Display/Key Control/Bus Control/Power Supply Section - Sony XR-C5500 Service Manual

– DISPLAY/KEY CONTROL/BUS CONTROL/POWER SUPPLY SECTION –
J561
REMOTE IN
24
7
D533
S901 – 904,
LSW901 – 907, 909,
5
LSW912 – 917
4
LSW801
D501
RE901
(VOLUME)
ENCODE –
ROTARY 81
ENCODER
ENCODE +
80
RE901
BU+B
KEY ON
SWITCH
Q551
82
26
1 9
78
CN901 CN701
(FRONT PANEL SIDE) (MAIN UNIT SIDE)
S552
(NOSE SW)
18
RESET
33
BU+B
IC551
S551
(RESET)
XR-C5500
S501
(FREQUENCY SELECT)
9 kHz
6
10kHz
R531
R560
22k
47k
BU+B
BU+B BU+B
XR-C5604X
09
MASTER MICRO COMPUTER LIQUID CRYSTAL DISPLAY DRIVER
IC501 (3/3) IC901
DATA-LCD
21 64
RC-IN1 LCD SO DI
CLK-LCD
LCD CKO 23 63 CL
CE-LCD
RC-IN0
LCD CE 22 62 CE
KEYIN0
KEYIN1
OSC 60
RE-IN0
RE-IN1
AD-ON
KEYACK
SIR
SIRCS 29
UN1
20
SYSRST
UN4
UNISO 42
UN3
UNISI 43
UN5
UNICKO 44
UN2
19
BUSON
BUIN
BUIN 28
DOORSW
NOSESW
TUON 34
PWON 36
RESET
DOOR IND 79
DSTSEL
ILL-ON 83
38
ACC IN
16 15 12 13
X502 X501
32.768kHz 18.432MHz
FP+B
LSW901 – 907, 909,
LSW912 – 917
LED901 – 904
FP+B
REMOTE
CONTROL
SENSOR
IC951
LIQUID CRYSTAL DISPLAY
LCD901
FM/AM TUNER UNIT
(AUDIO CIRCUIT B+)
19 19
SONY BUS INTERFACE
IC581
UN1 RST RST
RESET
13 2
SWITCH
UN4 DATA IN DATA
9 6
UN3 DATA OUT
8
UN5 CLK IN CLK
11 4
BUS BUS ON
UN2
ON IN OUT
BUS ON
12 1
SWITCH
BUIN B/U-C BATT
BATTERY
10 3
SWITCH
VIDEO CD
INVERTER
Q582
D582
D581
BATTERY CHECK
Q581
D610
D611
6 AMP+B
8
ANT+B
TU8V 11 TU+B (8V)
REGULATOR
IC611 VCC 7
TU5V 10 TU+B (5V)
COM +8V
9 COM8V
BU +B 5 BU+B
D551
3 2 4
LED801 LSW801
DOOR
INDICATOR
SWITCH
Q631
LED910 – 914
(LCD BACK LIGHT)
FP REGULATOR
FP B+
Q601
FP REGULATOR
DRIVE
Q602 D572
ACCESSORY CHECK
Q571
XR-C5500/C5604X
CN581
BUS CONTROL IN
(FOR SONY BUS)
2
RESET
5
B. DATA
4
B. CLK
6
BUS ON
7
BATT
3
SIRCS
TH501
BACK UP BATT B+
CN781 (2/2)
(POWER CONNECTOR)
6
ANT REM
5
AMP REM
BATT B+
POWER AMP
(IC751) B+
18
BATT
7
ACC