Sony XR-3100R - BLOCK DIAGRAM - DISPLAY;KEY CONTROL;BUS CONTROL;POWER SUPPLY Section

2020
XR-3100R/C33R
6-3. BLOCK DIAGRAM – DISPLAY/KEY CONTROL/BUS CONTROL/POWER SUPPLY Section –
SYSTEM CONTROLLER
IC501 (3/3)
35
RE-IN1
KEYACK
76
KEYIN1
RE-IN0
36
37
KEYIN0
RC-IN0
RC-IN1
46
47
48
72
KEY ACTIVE
SWITCH
Q651, 652
D501
ENCODE –
ENCODE +
D653
AD-ON
LSW901 – 903, 905,
LSW906, 921 – 923,
LSW925 – 933, S901
ROTARY
ENCODER
RE901
BACKUP +5V
VOLUME/BASS/TREBLE/
BALANCE/FADER CONTROL
RE901
J501
REMOTE IN
80
NOSESW
D-BASS
DOORSW
12
51
CNP901
(FRONT PANEL SIDE)
CN500
(MAIN BODY SIDE)
15
4
S981
D-BASS
15
4
X1 X0
X1A X0A
93 92
73 74
X501
3.68MHz
X502
32.768kHz
SHIFT
3
DI
64
CL
63
60
CE
OSC
62
LCD SO
13
LCD CKO
14
16
LCD CE
LED DRIVE
Q945
ILL B+
LIQUID CRYSTAL DISPLAY DRIVER
IC901
4 – 47
S04 – S47
52 – 55
COM1 – COM4
LIQUID CRYSTAL
DISPLAY
LCD901
05
BACKUP +5V
RESET SIGNAL
GENERATOR
IC652
BATTERY DETECT
Q701
6
8
4
CLK
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
IC701
BATT
BATT B+
BUS ON
DATA
CLK
RESET
7
6
5
4
2
RST
3
BATT
CLK
DATA-OUT
DATA-IN
RST
BUS ON
BU-IN
CLK
DATA-OUT
DATA-IN
RST
BUS ON
BU-IN
BATTERY
SWITCH
10
BU IN
77
10
19
UNICKO
17
UNISI
18
UNISO
86
HSTX
11
90
TH701
D702
D701
BATTERY DETECT
Q701 – 703
D707
RESET
SYSRST
BU-IN
BUS-ON
S503
(RESET)
(FOR SONY BUS)
CN701
BUS CONTROL IN
POWSEL
A (ON)
B (OFF)
56
ACCESSORY CHECK
Q661
ANT+B
FM8V
REGULATOR
IC671
COM8V
AM8V
MODE1 MODE2 STB
1
BATT
ANT REM
2
CN601 (2/2)
(POWER CONNECTOR)
REGULATOR
CONTROL SWITCH
Q82
COM +8V
(AUDIO CIRCUIT B+)
D662
AM B+
FM/AM TUNER UNIT
(TU1) B+
FM B+
VCC
7
5
ACC
+5V
REGULATOR
Q71
+5V
(TUNER CIRCUIT B+)
+9V
REGULATOR
Q81
+9V
(TUNER CIRCUIT B+)
REGULATOR
CONTROL SWITCH
Q633
+10V
REGULATOR
Q631
ILL B+
PL901, 902
(LCD BACK LIGHT)
23 4
9
BU+B
BACKUP +5V
D651
5
10
11
8
AMP+B
6
FM-ON
TU-ON
POWON
120
29
ILL-ON
6
7
BATT B+
POWER AMP
(IC611) B+
AMP REM
7
D673
D674
81
ACC IN
S501
POWER SELECT
LSW901 – 903, 905, 906,
LSW921 – 923,
LSW925 – 933
(C33R)
(3100R)
(C33R)