Rx3 If/Demod - Samyung SI-30 Service Manual

8-8 RX3 IF / DEMOD
1
D
F19/A
C25
FILTER-55.0MHz
5p6
NF
1
IF_RX3
L56
470nH
C
+5V_RX3B
C74
1u
R108 R207 C232
3K9 1K8 10n
B
TP164
TP163
TR14
BC846B
1
TP165
R206 R17 R259
1K8 0R
680R
F5 TP166
KBF-455RL-15A
25KHZ C73
1u
A
1
2
F19/B
FILTER-55.0MHz
3 4 6
C155 L52
C31
2p2 470nH
6p8
L7
C2
220nH
2-6pF
+5V_RX3B
R210 C80
1K8 1u
R110
3K9
TP169
C78
1u
TP28
TR19
BC846B
1
TP167
FILTER 25KHz
KBF-455RL-15A
R209 R19 R265
1K8 680R 0R
F6
TP168
C79
1u
2
3
+5V_RX3B
IF AMP 3
R328 TP184
TP33
10K
C233
R123
10n
47R
C445
10/16
R113
C231
39K
10n
L10
390nH
R309
1K
C127
C348
22p
1n
TR4
C123 R403
BF998
10n 4K7
R391 R353
NF
L11
3 G2
1K 47R
560nH
EEPROM_S1
4 G1
EEPROM_nCS
TP276
R392
EEPROM_SCK
C122
47R
10p
R21
680R R274
100R
C334
10n
TP179
C177
C22
33p
22p
R388
TP258
47R
C463
C305 2p2
XL5
15p
54.545MHZ
1 LD(BASE) 16
MIXER I/P
1 2 2 LD(EMITTER) 14
NOISE DET O/P
3 MIXER O/P 13
NOISE COMP I/P
5 IF AMP I/P 12
RSSI O/P
6 IF AMP BYPASS 11
C235
IF AMP O/P
TP173
7 FILT AMP 0/P 10
10n DISRIMINATOR
TP171
8 FILT AMP I/P 9
DEMOD O/P
TP172
C306 C230 IC4
15p 10n BA4116FV
RX3
C262 XTAL 54.545MHz
C228
100n
10n
TP170
+5V
C264
100n
TP29 TP174 TP175
R240 R241
27K 27K
12 +
14
R84
13 -
C207 TP177
C225 C340
330R
1n
10n 2n2
IC14/D
LMV324
3
4
+5V +5V_RX3B
TP31
L83
BLM41P800S +3V3
C223 C94
10n 10/16
R356
10R
R355
1K
TP191
TP185 TP186 TP187 TP188 TP189
C454
R358 TP190
10/16
R296
100R
100R
5 2
1
6
7
R357
R369 R371 TP194
3
100R
100K 100K
C458
33p
IC17
25LC320
C459 C456
33p 33p
+5V_RX3B
R77
0R
+5V_RX3B C224 C89
10n 10/16(T)
R163 TP182
100K
TP181
TP180
RX3_RSSI
C226
10n
C37
C227
82p
10n
TP183 DISC3
455KHZ
1 2
R182
820R
TP176
IC14/C TP178
LMV324
10 +
8
RX3_AF_OUT
9 -
R97
R196
3K3
1K8
4
D
TP192
C455
10n
TP193
EEPROM_S0
R354
C457
100R
33p
C
UNUSED OPAMPS
IC14/A
LMV324
3 +
1 B
2 -
IC14/B
5 + LMV324
7
6 -
A