Kenwood KR-1060VR, Service Manual

Page: 26 / 48

U V X Z AB AD W Y AA AC
Y05-3330-10
1060VR/1070VR/KR-V8090/KR-V9090
( )
) (
) (
) (
X
X
X X
(
(
(
(
)
)
)
)
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X X
X
X
X
X
R80 1K
R81 1K
R83 1K
R82 1K
2
4
5
3
470P
R84 10K
27P C82 22P
C81
+
10u16
C87 0.01 C93
7.2MHz
X81
560 R94
1/4W
COUNTER
U N I V E R S A L
X OUT
DO CL CE X IN DI BO1
CHARGE PUMP
PHASE DETECTOR
PROGRAMMABLE
1/16, 1/17 4bit
SWALLOW COUNTER
12bit
DIVIDER
DATA SHIFT REGISTER LATCH
DIVIDER
REFERENCE
2
1
VSS
PD
AIN
VDD
NC
AM IN FM IN
IF IN
NC
UNLOCK
DETECTOR
AOUT
22 21 20 19 18 17 16 15 14 13 12
1
2 3 4 5 6 8 7
10
9
11
456kHz
7
BUFF
3 2
1
FM
IF FM
DET
4
L33
5 6
REG GND
FM
DRIVE
TUNING
AM
BUFF
LEVEL
DET
S-CURVE
30
OSC
AM
ALC
29
28
AM/
IF
FM
S METER
DET IF
COMP
AM
AGC
AM
RF.AGC MIX
AM AM
27 25 26
DET
12
PHASE DET
8 9
10
11
SW
AM/
FM
VCC
13 14 15
DECODER
UNTIBIRDIE
VCO
FF
STEREO
DRIVE
24 23 22
21
MUTE
PILOT
FF FF
TRIG
SW
STEREO
18 20
19
17 16
X31
C36 0.047
10u16
C35
+ +
10u16
C33
C34 0.01
C32
+
C31
47u16
0.01
C37
33K
R59
2.7K
R32 5.6K
10u10
C38
+
C30 0.047
R33
1u50
C40
+
0.47u50
C41
+
3K
C42
2.2u35
+
47K R49
R34
8.2K
22P C45 R37
C44
0.047
+
0.47u50
C43
100u10
C46
+
R38 33K
100P
C70
C47
1u50
C49
+
R44
10u10
C52
R43 10u10
R36
2 1
10uH
L63
2P
C68
L34
R41
2.2K
2K
R40
R42 2K
1500P
C50
C92
R85
1K
C84
1000P
R86
1K
R88 1K
1K
C86
1000P
C85
100P
C89
47u16
+
1K
R87
R91
C90
2.2u50
+
C91
0.022
100
1/4W
R93
1.2K
12K R92
C96
+
47u16
C1
R1
220
1/4W
R2
10K
R69
220
R89 R90
5.6K
150 1W
R31
C48
L31
L32
0.01
C2B I/F
100P
R39 82K
4700P
R35
39K
2.4K
2.2K
L81
1uH
R67
100K
+
+
C51
2.2u50
+
+
2.2u50
C57
8200P
R47
L35
R45
R46
C58
8200P
R48
L36
1K
1K
3.9K
3.9K
W55
0.01
C61
820P
C73
W11
C55
C56
2.2K
C53
C54
MONO 1
GND 10
2
3
4
5
6
4
2
3
5
T.MUTE
PLL-CE
PLL-DO
PLL-CLK
PLL-DATA
9
8
7
Lch
+15V
-15V
15
13
14
11
12
SD
DET-OUT
S-LEVEL
Rch
STEREO
4/6
-E1
X08-B/2
100K
R52
0.1
C60
1K
R53
10K
R50
100
3.9K
R51
R57
100
C59
100P
R56
R55
5.6K
8.2K
R103
R105
R101
820
1K
1K
R102
1000P
22P C67
2.2K
W85
R15
R3
C3
0.01
CF1
R4
47 R9
0.01
C6
R10
2.2K
100
R5
10K
R11 330
C7
0.01
680 R13
100
R12
3.3K
R14
C8
330
0.01
R16
100
330 R17
R21
CF2
C5
0.01
R8
680
R22
10
R18 390
680 R19
R20
C9
0.01
0.01 C10
R7
220
W27
C64
0.033
47K
R104
W13
W56
2.2K
R68
W6
C63
9P
0.033
C62
1M
R62
R64
47K
R63
15K R65
1.5K
R66
10K
W24
+7V +11V
+11V +11V +11V
+11V
+11V
+11V
+8V
+11V
+8V +15V
+15V
-15V
+15V
+15V
+15V
+8V
+15V
+15V
+11V
+11V
+11V
+11V
6P
C66
+5V
11.0V
8.1V
ST: 7.2V
MONO: 0V
8.1V
DT
0V
ST: 0V
MONO
: 4.8V
3.7V
8.1V
3.7V
3.7V
2.7V
(4.0V)
3.7V
3.7V
1.9V
(1.5V) 3.7V
0V
(1.3V)
11.0V
9.4V
9.1V
8.7V
8.7V
0.8V
1.8V
1.2V
1.3V
1.9V
9.3V
5.1V
98MHz
:3.8V
(0V)
11.0V
2.5V
1.0V
5.0V
1.0V
0.2V
0V
11.0V
0V
(2.5V)
2.5V
(0V)
2.5V
4.6V
12.2V
0V
(9.1V)
7.1V
(0V)
8.1V
8.3V
14.5V
7.7V
3.8V
3.3V
8.3V
2.3V
2.9V
(3.1V)
2.9V 3.7V 3.7V
3.7V
3.7V
3.8V
2.9V
(3.9V)
4.7V
(1.7V)
MUTE
ON: 0.7V
OFF: -2.2V
-14.9V
7.1V
1.7V
0.2V
8.1V
3.8V
(2.4V)
6.7V
(0V)
0V
(0.6V)
14.5V
IC2
IC1
1060VR(K,P)/1070VR(K,P)/KR-V8090(E,T)/KR-V9090(E,T)/KR-V9090W(Q) (2/6)
B
D81
PLL
D31
Q32
D32
CN2
DISCRI
Q31
Q81
FM +B
VT
AM/FM
SYSTEM
/MPX
DISCRI
ON:FM
OFF:AM
Rch
B
CN1
Q34
Q33
Q102 Q101
Q103
D101
Lch
D102
MUTE
MUTE
DRIVE
S METER BUFFER
BUFFER
DET-OUT
DET OUT:AMP
DETECTOR:BUFFER
IF
AMP
Q1
D1
Q2
D2
Q3
Q4
Q62
Q63
Q64
X
A
X
C
X
CAUTION: For continued safety, replace safety critical components only with
manufacturer's recommended parts (refer to parts list). indicates safety critical
components. For continued protection against risk of fire, replace only with same
type and rating fuse(s). To reduce the risk of electric shock, leakage-current or
resistance measurements shall be carried out (exposed parts are acceptably
insulated from the supply circuit) before the appliance is returned to the customer.
PCB/SD( 97.6.22 11:19 AM ページ 6
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TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299