MEX-BT39UW/BT3900U/BT3950U
MEX-BT39UW/BT3900U/BT3950U
2222
5-3. BLOCK DIAGRAM - PANEL, POWER SUPPLY Section -
LIQUID
CRYSTAL
DISPLAY
PANEL
LCD901
LCD DRIVER, LED CONTROL
IC901
SYSTEM CONTROLLER
IC501 (3/3)
LSW905 - 912, S901 - 907
(FRONT PANEL KEY)
RC_IN1
18
RC_IN0
97
J801
REMOTE IN
(VOLUME)
X502
32.768kHz
11
10
XOUT
XIN
13
15
X501
7.92MHz
OSCOUT
OSCIN
SIRCS
4
REMOTE CONTROL
SIGNAL RECEIVER
IC902
LED DRIVE
Q903
LED903, 905, 907, 909,
910, 912, 914, 916, 919,
921, 925, 928, 929, 932,
934, 936, 938, 940,
LSW905 (1/2) - LSW912 (1/2)
ILLUMINATOR,
RING ILLUMINATOR
82
RE-IN0
94
KEYIN1
81
RE-IN1
ROTARY
ENCODER
RE901
91
KEYACK0
92
KEYACK1
LCD_DATA
64
LCD_CLK
63
LCD_CE
62
LCD_SO
1
LCD_CLK
2
LCD_CE
100
COLOR1
3
LED DRIVE
Q904
LED902, 904, 906, 908,
911, 913, 915, 917, 918,
920, 923, 924, 926, 931,
933, 935, 937, 939,
LSW905 (2/2) - LSW912 (2/2)
ILLUMINATOR,
RING ILLUMINATOR
COLOR2
4
LED901
(LCD BACK LIGHT)
DIMMER2
B
ACC
13
7
TEL-ATT
AMP-REM
ANT-REM
5
6
+B
19
BATT
MULTIPLE VOLTAGE
REGULATOR
IC301 (2/2)
CN301 (2/2)
AUDIO+B
30
VP2
6
ANT-REM
AUDIO+8.5V
27
AMP-REM
29
MECHA+6V
33
MECHA+6V
PANEL+B
34
PANEL+B
VBUS
BU+B
37
B.U+5V
VP1
20
SERVO+3.3V
31
SERVO+3.3V
ACC
DETECT
Q301
LCD BACK LIGHT
DIMMER CONTROL
Q901
TEL-ATT
DETECT
Q303
ACC_IN
57
TELATT
56
BU+3.3V
+3.3V
REGULATOR
IC402
MIC+3.3V
+3.3V
REGULATOR
IC202
VP
35
USB VBUS POWER SUPPLY
IC601
FGL
10
VIN
2
SYN/EN
8
HSDCTL
9
HSDSW
12
HSDSW
13
USB_ON
50
USB_OVR
52
SYNC_OUT
26
BATT
D806
D807
TH801
BACK-UP
CHECK
Q802
SONY BUS INTERFACE
IC801
UNISO
5
DATA_IN
9
UNISI
6
DATA_OUT
8
DATA_I/O
6
UNISCK
7
CLK_IN
11
CLK
4
BUS_ON
21
BUS_IN
12
BUS_ON
1
SYSRST
20
KEYIN0
95
RST
13
RST
2
BATT
3
4
5
2
6
7
CN801
BUS CONTROL IN
BU_CHECK
10
BUIN
19
XSYS_RST
BU_CHECK
PUSH ENTER/
SEL/
COM4
I
COM1
SEG48
I
SEG1
60, 55, 50 – 554 – 51
BT3900U: AEP, Russian, UK/
BT3950U
BACK-UP
CHECK
Q807, 808
(BT39UW/BT3900U: US, Canadian)
(Page 20)
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