Sony CDX-656 - BLOCK DIAGRAM - BUS CONTROL;POWER SUPPLY Section

CDX-656/656X
1818
RESET
SWITCH
7
DATA
CLK
BUSON
RST
5
4
6
2
B. UP
CONTROL
CN901 (2/2)
37
MCK
36
EHS
34
AVRH
ELVON
RV201
ELEVATOR HEIGHT
(ADDRESS)
RV202
ELEVATOR HEIGHT
SENSOR
24
+8V
REGULATOR
IC304
DRIVER +8V
BUCHK
46
BATTERY
CHECK
Q302
D306
D307
75
CDON
23
EJECT SW
50
B. UP +3.3V
BUS INTERFACE
(FOR SONY BUS)
IC302
+5V
REGULATOR
IC305
+3.3V
REGULATOR
Q303, 305
DAC/SERVO +5V
Z
SW801
51
MAGLK SW
4
ELVF
3
ELVR
SW201
MAGAZINE
DETECT
ON : When magazine
is set
3
4
9
7
MOTOR
DRIVE
IN1
IN2
OUT1
OUT2
ELEVATOR
MOTOR DRIVE
IC301
M
M104
(ELEVATOR)
SYSTEM CONTROLLER
IC201 (2/2)
RESET
10 6
9
11 4
1 12
13 2
8 7
SO
SI
SCK
BUSON OUT
BUSON OUT
RESET
DATA
14
CLK
LOF
BUSON IN
RST
16
17
18
45
81
UNI SI
UNI SO
UNI CK
BUSON
VCC
RESET SIGNAL
GENERATOR
IC303
PS901
+3.3V
REGULATOR
IC306
SERVO +3.3V
X1
80
X0
X201
4MHz
6-2. BLOCK DIAGRAM – BUS CONTROL/POWER SUPPLY Section –