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11 - 1
SECTION 11
VOLTAGE DIAGRAMS
11-1 DISPLAY BOARD
VOLTAGE LINE
Explanatory notes
VOLTAGE LINE
Explanatory notes
to LOGIC
unit J806
to VR-A
board J1
to SW-A
board J3
to LOGIC
unit J805
to CF
board J3
to TENKEY
board J2
to TENKEY
board J1
GND
NC
LDPS
STBD
PWRD
VOXD
TN1D
TN2D
TMD
MAGD
MNRD
MNBD
SAGD
SNRD
SNBD
TRAK
PWRK
MOND
NC
Q505
DTC114EU
R351
1k
R366
1k
R504
1k
R352
1k
R353
1k
R354
1k
R355
1k
R356
1k
R357
1k
R358
1k
R359
1k
R360
1k
R361
1k
R362
1k
R363
1k
C8
0.1
C222
0.1
R312
1k
R313
1k
R314
1k
R315
1k
R316
1k
R317
1k
R318
1k
R319
1k
R320
1k
R321
1k
R322
1k
D11 RB706F
NC
NC
NC
NC
KI7
KI8
KI9
KI10
KI11
KI7
KI8
KI9
KI10
KI11
KYSL
DELL
SAGL
SSQL
MIGL
PWRL
MAGL
MSQL
KYSL
DELL
SAGL
SSQL
MIGL
PWRL
MAGL
MSQL
3R3V
3R3V
3R3V
3R3V
3R3V
3R3V
3R3V
3R3V
3R3V
3R3V
3R3V
3R3V
3R3V
3R3V
3R3V
3R3V
3R3V
3R3V
3R3V
3R3V
3R3V
3R3V
3R3V
3R3V
3R3V
GND
GND
GND
R323
10k
C223
0.1
L207
HF50ACC322513
Q206
DTC114EU
D8
DAP222
D7
DAN222
NC
NC
GND
NC
3R3V
MNBL
MNRL
SNBL
SNRL
MRFL
MAFL
SRFL
SAFL
MNBL
MNRL
SNBL
SNRL
MRFL
MAFL
SRFL
SAFL
NC
NC
MUDL
NC
DOTK
DSHK
NC
PHNI
SQLS
NC
NC
NC
NC
NC
NC
MSND
MSND
M8V
GND
LCLK
GND
R0
R1
R2
GND
R3
R4
R5
GND
G0
G1
G2
GND
G3
G4
G5
GND
B0
B1
B2
GND
B3
B4
B5
GND
HS
VS
DE
UD/RL
GND
NC
NC
GND
GND
LVDD4
LVDD3
LVDD2
LVDD1
GND
J201
CN1
SQSS
DOTK
DSHK
PHNI
LCLK
GND
R0
R1
R2
GND
R3
R4
R5
GND
G0
G1
G2
GND
G3
G4
G5
GND
B0
B1
B2
GND
B3
B4
B5
GND
HS
VS
DE
UD/RL
GND
CNTV
BRIV
GND
GND
LVDD4
LVDD3
LVDD2
LVDD1
PWRK
MOND
PWRK
PWRK
PWRK
PWRK
PWRK
TRAK
CFBD_
R505
220
Q501
DTC114EU
Q504
DTA114EU
3R3V
IC7
BU2099FV
C225
0.1
VSS
NC
DATA
CLOCK
LCK
Q0
Q1
Q2
Q3
Q4
VDD
OE
SO
Q11
Q10
Q9
Q8
Q7
Q6
Q5
1
2
3
4
5
6
7
8
9
10
20
19
TDTS
SO
C15V
STBD
SNBD
CFBD
SNRD
SAGD
MNBD
MNRD
R330
2.2k
Q211
DTA114EU
18
17
16
15
14
13
12
11
LDAT
RTCCK
LST
PWRD
TN1D
TN2D
VOXD
MAGD
SAGL
SSQL
MSQL
C241 0.1
AS0
AS0
C242 0.1
C243 0.1
C244 0.1
C245 0.1
C246 0.1
C247 0.1
C248 0.1
MAGL
1
2
3
4
5
6
7
8
X4
X6
X
X7
X5
INH
VEE
VSS
VDD
KYSL
PWRL
MIGL
DELL
ASL0
ASL1
ASL2
X2
