Rxpll-A/Rxpll-B Units - Icom IC-7800 Service Manual Addendum

11-21 RXPLL-A/RXPLL-B UNITS

RXPLL-A/B UNIT (1)
R154
100
PLL+8V
R155
180
Q150
C155 C152
2SK210
150p 33p
L151
D153
HSM88AS LB-343
D154
HSM88AS
C162
R159
5p 100
R161
47k
C164 R163 R206
0.0047 15
15
0V
0.48V
Q151
2SC4081
PLL+5V PLL+5V
PLL+5V PLL+5V
C165
R166
100
C130 0.001
C139 0.0047
C138 0.0047
C137 0.0047
C136 0.0047
C135 0.0047
C134 0.0047
C133 0.0047
C114
0.1
76
VSS
77
VSS
78
VDD
79
BUM2I
80
BUN2I
81
BUN4I
82
VDD
C115
83
BUM2O
0.1
84
BUN2O
85
BUN4O
86
VSS
87
VDD
88
IC101
SYS-CLK
C116
89
VSS SC-1246A
0.1
90
VSS
91
STRB
92
CON2
93
CON1
94
CON0
95
VSS
96
BUSY
97
VSS
98
CONTCLK
99
DATA
100
VDD
C117
0.1
STB1
CN21
CK
DATA
R123 R124 R125 R126 R127 R128 R129
1k 1k 1k
1k 1k 1k 1k
2.38V
IC103
TC7S08F C120
0.0047
1 5
2
3 4
R140
1k
RXPLL-A unit only
PLL+8V
L220
3.9µ
R210 R219
1.8k 100
5.63V
IC201
LMX2306TM
1 16
FLO VP
2 15
CPO VCC2
3 14
GND PO/LD
C203 4 13
0.01 GND LE C205
5 12 0.0047
FIN DATA
6 11
FIN CLOCK
7 10 L230
VCC1 CE
8 9 3.3µ
OSCIN GND
C206
0.0047
C208 C207
15p 15p
PLL+5V
D201
L211
DAN222
0.68µ
PLL+5V
Q201
DTA114EU
R167
22
L240
0.0047 3.3µ
R169
47k
Q152
2SC4081
R109
1k
D101
DAN222
1mV [A]
0.4mV [B]
2.42V 2.0V
L250
2.7µ
PLL+5V
C110
0.1
50
VDD
49
DIVOUT
48
VSS
47
REFIN
46
PDIN
45 L260
VSS
44 2.7µ
OSCO
43
VSS
42
VDD
41 C109
OSCF 0.1
40
VSS
39
OSCI
38
VDD
37
VSS
36
SYSRESET
35
VDD
34
VDD
33
TEOUTH4
32
TEOUTH3
31
TEOUTH2 C108
30 0.1
TEOUTH1
29
TEOUTH0
28
VDD
27
VSS
26
VSS
C107
0.1
L270
2.2µ
R134
470
R130 R131 R132 R133
1k 1k 1k 1k
PLL+8V
R101
1M
PLL+5V
IC104
TC7S04F
1 5
2
3 4
M100K
11 - 18
L280
10µ
R224
100
C220
4.97V
100p
Q220
C229
C223 2SK210 3p
39p
D222
MA77
4.32V
C227
5p
R301
10
Q280
DTC114EU
VA1S
R234
100
C230
56p
Q230
C239
C233 2SK210
4p
33p
D232
MA77
C237
4p
Q281
DTC114EU
VA2S
R244
C297
100
5p
C240
39p
Q240
2SK210
C243
27p
C247 D242
3p MA77
Q282
DTC114EU
VA3S
R254
100
C250
56p
Q250
C253 2SK210
39p
C257
D252
10p MA77
Q283
DTC114EU
VA4S
R264
C299 100
22p
C260
68p
Q260
2SK210
C263
39p
C267 D262
10p MA77
Q284
DTC114EU
VA5S
R274
100
D271
MA357
Q270
C273 2SK210
22p
C277 D272
10p MA77
Q285
DTC114EU
VA6S
PLL+8V
PLL+5V
M100K
MMUT MMUT
PLL+8V PLL+8V
L302
10µ
Q301
2SC5226
C303 R318
C301 33
0.0047
0.0047
