Icom IC-2820H Service Manual page 50

MAIN UNIT (5)
8V
R_UVCO_SEL
R_VVCO_SEL
R_MOD 10K C457
0. 1
R360
Q64
R354
UMMUTE
47K
UNR9213J
C395
R_REFMOD
1
C;4.86V
R312
C392
1 22
X1
R292
R287
RREFCON
1 4
VCON VCC
270K 0
C411
2 3
GND OUT
0.001
CR-783
5VS
C387 C396 4P
R_2ndLo
3P
8
Q52
2SC473
R_R5
R_UNLOCK
PLLCK
PLLDATA
R_PLLSTB
R_PLLSW
R_LV
2820̲A3format.indd 24-25
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C;7.88V
C434
L113
47P
22N
100P R356
C446 330
Q60
2SC5108
8.2K R364
R363 1.5K
Q68
6 1
R373
5 2
8.2K
4 3
XP4601
R386
6 1
3.3K
5 2
4 3
R849
10K
R343
4.7K
D86
Q61
2SA1586 R362 100
2SC4116
Q62
DA221
R320
0
IC14
1 16
OSCI N B
2 15
OSCOUT P R365 R378
3 14
VP FOUT
4 13
VCC NC 1.2K 0
5 12
DO FC
6 11
GND LE
7 10
LD DATA
8 9
FIN CLOCK
C414
MB15A02PFV1
47P
D81
MA2S111
R844
1k
Q120
R847
2SK1069
33K
MP 4 MP 9
2969
2969
MP 5
2601
MP 6
2775
T;6.98V
R;7.01V
10K
R405
C481
39P
Q72
2SC5231 C498
1P Q74
2SC5231
D97
MA2S111
T;6.60V
R;6.65V
UNR9213J
Q122
C945 0.3P C484
0.3P C479 3.5P
Q73
2SC5231
Q76
C509
0.5P 2SC5231
L116
0.18U
R457
10
IC62
3 4
GND OU T
2 5
C536 R441 C544 GND GND
1 6
IN VCC
47P 0 2P
UPC2709TB
M A2S077 R428 R436
C582 C526
8P 0
0.001
D159 0
C512 D160
22P
MA2S077
MA2S077
R455 R460 L131
0 0 22N
D104
L161
1U
IC45
1SV308
0.001
3 4
GND OUT
D102 2 5
4P GND GND C835 D103
C833
1 6
IN VCC
0.001
C524
MA2S077 UPC2709TB
10 - 6
C554 C558 C560 L135
2P 1P 2P 8.2N
R140_R5
R140_R5
R800_R5
L123 L125 C538 D107
39N 39N
0.001 M A2S077 D109
MA2S111
R400_R5 R400_R5
L134 D108 0.001
R_Lo
22N C573
M A2S077
Q79
UNR9213J
5VS
5VS
UT8 UT8
T;7.74V
R;0V
R446 R445
C527 7P C533 C535
UHFYGR
7P C532 0 0 7P 7P
2007/04/02 9:09:08