Block Diagram - Bus Control/Power Supply Section - Sony XR-C7500R Service Manual

XR-C7500R/C7500RX
Q Q
3 7 6 3 1 5 1 5 0
7-4. BLOCK DIAGRAM – BUS CONTROL/POWER SUPPLY Section –
D501
3
SIRCS
B/U +5V
2
RESET 2
5
6
DATA
4
CLK 4
BUS ON/OFF SWITCH
Q502
6
BUS ON 1
T E
L 1 3 9 4 2 2 9 6 5 1 3
7
BATT 3
CN500
BUS CONTROL IN D507
TH501
(FOR SONY BUS)
D500
BATT B+
BUIN
I
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LEVEL SHIFT
RX
J
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05
w w w
REMOTE CONTROL
RECEIVER
IC951
SIRCS
BUFFER 24 SIRCS
Q503
RAM RESET
B/U +5V 85 RAMBU
IC570
RESET SIGNAL
GENERATOR 90 RESET
IC560
86 HSTX
S500
RESET D801
SONY BUS INTERFACE
IC500
RST RST
RESET
13 6 SYSRST
SWITCH
DATA
DATA IN
9 18 UNISO
DATA OUT
8 17 UNISI
CLK CLK IN
11 19 UNICKO
BUS ON
BUS
OUT
ON IN
BUS ON
12 14 BUS-ON
SWITCH
BATT BU IN
BATTERY
10 77 BU-IN
SWITCH
BATTERY
DETECT
Q500
LIQUID CRYSTAL DISPLAY
BATTERY OFF
MUTE DRIVER
Q704, 705
82 NMI (H)
49
BU-IN
38 BUS-ON
LEVEL SHIFT
IC801
81 RESET
101 UNICKI
UNISI
98
97 UNISO
Q501
50 LINK OFF
x a o
. i
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SYSTEM CONTROLLER
IC600 (4/4)
ACCIN 81
ILLIN 95
DIGITAL +3.3V
DSP CIRCUIT
B+
ANALOG +3.3V
AUDIO +9V
TUNER VCC
TUNER CIRCUIT
B+
TUNER +5V
TUNER CIRCUIT/
RDS DECODER
Q Q
(IC50) B+
3 7
PWON 83
TUNON 113
82
FLASH ON
DRIVE CONTROLLER
IC800 (2/2)
D591
REGULATOR
ILL-ON 52 CONTROL SWITCH
Q581
D592
POWER ON/OFF
SWITCH
Q583
u 1 6 3
y
20 20
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2 4
8 9 9
+5V REGULATOR
B/U +5V
IC550
+3.3V REGULATOR
IC170
+3.3V REGULATOR
IC130, Q130
+5V REGULATOR B+ SWITCH +9V REGULATOR
Q70 Q81, 82 IC530
6 3 1 5 1 5 0 8 9
LCD B+
LCD DRIVER
(IC901) B+
LED901 – 904
+10V REGULATOR
(ILLUMINATION)
Q582
LSW909
DSO
m
c o
.
2
8 9 9
CN700 (2/2)
(POWER CONNECTOR)
ACCESSORY D703 7
CHECK ACC
Q660
ILLUMINATION D705 14
LINE DETECT ILL
Q640
BATT B+
POWER AMP
(IC700) B+
16
B+
2 4 9 8 2 9 9
TH700
6
ANTENNA
REMOTE SWITCH ANT-R
Q710, 711
TH701
AMP
5
REMOTE SWITCH AMP-R
Q720, 721
AMPON
H
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