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8-4
PWRK
SQL
Q521
MICE
FLRX
D
LCD-TW
1
1 MIC
2
2 +8V
3
3 MIC U/D
4
4 SQL
5
5 PTT
6 6 GND
7
7 MICE
8
8 AF OUT
LCD
LIGHT
PHOL
PH
E
CTRL
Q505
FLTX
D
SEND
SW
Q571~Q573
LCD
IC221, IC222
LCD
LIGHT
CTRL
FRES
TW-CTRL
IC251
IC453
LVDS
RECEIVER
1
2
3
4
5
1
2
3
4
56
6
CTRL
Q506
AFO
PHOR
+8
V
LCD_ON
D3R3
V
F3R3V
F3R3V
FLRX
D
FRES
FLTX
D
BKL
V
PHK
DOTK
DSHK
FUDL
CTRL
Q507
CTRL
Q509
CTRL
Q508
CTRL
Q502
CTRL
Q501
CTRL
Q511
CTRL
Q510
CTRL
Q503
CTRL
Q504
CTRL
Q752
CTRL
Q751
CTRL
Q754
CTRL
Q753
CTRL
Q863
CTRL
Q862
CTRL
Q861
CTRL
Q512
USA5V
F3R3V
USA5V
USA5V
IC301
BUFF
Q303, Q304
DIM
CTRL
Q301, Q302
DIM
CTRL
HV
USA5V
F3R3
V
FTRA
S
FSEN
I
MICI
F3R3V
F3R3V
FSQS
FSQS
CURRENT
LIMIT
Q581, Q582
#1:CD/DAT3
#2:CMD
#3~#1:VSS
#4:VDD
#5:CLK
#6:VSS
#7:DAT0
#8:DAT1
#9:DAT2
CD
WP1
WP2
#3~#2:VSS
SBYDS
PWRDS
AFML
RFML
AFSL
RFSL
TMRDS
TUONDS
TUNEDS
TMDS
RMDS
NBDS
NRDS
TSDS
RSDS
MAINDS
MAINTDS
SUBDS
SUBTDS
PBTDS
FILDS
APFDS
SDDS
KI
0
KI
1
KI
2
KI
3
KI
4
KI
5
KI
6
KI
7
KI
8
KI
9
TRSK
MSCK
QUICKK
XFCK
CHGK
AFMK
AFSK
MFDAK
MFDBK
MFK
PBAAK
PBABK
PBBAK
PBBBK
KSPDL
PTCHL
RITAK
RITBK
MAINDAK
MAINDBK
PBTK
LDPS
LEDV
STBV
FSQS
VR BOARD
RIT DIAL
XR, YD, XL, YU
MAIN DIAL
DS1 (LCD)
D3R3V
FRONT CPU
IC101
PBT
BOARD
SD BOARD
VLED–
VLED+
JACK BOARD
[RF/SQL]
EX-3210
MIC BOARD
FRONT UNIT
POWER KEY
[AF GAIN]
DISPLAY BOARD
LK0M,LK0
P
LK1M,LK1
P
LK2M,LK2
P
CLKM,CLK
P
USB BOARD
MULTI
BOARD
[RF/SQL]
[AF GAIN]
[PHONES]
[ELEC-KEY]
MAIN
SUB
[KEY SPEED]
[PITCH]
MULTIPLEXER
IC451, IC452
AS0, AS1
ASL0, ASL1, ASL2
EXPANDER
IC401~IC403
FCK, FDAT
FSTB, FOE
PUSH SW,
VR, ENCODERs
POWER
STAND BY
TIMER
TUNER ON
TUNE
MAIN TX
MAIN RX
NB
NR
SUB RX
SUB TX
MAIN
MAIN
TRACKING
SUB
SUB
TRACKING
PBT
FILTER
APF/TPF
SD ACCESS
TIMER
TUNER
MAIN AF
(AFMK)
1.8
10
21
GENE
3.5
14
24
50
7
18
28
MAIN/SUB
SPLIT
DUAL-W
EXIT
REC
PLAY
SPEECH,LOCK
PBT
(PBTK)
FILTER
APF, TPF
RIT
∆TX
RIT CLEAR
[TRANSMIT]
MP-W
MP-R
AUTO TUNE
NB
NR
SUB AF
(AFSK)
MENU
[QUICK]
[M.SCOPE]
[XFC]
[CHANGE]
MAIN AF
SUB AF
TWCS, TWBUSY
TWDTX, TWDRX
TWDCLC, TWPIRQ
PBT
MAIN UNIT
D+1, D–1, VBUS1
D+2, D–2, VBUS2
SDDAT0, SDDAT1, SDDAT2
SDCMD, SDCLK, SDCD, SDWP
SD3R3V
LVDS
EX-3956
R3~R7, G2~G7, B3~B7
LCK, HS, VS, DE
DATA LINE
CONTROL LINE
COMMON LINE
TX LINE
Explanatory notes
RX LINE