ICOM IC-756Pro2 Schematics

MP4 (F)
ME1 (F)
MP1 (F) MP5 (F)MP19 (F)
MP7 (F)
MP3 (F)
MP6 (F) MP11 (F)
MP51 (F) MP52 (F)
MP8 (F)
MP13 (F)
MP9 (F)
MP10 (F)
MP29 (F)MP11 (F)
MP12 (F)
MP38 (C)
MP12 (F)
MP11 (F)
J1 (MI)
J2 (PH)
MP14 (F)
MP43 (C)
+
MP42 (C)
+
MP45 (C)
+
MP44 (C)
MP12 (F)
MP15 (C)
+
J6 (C)
MP15 (C)
+
J5 (C)
J662 (M)
MP2 (C)
MP3 (C)
MP21 (C)
MP20 (C)
J701 (M) J691 (M)
MP40 (C)
J681 (M)J661 (M) J351 (M)
MP39 (C)
MODE BOARD
TEN-KEY BOARD
PHONE BOARD
KEY BOARD
DISPLAY BOARD
PBT BOARD
RIT BOARD
MIC BOARD
MP4 (DIS)
MP5 (DIS)
MP3 (DIS)
MP23 (F)
W3 (F)
W1 (F)
J2 (PH)
MP6 (DIS)
MP49 (F)
MP7 (DIS)
R701 (DIS)
R702 (DIS)
J1 (MI)
MP49 (C)
EP2 (F)
MP2 (F)
MP7 (F)
MP24 (F)
MP4 (F)
MP74 (C)
MP5 (F) MP76 (C)
MP77 (C)
MP77 (C)
MP85 (C)
MP25 (F)
MP1 (F)
MP19 (F)
MP11 (F)
MP12 (F)
MP30 (F)
MP20 (F)
MP51 (F)
MP52 (F)
MP21 (F)
MP14 (F)
MP13 (F)
MP29 (F)
MP3 (F)
MP26 (F)
S1 (RI)
MP27 (F)
MP75 (C)
MP40 (F)
MP41 (F)
MP6 (F)
MP73 (C)
MP8 (F)
MP10 (F)
MP9 (F)
EP3 (F) J1 (MI)
DS1 (F)
EP4 (F)
MP54 (F)
R701 (DIS)
R702 (DIS)
S1 (PB)
S1 (RI)
EP1 (F)
ME1 (F)
R1 (PB)
MP49 (F)
EP1 (F)
R1 (PB)
MP53 (F)
MP50 (F)
W5 (F)
S1 (PB)
(F) : FRONT UNIT (C) : CHASSIS PARTS (PB) : PBT BOARD (RI) : RIT BOARD (DIS) : DISPLAY BOARD (MI) : MIC BOARD (KE) : KEY BOARD (PH) : PHONE BOARD
Unit abbreviations
MP1 (DIS)
6 - 2
6 - 3
PA UNIT
FILTER UNIT
CTRL UNIT
PLL UNIT
BPF BOARD
RF-A UNIT
MAIN-A UNIT
DSP-A BOARD
TUNER BOARD
MP81 (C)
MP35 (C)
MP204 (PL)
MP722 (RF)
MP742 (RF)
MP812 (RF)
MP59 (C)
MP602 (RF)
MP502 (RF)
MP28 (C)
MP23 (C)
MP72 (C)
MP70 (C)
MP47 (C)
MP46 (C)
MP63 (C)
MP79 (C)
EP1 (C)
MP61 (C)
MP31 (C)
MP68 (C)
MP5 (C)
MP71 (C)
MP65 (C)
MF1 (C)
MP58 (C)
MP48 (C)
MP4 (C)
MP22 (C)
BT3501 (M)
MP17 (C)
MP80 (C)
MP13 (C)
MP66 (C)
MP27 (C)
MP72 (C)
MP67(C)
SP1 (C)
W13 (C)
MP901 (RF)
MP36 (C)
MP904 (RF)
MP903 (RF)
MP201 (PL)
MP301 (PL)
MP601 (PL)
MP501 (PL)
MP401 (PL)
MP37 (C)
MP2 (M) MP5 (M)
MP5 (DSP)
MP5 (DSP)
MP6 (DSP)
MP5 (DSP)
MP7 (DSP)
MP83 (C)
MP86 (C)
MP3 (M)
MEMORY BOARD
MP1 (M)
MP1 (DSP)
MP402 (PL)
MP452 (PL)
MP602 (PL)
MP302 (PL)
MP152 (PL)
MP102 (PL)
MP902 (PL)
MP502 (PL)
MP503 (PL)
MP203 (PL)
MP1 (PL)
MP1 (C)
MP69 (C)
MP41(C)
MP39 (C)
MP15 (C)
MP38 (C)
MP44 (C)
MP40 (C)
MP45 (C)
MP42 (C)
MP43 (C)
MP6 (T)
MP8 (T)
MP7 (T)
MF2 (T)
MP57 (C)
J111 (RF)
MP501 (RF)
MP7 (C)
MP5 (T)
