Block Diagram - Bus Control/Power Supply Section - Sony CDX-T68X Service Manual

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CDX-T68X
Q Q
3 7 6 3 1 5 1 5 0
T E
L
1 3 9 4 2 2 9 6 5 1 3
w w w
5-2.
BLOCK DIAGRAM – BUS CONTROL/POWER SUPPLY Section –
OUT1
M104
9
M
OUT2
(ELEVATOR)
7
x
a o
y
.
i
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SYSTEM CONTROLLER
IC301 (2/2)
SW301
MAGAZINE
DETECT
95 MAG SW
MCK
37
SW302
MAGAZINE IN/OUT
DETECT
EHS
36
51
MAGLK SW
ELEVATOR
AVRH
34
MOTOR DRIVE
IC302
IN1
4 ELVF
MOTOR
3
ELVON
24
IN2
DRIVE
4
3 ELVR
BUCHK 46
EEPROM
IC303
SDA
5
32
EEDAT
EJECT SW 50
SCL
6
28
EECLK
CDON 23
RESET
75
Q
Q
3
7
6
UNI SI
16
UNI SO
17
UNI CK
18
BUSON
45
81
80
X301
4MHz
u 1 6 3
18
18
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2
4
8
9
9
RV302
ELEVATOR HEIGHT
(ADDRESS)
RV301
ELEVATOR HEIGHT
SENSOR
DRIVER +8V
D210
D209
BATTERY
CHECK
Q203
+3V
SW303
SERVO +3V
REGULATOR
Z
Q204
DAC/SERVO +5V
RESET SIGNAL
GENERATOR
IC204
µCOM B+
3
1
5
1
5
0
8
9
2
BUS INTERFACE
(FOR SONY BUS)
IC201
VCC
14
SO
DATA
10
6
SI
9
SCK
CLK
11
4
BUSON OUT
LOF
1
12
BUSON OUT
BUSON IN
13
2
RESET
RESET
RST
8
7
SWITCH
m
c o
.
2
8
9
9
+8V
REGULATOR
IC202
+5V
REGULATOR
IC203
CN902 (2/2)
IC901
8
REGULATOR
B. UP
4
9
8
2
9
9
Q201, 205
6
DATA
5
CLK
4
BUSON
7
RST

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