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R 401 Modification RX-S-Meter

VR
VRa

R9 R15 R23 2SC2787
C172 100 R12 220 R21 1K5 Q9 R203 C202




1
103 R5 220 220
1K5 103 2SK192ABL Q6 FT2 2SC2787 L7
2 L6
2SC2787




1
C8 D4 455KC Q8 15K
Q4 FT1 2SC2787 R20 L5 103M




1
C7 L3 2
L4




3
1




1
L1 L2 C170 10.7MC 2 Q7 VR1
102 L8 R201 U1
1SV121 2 2 1K 47K 10KAP
1N4148 R16 TA7130P




3




5

6
D1 D99 2K2 R22 C23
R202 VOL




3
1PN 2SK192ABL D5 1
R2 R17




3




3
Q5 C15 + 7
50KBP 33K 2K2




1
VR2 1N4148 15K C21 47K 2
C6 R138 102




1
2 C16 -
Q1 102 1N4148 68




1
2 R26 C28
C18




3

4
2SC536 R11 R13 473 C20 D7 1K 103M
R3 VT 2 473 473




3
R6 10K
A SQ 5.6K
D3 Q3 R401 2K2 C10 R14 473
473 R24 1N60 A




3
100K 1N4148 3.3k C17 330
104 3K3 C26 L25 J1




3
C13 473
R8 R10 C9 R19 R226 D6 22UE
C4 R7 100K R143 2K2 C11 R18 1K C19 56 1N60
104 103 103 C25 10UH
103 47 10K 104 C24
473 473
C197 C220
1K
102 0.22UE C22 C307
S METER
C5 102 1N4148 102
VB
103 2SK192ABL D43
R1 R280 VR11
30K R30 10UH
X1
47K L29 J3
C32 1K 50KB
22K R31
103
D17 22K
VR5 100KB R174 1N4148
VB VT EXT.SP
C177 C503
FB2 C306 C305
1000UE D19
FB1 1UE 473 L31 VT VR 102 102
C2 D2 C56
4U7E 1N4148 VP VB VR6 R263
C502 10UH C45 R46 LEVEL
C311 33PN C38 R48 1N4002
1P5 C64 473 D18 22K 10K CON1
15PN L14 10K 50KB SP1
473 1N60 U2
J101 0.4UH L33 C53 100UE C196
C63 1N4148 TDA2003 1
L9 L10 L11 L12 L13 0.4UH R42 R44 R49 4U7E
ANT 2SC2078
1M 27K 27K
2




5
0.4UH 0.4UH 0.3UH 0.4UH 2SC2655




1
C301 Q10 L15 C68 L21 Q16 2
R32 220PN R492 D201 C55 220UE




1
33PN 2 2SC536 C50 + 4
2K2 Q13




1
C37 C70 2 1 223M
C33 C501