Icom Ic-2820H Service Manual page 50

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