Block Diagram - Bus Control/Power Supply Section - Sony CDX-737 Service Manual

CDX-737
7-3. BLOCK DIAGRAM – BUS CONTROL/POWER SUPPLY Section –
SW201
MAGAZINE DETECT
SW202
MAGAZINE IN/OUT
DETECT
ELEVATOR MOTOR DRIVE
IC301
OUT1 FIN
1
ELEVATOR
M104 M
OUT2 RIN
7 MOTOR DRIVE
(ELEVATOR)
EEPROM
IC202
SDA
SCL
SYSTEM CONTROLLER
IC201 (3/3)
MCK 38 LINEAR POSITION
EHS 39
ELEVATOR HEIGHT
AVREF 37
57 MGLK
ELV.ON 69
60 MAG.SW
CD.ON 68
BU.CHK 61
SI 49
4 70 ELV.R
5 ELV.F
58
SO 50
SCK
48
BUS.ON 55
RST 30
5 12 EE.DATA
6 11 EE.CLK
D306
W.UP 62
EJECT 64
05
32 31
X201
8MHz
RV201
SENSOR
RV202
SENSOR
REFERENCE VOLTAGE
MICON +5V
SWITCH
Q201
BUS INTERFACE
(FOR SONY BUS)
IC302
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
RESET SIGNAL
GENERATOR MICON +5V
IC304
MICON +5V
SW301
Z
18 18
+9V
SERVO +9V REGULATOR
Q309
REGULATOR
CONTROL SWITCH
Q308
D311
REGULATOR
MICON +5V
Q303
+5V
7
SERVO +5V,
REGULATOR
DAC +5V
Q307
REGULATOR
CONTROL SWITCH
Q306
D308
BATTERY
LEVEL SHIFT
CHECK
D307
Q301, 302
5
4
6
2
CN901 (2/2)
CONTROL
(FOR SONY BUS)
BU CHECK
J
RESET
I
B.UP
DATA
CLK
BUSON
RST
(Page 17)
(Page 17)