Block Diagram - Display/Key Control/Bus Control/Power Supply Section - Sony XR-C5110R Service Manual

XR-C5110R/C5120R
6-3. BLOCK DIAGRAM – DISPLAY/KEY CONTROL/BUS CONTROL/POWER SUPPLY Section –
J501
REMOTE IN
D653
LSW901 – 903, 905,
LSW906, 921 – 923,
LSW925 – 933, S901
D501
RE900
VOLUME/BASS/TREBLE/
BALANCE/FADER CONTROL
ENCODE –
ROTARY
ENCODER ENCODE +
RE900
BACKUP +5V
KEY ACTIVE
SWITCH
Q651, 652
S981
D-BASS
4 4
15 15
CNP901 CN500
(FRONT PANEL SIDE) (MAIN BODY SIDE)
RESET SIGNAL
BACKUP +5V GENERATOR
IC652
S503
(RESET)
S501
POWER SELECT
A (ON)
B (OFF)
05
ILL B+
SYSTEM CONTROLLER LIQUID CRYSTAL DISPLAY DRIVER
IC501 (3/3) IC901
72 RC-IN1 LCD SO 13 64 DI
LCD CKO 14 63 CL
48 RC-IN0
LCD CE 16 62 CE
1
AMBER
46
KEYIN0
GREEN 2
47 KEYIN1
OSC 60
36 RE-IN0 3
SHIFT
37 RE-IN1
LIQUID CRYSTAL DISPLAY
35
AD-ON
76 KEYACK
RST
SYSRST 11
DATA-OUT
UNISO 18
DATA-IN
17
UNISI
CLK
51 D-BASS
19
UNICKO
BUS ON
BUS-ON 10
BU-IN
BU-IN 77
12 DOORSW
80 NOSESW
FM-ON 6
TU-ON 7
POWON 120
90 RESET
86 HSTX
56 POWSEL
ILL-ON 29
ACC IN 81
73 74 93 92
X502 X501
32.768kHz 3.68MHz
– 23 –
LED DRIVE
Q943
LSW901 – 903, 905,
LSW921 – 923,
LED DRIVE
LSW925 – 933
Q941
Q942
Q944 LSW906
ILL B+
LED DRIVE
Q945
LCD901
+5V
(TUNER CIRCUIT B+)
FM/AM TUNER UNIT
(TU1) B+
(AUDIO CIRCUIT B+)
SONY BUS INTERFACE
IC701
RST RST RST
RESET
13 2
SWITCH
DATA-OUT DATA IN DATA
9 6
DATA-IN DATA OUT
8
CLK CLK
CLK IN
11 4
BUS BUS ON
BUS ON ON IN OUT
BUS ON
12 1
SWITCH
BU-IN
BU IN BATTERY BATT
10 3
SWITCH
D702
D701
BATTERY DETECT
Q701
D673
D674
6 AMP+B
+5V
REGULATOR 8 ANT+B POWER AMP
Q71
11
FM B+ FM8V
REGULATOR
IC671
VCC 7
AM B+ 10 AM8V
COM +8V
9 COM8V
BACKUP +5V 5 BU+B
D651
3 2 4
+9V
+9V
REGULATOR
(TUNER CIRCUIT B+)
Q81
REGULATOR
CONTROL SWITCH
Q82
PL901, 902
(LCD BACK LIGHT)
+10V
ILL B+ REGULATOR
Q631
REGULATOR
CONTROL SWITCH
Q633
D662
ACCESSORY CHECK
Q661
– 24 –
CN701
BUS CONTROL IN
(FOR SONY BUS)
2
RESET
5
DATA
4
CLK
6
BUS ON
7
BATT
TH701
BATT B+
CN601 (2/2)
(POWER CONNECTOR)
2
ANT REM
7
AMP REM
BATT B+
(IC611) B+
1
BATT
5
ACC
ACC
D (Page 22)