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STR-KM5500
6-5.
BLOCK DIAGRAM – KEY/DISPLAY Section –
J180
MIC AMP
AUTO CAL MIC
IC180
DETECT
5
1
D180, D181
X1101
24MHz
EEPROM
IC1131
5
SDA
SCL
6
TUNER/AUDIO
DMPORT_RX
SECTION
DMPORT_TX
(Page 18)
CNS504
FLASH1
5
FLASH2
6
MD2
FLASH
8
PROGRAMMING
MD0
9
RESET
3
+3.3V
(STBY)
IC1111
2
1
RESET
S110
STR-KM5500
SYSTEM
CONTROL
IC1101 (5/6)
38 DCAC_IN
FL_LAT
76
FL_DATA
75
74
FL_CLK
83
X1
82
X0
29
SDA
SIRCS
54
30
SCL
VOL_ENCODER(A)
65
VOL_ENCODER(B)
64
ENC_A
31
ENC_B
32
28
FLASH1/DMPORT_MICOM TX
27
FLASH2/DMPORT_MICOM RX
D105
51
MD2
LED DRIVE
NIGHT_MODE 60
49
MD0
Q110
LED DRIVE
MULTI_ST 59
Q110
D106
77
RSTX
A/D1
39
SW NETWORK
40
A/D2
S101-103
56
POWER_KEY
FL DISPLAY DRIVER
IC102
SG1
61
I
I
SG4
64
•
53 CSB
SG5
1
I
I
FL101
SG35
31
55 DIN
VACUUM
FLUORESCENT
DISPLAY
54 CLKB
GRID1
32
I
I
GRID11
42
REMOTE
SIRCS
CONTROL
2
OUT
SIGNAL
RECEIVER
IC101
RV102
2
MASTER
3
VOLUME
RV101
2
INPUT
3
SELECTOR
IC103
+5V
+5V
REG
SW NETWORK
S107-109
22
22
+5V
T101
Q101
SWITCHING
SWITCHING
(DCDC)
TRANSFORMER
TRANSISTOR
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