Table of Contents
Advertisement
MEX-BT4000E/BT4000P/BT4000U/BT4050U/BT4054U
5-3.
BLOCK DIAGRAM - PANEL/POWER SUPPLY Section -
LED903
(KEY ILLUMINATION)
LED902
(RING ILLUMINATION)
LED900
(LCD BACK LIGHT)
MEX-BT4000E/BT4000P/BT4000U/BT4050U/BT4054U
X502
32.768kHz
X501
LIQUID CRYSTAL DISPLAY
LIQUID CRYSTAL DISPLAY DRIVER
7.92MHz
LCD901
IC901
48
SEG2 – SEG48,
S1 – S48
SEG52
4
COM1 – COM4
COM1 – COM4
LCD_DATA 64
LCD_CLK 63
LCD_CE 62
2
R
LED DRIVE
3
G
Q900 - 908
4
B
CN901
CN102
19
19
REMOTE CONTROL
RECEIVER
IC902
S951 - 957,
S959 - 966
(FRONT PANEL KEY)
ROTARY
PUSH ENTER/
ENCODER
SELECT/
RE901 (1/2)
ROTARY
(VOLUME)
ENCODER
RE901 (2/2)
J801
REMOTE IN
SYSTEM CONTROLLER
IC501 (3/3)
11
XOUT
RESET SIGNAL
RESET 12
GENERATOR
IC403
10
XIN
13
OSCOUT
B+ SWITCH
IC201 VCC
Q203, 204
15
OSCIN
BT_MIC_ON 93
BU +3.3V
1
LCD_SO
2
LCD_CLK
IC830, 831 VCC
100
LCD_CE
VDD_3.3V
ILL +B
DR_6V
3
NOSE_SW
+8.5V
4
SIRCS
USB_VBUS
FLT_USB 52
EN_USB 50
SYNC_OUT 26
EN_SYS 53
92 KEYACK1
B/U B+
95 KEYIN0
94 KEYIN1
BACK UP
VOLTAGE
BUIN 19
DETECT
Q801, 803
82 RE_IN0
81 RE_IN1
ACC_IN 57
ILL_IN 83
18
RC_IN1
97
RC_IN0
TELATT 56
91 KEYACK0
26
26
RESET
C
(Page 25)
RESET
D
(Page 24)
+3.3V
REGULATOR
IC402
REGULATOR
IC301 (2/2)
F4
37
BU+B
31
SERVO-3.3V
34
PANEL+B
33
MECHA-6V
AMP-REM 29
30
AUDIO+B (8.5V)
DC/DC CONVERTER
IC1300
5 USBOUT
USBIN 7
2 LX
9
12
D805
D806
BATTERY
CHECK
Q802
BU_IN
E
(Page 24)
ACCESSORY
CHECK
Q301
DIMMER
DETECT
Q302
TEL ATTENUATION
DETECT
Q303
CN301 (2/2)
16
+B
18
VP 35
FU301
VP1 20
19
VP2 6
AMP-REM
5
6
ANT-REM
VIN 3
8 4
7
ACC
14
ILL
13
TEL-ATT
Advertisement
Table of Contents
