Icom ID-RP2 Service Manual page 140

MAIN-R UNIT(2)
W1022
W1025
W1026
MAIN-R UNIT(1)
UNP2
UNP2
UNP1
W1029
UNP1
P2ST
P2ST
P2RS
P2RS
P1ST
P1ST
PDAT
PDAT
SCK
SCK
+5_1
+5_1
R+5_1
R+5_1
W/NS
W/NS
SCAN
SCAN
MIN
MIN
+5A
+5A
+9
+9
NOIS
NOIS
CENV
CENV
RSSI
RSSI
1FCN
1FCN
NGND
NGND
R+5_1
MRE
MRE
THE
THE
T+5
T+5
R+5L
R+5L
R775
R+5A 39
R+5A
L634
+5_
+5_ 56 nH
+5_1
5+_
5+_
+9_1
+9_1
+
R+3
R+3
R+5
R+5
D+5
D+5
L630
28 nH
P2ST
SCK
PDAT
UNP2
P2RS
R+5A
W896
W1030
W1032
W1033
5+_
+5_
7.4V
R780 R+5L
100
R772 R773
1 k 4.7 k
D771
1SV307
Q771
2SC5107 O
+9
L770 C777
22 nH
0.001
C778
C775 47 p
3 p
7.6V
Q634
2SD2216J-S
R639
+
100
7.2V
C645
10 p
C638
0.001 Q631
6.2V
2SC5107 O
2.1V
C641
1 p
C639
22 p C648
47 p
R635
R646
47 k Q632
27 k
C651
2SC5107 O
22 p
C650
47 p Q633
2SC5107 O
2nd-VCO
R550
C550 C555 L550 R558
56 1 µH 100
0.001 0.1
4.8V
C558
C552 C551
47 p
0.001
15 p 4.8V
LOOP FIL
C554
47 p 1 GND1 20
VCC1
2 IN2 19
IN1
R551 1 k 3 VCC2 18
ENB
R552 1 k 4 XB 17 R555 R557
CLK
R553 1 k 5 XI 16 1 k 100
DATA
6 XO 15
T1
R554 1 k
7 GND2 14
LOK
8 CP2 13
CP1
9 FI2 12
FI1
10 FO2 11
FO1
+
IC550 µPD3140GS
R561 R559
1 k 1.2 k
EP550
+
C428
470 p
+
L391 L390 R394
56 nH 220
56 nH
2N+5
L554
56 nH
C576
10 p
C581 C579
10 p 2 p
Q550
2SC4081 S
Explanatory notes
VOLTAGE LINE
RX LINE
L721
56 nH
L712
56 nH
R711
8.3V D711
270 1SV308
L481
56 nH
Q470
7.6V
2SD2216J-S
EP470
8.8V +
+9_1
L632
EP551
56 nH 7.6V
R486
100
+
R471
3.9 k
D470
MA8082 M
+ C479
R487 1 k 5 p
L472
8 nH
C481 2.5 p
C504
R648 L635 0.75 p
100 56 nH
C659
1st-VCO
3 p
CP400
1LV
L631
22 nH
1S+5
4.8V
CP550
2LV EP402
FLAC N PLL
24
OUT1
23
VCCIF
IC551
22
VPIF
21
TC4W53FU
CPOIF
20
GND
8 1
19
FINIF
7 2
18
6 3
FINRF
5 4 17
GND
+ P1ST R400 1 k 16
LE
PDAT R401 1 k 15
DATA
SCK R402 1 k 14
CLOCK
13
IF_EN
UNP1 R403 1 k
IC400 LMX2352TM
+5_1
L553
56 nH
W550 EP552
R715
100
L713
4.7 nH
C714 C716
3.9V
1 p 6 p
Q710 C720
0.001
2SC5107 O
7.1V
L470 R478
56 nH 100
C484 R475
1 p 47
Q473
2SC5107 O
4.8V L474 L475 C493 C495 C497
Q471
4.7 nH 6.8 nH 5 p 2 p 3 p
2SC5195
R485
C489
39
1 p
C491
Q472
0.3 p
2SC5195
2.3V
3.8V
C500
4 p
LOOP FIL
EP401
R484
EP403
100
3.9V
C436 47 p
CUTO 1 R481
Q474
82
VCCRF 2
R407
2SC5107 O
VPRF 3
1 k
CPORF 4
GND 5
FINRF 6
FINRF 7
GND 8
OSCX 9
OSCIN 10
FO/LD 11 +
RF_EN 12
R404
1 k
E - 11 - 2
MAIN-R
UNIT
(3)
c
f
g
h
BUS LINE1
i
j
k
l
m
BUS LINE2
n
BUS LINE3