
IC1703(P.CON +12V REGULATOR)
MP_P.CON1.8V,3.3V REGULATOR
Q1719(MP POWER SW)
DVD BLOCK
DVD BLOCK
Q1717(MPEG P.CON SW)
DVD BLOCK
IC502(DRIVE 12V REGULATOR)
DVD UNIT,FAN MOTOR
DVD UNIT
7
8
A
B
VCR
BLOCK
C
DVD
BLOCK
D
E
F
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