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SECTION 10
VOLTAGE DIAGRAMS
VOLTAGE LINE
Explanatory notes
44
45
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
82
81
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
15
13
12
11
10
9
8
7
6
5
4
3
2
1
P81/SEG26
P82/SEG27
P83/SEG28
P84/SEG29
P85/SEG30
P86/SEG31
P87/SEG32
P90/SEG33
P91/SEG34
P92/SEG35
P93/SEG36
P94/SEG37/M
P95/SEG38/D0
P96/SEG39/CL2
P97/SEG40/CL1
P15/IRQ1/TMIB
P14/PWM
P16/TRQ2/TMIC
P17/IRQ3/TMIF
P40/SCK3
P41/RXD
P42/TXD
P43/IRQ0
AV
C
C
PB0/AN0
PB1/AN1
PB2/AN2
PB3/AN3
PB4/AN4
PB5/AN5
PB6/AN6
PB7/AN7
PC0/AN8
PC1/AN9
PC2/AN10
P37/CS
PC3/AN11
AVSS
TEST
X2
X1
VSS
OSC1
OSC2
RES
MDO
P20/IRQ4/ADTRG
P21/UD
P22
P23
P24
VSS
V3
V2
V1
VCC
P
A3/COM4
P
A2/COM3
P
A1/COM2
P
A0/COM1
P50/WKP0/SEG1
P51/WKP1/SEG2
P52/WKP2/SEG3
P53/WKP3/SEG4
P54/WKP4/SEG5
P55/WKP5/SEG6
P56/WKP6/SEG7
P57/WKP7/SEG8
P60/SEG9
P61/SEG10
46
80
P13/TMIG
P62/SEG11
P63/SEG12
P12/TMOFH
79
47
48
78
P11/TMOFL
P64/SEG13
P65/SEG14
P10/TMO
W
77
49
60
16
P80/SEG25
P25
P66/SEG15
VCC
76
50
59
17
P77/SEG24
P26
58
18
P76/SEG23
P27
57
19
P75/SEG22
P30/SCK1
56
20
P74/SEG21
P31/SI1
55
21
P73/SEG20
P32/SO1
54
22
P72/SEG19
P33/SCK2
53
23
P71/SEG18
P34/SI2
52
24
P70/SEG17
P35/SO2
51
25
P67/SEG16
P36/STRB
14
IC401
HD6433832SD66H
5VF
C401
12p
C402
12p
R401
1M
X401
CR-567
11
10
9
12
13
14
15
16
7
6
8
5
4
3
2
1
IC411
BU4051BCFV
X4
VDD
X6
X
X7
X5
INH
VEE
VSS
X2
X1
X0
X3
A
B
C
C411
0.1
SPLK
5VF
R404 47k
R405 47k
R406 47k
R407 47k
MIGL
PWRL
CMPL
KYSL
DELL
5VF
RFL
AFL
NRL
BALL
UP
E
DN
RDN
5VF
RUP
5VF
RDN
RUP
J120
J1
RIT BOARD
S1
EVQ-VCJF0324B
5VF
J101
F4K
F3K
F5K
J201
J1
R201 1k
R202 1k
R203 1k
R204 1k
R205 1k
R206 1k
R207 1k
R208 1k
R209 1k
R210 1k
R211 1k
F5K
F4K
F3K
F2K
F1K
SPEK
EXTK
FILK
AMK
CWK
SSBK
KI2
KI1
5VF
R215
47k
R214 47k
R213 47k
R212 47k
F2K
F1K
SPEK
EXTK
FILK
AMK
CWK
SSBK
KI2
KI1
5VF
R224 1k
R227 1k
R226 1k
R225 1k
R230 1k
R229 1k
R228 1k
R223 1k
J221
R222 1k
R221 1k
R231 1k
14K
10K
7K
3K
SPLK
1K
18K
21K
24K
28K
50K
R232 1k
GENK
R233 1k
FINK
R234 1k
MPWK
R235 1k
MPRK
R244 1k
R247 1k
R246 1k
R245 1k
R251 1k
R250 1k
R249 1k
R248 1k
R243 1k
J241
R242 1k
R241 1k
XFCK
TSK
MCLK
MWK
MUPK
MDNK
LOCK
PBTK
NOTK
