Read Sony XR-C5120RA Service Manual online
14
14
XR-C5120RA
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,
LSW906, 921 – 923,
LSW925 – 933, S901
ROTARY
ENCODER
RE900
BACKUP +5V
VOLUME/BASS/TREBLE/
BALANCE/FADER CONTROL
RE900
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
LSW901 – 903, 905,
LSW921 – 923,
LSW925 – 933
SHIFT
3
DI
64
CL
63
60
CE
OSC
62
LCD SO 13
LCD CKO 14
16
LCD CE
LED DRIVE
Q945
ILL B+
ILL B+
LIQUID CRYSTAL DISPLAY DRIVER
IC901
4 – 47
S04 – S47
52 – 55
COM1 – COM4
LIQUID CRYSTAL DISPLAY
LCD901
LSW906
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
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
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)
2
3
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
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