Sony MDX-CA680 User Manual
MDX-CA680/CA680X
26
26
4-4.
BLOCK DIAGRAM – BUS CONTROL/POWER SUPPLY Section –
U-COM +5V
BATTERY
DETECT
Q701
ACCESSORY CHECK
Q631
SONY BUS INTERFACE
IC505
SYSTEM CONTROLLER
IC501 (3/3)
MD MECHANISM CONTROLLER
IC501 (2/2)
BUS ON SWITCH
Q560
BATT
BACK-UP B+
BUS ON
DATA
CLK
RESET
7
6
5
4
2
16
+B
ANT-R
AMP-R
6
5
CNJ600
BUS CONTROL IN
(FOR SONY BUS)
CN601 (2/2)
FU601
COM +8V
(AUDIO CIRCUIT B+)
D301
TH600
D552
D701
LED810,
LSW810
LSW810
LED810
(DISC SLOT ILLUMINATION)
VCC
TUNER +5.6V
TUNER +8.7V
7
ACC
+B SWITCH
Q665
+6V
REGULATOR
Q331
+5V
REGULATOR
Q336
B+ SWITCH
Q402, 403
+3.3V
D612
D613
BU B+
DRIVER +5V
MOTOR/COIL DRIVER
(IC303) B+
LOAD +6V
LOADING MOTOR
DRIVER (IC305) B+
LED DRIVE
Q663
LCD B+
(FRONT PANEL)
REGULATOR
CONTROL
Q333
BACK-UP B+
POWER AMP
(IC611) B+
S702
RESET
D1
D610
U-COM +5V
D621
LSW810
Z
D558
REGULATOR
CONTROL
Q335
REGULATOR
CONTROL
Q662