MP4 (T)
MP3 (T)
MP1 (T)
MP2 (T)
MP3 (C)
MP50 (C)
MP25 (C)
MP9 (C)
MP21 (C)
MP8 (C)
MP26 (C)
MP12 (C)
MP30 (C)
MP51 (C)
MP33 (C)
MP9 (T)
MP11 (C)
MP29 (C)
MP2 (C)
MP20 (C)
MP53 (C)
W11 (C)
MF1 (T)
J5 (C)
J6 (C)
MP202 (PL)
W8 (C)
MP702 (PL)
MP802 (PL)
MP16 (C)
MP46 (C)
EP2 (C)+MP46 (C)
MP32 (C)
MP34 (C)
MP1 (CT)
MP24 (C)
MP88 (C)
MP6 (C)
MP8 (M)
MP7 (M)
MP6 (M)
MP801 (PL)
MP803 (PL)
(C) : CHASSIS PARTS (M) : MAIN-A UNIT (RF) : RF-A UNIT (T) : TUNER BOARD (PL) : PLL UNIT (DSP) : DSP-A BOARD (CT) : CTRL UNIT
Unit abbreviations
W15 (C)
MF1 2710000460 Motor MP28GA 1 MF2 2710000460 Motor MP28GA 1
MP1 8930041090 1876 A-angle 1 MP2 8810008660 Screw PH BT M3 × 8 NI-ZU 1 MP3 8810009060 Screw FH M3 × 6 ZK 4 MP4 8930041110 1876 B-angle 1 MP5 8810009060 Screw FH M3 × 6 ZK 2 MP6 8820000880 1528 screw 4 MP7 8930030111 1414 plate-1 2 MP8 8950003200 UJ6-5 (universal couplings) 2 MP9 8930051580 2178 tuner plate 1
F1 5210000090 Fuse FGB 30A 2 F2 5210000060 Fuse FGB 5A 1
MC1
Optional product
Hand microphone HM-36 1
W1
Optional product
DC power cable OPC-025D 1
MP1 8930014140 Earth spring (D) 1 MP51 8510000230 220 shield case 1 MP101 8510010760 1876 DDS case 1 MP102 8510010770 1876 DDS cover 1 MP103 8510005330 Coil case 1 MP151 8510012550 2178 DDS case 1 MP152 8510012580 2178 DDS cover 1 MP201 8510012540 2178 VCO case 1 MP202 8510011520 2072 VCO cover 1 MP203 8510011710 2072 VCO shield plate 1 MP204 8810003960 Setscrew A M2.6 × 58 MP301 8510005980 724 shield case 1 MP302 8510005990 724 shield cover 1 MP401 8510010760 1876 DDS case 1 MP402 8510010770 1876 DDS cover 1 MP403 8510005330 Coil case 1 MP451 8510012550 2178 DDS case 1 MP452 8510012580 2178 DDS cover 1 MP501 8510012540 2178 VCO case 1 MP502 8510011520 2072 VCO cover 1 MP503 8510011710 2072 VCO shield plate 1 MP601 8510005980 724 shield case 1 MP602 8510005990 724 shield cover 1 MP701 8510005980 724 shield case 1 MP702 8510005990 724 shield cover 1 MP801 8510012550 2178 DDS case 1 MP802 8510012580 2178 DDS cover 1 MP803 8510012400 2177 D/A case 1 MP901 8510005980 724 shield case 1 MP902 8510005990 724 shield cover 1
