Kenwood VR-205, Service Manual

Page: 16 / 40

A B D F H J C E G I
2
1
3
5
7
4
6
2.8V
3.5V
3.4V
8.0V
4.3V
3.7V
1.2V
6.6V
1.0V
6.0V
3.7V (3.7V)
8.1V (8.1V)
OTHER: 4.6V
3.5V (3.5V) 3.5V (3.5V)
0.9V
0V
(0V)
0V
0V
50uS
[75uS]
11.0V
10.9V
10.3V
1.6V
3.0V
14.4V
3.6V
0V
0V
0V
[0.6V]
0V 7.0V 6.8V 5.1V 0V 0V 0V 2.6V
0V 0V 0V 2.5V 5.0V 0.9V 4.2V
2.5V
3.7V (3.7V)
(3.7V)
3.6V
2.8V
(2.8V)
3.4V (3.4V)
(4.4V)
4.4V
4.4V (4.4V)
(4.4V)
4.4V 3.4V (3.4V) 3.4V (3.0V) 0.2V (1.3V)
0V
(1.2V)
3.6V (3.7V) 1.9V (1.8V)
7.0V
(4.0V)
4.3V
(0V)
8.8V
(9.2V)
7.0V (7.0V)
0.2V (0.2V) 0V (2.8V)
1.2V (1.2V)
2.3V (2.8V)
FM ST: 0V
0V (0V)
(8.1V)
8.1V
(3.5V)
3.5V
TUNER UNIT
IC2
(X05-482X-XX)
IC1
(K,P1,K1,P2,Y1,M1,X1,K2,P3) TYPE
(T1,E1,Q1,K1,P2,E2) TYPE
A1 (W02-2584-05): (E1,T1) TYPE / A1 (W02-2586-05): (K1,Q1,P2,E2) TYPE
A1 (W02-2622-05)
KRF-V5010E/V6010E/V7010E (X05-4823-81)
G
WH2
D13
KRF-V5010W/V6010W/V7010W (X05-4823-81)
VR-205/206/207/255 (X05-4820-10)
VR-257 (X05-4820-11)
KRF-V6010 (X05-482X-XX)
KRF-V5010/V7010 (X05-482X-XX)
D5
F
Q6
BUFFER
S LEVEL
D8
D3
IF AMP
Q2
DISCRI
Q12
D9
T. MUTE
DRIVE
D5
D4
PLL
AM SYSTEM
FM,MPX
Q14
FM +B
CN2
BUFFER
DETECT
50uS: OFF
75uS: ON
EMPHASIS
Q4
Q3
B
C
Q7
D1
FM
TUNED
D11
Q1
FM FRONT-END
J1
FM 75
AM
GND
MIX
TR1
FM FRONT-END
DISTORTION(ST)
TR3
OSC
BUFFER
D3
TR2
D4
OSC
FET1
D2
D1
TR1
D1-4
TR2,3
: 2SK302 FET1
: 2SC2413
: SVC220 or
: 2SC2714
RF AMP
KV1440
MIX
TR1
RF AMP
D2
FET
D1
DISTORTION(ST)
OSC
BUFFER
OSC TR2
A
D3
FET
TR1
: 2SC2714
: 2SK302
TR2,3
D1-3 : 2SC2413
: HVU202 or
1T362
TR3
Ω
E1
F10-1108-04
E1
E1
F10-1108-04
F10-1109-04
F10-1108-04
E1
F10-1109-04
K2 U.S.A.
P3 CANADA
28
R23 R25 R14 R11 CF3 R8
82
R15,
CF1,2 E1 UNIT No.
ABB.
R33,34,
36
E2 3-81 1K L72-0536 F10-1109-04 YES 10 NO 22 100 27K 15K 4.3K 0.018 NO 3.9K 180P 0.022 YES W02-2586 YES YES LA1837 YES EUROPE
COUNTRY
DESTINATION
A , C , F , G
F10-1109-04
E1
F10-1108-04
W58,
86 82,83
B WH1,2
W53,56,
NO NO NO YES
A1 IC1 CN1,2
79,80,82
C70,71, C30,
31
C25
R72,
73
C8 C26 L4-7
R27,
C24
4700P
4700P
2.2K
C49
C78
1M
R87 R86 1M
1M
R85
C86
470P
R88 56K
C84
0.022
C85 0.022
CF1,2
CF1,2
CF1,2
L72-0596
L72-0531
L72-0536
CF1,2
L72-0531
L72-0536
P2 CANADA
U.S.A. K1
R36
NO
1K
NO
1K
R36
C26
0.018 27K
R25
C26
0.022
R25
18K
0.022
C26 R25
18K
C26
0.022
0.018
0.022
0.018
C26
R25
18K
27K
18K
27K
R25
C25
180P
YES
NO
A , C , F
R34
R33
86
C8
NO
R11
22
W58,
YES
B WH1,2
NO NO
82,83
W53,56,
NO
A1
YES
IC1 CN1,2
LA1837 YES W02-2586
A , C , F , G
YES
31
C30, C70,71,
79,80,82
0.022 YES
28
R27,
36
R33,34,
4.3K 1K
R23 R14 R8
R15,
82
15K 100 10 YES
73
R72,
3.9K
L4-7 CF3 UNIT No.