C333
R307 C331 L332
68p 68p
33 56n
Q302
2SC5226
C335
7p C306
0.0047
C336 R309
D341
6.8k
MA77 15p
C312
0.0047
PLL+5V
R342 10k
Q303
D342 2SC5226
DAN202K
Q341
VA1S DTC114EU
VA2S
PLL+5V
PLL+8V
7.83V
PLL+8V
C449
0.0047 L441
L442 C447 C452 L451
Q422
47n 68n 68p 180p 0.15µ
DTC114EU
C442
18p
C445
Q441
Q421
6p
DTC114EU R365 DTC114EU
C443 8.2
D441
MA77 12p
R443
1k
RXPLL-A unit only
R441 C448
0.0047
1k
L452
C453
100µ
0.1
PLL+5V PLL+5V
R8
1.8k
PLL+5V
DRES
UNLK
DATA
CK
CN21
R52
82 [A] only
IC51
TA7808F
R51
27
PLL+8V
O I
G
CN22
IC61 PLL+5V
TA78L05F T8VL
R61 R8VL
27
O I
G
IC1
CD74HC4094M
14.94V
1 16
STROBE VCC
2 15
DATA OE
3 14
CP Q4
STB2 4 13
Q0 Q5
STB1 5 12
Q1 Q6
STB3 6 11
Q2 Q7
STB4 7 10
Q3 QS2
8 9
GND QS1
L1 100µ
C1 0.1
PLL+8V PLL+8V
UNLK
PLL+5V PLL+5V
PLL+8V EP20
Q41
DTC114EU
L20 3.3µ
UNLK
T8VL EP21
R8VL
DRES
CK
DATA
STB3
STB4
CN22
MKRS
M100K
MMUT
L351
10µ
Q364 Q363
DTC114EU
DTA114EU
R353
4.7k
Q351
C358 Q352
3SK294 2SC5226
R351 0.0047
R369
10
0
C360
0.0047
MESUREMENT CONDITIONS
voltage at RX(no instruction)
Explanatory notes
frequency: 14.1 MHz
mode: J3E(USB)
ANT(RX): no input
VOLTAGE LINE
(TX): no modulation
Digital tester
[A]: RXPLL-A unit
range: input impedance
200mV: 100MΩ
[B]: RXPLL-B unit
2V: 11MΩ
20V,200V,1000V: 10MΩ
0.6dBm
high frequency voltage tester
50Ω terminal
MA77
C421 C423 [A]/[B]
R427 100 D421 0.0047 J351
0.0047
R1LO/S1LO to RXPLL-A/B
unit J1101
C424 J421
0.0047
T1LO to MAIN
unit J503
D422 C422
0.0047
MA77
TX: 0.7dBm
high frequency voltage tester
50Ω terminal
RXPLL-A unit only
R9
100k
Q1
R1
DTC114TU
100k
[A]/[B]
L11
HF50ACC322513
UNLK
L12
J2
HF50ACC322513
GND
UNLKA/UNLKB
R10 220
DRES
GND
R11 220
GND
PDATA/PDATB
R12 220
PCKA/PCKB
GND
to LOGIC
R13 220
GND
unit J816
C2A1/C2B1 C2A1/C2B1
[A]
R14 220
C2A2/C2B2 C2A2/C2B2
PSTA/PSTB PSTA/PSTB
R15 220 to LOGIC
PSLA/PSLB PSLA/PSLB
unit J815
L13 GND
[B]
HF50ACC322513
GND
P+5V
R16 220
P+5V P+5V
T8V T8V
R17 220
PLL+5V R8V R8V
P+15V
P+15V P+15V
GND
L10
HF50ACC322513
4.77V
from OSC
J10
unit J72
M10M/S10M[A]/[B]
[A]
from OSC
unit J73
[B]
R30
22
UNLK C30
0.1
PLL+5V
RXPLL-A/B
PLL+8V Q30
R32
2SC4081
100 UNIT (2)
10M
C32
UNLK 0.1
UNLK
PLL+5V
PLL+5V
PLL+8V
PLL+8V
T8V
EP22
R8V
DRES
CK
DATA
STB3
STB4
CN22
MKRS
40M
M100K