Kenwood KRF-V5010 Service Manual page 16

A B
TUNER UNIT
(X05-482X-XX)
Q Q
3 7 6 3 1 5 1 5 0
1
D1
2
1uH
(K,P1,K1,P2,Y1,M1,X1,K2,P3) TYPE
A1 (W02-2622-05)
WH2
1 ANT1
ANT2
2
GND
3
3
E1 GND
4
FET
TR1
TR2,3
D1-3
T E
L 1 3 9 4 2 2 9 6 5 1 3
(T1,E1,Q1,K1,P2,E2) TYPE
4
A1 (W02-2584-05): (E1,T1) TYPE / A1 (W02-2586-05): (K1,Q1,P2,E2) TYPE
J1
C1 C2 C4
1 1 ANT1 27P 15P 0-5P
Ω
FM 75
L2
2 2 GND
3
GND
D1
AM
4 3 GND
4 GND
FET1
TR1
5
TR2,3
D1-4
KRF-V5010/V7010 (X05-482X-XX)
DESTINATION R15, R27, R33,
UNIT No. E1 CF1,2 CF3 R8 R11 R14 R23 R25
82 28 34
COUNTRY ABB.
PX Y1
0-21
GENERAL MARKET M1 F10-1108-04 L72-0531 YES 33 33 270 NO 3.3K 18K 8.2K
AUSTRALIA X1 0-71 1K
U.K. T1
2-71 F10-1109-04 L72-0536 NO 10 22 100 YES 15K 27K 4.3K
EUROPE E1
KRF-V6010 (X05-482X-XX)
DESTINATION R15, R27, R33,
UNIT No. E1 CF1,2 CF3 R8 R11 R14 R23 R25
82 28 34
COUNTRY ABB.
6 GENERAL MARKET M1 0-21
F10-1108-04 L72-0531 YES 33 33 270 NO 3.3K 18K 8.2K
AUSTRALIA X1 0-71 1K
EUROPE E1 2-71 F10-1109-04 L72-0536 NO 10 22 100 YES 15K 27K 4.3K
VR-205/206/207/255 (X05-4820-10)
DESTINATION R8, R15,36, R27, R33,
UNIT No. E1 CF1,2 CF3 R14 R23 R25
11 82 28 34
COUNTRY ABB.
w w w
U.S.A. K
CANADA P1
U.S.A. K1
0-10 F10-1108-04 L72-0596 YES 33 270 NO 3.3K 18K 8.2K 1K
CANADA P2
U.S.A. K2
CANADA P3
VR-257 (X05-4820-11)
DESTINATION
R8, R15, R27, R33,34,
UNIT No. E1 CF1,2 CF3 R14 R23 R25
COUNTRY ABB. 11 82 28 36
U.S.A. K1
0-11 F10-1108-04 L72-0531 YES 33 270 NO 3.3K 18K 8.2K 100
CANADA P2
KRF-V5010W/V6010W/V7010W (X05-4823-81)
DESTINATION
R15, R27, R33,34,
UNIT No. E1 CF1,2 CF3 R8 R11 R14 R23 R25
COUNTRY ABB. 82 28 36
7
RUSSIA Q1 3-81 F10-1109-04 L72-0536 NO 10 22 100 YES 15K 27K 4.3K 1K
KRF-V5010E/V6010E/V7010E (X05-4823-81)
DESTINATION
R15, R27, R33,34,
UNIT No. E1 CF1,2 CF3 R8 R11 R14 R23 R25
COUNTRY ABB. 82 28 36
EUROPE E2 3-81 F10-1109-04 L72-0536 NO 10 22 100 YES 15K 27K 4.3K 1K
C D
C40 2P
L9
10uH
R42
R41 10K
100K
L1
L2
FM FRONT-END
MIX DISTORTION(ST)
VT
IFT
TR1
RF AMP R2 C4 IF-OUT
0-100 3P
C2
FET
10P
R14
68 +B
VCC
OSC
R11 C17 OUT 8
100K- 100P
OSC TR2
: 2SK302 680K
C13
: 2SC2714
TR3
8P
C14
: 2SC2413
OSC
27P
: HVU202 or
BUFFER
1T362
FM FRONT-END
DISTORTION(ST)
MIX
IFT
RF AMP R4 C9 TR1
0-100 5P
C6
FET1
10P
R5
100
: 2SK302
TR2
: 2SC2714
C19
: 2SC2413
OSC TR3
8P
: SVC220 or
KV1440
R72, C30, C70,71,
R36 C8 C25 C26 L4-7 CN1 CN2 IC1 A1 A , C , F B G WH1,2
73 31 79,80,82
YES NO YES
NO 8.2K YES 390P 0.022 NO NO NO LA1838 W02-2622
0.022 NO YES NO
NO
