MEX-BT3100P/BT3100U
MEX-BT3100P/BT3100U
23
23
5-3. BLOCK DIAGRAM - PANEL/POWER SUPPLY Section -
LIQUID CRYSTAL
DISPLAY DRIVER
IC901
LED DRIVE
Q931
LIQUID CRYSTAL
DISPLAY PANEL
LCD901
LED931, 933, 935,
LED937, 939, 941,
LED943, 945, 947,
LED951, 953, 955,
LED957, 959, 961,
LED963, 965
(KEY ILLUMINATION)
LED DRIVE
Q930
LED930, 932, 934,
LED936, 938, 940,
LED942, 944, 946,
LED950, 952, 954,
LED956, 958, 960,
LED962, 964
(KEY ILLUMINATION)
LED DRIVE
Q901
LED901
(LCD BACK LIGHT)
S [1] – S [49]
49
COM [1] – COM [4]
4
(BT3100U)
SUB SYSTEM
CONTROLLER
IC601 (3/3)
MAIN SYSTEM CONTROLLER
IC501 (3/3)
ACC
13
AMP_REM
9
15 VCC
B/U B+
REGULATOR
IC301 (2/2)
CN301 (2/2)
+8.5V
BU +3.3V
BU +5V
ACCESSORY
DETECT
Q301
IC701 VDD +1.5V
IC601 +1.2V
IC701 VDDM +1.5V
ILL +B
DR +6V
VDD +3.3V
USB_VBUS
8
D805, 806
BATTERY
CHECK
Q801 - 803
S901 – 907,
S909 – 916,
RE901 (1/2)
(FRONT PANEL KEY)
J801
REMOTE IN
(VOLUME)
ROTARY
ENCODER
RE901 (2/2)
X501
7.92MHz
X502
32.768kHz
IC601 +3.3V
17
17
CN901
CN102