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4-1. BLOCK DIAGRAM – MAIN SECTION –
IC6
PRE AMP
1
2
4
3
LED3
RECEIVED
5
6
INFRARED RAYS
+3V
10
11
9
8
VSS
7
SWITCH FLEXIBLE
UNIT
+3V
(BACK LIGHT)
RM-AX1400
8
2 9
74
P00/LRN_I
Q15
LEARN
73
P01/LRN_O
CONTROL
P27/KEYS_O
8
61
P20/KEYS_O
68
P77/KEYD_I
8
30
37
P70/KEYD_I
+3V
IC71
LED DRIVER
CE 1
55
P54/BL_EN
5
LX
2
FB
14
P122/OSC_O
X1
5 MHz
15
P121/OSC_I
47
P17/PWM_O
LCD101
(ORGANIC EL INDICATOR MODULE)
Q801
SWITCH
Q802
OLED CONTROL
+3V
70
78
77
76
72
IC1
SYSTEM CONTROLLER
9
9
SEND
INFRARED RAYS
+3V
LED2
LED1
79
Q14
LED DRIVER
P16/IR_O 48
Q6
P30/INT1/VBUS_I 46
VBUS CONTROL
USB MODE CONTROLLER
IC3
USB CONTROL
1
5
22 VCC
3
P56/VBUS_O 57
P57/CS_O 58
1 I_CS
P11/USBTX_O 54
3 I_WR/SK
P11/USBRX_I 53
8 O_DO/SO
P12/SI_O 52
7 I_AC/SLE/SI
P32/USB_SM_INT_I 40
4 I_INTR
P06/T1011/T001 38
16 RESET
+3V
BZ1
(BUZZER)
P15/BZ_O 49
IC4
RESET_I 10
RESET
+3.3V
P03/IC6_EN 71
RM-AX1400
IC2A
XOUT
27
X702
VBUS
24MHz
XIN
26
D+
CN3
D+
19
(USB)
V3.3
18
D–
D–
20
+3V
IC5
+3.3V REG
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION R6)
2PCS, 3.0V
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