KI4
5VF
KI3
LDV
R252 1k
LOCD
R253 1k
TXD
R254 1k
RXD
R255 1k
NOTD
PBTD
S5
(F-5)
S4
(F-4)
S3
(F-3)
S2
(F-2)
S1
(F-1)
S10
(EXIT)
S9
(FILTER)
S8
(AM/FM)
S7
(CW/RTTY)
S6
(SSB)
S11
(SPEECH)
S17
(F)
S15
(D)
S14
(C)
S13
(B)
S12
(A)
S18
(G)
S16
(E)
R1
6.8k
R5
6.8k
R2
2.2k
R3
4.7k
R4
15k
R6
2.2k
R7
4.7k
C2 0.1
C1
0.1
MODE BOARD
DISPLAY BOARD
J1
J2
S24
(PBT-CL)
PBTK
S25
(NOTCH)
NOTK
S26
(RIT)
S27
( TX)
S28
(CLEAR)
KI4
C2
0.1
R5
6.8k
R6
2.2k
R7
4.7k
S18
(UP)
MUPK
S19
(DOWN)
MDNK
S20
(MW)
MWK
S21
(M-CL)
MCLK
S22
(TS)
TSK
S23
(XFC)
XFCK
S14
(7)
7K
S15
(18)
18K
S16
(28)
28K
S17
(F-INP)
FINK
S30
(MP-R)
MPRK
S31
(LOCK)
LOCK
S10
(3.5)
3K
S11
(14)
14K
S12
(24)
24K
S13
(50)
50K
S6
(1.8)
1K
S7
(10)
10K
S8
(21)
21K
S9
(GENE)
GENK
S29
(MP-W)
MPWK
S1
(SPLIT)
SPLK
S2
(DW)
S3
(CHANGE)
S4
(V/M)
S5
(M/S)
C1
0.1
R2
2.2k
R3
4.7k
R4
15k
R1
6.8k
TEN-KEY BOARD
Q1
DTC114EE
R8
5.6k
DS1
CL-200HR
(LOCK) LED
Q2
DTC114EE
R9
5.6k
DS2
CL-200HR
(TX) LED
Q3
DTC114EE
R10
680
DS3
CL-220YG
(RX) LED
Q4
DTC114EE
R11
1k
DS4
CL-220YG
(NOTCH) LED
Q5
DTC114EE
R12
1k
DS5
CL-220YG
(TWIN PEAK FILTER) LED
J801
1
14
7
3
2
10
9
8
R102
15k
C102
0.001
5
C104
0.001
R104
47k
6
4
C103
0.001
R103
15k
11
13
12
4
6
5
3
14
7
2
1
IC101c
BU4030BF
IC101b
BU4030BF
IC101d
BU4030BF
IC102b
MC14071BFEL
IC102a
MC14071BFEL
IC101a
BU4030BF
IC102d
MC14071BFEL
12
11
13
R126
220k
R127
100k
R128 1M
C122
0.001
R125
100k
C121
0.001
R121
100k
R124 1M
5VF
R123
100k
R122
220k
9
10
8
IC102c
MC14071BFEL
RSB
RSA
8
7
6
5
4
3
2
1
CD
CS
ES
CT
GND
SI
V+
INVIN
C848
0.1
C847
220
L843
D10F-A814AY-101K
D841
RB050L-40
C843
330p
L842
SLF12565T-680M2R0
C844
220
C845
0.1
R845
1.2k
R847
27k
R846 27k
C842
0.1
C841 220
IC841
NJM2360AM
C805
15p
C804
0.047
R805
3.3k
R804
3.3k
L802
D10F-A814AY-101K
D801
RD3.0M
R801
33k
C801
10
C803
47
R803
220
R806
47k
L803
D818HN-1107
C802
10
L801
100µH
R802
33k
Q802
2SB1201
Q801
2SC4081
5VF
Q804
2SC3647
Q803
2SC3647
C101
0.1
14K
10K
7K
3K
SPLK
1K
18K
21K
24K
28K
50K
GENK
FINK
MPWK
MPRK
XFCK
TSK
MCLK
MWK
MUPK
MDNK
LOCK
PBTK
NOTK
KI4
5VF
KI3
LDV
LOCD
TXD
RXD
NOTD
PBTD
FRONT
W4
FRONT
W6
FRONT
W7
FRONT
W8
to
LCD
MUP
MDN
GND
J802
to
LCD
Q805
DTC114EE
W801
R256 1k
C242
0.1
C241
0.1
R101
100
R105