NO 3-81
ABB.
DESTINATION
COUNTRY
W56
NO
C WH1,2
YES YES YES
83,86
W53,58,82,
A1
NO
IC1 CN1 CN2
YES NO LA1838 W02-2586
A , B , F , G
C70,71,
79,80,82
NO NO
C30,
31
C8 C25
390P YES 0.033
R27,
28
R33,34,
36
100 8.2K
R23
R8,
11
R14
82
R15,
33 3.3K NO 270 15K
R72,
73
L4-7 CF3 UNIT No.
YES 0-11
ABB.
K1 U.S.A.
COUNTRY
DESTINATION
P2 CANADA
NO
YES
83
W82,
83
W82,
YES
NO
83
C25
11
W53,56,
58,86
G WH1,2
NO YES NO
A , B , C , F
NO
A1 CN2 IC1
NO LA1838
L4-7 CN1
C70,71,
79,80,82
NO YES NO W02-2622
31
C30,
0.033
R72,
73
C8
390P 15K YES
R33,
34
R27,
28
1K 8.2K
82
R15,36, R8,
R14
NO 33 270 3.3K
R23 CF3 UNIT No.
YES 0-10
ABB.
DESTINATION
COUNTRY
YES
W82,
NO
W53,58,
86
G WH1,2
NO YES
B A , C , F
YES
NO
A1 CN2 IC1
NO LA1838
L4-7 CN1
C70,71,
79,80,82
NO
NO
YES
NO W02-2622
31
C30,
0.022
R72,
73
C8
8.2K YES 390P
C25
R33,
34
R27,
28
1K
8.2K
82
R15,
R8 R11 R14
NO 33 33 270 3.3K
R23
NO
NO
YES YES LA1837 YES YES YES W02-2584 3.9K NO 180P 4.3K YES 10 22 100 15K
CF3 UNIT No.
YES
0-21
0-71
ABB.
DESTINATION
COUNTRY
X1
M1 GENERAL MARKET
AUSTRALIA
NO 2-71 E1 EUROPE
YES
W56
W56
YES
NO
W53,58,
86
NO
WH1,2
NO
G
YES
B
YES
NO
A1
W02-2622
W02-2584
IC1
LA1838
LA1837
CN2
NO
YES
CN1
YES
NO
YES
L4-7
NO
YES
R27,
28
8.2K
4.3K
79,80,82
C70,71,
NO
YES
31
C30,
0.022
C25
390P
180P
C8
YES
NO
R72,
73
8.2K
3.9K
R33,
34
1K
R23
3.3K
15K
R15,
82
NO
YES
R14
270
100
R11
33
22
R8
33
10
CF3
YES
NO
CF1,2
L72-0531
L72-0536
K
P1
UNIT No.
U.S.A.
COUNTRY
DESTINATION
CANADA
ABB.
Y1
M1
X1
0-71
0-21
T1
E1
Q1
2-71
AUSTRALIA
PX
GENERAL MARKET
U.K.
