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Jul. 2008
67
DSP-TX BOARD
VOLTAGE LINE
Explanatory notes
TX LINE
R11 1.5k
C201
0.1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
EA13
EA11
EA10
EA15
EA16
EA19
/AWE
D3R3VL
D3R3VL
EA20
EA18
EA17
EA14
EA9
EA8
EA7
EA6
/ARE
EA12
/CE1
ED7
ED6
ED5
ED4
ED3
ED2
ED1
ED0
EA2
EA3
EA4
EA5
33
34
35
36
37
38
39
40
19
20
17
18
21
22
23
24
25
26
27
28
29
30
31
32
J201
IC1
TMS320C6713BFN
A2
A11
A14
A19
A20
B1
B4
B15
B20
C6
C8
C9
D4
D8
D13
D17
E2
E4
E17
F19
G4
G17
H4
H17
J4
J9
J10
J11
J12
K10
K11
K12
K20
L9
L10
L11
L12
M4
M9
M10
M11
M12
M17
N4
N17
P4
P17
P19
T4
T17
U4
U8
U9
U13
U17
U20
W1
W5
W11
W16
W20
Y1
Y2
Y13
Y19
Y20
K2
K9
A3
Y12
D10
C4
C5
B7
A8
A7
A6
B6
B12
C11
B10
D3
B9
D9
A13
C13
E3
D2
C1
C2
J20
G19
G18
H20
G20
B14
C14
A15
C15
A16
B16
C16
B17
A18
C17
B18
C19
C20
D18
D20
E20
E18
F20
E19
F18
H19
V6
W6
W18
V17
V5
Y4
U19
V20
J18
J17
J19
Y11
Y10
V11
W10
V12
Y5
U18
Y18
W17
Y16
V16
Y15
W15
Y14
W14
V14
W13
V10
Y9
V9
Y8
W8
V8
W7
V7
Y6
N3
P3
P2
P1
R2
R3
T2
T1
U3
U1
U2
V1
V2
Y3
W4
V4
T19
T20
T18
R20
R19
P20
P18
N20
N19
N18
M20
M19
L19
L18
K19
K18
L3
H3
F2
G3
K3
J3
H1
M3
M1
L2
F1
G2
G1
H2
J1
E1
M2
L1
N1
N2
A5
B5
C12
D7
D12
A12
B11
A17
B3
B8
B13
C10
D1
D16
D19
F3
H18
J2
M18
R1
R18
T3
U5
U7
U12
U16
V13
V15
V19
W3
W9
W12
Y7
Y17
A4
A9
A10
B2
B19
C3
C7
C18
D5
D6
D11
D14
D15
F4
F17
K1
K4
K17
L4
L17
L20
R4
R17
U6
U10
U11
U14
U15
V3
V18
W2
W19
A1
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
CLKIN
CLK
OUT2/GP2
CLK
OUT3
CLKMODE0
PLLHV
TMS
TDO
TDI
TCK
TRST
EMU5
EMU4
EMU3
EMU2
EMU1
EMU0
RESET
NMI
GP7
GP6
GP5
GP4
HINT/GP0
HCNTL1/AXR1
HCNTL0/AXR3
HHWIL/AFSR1
HR/W/AXR0
HD15/GP15
HD14/GP14
HD13/GP13
HD12/GP12
HD11/GP11
HD10/GP10
HD9/GP9
HD8/GP8
HD7/GP0
HD6/AHCLKR1
HD5/AHCLKX1
HD4/GP0
HD3/AMUTE1
HD2/AFSX1
HD1/AXR7
HD0/AXR4
HAS/A
C
LKX1
HCS/AXR2
HDS1/AXR6
HDS2/AXR5
HRD
Y/A
CLKR1
CE3
CE2
CE1
CE0
BE3
BE2
BE1
BE0
HOLD
A
HOLD
BU
S
R
E
Q
ECLKIN
ECLK
OUT
ARE/SDCAS/SSADS
A
O
E/SDRAS/SSOE
AEW/SD
WE/SSWE
ARD
Y
EA21
EA20
EA19
EA18
EA17
EA16
EA15
EA14
EA13
EA12
EA11
EA10
EA9
EA8
EA7
EA6
EA5
EA4
EA3
EA2
ED31
ED30
ED29
ED28
ED27
ED26
ED25
ED24
ED23
ED22
ED21
ED20
ED19
ED18
