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MDX-C5960R/C5970/C5970R
– 27 –
4-5. BLOCK DIAGRAM – BUS CONTROL/POWER SUPPLY Section –
– 28 –
BACKUP +5V
BACKUP +5V
RESET SIGNAL
GENERATOR
IC801
RAM RESET
IC802
BATTERY
DETECT
Q601
ACCESSORY CHECK
Q900
LEVEL SHIFT
Q603
S900
6
8
4
CLK
ANT+B
FM8V
AMP+B
REGULATOR
IC800
COM8V
AM8V
MODE1
MODE2
STB
CLK IN
DATA OUT
DATA
2
RST
RESET
SWITCH
BUS ON
SWITCH
13
11
1
BUS ON
OUT
BUS
ON IN
12
9
DATA IN
SONY BUS INTERFACE
IC600
MASTER CONTROLLER
IC700 (4/4)
MD MECHANISM CONTROLLER
IC501 (2/2)
BUS ON SWITCH
Q600
BATT
BATT B+
BUS ON
DATA
CLK
RESET
7
6
5
4
2
16
BATT
ANT REM
AMP REM
6
5
CNJ600
BUS CONTROL IN
(FOR SONY BUS)
CNP500 (2/2)
(POWER CONNECTOR)
REGULATOR
CONTROL SWITCH
Q906
F1
COM +8V
(AUDIO CIRCUIT B+)
05
RST
3
BATT
BATTERY
SWITCH
10
BU IN
UNISI
50
UNISO
UNICKIO
MDMON
10
76
36
22
UNI CKIO
20
UNI SI
21
UNI SO
86
HSTX
29
90
65MD-ON
D702
D916
TH600
D604
D603
D606
D913
D500
VCC
AM B+
(AM CIRCUIT B+)
FM B+
(FM CIRCUIT B+)
VCC
7
7
ACC
14
ILL IN
+5V
REGULATOR
Q6
+10V
REGULATOR
Q903, 904
+12V
REGULATOR
Q254
+3.3V
REGULATOR
IC401, Q401
DC/DC
CONVERTER
IC250
+5V
(TUNER CIRCUIT B+)
TUNER B+
B+ SWITCH
Q402, 403
B+ SWITCH
Q250, 251
+3.3V
D3
D803
D804
BACKUP +5V
23
4
9
BU+B
5
10
11
8
6
FM-ON
TU-ON
LAMP ON (ILL ON)
64
108
110
PW-ON
109
111
RESET
SYSRST
RAMBU
BU-IN
BUS-ON
RESET
LINKOFF
BU-IN
BUS-ON
ACC IN
57
ILL IN
48
61
60
30
49
46
102
J
(Page 24)
MUTE
H
(Page 24)
AMP ON
I
(Page 24)
STB
DRIVER +5V
MOTOR/COIL DRIVER
(IC303) B+
LOAD +12V
LOADING MOTOR
DRIVER (IC305) B+
LCD +10V
LCD DRIVER (IC801)/
ILLUMINATION LED B+
REGULATOR
CONTROL SWITCH
Q255
BATT B+
POWER AMP
(IC500) B+
RESET
D802
D607