MP29 8810001650 Screw PH FT M3 × 62 MP30 8810001650 Screw PH FT M3 × 62 MP31 8810008660 Screw PH BT M3 × 8 NI-ZU 4 MP32 8810008660 Screw PH BT M3 × 8 NI-ZU 7 MP33 8810008660 Screw PH BT M3 × 8 NI-ZU 5 MP34 8810008660 Screw PH BT M3 × 8 NI-ZU 4 MP35 8810008660 Screw PH BT M3 × 8 NI-ZU 4 MP36 8810008660 Screw PH BT M3 × 8 NI-ZU 8 MP37 8810008660 Screw PH BT M3 × 8 NI-ZU 7 MP38 8810008660 Screw PH BT M3 × 8 NI-ZU 4 MP39 8810008660 Screw PH BT M3 × 8 NI-ZU 1 MP40 8810008660 Screw PH BT M3 × 8 NI-ZU 1 MP41 8810008160 Hex volt M5 × 18 NI (+) 1 MP42 8830000210 Nut M5 NI BS 1 MP43 8830000360 Wing nut M5 NI 1 MP44 8850000150 Flat washer M5 NI BS 3 MP45 8850000440 Spring washer M5 NI 1 MP46 8810003170 Setscrew A M3 × 84 MP47 8810003170 Setscrew A M3 × 84 MP48 8810000420 Screw PH M4 × 18 4 MP49 8810009310 Screw FH BT M3 × 6 NI-ZU 4 MP50 8930048120 Shield tape (A) 120 × 92 MP51 8930042690 Rubber foot (L) 2 MP53 8010018060 Carrying handle (A) 1 MP57 8930027900 Sponge (DD) 2 MP58 8930038820 Aluminum sheet (V) 1 MP59 8930001170 Earth spring (A) 1 MP61 8810003160 Setscrew A M3 × 62 MP63 8810003160 Setscrew A M3 × 62 MP65 8930043281 Sponge (EW)-1 1 MP66 8930043800 Double coated tape (S) 1 MP67 8930029050 Non-woven sheet (AL) 1 MP68 8930032130 Non-woven sheet (AQ) 2 MP69 8930029050 Non-woven sheet (AL) 1 MP70 8930008670 Sponge (AQ) 2 MP71 8930043490 Sponge (FB) 1 MP72 8930007840 Non-woven sheet (K) 2 MP73 8930043600 Sponge (FE) 1 MP74 8930043480 Sponge (FA) 1 MP75 8930041160 Non-woven sheet (BO) 1 MP76 8930037830 Sponge (ED) 2 MP77 8930007840 Non-woven sheet (K) 4 MP79 8930035240 1546 TR-B crip 1 MP80 8930027940 1126 TR-B crip 1 MP81 8930017260 758 module earth spring 1 MP83 8930043090 Sponge (EV) 1 MP85 8930049130 Shield tape (D) 20 × 92 MP86 8930052100 Shield sponge (C) 1 MP88 8930054550 Insulation sheet (GL) 1
REF. NO.
[CHASSIS PARTS]
ORDER NO. DESCRIPTION QTY.
BT3501 3020000110 Lithium battery CR2032 1 J351 6450000140 Connector HSJ0807-01-010 1
J661 6450000170 Connector TCS4480-01-1111 1 J662 6450000160 Connector TCS4470-01-1111 1 J681 6450001490 Connector HLJ7001-01-3010 1 J691 6450001130 Connector JPL2042-01-110 1 J701 6450000140 Connector HSJ0807-01-010 1
MP1 8930014140 Earth spring (D) 1 MP2 8510012880 2178 A-shield cover assembly 1 MP3 8510012780 2178 A-shield case 1 MP5 8930032290 Sponge (DQ) 1 MP6 8930014140 Earth spring (D) 1 MP7 8930014140 Earth spring (D) 1 MP8 8930014140 Earth spring (D) 1
[MAIN-A UNIT]
REF. NO. ORDER NO. DESCRIPTION QTY.