ED17
ED16
ED15
ED14
ED13
ED12
ED11
ED10
ED9
ED8
ED7
ED6
ED5
ED4
ED3
ED2
ED1
ED0
CLKX1/AMURE0
CLKR0/ACLKR0
TINP1/AHCLKX0
CLKS0/AHCLKR0
FSR0/AFSR0
FSX0/AFSX0
FSR1/AXR7
CLKR1/AXR6
DX1/AXR5
TOUT1/AXR4
TINP0/AXR3
TOUT0/AXR2
DX0/AXR1
DR0/AXR0
CLKS1/SCL1
DR1/SDA1
FSX1
SCL0
CLKX0/ACLKX0
SD
A0
RSV
RSV
RSV
RSV
RSV
RSV
RSV
DV
D
D
DV
D
D
DV
D
D
DV
D
D
DV
D
D
DV
D
D
DV
D
D
DV
D
D
DV
D
D
DV
D
D
DV
D
D
DV
D
D
DV
D
D
DV
D
D
DV
D
D
DV
D
D
DV
D
D
DV
D
D
DV
D
D
DV
D
D
DV
D
D
DV
D
D
DV
D
D
DV
D
D
DV
D
D
DV
D
D
DV
D
D
CVDD
VSS
C1 0.1
C2 0.1
C3 0.1
C4 0.1
C5 0.1
C6 0.1
C7 0.1
C8 0.1
C9 0.1
C10 0.1
C11 0.1
C12 0.1
C13 0.1
C14 0.1
C15 0.1
C16 0.1
C17 0.1
C18 0.1
C19 0.1
C20 0.1
C21 0.1
C22 0.1
C23 0.1
C24 0.1
C25 0.1
C26 0.1
C27 0.1
C28 0.1
C29 0.1
C30 0.1
C31 0.1
C32 0.1
C60
47
C62
47
C33 0.1
C34 0.1
C35 0.1
C36 0.1
C37 0.1
C38 0.1
C39 0.1
C40 0.1
C41 0.1
C42 0.1
C43 0.1
C44 0.1
C45 0.1
C46 0.1
C47 0.1
C48 0.1
C49 0.1
C50 0.1
C51 0.1
C52 0.1
C53 0.1
C54 0.1
C55 0.1
C56 0.1
C57 0.1
C58 0.1
C59 0.1
L3
10
μ
L2
SLF6028T
R1 10k
R2 10k
R3 10k
R4 10k
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
26
27
28
IC401
AK5394A
VREFL+
VREFL-
VCOML
AINL+
AINL-
ZCAL
VD
DGND
CAL
RSTN
SMODE2
SMODE1
LRCK
SCLK
SDATA
FSYNC
MCLK
DFS0
HPFE
DFS1
BGND
AGND
VA
AINR-
AINR+
VCOMR
VREFR-
VREFR+
C301
1
R302
4.7k
C306
22p
1
5
8
R303 4.7k
2
3
6
-
+
R305
1k
4
7
GND
V+
IC301
NJM5534MD
C304
10
C305
0.1
C302
10
C303
0.1
R301
1k
C345
1
4
7
GND
V+
IC371
NJM5534MD
C373
10
C374
0.1
C371
10
C372
0.1
R371
100
R372
100
4
7
GND
V+
IC341
NJM5534MD
C343
10
R342
100
C344
0.1
R341 100
C341
10
C342
0.1
C378 22p
1
2
5
8
R375
100
C376 120p
+
-
3
6
IC301
NJM5534MD
C377
0.1
R374 4.7k
IC371
NJM5534MD
C347
0.1
C348 22p
1
2
5
8
R345
100
C346 120p
+
-
3
6
R344 4.7k
IC341
NJM5534MD
C402
0.0022
C401
10
R402
4.7k
R452
1k
R401
4.7k
L1
HF50ACC322513
C404
0.22
C403
10
C405
10
C406 0.22
R403 47k
R405
100
C408
0.1
C407
10
R404
10
R406
47k
R407 1.5k
R414 220
C410
0.22
C412
10
C411 10
C413 0.22
C414
0.1
C415
10
R411 47k
R409
47k
R410 47k
R412
4.7k
R413
4.7k
C416
10
IC451
TC7S04FU
C451
0.1
5
4
3
2
1
C601
1
R601
560
R602
330
R551
220
R603
330
C602
0.0068
R605
330
C607
0.0068