1K 3.9K NO 180P 0.018 YES YES YES YES LA1837 W02-2584 YES
R72, C30, C70,71,
R36 C8 C25 C26 L4-7 CN1 CN2 IC1 A1 A , C , F B G WH1,2
73 31 79,80,82
YES YES
NO 8.2K YES 390P 0.022 NO NO NO LA1838 W02-2622 NO
0.022 NO YES NO
NO
1K 3.9K NO 180P 0.018 YES YES YES YES LA1837 W02-2584 YES
R72, C30, C70,71, W53,56,
C8 C25 C26 L4-7 CN1 CN2 IC1 A1 A , B , C , F G WH1,2
73 31 79,80,82 58,86
15K YES 390P 0.022 0.033 NO NO YES NO LA1838 W02-2622 NO YES NO NO
x a o
. i
R72, C30, C70,71, W53,58,82,
C8 C25 C26 L4-7 CN1 CN2 IC1 A1 A , B , F , G C WH1,2
73 31 79,80,82 83,86
15K YES 390P 0.022 0.033 NO NO YES NO LA1838 W02-2586 NO YES YES YES
R72, C30, C70,71, W53,56,
C8 C25 C26 L4-7 CN1,2 IC1 A1 A , C , F , G B WH1,2
73 31 79,80,82 82,83
3.9K NO 180P 0.018 0.022 YES YES YES LA1837 W02-2586 YES NO NO NO
R72, C30, C70,71, W53,56,
C8 C25 C26 L4-7 CN1,2 IC1 A1 B WH1,2
A , C , F , G
73 31 79,80,82 82,83
3.9K NO 180P 0.018 0.022 YES YES YES LA1837 W02-2586 YES NO NO NO
E F
CN2
1 2
FM
+
TUNED
R23
REG
AM AM AM
ALC
OSC MIX RF.AMP
BUFF
AM IF
SD
COMP
FM AM/FM
S-CURVE
S-METER IF-BUFF
5
FM
7 FM IF
DET
6
+B
L3
+
+9V
Q Q
3 7
R43
220
IF AMP
+B
A
6.6V C5
0.01 R11
VT 5
6.0V
Q2
1.6V
R1 C1
7 100 CF1 0.022
C84
IF-OUT 0.022 CF2
Q1
1.0V
1.2V
+
R11
+
0-100 VCC 6 R44
+B
270
C23 OSC 8 1/4W
100P
OSC
BUFFER
R51
5.6K +
+
+
W53,58, W82, 2.5V
0.9V
W56
86 83
YES
YES
NO
NO
NO
REFERENCE PHASE DETECTOR
DIVIDER CHARGE PUMP
W53,58, W82,
W56
86 83
UNLOCK POWER
YES
YES DETECTOR ON
NO
RESET
NO
NO
2
W82, DATA SHIFT REGISTER LATCH
C B I/F
83
YES
u 1 6 3
y
X1
W56
7.2MHz
NO
C44
470P
W58,
86
YES
W58,
86
YES
G H
2 4
8 9
+
C24
330P R25 C26
+ +
FM,MPX
C37
AM SYSTEM 10u10 R33
+
+
IC1
4.4V C38
2.8V
(4.4V) 10u10
(2.8V)
+
DECODER
ANTI-BIRDIE
P-DET
STEREO
SW
AGC
MUTE
DET
VCO FF FF FF PILOT
304KHz 38K 19K 19K 8 DET
2
AM
S-METER
TUNING STEREO
DRIVE DRIVE
GND VCC
7.0V
(4.0V)
4.3V
(0V)
C17
+ +
C81 1u50
8.8V
1
(9.2V)
+
+9V
6 3 1 5 1 5 0 8
L4 L5
+
DISCRI
R81
150
+B
1W
R84
1K
+B
+B
PLL
IC2
10.9V
FM +B
1/2
Q14
+B
SWALLOW COUNTER 12bits PROGRAMABLE
1/16,1/17 4bits DIVIDER
11.0V
R59
1.2K
10.3V
C86
470P
UNIVERSAL COUNTER
m
c o
.
R48 1K
6
R47 1K
5
R46 1K
4
R45 1K
3
I J
2
9 8 9 9
C
Q3
C33 R31
47K
0.01
3.6V
0V
0V
0V
[0.6V] 14.4V R36
3.0V
R30 Q7
C34 560
0.01
DETECT
Q4 BUFFER
0V
EMPHASIS
75uS: ON
50uS: OFF
B
50uS
[75uS]
S LEVEL F
BUFFER
8.0V
Q6
R38
1K +15V
4.3V
3.7V
R39
+ 10K
9 2 4 9 8 2 9 9
W82
W56
L6
C70
8200P
+15V
W83
L7
C71
8200P
G
3.5V
3.4V
Q12
T. MUTE
2.8V
DRIVE
+15V
W86 W58