6 - 4
[TUNER BOARD]
REF. NO. ORDER NO. DESCRIPTION QTY.
J111 6450001130 Connector JPJ2042-01-110 1 MP501 8510000230 220 shield case 1
MP502 8510000241 220 shield cover-1 1 MP601 8510000230 220 shield case 1 MP602 8510000241 220 shield cover-1 1 MP721 8510000230 220 shield case 1 MP722 8510000241 220 shield cover-1 1 MP741 8510005150 602 shield case 1 MP742 8510005160 602 shield cover 1 MP811 8510000230 220 shield case 1 MP812 8510000241 220 shield cover-1 1 MP901 8510002280 VCO shield plate (A) 1 MP903 8510002280 VCO shield plate (A) 1 MP904 8510002280 VCO shield plate (A) 1
REF. NO.
[RF-A UNIT]
ORDER NO. DESCRIPTION QTY.
REF. NO.
[PLL UNIT]
ORDER NO. DESCRIPTION QTY. REF. NO.
[UNPACKING]
ORDER NO. DESCRIPTION QTY.
Screw abbreviations BT: Self-tapping B0: Self-tapping
FT: Self-tapping PH: Pan head FH: Flat head BiH: Bind head NI-ZU: Nickel-zinc NI: Nickel BS: Brass ZK:Black
REF. NO.
MP1 8510002020 MIX shield case 1
[CTRL UNIT]
ORDER NO. DESCRIPTION QTY.
MP1 8510012573 2178 DSP case-3 1 MP5 8930043440 Sponge (EY) 4 MP6 8930052890 Shield tape (G) 1 MP7 8930027700 Insulation sheet (E) 1
[DSP-A UNIT]
REF. NO. ORDER NO. DESCRIPTION QTY.

SECTION 7 SEMI-CONDUCTOR INFORMATION

2SA1162 GR 2SA1576A T106 R 2SA1577 2SB1124 S TD 2SB1132 T100 R
2SB1201 S 2SC1971 2SC1972 2SC2714 O
2SC3647 S TD
2SC4081 T107 R 2SC4117 GR 2SC4213 B 2SC4403 3 TL
2SC4405 3 TL
2SC4673 D TD 2SC5125 2SD1585 K 2SD1619 T TD
2SD1801 S TL
2SJ381 TD 2SK210 GR 2SK508 K52 T2B 2SK515 T1B
2SK882 GR
2SK1740
2SK2171 4 TD
3SK131 T2 MAS
CPH3404-TL
DTA114 EE TL
DTA114EU A T106
DTA144 EE TL DTB123 EK T147 DTC114 EE TL
DTC114EUA T106
(Symbol: SG) (Symbol: FR) (Symbol: HP) (Symbol: BG) (Symbol: BAR)
(Symbol: B1201) (Symbol: None) (Symbol: None) (Symbol: QO)
(Symbol: CC)
(Symbol: BR) (Symbol: DG) (Symbol: AB) (Symbol: LY3)
(Symbol: OY3)
(Symbol: CO) (Symbol: None) (Symbol: DB)
(Symbol: CE)
(Symbol: JI) (Symbol: YG) (Symbol: K52) (Symbol: X33)
(Symbol: TGR)
(Symbol: IJ)
(Symbol: KM) (Symbol: V11)
(Symbol: KD)
(Symbol: 14)
(Symbol: 14)
(Symbol: 16) (Symbol: F12) (Symbol: 24)
(Symbol: 24)
G
D
S
7 - 1