X1
X0
X3
A
B
C
16
C209 0.1
IC1
BU4051BCFV
15
14
13
12
11
10
9
SAFL
SRFL
AS1
MRFL
C249 0.1
C252 0.1
C251 0.1
C250 0.1
C253 0.1
C254 0.1
C255 0.1
C256 0.1
MAFL
1
2
3
4
5
6
7
8
X4
X6
X
X7
X5
INH
VEE
VSS
VDD
SNRL
MNBL
MNRL
SNBL
ASL0
ASL1
ASL2
X2
X1
X0
X3
A
B
C
16
C208 0.1
IC2
BU4051BCFV
15
14
13
12
11
10
9
BRIT_
AS2
CNTL_
C258 0.1
C257 0.1
C260 0.1
C259 0.1
C261 0.1
C262 0.1
C263 0.1
C264 0.1
AVXL_
1
2
3
4
5
6
7
8
X4
X6
X
X7
X5
INH
VEE
VSS
VDD
DRVL_
CMPL_
MONL_
VOXL_
ASL0
ASL1
ASL2
X2
X1
X0
X3
A
B
C
16
C207 0.1
IC3
BU4051BCFV
15
14
13
12
11
10
9
KI2
AS3
AS4
KI3
KI1
C265 0.1
C266 0.1
C267 0.1
C268 0.1
KI0
1
2
3
4
5
6
7
8
X4
X6
X
X7
X5
INH
VEE
VSS
VDD
SNCL
MAPL
MAPL
SAPL
MNCL
PITL
ASL0
ASL1
ASL2
X2
X1
X0
X3
A
B
C
16
C205 0.1
IC4
BU4051BCFV
15
14
13
12
11
10
9
KI10
AS4
KI11
KI9
KI8
KI7
KI7
1
2
3
4
5
6
7
8
X4
X6
X
X7
X5
INH
VEE
VSS
VDD
KI6
KI5
KI4
ASL0
ASL1
ASL2
X2
X1
X0
X3
A
B
C
16
C206 0.1
IC5
BU4051BCFV
15
14
13
12
11
10
9
3R3V
RESET
RESET
RESET
RESET
RESET
RESET
RESET
RESET
L601
10
µ
R601
0
R602
4.7k
R325
330
Q601
2SA1162
D601 MA2S111
D603 MA2S111
D602
MA2S111
Q200
DTC144EU
Q208
DTA114EU
J601
BH-800.8
C601
10
C602
0.1
R603
47k
R604
10k
RTCCE
IC601
RX-4581
1
2
3
4
5
6
7
8
9
10
11
GND
CE1
CE0
DI
DO
CLK
/TIRQ
/AIRQ
FOE
FOUT
VDD
NC
NC
NC
NC
NC
NC
NC
NC
NC
22
D10
MA8033
R326
220
C221
0.1
C211
0.1
IC202
TC7SET08FU
R327
15k
R343
47k
R328
68k
Q209
2SB1201
Q204
2SB1201
Q203
2SC4081
Q205
DTC114EU
Q212
DTC114EU
Q202
2SC3647
C201
0.12
R200
1k
BKLS
C212
10
D9
MA8047
Q201
2SC3647
C214
10
R208
220
C213
47
R201 1.8k
R202 1.8k
R339 22
L210
D10F-A814AY
L211
D10F-A814AY
T201
3319-T088
C202
15p
R340 22
Q210
2SC4081
21
20
19
18
17
16
15
14
RTCDT
RTCCK
RTCIRQ
R365 2.2k
L205
HF50ACC322513
3R3V
3R3V
3R3V
3R3V
3R3V
LDPS
LDPS
LDPS
LDPS
LDPS
LDPS
DISPLAY BOARD
LDPS
BKLS
C15V
R364 47k
R369 0
C230
0.0047
C232
0.1
D12
RB706F
CNTV_
CNTV
BRIV
LDAT
LST
RTCCK
CNVSS
RTCCE
MOND
RESET
C204
12p
C203
12p
C224
0.1
R203 1M
X1
CR-567
9.8304MHz
RSB
RSA
SSB
SSA
MSB
MSA
TMD_
TMD_
TMD_
TMD_
TMD_
TMD_
LEDV
BKLS
