Kenwood VR 3080 Service Manual - Page 14

PC BOARD Component side view

Page 14 highlights

A B C D E PC BOARD (Component side view) 1 TUNER UNIT X05-5030-10 (J70-1284-01) R69 BE Q11 Q10 EB BE Q12 B E R75 R48 R47 R77 W84 D9 W1 R66 C81 R67 C58 C62 R78 R29 1 R45 C57 EB Q8 L7 2 R76 R73 Q9 C61 R46 W3 W61 C60 W4 R74 C59 CN1 C93 W25 W5 W83 R62 R68 C69 X2 C68 16 MPX.FIL. L6 W2 C83 W6 IC3 C92 W7 W82 C91 R79 W62 R63 R70 C63 1 AM STEREO C71 R72 C70 C90 R84 9 8 C65 C55 R30 EB Q7 E B 15 R31 R64 C15 C54 C67 W81 W8 FM DET MPX C89 C38 B E C34 R34 3 R36 R37 Q3 Q4 R65 D8 R18 W9 R20 C53 W56 C16 C17 C56 D16 C66 D6 C33 C45 W55 R19 R80 C37 C80 C14 15 R17 W10 W54 C32 R33 W80 C64 R71 W59 D5 E B R38 D7 Q6 R61 Q15 W86 EB W15 R81 R40 R39 R82 IC1 (W) CF3 R15 L4 (G) C12 R16 16 C28 C29 C30 C31 PLL 11 R58 L5 R27 R28 R60 W11 R32/W60 C79 C82 C7 C85 CN2 W51 BE L3 C6 C11 R87 R11 FM IF 1 C84 C35 C23 C41 C20 C40/R90 R35 L9 W52 C26 C27 4 C8 R14 W14 D13 R25 C25 C24 D3 R59 C22 C10 C86 2 CF2 R23 R12 30 1 R44 R83 Q14 W13 C19 W16 R9 C18 C3 R86 R2 C76 5 C21 C36 R41 OFF ON VR1 FM TUNED W19 W85 R6 R8 BE EB Q2 C5 R10 W17 R7 R42 R5 R52 R50 D4 C51 12 R57 C52 R56 VT C74 Q1 R4 C1 W20 R55 C39 L1 R85 C2 D11 R43 C46 R49 IC2 W24 CF1 AM RF C75 L2 W22 R89 C50 C73 C72 R54 C47 R53 C49 C44 C78 W21 C43 C42 22 J1 R51 A1 8 C88 1 E1 R88 R1 6 W23 C48 X1 C87 D1 C77 1 S1 ANTENNA 7 14 Refer to the schematic diagram for the value of resistors and capacitors.

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Q2
Q1
D1
Q11
Q10
IC3
D7
D16
D13
D11
Q9
Q8
Q12
Q6
Q3
Q4
D8
Q14
Q15
Q7
R75
C84
C92
C93
C88
R89
C91
C89
C90
C35
C83
C87
R32/W60
R29
C8
C58
C56
C57
C61
C60
C36
R43
R48
R66
R63
R62
R69
R67
R68
R18
R19
R34
R33
R20
C69
C63
W85
W59
W81
W86
C81
C5
R84
C6
C1
C2
C3
C82
C78
C75
C11
C12
C39
C25
C26
C24
C42
C41
C30
C22
C52
C45
C47
C50
C51
C18
C20
C43
C44
R55
R79
R56
R53
R54
R57
R51
R52
R49
R42
R80
R82
R11
R14
W56
R12
R15
R16
R17
R10
R4
R1
R5
R8
R9
R6
R7
R35
R39
R38
R23
R28
R25
R76
W83
R74
R78
R47
W84
R45
R46
W61
R27
C31
C76
C79
W51
R31
R36
W55
R83
C77
W62
R64
R65
R60
R59
R58
W52
R30
C80
R72
C71
R73
C70
C34
C33
W82
C64
R37
W80
W54
R88
R85
C86
C85
R86
R87
C74
C40/R90
EB
E
B
EB
EB
EB
E
B
E
B
E
B
EB
EB
EB
E
B
E
B
1
8
16
9
E1
ANTENNA
CN1
D6
A1
IC1
D4
D3
D9
D5
IC2
CN2
J1
X05-5030-10
(J70-1284-01)
S1
ON
OFF
W5
W6
W7
W4
W19
W22
W21
W20
W14
W17
W10
W1
W3
AM RF
(G)
(W)
MPX.FIL.
FM
TUNED
FM DET MPX
AM STEREO
FM IF
PLL
VT
C17
W24
C28
C38
C29
C37
W9
W16
VR1
CF1
CF2
C10
W13
W23
CF3
L9
L2
R50
R44
R71
C49
C46
C72
C32
C14
C15
C67
C68
C55
W25
L3
C62
C66
C65
W2
W8
W11
W15
L1
C73
C7
R81
C27
C16
C19
C21
C23
L6
L7
L5
C48
R41
L4
R70
R40
R77
R61
C54
C59
C53
R2
X2
X1
15
1
1
15
16
30
1
2
1
11
12
22
8
1
14
A
B
D
C
E
2
1
3
5
7
4
6
Refer to the schematic diagram for the value of resistors and capacitors.
PC BOARD (Component side view)
TUNER UNIT