• TRANSISTORS AND FET’S
DTC144 EE TL DTC144 TE UMD3 N TL UMH4N TN UMH11N TN
UN911H UN9211 XP4311
(Symbol: 26) (Symbol: 06) (Symbol: D3) (Symbol: H4) (Symbol: H11)
(Symbol: 6P) (Symbol: 8A) (Symbol: 3X)
E1
C2
B1
C1
E2
B2
B
E
C
B
E
C
B
E
C
B C E
B C E
B
C
E
B
C
E
E1 B1 C2
C1 B2 E2
E1 B1 C2
C1 B2 E2
B
E
E
B
C
C
C
B
E
C
E
B
C
B
E
C
E
B
B
C
E
B C E
B
E
E
B
E
C
E
C
C
B
E
E
B
E
C
C
B
E
E
C
B
B
E
C
B C E
B
C
E
B
C
E
E1 B1 C2
C1 B2 E2
B
E
B C E
C
B
C
E
B C E
G D
D
S
S
D
G
D
G
S
G
S
G
D
G1
G2
S
D
G
S
D
B
E
C
B
C
E
B
C
E
S
D
G
D
G
S
B
C
E
B
C
E
B
C
E
8 - 2
114
78
1
4
8
5
POWER
TRANSMIT
TUNER MONITOR NB NR
AF, AF/SQL BAL/NR
MIC
GAIN
RF
POWER
COMP
BK-IN
DELAY
KEY
SPEED
8-2 DISPLAY BOARD (TOP VIEW)
8 - 3
1
4
8
5
1
45
8
1
4
8
5
169
18
1
100
25
26
50 51
75 76
1
7
14
8
17
14 8
1
16
32
17
NC1
to LCD
23
2
24
J531
HD NC NC
GND
L5V
GL
VCOM
NC
U/D
NC
L18V
L5V
VD
POLC
NC NC RL BL
GND
L/R NC
N/P
-
15V
9
1
2
10
to PBT
board J1
J601
5VF
PITL PB1B PB2B
GND
NOTL PB1A PB2A
GND GND
23
1
24
2
to MAIN-A
unit J891
J301
LFMD
SRES
R
B
VSYNC
GND
GND
-
8V
NC
NC
14V
NC
LMFD
YOBI
G
HSYNC
GND
GND
NC
-
8V
+18V
14V
14V
NC
to SP
J452
SSP 1
3
NC
SSPE
to MAIN-A
unit J352
J451
1
4
SPE
NC NC
SSP
10
2
to PHONE
board J1
J941
9
1
GND
GND
GND
PHNI
AFO
GND
GND
GND
PHE
PHE
10
2
to KEY board J1
J921
9
1
DASH
GND GND GND GND
DOT GND GND GND GND
1
to MIC board J2
9
2
10
J322
MICI
MUD
MSND
MMICE
NC
M8V
SQLS
GND AFO
NC
1
to MAIN-A unit J861
23
2
24
J321
NC
SQSS
MICE
8V
GND
GND
PWRK
PHE
PHE
NC
NC
14V
NC
NC
MSND
MICI
GND
GND
TMD
AFO
NC
NC
14V
14V
16
to MODE
board J1
15
2
1
J201
GND
5VF
KI2
CWK
FILK
SPEK
F2K
F4K
GND
KI1
SSBK
AMK
EXTK
F1K
F3K
F5K
4
1
to MAIN
DIAL
J101
GND MDN MUP
5VF
1
2
9
10
to RIT board J1
J120
RUP RDN GND GND GND
5VF GND GND GND GND
24
23
2
1
to TEN-KEY
board J2
J241
MUPK
MWK
TSK LOCK NOTK
5VF
LDV
TXD NOTD
GND GND GND
MDNK MCLK
XFCK PBTK
KI4 KI3
LOCD
RXD
PBTD
GND GND GND
16
15
2
1
to TEN-KEY
board J1
J221
SPLK
3K 10K 18K 24K 50K
FINK
MPRK
1K
7K 14K 21K 28K
GENK
MPWK
GND
1
2
to LCD
J801
NC
CFL+
1 2
to LCD
J802
NC
CFL
-
• DISPLAY BOARD (BOTTOM VIEW)
8 - 4
A
B
C
D
E
F
G
F-1 F-2
F-3
F-4 F-5
SSB
CW/RTTY