LEDV
BKLS
CFLV
CFL
V
CFLV
RESET
RESET
RESET
R232
1k
3R3V
BRIL
CNTL
A
VXL
VO
X
L
DR
VL
CMPL
MONL
GND
GND
R233
1k
R234
1k
R235
1k
R236
1k
R237
1k
R238
1k
R214
1k
R215
1k
R216
1k
R217
1k
R218
1k
R219
1k
R221
1k
R220
1k
R222
1k
R223
1k
R225
1k
R224
1k
R226
1k
R227
1k
R228
1k
R230
1k
R229
1k
R254 100k
F1K
F2K
F3K
F4K
F5K
F6K
F7K
SSBK
CWK
R
TYK
AMK
DA
T
K
MSCK
EXTK
RECK
MA
TK
GND
PL
YK
DTXD
CP1
CNVSS
RESET
DTXD
CNVSS
RESET
GND
P2ST
TDTS
DRXD
DBP1 3R3V
SLOS
P2ST
TDTS
DRXD
DBP1
SLOS
R250
1k
R249
1k
R248
1k
R253
1k
R252
1k
R251
100
R246
1k
R247
1k
F1K
F2K
F3K
F4K
F5K
F6K
F7K
SSBK
CWK
R
TYK
AMK
DA
T
K
MSCK
EXTK
RECK
MA
TK
PL
YK
BRIT_
CNTL_
A
VXL_
VO
X
L_
DR
VL_
CMPL_
MONL_
J5
R501
47k
R502
47k
R329
10k
R503
47k
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
P94/DA1
P93/DA0
P92/TB2IN
P91/TB1IN
P90/TB0IN
BYTE
CNVSS
P87/XCIN
P86/XCOUT
RESET
XOUT
VSS
XIN
VCC
P85/NMI
P84/INT2
P83/INT1
P82/INT0
P81/TA4IN
P80/TA4OUT
P77/TA3IN
P76/TA3OUT
P75/TA2IN
P74/TAOUT
P73/TA1IN
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
DTXD
PHNI
TDTS
CFBD_
DRXD
SLOS
DBP1
DO
TK
DSHK
SQSS
R
TCDT
P2ST
TRAK
F1K
F2K
F3K
TDTS
F4K
F5K
F6K
F7K
SSBK
CWK
P72/T
A1OUT
P71/T
A0IN
P70/T
A0OUT
P67/TXD1
P66/RXD1
P65/CLK1
P64/CTS1/R
TS1
P63/TXD0
P62/RXD0
P61/CLK0
P60/CTS0/R
TS0
P57/RD
Y/CLK
OUT
P56/ALE
P55/HOLD
P54/HLD
A
P53/BCLK
P52/RD
P51/WRH/BHE
P50/WRL/WR
P47/CS3
P46/CS2
P45/CS1
P44/CS0
P43/A19
P42/A18
100
99
98
ASL0
ASL1
ASL2
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
AS0
LED
V
CFL
V
AS1
AS2
AS3
AS4
MP1A
MUDL
MP1B
MP2A
MP2B
SP1A
SP1B
SP2A
SP2B
SLCK
SSPK
STSK
P95/ANEX0
P96/ANEXI
P97/ADTRG
A
VCC
VREF
PI00/AN0
A
VSS
PI01/AN1
PI02/AN2
PI03/AN3
PI04/AN4/KI0
PI05/AN5/KI1
PI06/AN6/KI2
PI07/AN7/KI3
P00/D0
P01/D1
P02/D2
P03/D3
P04/D4
P05/D5
P06/D6
P07/7D
P10/D8
P11/D9
P12/D10
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
C231
0.1
Q502
DTC114EU
Q503
DTC114EU
IC6
M30620FCMGP
SATK
MP2B
MP2A
MP1B
MP1A
SP1A
SP1B
SP2A
SP2B
R298
1k
R290
1k
R301
1k
R300
1k
R289
1k
R299
1k
R288
1k
R287
1k
R286
1k
R285