100
C105
0.1
KI4
KI3
R447
100
KI0
D421
DAN222
D423
DAN222
D422
DAN222
R431
2.2k
R421
1k
R424
1k
D425
DAN222
D424
DAN222
D431
DAN222
D432
DAN222
R432 47k
C431 0.1
R403
100k
R402
1k
SRES
DASH
DOT
DOTK
DSHK
MUD
+14V
BKL
V
C846 220
L841
D10F-A814AY-101K
R841
0.33
R842
0.33
-15V
+18V
+14V
5VF
C823
0.0047
C828
10
C826
4.7
C830
10
D822
RD20M
C829
4.7
C825
0.0047
C827
4.7
C824
0.0047
C822
47
C821
0.1
Q821
2SC4081
R824
10k
L823
1000µH
R821
1.2k
IC821
BA6161F
D821 1SS322
L822
NLFC565050T-472K
L821
HF50ACC322413-B
8
7
6
5
1
2
3
4
F1K
ASL1
MSB
ASL0
F2K
F3K
F4K
F5K
SSBK
CWK
AMK
FILK
EXTK
SPEK
ASL2
PITL
NO
TL
DELL
KYSL
CMPL
PWRL
MIGL
NRL
BALL
RFL
AFL
PB2B
LFMD
LMFD
PB2A
RSB
MSA
RSA
PB1B
BKL
V
CNTV
PB1A
METV
MSA
R446 10k
R445 10k
R444 10k
R443 47k
R442 47k
R441 10k
L401
HF50ACC322513-B
C404
0.1
C405
0.1
C406
10
1K
3K
7K
10K
14K
18K
21K
24K
28K
50K
GENK
FINK
MPWK
MPRK
MUPK
MDNK
MWK
MCLK
TSK
NOTD
PBTD
RXD
TXD
LOCD
NRD
NBD
MOND
TNRD
MDM2
MDM1
MDN0
BKLS
HDD2
HDD1
HDD0
MAT1
PHNI
DSHK
DOTK
TRAK
NOTK
PBTK
LOCK
XFCK
R416 47k
R415 47k
R414 47k
R413 47k
R412 47k
R411 47k
R410 47k
R409 47k
R408 47k
C403
0.1
R861
12
R862
12
R863
12
C861 10
C862 0.1
C863 0.1
C864 22
I
O
G
IC861
TA7805F
CP400
O
I
R882
56
R881
56
C881 10
C882 0.1
C883 0.1
-8V
C884 22
G
IC881
TA79LO8F
O
I
C501 10
C502 0.1
C503 0.1
C504 22
G
IC501
TA79LO8F
D501
1SS322
COGC
(COMMON GAIN)
(CLAMP CONTROL)
CPCN
D509 1SS322
+4R5V
-7R5V
R1101
47k
KIO
+14V
GND
GND
GND
GND
GND
GND
GND
R107
220k
R106
220k
GND
GND
GND
GND
GND
GND
GND
GND
GND
CP101
CP102
CP103
CP104
MUDK
(INPUT SELECT)
R1112
33k
R1113
27k
R1121
27k
R1122
4.7k
CNTV
CFL+
CFL-
R807
27
R808
27
C849 220
C850 220
R850 330
Q841
2SB1124S
R848 470
R849 470
AS0
–8V
+14V
CNTV
5VF
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
AA
AB
AC
AD
AE
AF
AG
AH
AI
-18V
+14V
-15V
4.8V
4.8V
RSB
RSA
RIT DIAL UP
RIT DIAL DOWN
4.6V
MAIN DIAL DOWN
MAIN DIAL UP
4.6V
M UP
M DN
OFF 4.8V
A 0V
B 1.2V
C 2.4V
D 3.7V
OFF 4.8V
E 0V
F 1.2V
G 2.4V
OFF 4.8V
RIT 0V
∆
TX 1.2V
CLEAR 2.4V
OFF 4.8V
DUAL WATCH 0V
CHANGE 1.2V
VFO/MEMO 2.4V
MAIN/SUB 3.7V
ON 4.5V
OFF 0V
ON 4.5V
OFF 0V
LCD BACKLIGHT
MAX 4.8V
MIN 0V
-15.4V
18.6V
1.5V
0.1µS
4.8V
1.3V
1.6V
10-1 FRONT UNIT
10 - 1