AM/FM FILTER EXIT SPEECH
8-3 MODE, PHONE, KEY AND TEN-KEY BOARDS
SPLIT
1.8 3.5 7 UP
DW
10 14 18 DOWN
CHANGE
21 24 28 MW
V/M
M/S
GENE
MP-W
50
MP-R TS
XFC
PBT-CL
RIT
LOCK
TX
CLEAR
NOTCH
F-INP M-CL
9
1
10
1
to DISPLAY
board J941
J1
PHO
PHNI
GND GND GND
PHE
PHE GND GND GND
PHONES
GND10
2
to DISPLAY
board J921
9
1
J1
GND GND GND DOT
GND GND GND GND
DASH
ELEC-KEY
• MODE BOARD (TOP VIEW)
• TEN-KEY BOARD (TOP VIEW)
• PHONE BOARD
• KEY BOARD
8 - 5
GND
2
1
16
to DISPLAY
board J201
15
J1
5VF
KI2
CWK
FILK
SPEK
F2K
F4K
GND
KI1
SSBK
AMK
EXTK
F1K
F3K
F5K
SPLK1
15
2
16
J1
to DISPLAY
board J221
3K 10K 18K 24K 50K
FINK
MPRK
1K
7K 14K 21K 28K
GENK
MPWK
GND
1
23
2
24
J2
to DISPLAY
board J241
MUPK
MWK
TSK LOCK NOTK
5VF LDV
TXD NOTD
GND GND GND
MDNK
MCLK
XFCK PBTK
KI4 KI3
LOCD
RXD
PBTD
GND GND GND
• MODE BOARD (BOTTOM VIEW)
• TEN-KEY BOARD (BOTTOM VIEW)
8 - 6
BPFI1
5
to BPF
board
J201
GND GND GND
BPFO
5
1
to BPF
board
J202
B3 B2
B1 GND GND
5
1
to BPF
board
J203
GND GND GND
B5
B4
XVRT RANT
1
21
22
2
to MAIN-A
unit J811
J951
14V
AGC
ALC
NC
R8V
NC TRVI SATV BLAV GND MCK
14V
8V
T8V
NC
-
5V 5V NC
BLBV SCPL MDAT BSTB
from PLL unit J801
S3LO
P801
to MAIN-A unit J101
P741
T/R2IF
from PLL unit J81
P81
2LO
from PLL unit J351
1LOA
P351
from PLL unit J651
1LOB
P651
from PLL unit J851
MKR
P851
from PA unit J1
PAI
P1
from CTRL unit J2
P2
RX
S2LO
P901
from PLL unit J901
1
8
16
9
5
8
4
1
1 3
6 4
1
9
18
10
14
85
18
169
8
9116
14
85
8-4 RF-A UNIT (TOP VIEW)
8 - 7
18
16 9
1
9
18
10
• RF-A UNIT (BOTTOM VIEW)
8 - 8
50
26
25 1
51 75
76
100
33 23
111
44
34
12
22
1
4
8
5
1
8
16
9
1
1
8
16
9
4
8
5
1
8
16
9
7551
1
26
50
100
76
25
1
12
24
13
33
44
12
23
22
34
1
11
GND1
15
2
16
to MAIN-A
unit J841
J1
NC
14V PSEL CON1 DRES
5V NC
GND
14V UNLC CON2 CON0 PSTB
5V 8V
to RF-A unit J901
P81
2LO
to RF-A unit J841
P801
S3LO
to MAIN-A unit J211
P701
3LO
to RF-A unit J561
P351
1LOA
to RF-A unit J661
P651
1LOB
to RF-A unit J481
P851
MKR
to RF-A unit J831
P901
S2LO
8-5 PLL UNIT (TOP VIEW)
8 - 9
1
4
8
5
Soldering point
• PLL UNIT (BOTTOM VIEW)
8 - 10
21
J352
SPE
SSP
to DISPLAY
board J451
4
1
to EXT
TUNER
J641
ETE
ET14
