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STR-KM5500
STR-KM5500
22
22
6-5. BLOCK DIAGRAM – KEY/DISPLAY Section –
FL DISPLAY DRIVER
IC102
FLASH1/DMPORT_MICOM TX
FLASH2/DMPORT_MICOM RX
MD2
MD0
EEPROM
IC1131
DMPORT_RX
DMPORT_TX
REMOTE
CONTROL
SIGNAL
RECEIVER
IC101
SIRCS
+5V
(DCDC)
FLASH2
MD2
MD0
RESET
FLASH1
MIC AMP
IC180
DETECT
D180, D181
AUTO CAL MIC
J180
X1101
24MHz
CNS504
5
6
8
9
3
FLASH
PROGRAMMING
S110
@
+3.3V
(STBY)
SW NETWORK
S101-103
SW NETWORK
S107-109
LED DRIVE
Q110
LED DRIVE
Q110
T101
SWITCHING
TRANSFORMER
Q101
SWITCHING
TRANSISTOR
RV102
MASTER
VOLUME
2
3
RV101
INPUT
SELECTOR
2
3
FL101
VACUUM
FLUORESCENT
DISPLAY
D105
IC103
+5V
D106