Block Diagram - Display/Key Control; Bus Control/Power Supply Section - Sony XR-CA610X Service Manual

Q Q
6-3. BLOCK DIAGRAM – DISPLAY/KEY CONTROL/BUS CONTROL/POWER SUPPLY Section –
3 7 6 3 1 5 1 5 0
J561
(REMOTE IN)
67
6
D553
LSW501 – 510,
LSW513 – 522 4
5
D501
(VOLUME CONTROL)
ROTARY 81
ENCODER
80
RE501
BACKUP +5V
KEY ACTIVE
SWITCH
Q551
82
26
T E
L 1 3 9 4 2 2 9 6 5 1 3
CN701
CN501
(MAIN UNIT SIDE)
(FRONT PANEL SIDE)
1 8
78
93 NOSESW
S552
(NOSE DETECT)
REMOTE CONTROL
RECEIVER 29 SIRCS
IC502
w w w
.
SYSTEM CONTROLLER LCD DRIVER
IC501 (3/3) IC501
RCIN1 LCDSO 18 78 LCD-DATA
LCDCKO 20 77 LCD-CLK
RCIN0
LCDCE 19 76 LCD-CE
KEYIN1
KEYIN0
OSC 74
REIN0
REIN1
AD_ON
KEYACK
RST
SYSRST 24
BUSSO
BUSSO 42
BUSSI
BUSSI 43
BUSCKO
BUSCKO 44
BUS ON
25
BUSON
BU-IN
BUIN 28
RESET SIGNAL
DOORSW 33 GENERATOR
RESET
IC551
S551
RESET
TUNON 34
PW_ON 36
LED DRIVE
DOORIND 79 LED801, LSW801
Q631
TAPE DECK
ILLUMINATION
ILLON 83
x a o
38
ACCIN y
i
16 15 12 13
X502 X501
32.768kHz 18.432MHz
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8
SONY BUS INTERFACE
RST RST
13
BUSSO DATA IN
9
BUSSI DATA OUT
8
BUSCKO
CLK IN
11
BUS ON BUS IN
12
OSC
C536, R538 BU-IN B/U-C
10
LIQUID CRYSTAL
DISPLAY
LCD500
Q Q
3 7 6 3
FM/AM TUNER UNIT
(TU1) B+
BACKUP +5V
(AUDIO CIRCUIT B+)
LED801
LSW801
Z
u 1 6 3
.
21 21
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2 4
9 9 8
IC581
RST
RESET
2
SWITCH
DATA
I/O
6
CLK
4
BUS ON
BUS ON
1
SWITCH
BATTERY BATT
3
SWITCH
D581
BATTERY DETECT
Q581
D610
D611
1 5 1 5 0 8 9 2 4
6 AMP+B
8 ANT+B
REGULATOR
IC611
TU +8V 11 TU+B (8V)
7
VCC
TU +5V 10 TU+B (5V)
COM +8V
9 COM8V
BACKUP +5V 5 BU+B
D552
3 2 4
LED510 – 513
(LCD BACK LIGHT)
LSW501 – 510,
LSW513 – 522
B+
FRONT PANEL B+ SWITCH
Q601, 602
m
REGULATOR
CONTROL SWITCH
Q633
c o ACCESSORY CHECK
Q571
XR-CA610X
2
9 9
CN581
BUS CONTROL IN
2
RESET
5
DATA
4
CLK
6
BUS ON
7
BATT
D582
THP501
BATT B+
CN781 (2/2)
6
ANT REM
5
AMP REM
9 8 2 9 9
BATT B+
POWER AMP
(IC751) B+
F781
16
BATT
7
ACC