Icom IC-R9500 Service Manual - Page 17

FRONT CPU DISPLAY BOARD, Outputs [RECEIVE] LED control

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FRONT CPU (DISPLAY BOARD) Pin number Port name Description 1 CNTV Outputs LCD contrast control signal. 2 BRIV Outputs LCD brightness control signal. 3 LDAT Outputs data signal to the SERI PARA IC (IC7). 4 LST Outputs strobe signal to the SERI PARA IC (IC7). 5 RTCCK Outputs clock signal to the clock IC (IC601). Outputs the clock IC (IC601) select 8 RTCCE signal. High: The clock IC is selected. 9 MOND Outputs [RECEIVE] LED control signal. 17 SRDLYD Input port for [DELAY] swicth. 18 DIALC Input port for [MAIN DIAL] (phase C). 19 DIALB Input port for [MAIN DIAL] (phase B). 20 DIALA Input port for [MAIN DIAL] (phase A). 21 SROFFD Input port for [OFF] key (scan resume). 22 DLOCKD Outputs control signal to [ROCK] LED. 23 REMOTD Outputs control [REMOTE] LED. signal to 25 BKLS Outputs control signal to backlight LED. 26 CFLV Outputs control signal to CF LED. 28 PHNI Input port for headphone detect signal. 34 LRXD Input port for data by 38400 bps. 35 CLKOFS Outputs clock control signal (ON). 36 CLKONS Outputs clock control signal (OFF). 37 RXD Outputs control signal to [RECEIVE] LED. 38 RCTDT I/O port for data signals from/to clock IC (IC601). 45 MODEK Input port for [MODE] swicth. 46 SELSK Input port for [SCAN] swicth. 47 MEMOSK Input port for [MEMO] swicth. 48 FINESK Input port for [FINE] swicth. 49 DLTPSK Input port for [DELTA] swicth. 50 PROGSK Input port for [PROG] swicth. 51 PRIOSK Input port for [PRIO] swicth. 52 TSDNK Input port for [TS] (DOWN) swicth. 53 TSUPK Input port for [TS] (UP) swicth. 54 MONIK Input port for [MONI] swicth. 55 PLYK Input port for [PLAY] swicth. 56 RECK Input port for [REC] swicth. 57 DUPK Input port for [DUP] swicth. 58 LCDSK Input port for [LCD SET] swicth. 59 DIMK Input port for [DIMMER] swicth. 61 DISPK Input port for [DISPLAY] swicth. 63 MSCK Input port for [M.SCOPE] swicth. 64 F1K Input port for [F-1] swicth. 65 F2K Input port for [F-2] swicth. 66 F3K Input port for [F-3] swicth. 67 F4K Input port for [F-4] swicth. Pin number 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 Port name F5K F6K F7K FMK WFMK PWRK AMK SSBK P SKK DIGIK EXTK BANKB BANKA MCHB MCHA PBT2B PBT2A PBT1B PBT1A LG_RES Description Input port for [F-5] swicth. Input port for [F-6] swicth. Input port for [F-6] swicth. Input port for [FM] swicth. Input port for [WFM] swicth. Input port for [POWER] swicth. Input port for [AM] swicth. Input port for [SSB] swicth. Input port for [PSK] swicth. Input port for [F-6] swicth. Input port for [DIGITAL] swicth. Input port for [BANK] dial (phase A). Input port for [BANK] dial (phase B). Input port for [M-CH] dial (phase B). Input port for [M-CH] dial (phase A). Input port for [NOTCH1] dial (phase B). Input port for [NOTCH1] dial (phase A). Input port for [NOTCH2] dial (phase B). Input port for [NOTCH2] dial (phase A). Input port for reset signal. 3 - 9

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3 - 9
Pin
number
Port
name
Description
1
CNTV
Outputs LCD contrast control
signal.
2
BRIV
Outputs LCD brightness control
signal.
3
LDAT
Outputs data signal to the SERI
PARA IC (IC7).
4
LST
Outputs strobe signal to the SERI
PARA IC (IC7).
5
RTCCK
Outputs clock signal to the clock
IC (IC601).
8
RTCCE
Outputs the clock IC (IC601) select
signal.
High: The clock IC is selected.
9
MOND
Outputs [RECEIVE] LED control
signal.
17
SRDLYD
Input port for [DELAY] swicth.
18
DIALC
Input port for [MAIN DIAL] (phase
C).
19
DIALB
Input port for [MAIN DIAL] (phase
B).
20
DIALA
Input port for [MAIN DIAL] (phase
A).
21
SROFFD
Input port for [OFF] key (scan
resume).
22
DLOCKD
Outputs control signal to [ROCK]
LED.
23
REMOTD
Outputs control signal to
[REMOTE] LED.
25
BKLS
Outputs control signal to backlight
LED.
26
CFLV
Outputs control signal to CF LED.
28
PHNI
Input port for headphone detect
signal.
34
LRXD
Input port for data by 38400 bps.
35
CLKOFS
Outputs clock control signal (ON).
36
CLKONS
Outputs clock control signal (OFF).
37
RXD
Outputs control signal to
[RECEIVE] LED.
38
RCTDT
I/O port for data signals from/to
clock IC (IC601).
45
MODEK
Input port for [MODE] swicth.
46
SELSK
Input port for [SCAN] swicth.
47
MEMOSK
Input port for [MEMO] swicth.
48
FINESK
Input port for [FINE] swicth.
49
DLTPSK
Input port for [DELTA] swicth.
50
PROGSK
Input port for [PROG] swicth.
51
PRIOSK
Input port for [PRIO] swicth.
52
TSDNK
Input port for [TS] (DOWN) swicth.
53
TSUPK
Input port for [TS] (UP) swicth.
54
MONIK
Input port for [MONI] swicth.
55
PLYK
Input port for [PLAY] swicth.
56
RECK
Input port for [REC] swicth.
57
DUPK
Input port for [DUP] swicth.
58
LCDSK
Input port for [LCD SET] swicth.
59
DIMK
Input port for [DIMMER] swicth.
61
DISPK
Input port for [DISPLAY] swicth.
63
MSCK
Input port for [M.SCOPE] swicth.
64
F1K
Input port for [F-1] swicth.
65
F2K
Input port for [F-2] swicth.
66
F3K
Input port for [F-3] swicth.
67
F4K
Input port for [F-4] swicth.
Pin
number
Port
name
Description
68
F5K
Input port for [F-5] swicth.
69
F6K
Input port for [F-6] swicth.
70
F7K
Input port for [F-6] swicth.
71
FMK
Input port for [FM] swicth.
72
WFMK
Input port for [WFM] swicth.
73
PWRK
Input port for [POWER] swicth.
74
AMK
Input port for [AM] swicth.
75
SSBK
Input port for [SSB] swicth.
76
P SKK
Input port for [PSK] swicth.
77
DIGIK
Input port for [F-6] swicth.
78
EXTK
Input port for [DIGITAL] swicth.
79
BANKB
Input port for [BANK] dial (phase
A).
80
BANKA
Input port for [BANK] dial (phase
B).
81
MCHB
Input port for [M-CH] dial (phase
B).
82
MCHA
Input port for [M-CH] dial (phase
A).
83
PBT2B
Input port for [NOTCH1] dial (phase
B).
84
PBT2A
Input port for [NOTCH1] dial (phase
A).
85
PBT1B
Input port for [NOTCH2] dial (phase
B).
86
PBT1A
Input port for [NOTCH2] dial (phase
A).
87
LG_RES
Input port for reset signal.
FRONT CPU (DISPLAY BOARD)