XT-P50V
9
9
4-3.
BLOCK DIAGRAM – BUS CONTROL/POWER SUPPLY Section –
L109
2
6
5
4
3
SIRCS
CLOCK
DATA
BUSON
7
+B
BATT
RESET
SONY BUS
INTERFACE
IC101
2
6
5
4
3
SIRCS
CLOCK
DATA
BUSON
RESET
7
BATT
BUS ON/OFF
SWITCH
Q109
7
6
4
5
2
1
RESET
BUSY
OE
SCLK
SDA
VPP
CN101
CONTROL
IN
(SONY BUS)
CN100
CONTROL
OUT
(SONY BUS)
CN103
(FOR CHECK)
TH100
POWER CONTROL
IC100
B+ SWITCH
Q102, 106
F100
3
BATT
1
REM
(ACC)
L100
POWER DC 12V
CN102
+5V
+9V
+8V
+31V
F101
+5V REGULATOR,
BATTERY CHECK
IC116
D124
D102
D143
B+5V
D121
SWITCHING
REGULATOR
Q112, 200 (1/2)
SWITCHING
REGULATOR
Q111, 200 (2/2)
+3.3V
+B
M+5V
SONY BUS
INTERFACE
B+
VOLTAGE
DETECT
Q104
VOLTAGE
DETECT
Q116, 117
B+5V
SONY BUS
DETECT
Q122
L111
L108
L110