Sony MDX-CA680 - 4-4. BLOCK DIAGRAM - BUS CONTROL;POWER SUPPLY Section -

MDX-CA680/CA680X
2626
4-4. BLOCK DIAGRAM – BUS CONTROL/POWER SUPPLY Section –
U-COM +5V
RESET SIGNAL
GENERATOR
IC602
REMOTE CONTROL
RECEIVER
IC971
BATTERY
DETECT
Q701
ACCESSORY CHECK
Q631
6
8
4
CLK
ANT+B
TU8.7V
AMP+B
REGULATOR
IC601
COM8V
TU5.6V
5.6VON SW
8.7VON SW
STB
CLK IN
DATA OUT
DATA I/O
2
RST
RESET
SWITCH
BUS ON
SWITCH
13
11
1
BUS
ON
BUS
IN
12
9
DATA IN
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+)
RST
3
BATT
BATTERY
SWITCH
10
B/U-C
UNISI
50
UNISO
UNICKIO
MDMON
10
28
25
44
UNICKO
43
UNISI
42
UNISO
24
29
SIRCS
33
65MD-ON
D301
TH600
D552
D701
LED810,
LSW810
LED810
(DISC SLOT ILLUMINATION)
VCC
TUNER +5.6V
TUNER +8.7V
VCC
7
7
ACC
+B SWITCH
Q665
+6V
REGULATOR
Q331
+3.3V
REGULATOR
IC401, Q401
+5V
REGULATOR
Q336
B+ SWITCH
Q402, 403
+3.3V
D612
D613
BU B+
23
4
9
BU+B
5
10
11
8
6
TUNON
ILLON
38
93
49
PW ON
RESET
SYSRST
BU-IN
BUS-ON
RESET
LINKOFF
BUIN
BUSON
ACCIN
92
DOORIND
48
61
60
30
49
46
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
50
REGULATOR
CONTROL
Q335
REGULATOR
CONTROL
Q662