ETST
ETKY
GND30
2
to DSP-A
board J2001
29
1
J201
DTIF GND GND GND GND GND
AGC
GND
-
8V_
-
8V_
-
5V_
-
5V_ 8V_ 8V_
GND
DRIF D5VA D5VA D5VA
DMAF
GND DTAF
DRAF
GND
GND
GND
GND FMTL
GND
22
2
1
21
to CRTL
unit J7
J741
14V 14V T8V
5V GND GND
REFV DRES
ISTA
GND
CMDT
14V
NC NC 5V
-
8V
FORV
ANTS
GND IKEY
FSTB
CMCK
22
2
1
21
to RF-A unit J951
J811
14V
AGC
ALCNCR8V
NC
TRVI
SATV
BLAV
GND
MCK
14V
8V
T8V
NC
-
5V
5V
NC
BLBV
SCPL
MDAT
BSTB
1
29
to PA unit J3
2
30
J771
PAT8
ICL
H5V
8V
14VA
14V
14V
14V
5V
HV
GND
GND
GND
GND
GND
PWRS
ICH
8V
14VA
14V
14V
14V
14V
5V
NC
GND
GND
GND
GND
GND
1
29
30
2
to DSP-A
board J2002
J202
AGRS
GND
M5V_d
GND
DSDR
UNSB
NC
MCK
DSFW
MDAT DSFR
CTFL
RTDT
GND GND
3R3V_d 3R3V_d
GND
NSQO
DPGI
MODS
FMNS
CALS ACKS DSRS
AMS
TXS
MSL1 DSKY
GND
1
23
2
24
to DISPLAY
board J321
J861
14V 14V
NC
NC AFO TMD GND GND MICI
MSND
NC
NC
14V
NC
NC SPE SPE
PWRK
GND GND
8V
MICE
SQSS
NC
NC
2
24
to DISPLAY
board J301
23
1
J891
14V 14V
NC
-
8V
NC GND GND
HSYNC
G
YOBI
LMFD
NC
14V
NC NC
-
8V GND GND
VSYNC
B
R DRES LFMD
1
15
30
16
to MEMORY
board J2
J3504
DB7 DB6 DB5 DB4 DB3 DB2 DB1
DB0 GND GND
HWR
RD RD
CSa
CSf
DB8
DB9 DB10 DB11 DB12 DB13 DB14 DB15 GND GND GND GND GND GND GND
1
15
30
16
to MEMORY
board J1
J3503
A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
GND
RESET
BYTE BYTE BYTE
A18 A17 A16 A15 A14 A13 A12 A11 A10
A10 GND GND GND GND GND
15
16 2
1
to PLL unit J1
J841
GND
NC
14V
PSEL
CON1
DRES
5V
NC
GND
14V
UNLC
CON2
CON0
PSTB
5V
8V
SEND
ALC
EXSP
CI-V
KEY
ACC (2)
ACC (1)
GND
M5V
7
to optional unit UT-102
8
2
1
J3502
SBSY
MDAT
SPCH
GND
MCK
SSTB
from RF-A unit J741
P741
T/R2IF
from PLL unit J701
P701
3LO
14
85
17
14 8
1
4
58
1
4
5
8
15
1
4
5
8
1
1
1
1
8
16
9
8
16
9
8
16
9
1
1 4
8 5
4
8
5
8
16
1
9
18
169
485
1
14
58
10
20
11
1
122
4423
1
10
20
11
1
1
1
1 7
14 8
7
14 8
10
20
11
10
12
11
10
20
11
14
5
8
65
64
37 36
1
128
1
1
4
8
5
32
33
64
65
86
87
128
103
102
8-6 MAIN-A UNIT (TOP VIEW)
8 - 11
1
14
85
7
14 8
112
24 13
15
10 6
1
148
7
15
10 6
1
1
4
15 28
14 1
58
5
10 6
1
14
85
7
14 8
• MAIN-A UNIT (BOTTOM VIEW)
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