Block Diagram - Display/Key Control/Bus Control/Power Supply Section - Sony XR-4300RV Service Manual

XR-4300RV/C5300RV
Q Q
3 7 6 3 1 5 1 5 0
6-3. BLOCK DIAGRAM – DISPLAY/KEY CONTROL/BUS CONTROL/POWER SUPPLY Section –
J501
REMOTE IN
LSW801, LSW901 – 907,
LSW909 – 917,
S901 – 904
D501
RE901
VOLUME/BASS/TREBLE/
BALANCE/FADER CONTROL
ROTARY
ENCODER
RE901
T E
L 1 3 9 4 2 2 9 6 5 1 3
KEY ACTIVE
SWITCH
Q551
8 9
CN901 CN701
(FRONT PANEL SIDE) (MAIN BODY SIDE)
S504
(NOSE DETECT)
RESET SIGNAL
BACKUP +5V GENERATOR
IC551
w w w
SYSTEM CONTROLLER LIQUID CRYSTAL DISPLAY DRIVER
IC501 (3/3)
85 LCD SO 13 64 DI
RC-IN1
LCD CKO 14 63 CL
48
RC-IN0
LCD CE 15 62 CE
D653
46 KEYIN0
47
KEYIN1
ENCODE –
36 RE-IN0
ENCODE +
37
RE-IN1
BACKUP +5V
SIRCS 24
(XR-C5300RV)
SYSRST 11
DATA-OUT
UNISO 18
35 AD-ON DATA-IN
17
UNISI
UNICKO 19
76 KEYACK
UNICKI 20
BUS ON
BUS-ON 3
BU-IN 77
(TAPE WINDOW),
12
DOORSW
67
NOSESW
DOORIND 29
TU-ON 1
POWON 120
90
RESET
86 HSTX
S503
(RESET)
ILL-ON 7
x a o
ACC IN 82
. i
73 74 93 92
05
X502 X501
32.768kHz 3.68MHz
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IC901
LED DRIVE LED910 -915
SHIFT 3
Q903 (LCD BACK LIGHT)
60
OSC OSC
C953, R957
LIQUID CRYSTAL
DISPLAY
LCD901
REMOTE CONTROL
RECEIVER
IC951
Q Q
3 7
RST
CLK
BU-IN
LED801
LSW801
Z
LED DRIVE
BATT B+
Q701
u 1 6 3
y
16 16
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2 4
8 9 9
(XR-C5300RV)
SIRCS BUFFER
SONY BUS INTERFACE
RESET
RST IN
13
DATA-OUT
DATA IN
9
DATA OUT
DATA-IN
8
CLK
CLK IN
11
BUS
BUS ON ON IN
12
BATT
BU-IN CHECK
10
BATTERY DETECT
Q581
6 3 1 5 1 5 0 8 9
BATTERY DETECT
Q591, 592
(XR-4300RV)
REGULATOR
IC671
6 AMP+B
8
ANT+B
11
TUNER +8.7V TUNER8.7V
FM/AM TUNER UNIT
(TU1) B+
TUNER +5.6V 10 TUNER5.6V
D615, 616
COM +8V
9 COM8V
(AUDIO CIRCUIT B+)
BACKUP +5V 5 BU+B
D551
3 2
LED901 – 904,
LSW901 – 907,
LSW909 – 917
(FOR ILLUMINATION)
ILL B+
REGULATOR m
CONTROL SWITCH
Q602
ACCESSORY CHECK
c o
Q571
.
2
8 9 9
CN581
BUS CONTROL IN
(FOR SONY BUS)
D587
3
SIRCS
Q582
IC701
RESET
2
RESET OUT
2 RESET
SWITCH
DATA
5
IN/OUT
6 DATA
4
CLK OUT
4 CLK
BUS ON
6
OUT
BUS ON
1 BUS ON
SWITCH
7
BATTERY BATT
3
BATT
SWITCH
D852
TH501
D581
BATT B+
2 4 9 8 2 9 9
D591
CN601 (2/2)
(POWER CONNECTOR)
D610
2
ANT REM
7
AMP REM
D611
BATT B+ BATT B+
POWER AMP POWER AMP
(IC611) B+ (IC611) B+
VCC 7
4
+10V
1
REGULATOR BATT
Q601
D572
5
ACC