EUROPE
RUSSIA
L7
C70
8200P
W82
L6
1K
R39
R38
1K
10K
R40
+
C32
10u16
R80 22K
1W
C8 0.01
R81
150
+
C7 47u16
C82 0.01
W59
R10 1K
R9 390
0.01
C6
R11
C5
0.01
R6 220
R5
R1
+ C73
47u16
+
C72 1u50
2.7K
R82
L5
C18
820
W83
8200P
C71
R78
W58 W86
W56
W53
+15V
1K
R84
6
4
5
3
R52 100
5.6K
R51
R54 1K
R53
0.022
+
2.2u50
1000P
+
C46
10u16
+
C48
47u16
C44
470P R45 1K
R46 1K
R47 1K
R48 1K
R49 10K
12K
R58
R59
1.2K
C43 22P C42
27P
X1
7.2MHz
12 13 15
1/2
DIVIDER
12bits PROGRAMABLE
UNIVERSAL COUNTER
16 17 18 19 20
UNLOCK
PHASE DETECTOR
CHARGE PUMP
POWER
11
9
10
8 7 6
DATA SHIFT REGISTER LATCH
RESET
DETECTOR ON
1/16,1/17 4bits
SWALLOW COUNTER
14 22
2
5 4 1 2 3
REFERENCE
DIVIDER
C B I/F
21
C40 2P
C51 470P R57 1K
C52 100P
R56 1K
1/4W
C47
R50 470
+9V
220
R43
R55 33K
C50 100P
0.022
C1
E1
3
4
1
2
VCC
+9V
+9V
R35 100
R36
R37 3.9K
L4
8.2K
+
1u50
C17
R19
+ C16
0.47u50
R18 3K
R20 3.9K
1u50
C15 +
C45 22P R17 3.6K
C13 0.047
+
C14
10u16
CF3
R15 33K
R14
R16 22
C12 0.047
R31
47K
R30
560
0.01
C33
C34
0.01
+
C37
10u10
+
C38
10u10
C80 C30
C79
2
+
C10
47u16
C11 0.047
L3
C81
1
L9
10uH
22P C41 C39 6P
C76 47P
R83 1K
R23
1
C25
C27
4.7u25
+ C23
10u16
330P C26 R25
+
C21
3.3u35
C22 0.047
+ C19
10u10
C20 0.047
47P
16 17 18
8 19K
FF
DET
PILOT
19 20
STEREO
SW
21
P-DET
ANTI-BIRDIE
DECODER
FF
19K
2
FF VCO
304KHz 38K
22 23 24 25
DET
MUTE
14 15 13
11
10 12
9
STEREO
DRIVE
7 6 8
VCC
26 27
AGC
AM
28
REG
MIX
AM
RF.AMP
AM IF
AM
COMP
SD
29 30
ALC
BUFF
OSC
AM
5
GND
4 3
IF-BUFF
DET
FM
S-METER
FM IF
2
1
S-CURVE
AM/FM FM
TUNING
DRIVE
S-METER
L2
1uH
C36 0.01
R42
10K
L1
100K
R41
C75 4P
R27
10K
VR1
C31
+ C28
2.2u35
+ C29
2.2u35
R28
R3
R4 680
820
R7 3.3K
0.01
C2
220
R2
R8
C3 0.01
3.3K
100
R44
270
5
C13
0.1
VT
IFT
IF-OUT
R11
6
8
VCC
0-100
100P
OSC
C23
560K
150K-
R19
100
1-3P
C22
0.1
27P C11
R9
680
R8
680K-1.5M
C12 2P
5P
L6
C10
L5
1000P
R5
R7 33K
C8 0-6P
R18
220
R16
10K
R14
27P
8P
C20
C19
R12
L7
C17
2-6P
3.9K
C15
C9 7
47P C16
470-
R17 10P C21
1.5K
10K R15
0-100
L4 L3
C7 5-10P
R6 33K
C6
10P
C4
L2
100K
R3
100K
R1
3-7P
C5
0.1
C14
15P
C2
27P
C1
L1
27P
C3
1
2
3 GND
GND
ANT1
4 GND
0-5P
33K
R2
R4
100
6 +B
0.1
33K
R4
C4 R2
R3
27P
C7
680 R13
3P
L4
L5
R5
C5
C19
R14
68
C9
0.1
180P
1000P
470K- 1.2M
C3 0-8P
C6 4P
C2
R1
10P
L2
L1
180P
C1
C18
0-8P
100K
0-100
L3
33K
C10
7 IF-OUT
OUT 8
100P
C17
R7
10K
R8
C13 3.9K
C16
1/4W
100 R12
CF2
CF1
C14
27P
27P C15
10K R10
C12
L6
R9
150P
C20
2-6P
0-8P
8P
R6
680-2.2K
100K-
R11
680K
R12
100 100
1
2
3
4
ANT1
ANT2
GND
GND
OSC
5
0.1
C8
IFT
VT
+B
+B
+B
+B
+15V
+15V
+B
+B
+B
+B
+B
+15V
+15V +B
+B
+B
+B
+B
+B
+15V
+15V
X
X
X
X
X X
X X
X X X
X
X
X
( )
(
)
) (
) (
sd2p 98.12.9 12:13 y [ W 2
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299