1k
R284
4.7k
R283
1k
R282
1k
R281
1k
R280
1k
R279
1k
R278
1k
R255
47k
R256
47k
R258 82k
CFBD_
R257 82k
R297
1k
R296
1k
R295
1k
R294
1k
R293
1k
R292
1k
R291
1k
MLCK
MTSK
MATK
VMK
MPWK
DWK
UPK
MWK
MPRK
SUBK
CHGK
MINK
P2ST
MA
TK
EQRK
XFCK
RECK
PLYK
EXTK
MSCK
DATK
AMK
RTYK
P13/D11-
P14/D12-
P15/D13-
P16/D14-
P17/D15-
P20/A0(/D0/D-)
P21/A1(/D1/D0)
P22/A2(/D2/D1)
P23/A3(/D3/D2)
P24/A4(/D4/D3)
P25/A5(/D5/D4)
P26/A6(/D6/D5)
P27/A7(/D7/D6)
VSS
P30/A8(/-/D7)
VCC
P31/A9
P32/A10
P33/A11
P34/A12
P35/A13
P36/A14
P37/A15
P40/A16
P41/A17
P2ST
P2ST
RESET
RESET
RESET
1
5
C15V
+15V
4
2
3
IC201
TC7SET08FU
R213
15k
R342
47k
R212
68k
5V
5V
C210 0.1
1
5
4
2
3
1
12
11
8
7
2
3
4
5
6
3R3V
R259
1k
R260
1k
R261
1k
R262
1k
R263
1k
R264
1k
R265
1k
R266
1k
R267
1k
R268
1k
R269
1k
R270
1k
R271
1k
R272
1k
R273
1k
R274
1k
R275
1k
R276
1k
R331
47k
R332
47k
R333
47k
R334
47k
R335
82k
R336
82k
R337
82k
R338
82k
KI6
KI5
KI4
KI6
CFLH
CFLH
C226
0.1
KI5
KI4
GND
GND
SSA
SSB
RSA
RSB
SSA
5V
5V
5V
5V
5V
5V
SSB
RSA
RSB
NC
UPK
DWK
VMK
MPWK
MWK
MPRK
XFCK
MINK
EQRK
SUBK
CHGK
UPK
DWK
VMK
MPWK
MWK
MPRK
XFCK
MINK
EQRK
SUBK
CHGK
NC
LDAT
LCK
LOE
LST1
SO
RTCCK
TDTS
LST
NC
NC
LDPS
LDPS
LDPS
L209
HF50ACC322513
5V
J2
J1
C229
0.1
NC
MAPL
MNCL
MAPL
R309
R308
R307
R306
R305
R304
R303
R302
R302-R309 10k
MNCL
NC
NC
MP2B
MP2A
MP1B
MP1A
NC
SP1A
SP1B
SP2A
SP2B
SNCL
SAPL
PITL
SNCL
SAPL
PITL
SATK
SLCK
MLCK
SSPK
MSPK
STSK
MTSK
SATK
SLCK
MLKC
SSPK
P2ST
STSK
MTSK
KI0
KI1
KI2
KI3
KI0
KI1
KI2
KI3
NC
GND
MSA
MSB
5V
5V
J302
LDPS
LDPS
LDPS
CFBD_
CFBD_
GND
MSA
MSB
J205
J4
J7
to FLASH writer
to SW-B board J1
to VR-D board J1
C216
0.1
R652
33k
R651
56k
R653 4.7k
IC651
R3112N281A
C652
0.1
1
2
3
OUT
VDD
VSS
CD
NC
C651
0.027
5
C15V
C15V
C15V
C15V
C15V
C15V
C15V
C15V
MOND
MOND
C15V
C15V
MOND
C15V
C15V
C15V
C15V
C15V
4
VDD5VF
J203
L204
10
µ
L201 10
µ
C220
0.1
C228
10
C227
0.1
C215
0.1
R242 100k
R241 100k
L208
HF50ACC322513
L203
HF50ACC322513
NC
GND
MSND
MSND
MSND
MSND
MSND
MSND
MSND
MSND
MSND
8V
8V
8V
8V
8V
8V
MSND
8V
8V
8V
8V
8V
8V
NC
C15V
C15V