R604
220
C608 22p
1
2
5
8
+
-
3
6
IC601
NJM5534MD
R651
560
C651
1
R652
330
R653
330
R655
330
C652
0.0068
C657
0.0068
R654
220
C658 22p
1
2
5
8
+
-
3
6
IC651
NJM5534MD
R701
680
R703
680
R704
470
C702
0.0022
C707 22p
1
2
5
8
+
-
3
6
IC701
NJM5534MD
C701
0.0022
R702
470
J921
AFIN
GND
TX36K
GND
+A5VT
GND
-12V
GND
+D5VT
GND
+15V
ANVOX
GND
GND
GND
+A5VT
GND
-12V
GND
+D5VT
GND
+15V
L924
HF50ACC322513
C926
0.1
C925
10
L922
HF50ACC322513
C923
6.8
C924
0.1
L921
HF50ACC322513
C921
10
C922
0.1
L961
HF50ACC322513
C962
10
C961
0.1
4
7
GND
V+
IC601
NJM5534MD
C603
10
C604
0.1
C606
10
C605
0.1
R606
100
R607
100
4
7
GND
V+
IC651
NJM5534MD
C653
10
C654
0.1
C656
10
C655
0.1
R656
100
R657
100
4
7
GND
V+
IC701
NJM5534MD
C703
10
C704
0.1
C706
10
C705
0.1
R706
100
R707
100
R10 47k
5
IC171
TC7SH04FU
4
3
2
1
C171
0.1
R171
100
5
IC151
TC7SHU04FU
4
3
2
1
X151
CR-754
R152
1M
C152
15p
C153
15p
R151
100
C151
0.1
IC181
SN74AHC2G08HDCT
1
2
3
4
5
6
7
8
C101
0.1
C102
10
FI101
EXCCET103U
V
O
XOUT_
CLKIN
_TMS
_TDO
_TDI
_TCK
R181 10k
R182 10k
/RESET_
ANTIV
O
XOUT_
FSR0_
/CAL
R5 1k
R6 1k
/CAL
FSR0_
FSR1_
CLKS0_
CLKS0_
DR1_
DR0_
FSX1_
DR0_
MCLK_
MCLK_
DX1_
CLKR1_
FSR0_
CLKX1_
ED0
ED1
ED2
ED3
ED4
ED5
ED6
ED7
CLKIN
C
LKIN
CLKIN
CLKIN
EA2
EA3
EA4
EA5
EA6
EA7
EA8
EA9
EA10
EA11
EA12
EA13
EA14
EA15
EA16
EA17
EA18
EA20
EA19
FR
WT_
R7 47k
R8 1k
R9 47k
/CE1
/ARE
/A
OE
/A
WE
R183
10k
_TDO
_TMS
C181
0.1
IC191
SN74AHC2G08HDCT
IC201
AT29LV040A-20TC
8
7
6
5
4
3
2
1
R184
10k
_TDI
C191
0.1
_TCK
J961
R705
100
GND1T
GND1T
DRES
DSKY
CTFL
CVOX
FRWT
GND1T
D3R3V
GND1T
D1R2V_T
DIRV_SENS_T
GND1T
GND1T
GND1T
MCLK
DSPCK
DSPR
DFRT
DSPCK
DX1T
DFXT
GND1T
D3R3V
GND1T
D1R2V_T
D1R2V_T
GND1T
GND1T
L962
HF50ACC322513
C964
10
C963
0.1
L925
HF50ACC322513
C927
6.8
C928
0.1
R969 100
R962 100
/RESET
R970 100
CLKR1_
KEYIN_
R963 100
R971 100
DR1_
R964 100
CWSTAT_
R972 100
FSR1_
R976 100
ANTIVOXOUT_
R973 100
CLKX1_
R974 100
DX1_
R968 100
FRWT_
R975 100
FSX1_
to MAIN
unit J380
to MAIN
unit J381
DSP-TX BOARD
R343
10k
C375
1
R373
10k
CP3
CP1
CP4
CP2
C61 10
A5V
A-12V
D5V
A15V
A5V
A5V
A5V
A5V
A5V
A5V
A5V
A5V
A
-
12V
A-12V
A-12V
A-12V
A-12V
A-12V
A-12V
A
-
12V
D5V
D5V
D5V
