DVR-RT502-S
99
5
7
8
5
6
7
8
C
D
F
A
B
E
7.4 POWER ON SEQUENCE
Power on Sequence
AT+5V[
µ
-CON]
VCR
µ
-CON,RESET IC
AT+5.2V
OPERATION, REMOTE CONTROL SIGNAL
RECEPTION,EEP-ROM
EOT/BOT,REEL,MS EACH SENSOR,CENTER LED
MOTOR+12V
VCR DECK(CYLINDER,CAPSTAN,
LOADING EACH MOTOR)
VCR
VCR_P_ON-L
(from U-COM)
Q1703(P.ON SW)
BLOCK
P.CON+9V
IC701(HI-FI IC)
(REGULATOR SIDE)
/-
FIP
-22V
IC651(FIP DRIVER)
AT+13V
IC1703(P.CON +12V REGULATOR)
UNREG+3.3V
MP_P.CON1.8V,3.3V REGULATOR
MPEG_P_ON-L
Q1719(MP POWER SW)
MP_P.CON+1.8V
DVD BLOCK
MP_P.CON+3.3V
DVD BLOCK
DVD
MPEG5V_ON-H
(from U-COM)
(from U-COM)
Q1717(MPEG P.CON SW)
BLOCK
MP_P.CON+5V
DVD BLOCK
DRIVE_ON-H
(from U-COM)
IC502(DRIVE 12V REGULATOR)
P.CON+12V
DVD UNIT,FAN MOTOR
(POWER SIDE)
P.CON+D5V
DVD UNIT
AC IN
P.ON
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