C15V
GND
GND
+3R3V
LG_RES
LG_RES
LG_RES
NC
LG_PWR
LG_PWR
LG_PWR
NC
LTXD
LRXD
GND
GND
C219
0.001
C217
0.1
R239
1k
R240
1k
C218
47
J3
J6
J202
R209 0
R210 0
R310 1k
R311 1k
BRIV CNTV_
LCD
J301
CN2
CFLH
CFLH
CFLH
GND
MAIN
SENSOR
RTCIRQ
range: input impedance
200mV: 100M
Ω
2V: 11M
Ω
20V,200V,1000V: 10M
Ω
MESUREMENT CONDITIONS
voltage at RX
Digital tester
4.89V
3.23V
5.50V
3.29V
14.91V
7.94V
3.26V
2.70V
2.40V
3.20V
7.26V
3.28V
3.28V
3.22V
3.28V
4.5mV
1.0mV
4.5mV
0.13V
7.94V
1.97V
1.43V
3.26V
3.98V
3.52V
14.88V
9.11V
10.55V
4.81V
0.28V
2.7V
0.28V
11-2 CF BOARD
J1
CF BOARD
J2
DS1
SML-512UW
J3
CFBD_
GND
1.8k
R1
CD1#
CFD3
CFD4
CFD5
CFD6
CFD7
CE1#
CFA10
OE#
CFA9
CFA8
CFA7
CF_VCC
CFA6
CFA5
CFA4
CFA3
CFA2
CFA1
CFA0
CFD0
CFD1
CFD2
WP
CD2#
CFD11
CFD12
CFD13
CFD14
CFD15
CE2#
VS1#
IORD#
IOWR#
WE#
RDY/BSY#
CF_VCC
CSEL#
VS2#
RESET
WAIT#
INPACK#
REG#
BVD2
BVD1
CFD8
CFD9
CFD10
ACCESS LED(RED)
GND
CFD11
CFD3
CD1#
CFD4
DFD12
DFD5
CFD13
CFD6
CFD14
CFD7
CFD15
CE1#
CE2#
CFA10
VS1#
OE#
IORD#
to LOGIC unit J807
to CF card
CFA9
IOWR#
CFA8
WE#
CFA7
RDY/BSY#
CF_VCC
CF_VCC
CFA6
CSEL#
CFA5
VS2#
CFA4
RESET
CFA3
WAIT#
CFA2
INPACK#
CFA1
REG#
CFA0
BVD2
CFD0
BVD1
CFD1
CFD8
CFD2
CFD9
WP
CFD10
CD2#
GND
GND
GND
to DISPLAY board J302
range : input impedance
200mV : 100M
Ω
2V : 11M
Ω
20V,200V,1000V : 10M
Ω
MESUREMENT CONDITIONS
voltage at RX
frequency : 14.1 MHz
mode : J3E(USB)
Digital tester
ANT(RX) : no input
3.30V
Summary of Contents for IC-7800
Page 1: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 65 VOLTAGE DIAGRAM 67 Dec 2009 ...
Page 79: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 60 VOLTAGE DIAGRAM 64 Feb 2009 ...
Page 157: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 57 VOLTAGE DIAGRAM 59 Aug 2008 ...
Page 245: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 57 VOLTAGE DIAGRAM 59 Jul 2008 ...
Page 333: ...THE TRANSCEIVER i7800 SERVICE MANUAL S 14015HZ C1 2 Mar 2006 ...
Page 555: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14015HZ C1 2 C 2004 2006 Icom Inc ...