D5V
A15V
A5V
A15V
A15V
A15V
A15V
A15V
A15V
A15V
A15V
A-12V
A-12V
D3R3VL
D3R3VL
D1R2V_SENS
D1R2V
D3R3VL
D3R3VL
D3R3VL
D3R3VL
D3R3VL
D3R3VL
D3R3VL
D3R3VL
D3R3VL
D3R3VL
D3R3VL
D3R3VL
D3R3VL
D3R3VL
D3R3VL
D1R2V
D1R2V
D1R2V
D1R2V
D1R2V
D1R2V
D1R2V
D1R2V
AFIN
AFIN
AFIN
PD
PD
PD
PD
D3R3VL
AFIN
AFIN
R901
0
R903
0
R905
0
R904
0
PD
D1R2V_SENS
PD
D1R2V_SENS
PD
D1R2V_SENS
D1R2V_SENS
PD
PD
D1R2V_SENS
D1R2V_SENS
PD
FSX0_
DX0_
CVDD
CVDD
CVDD
CVDD
CVDD
CVDD
CVDD
CVDD
CVDD
CVDD
CVDD
CVDD
CVDD
CVDD
CVDD
CVDD
CVDD
CVDD
CVDD
CVDD
CVDD
CVDD
CVDD
CVDD
CVDD
CVDD
CVDD
CVDD
CVDD
CVDD
CVDD
TX36K
TX36K
A15V
PD
PD
PD
PD
D1R2V_SENS
PD
D1R2V_SENS
DAVOX
A
-
12V
A
-
12V
A15V
AFIN
R304 100
R306
100
A-12V
A
-
12V
MCLK_
L401
A5V
A5V
A5V
HF50A
CC322513
C417
0.0022
R802
100
C802
0.1
C808 22p
1
2
5
8
C801 0.001
+
-
3
6
R801 4.7k
IC801
NJM5534MD
IC831
NJM5534MD
R832
100
C832
0.1
C838 22p
1
2
5
8
C831 0.001
+
-
3
6
R831 4.7k
4
7
GND
V+
IC801
NJM5534MD
C807
10
R805
100
C806
0.1
R804 100
C805
10
C804
0.1
A
-
12V
4
7
GND
V+
IC831
NJM5534MD
C837
10
R835
100
C836
0.1
C453
22p
C835
10
C834
0.1
R834
100
R803
10k
C803
10
R833
10k
C833
10
C875
22p
1
2
5
8
R871 4.7k
+
-
3
6
IC871
NJM5534MD
4
7
GND
V+
IC871
NJM5534MD
C873
10
R875
100
C874
0.1
R874 100
C871
10
C872
0.1
R872
4.7k
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
26
27
28
DGND
MCLK
CLATCH
CCLK
CDATA
384/256
X2MCLK
ZEROR
DEEMP
96/48
AGND
OUTR+
OUTR-
FILTR
DVDD
SDATA
BCLK
L/RCLK
PD/RST
MUTE
ZEROL
IDPMO
IDPMI
FILTB
AVDD
OUTL+
OUTL-
AGND
IC551
AD1854JRSZRL
C551
0.1
C552
10
D5V
D5V
D5V
DX0_
CLKS0_
FSX0_
/CAL
C557 0.1
C553 10
C554 10
C555 0.1
C556 0.1
CWSTAT_
KEYIN_
VOXOUT_
R967 100
A5V
ANVOX
C452
0.001
C450
0.1
R451 1M
1
2
3
5
4
NC
A
GND
VCC
Y
IC452
SN74LVC1GU04DCKR
1
2
3
5
4
OUT
VDD
VSS
NC
NC
IC203
R3111N111A
R201
0
R12
10k
4.57V
2.17V
2.27V
2.27V
2.22V
2.27V
2.27V
3.15V
3.15V
2.27V
1.2mV
4.56V
0.44V
1.43V
0.3V
1.6V
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
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 ...
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Page 555: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14015HZ C1 2 C 2004 2006 Icom Inc ...