Kenwood KRC-16A, Руководство по обслуживанию

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A B D F H J C E G I
2
1
3
5
7
4
6
13
4
3
12 8
7 11
2
1
6 10
5 9
10u16
C450
+
270
R450
10u16
C451
R451
R454 100
R452
30K
Lch
R453
30K R455 100
+
270
Rch
16 15 14 13 12 11 10 9
8 7 6 5 4 3 2 1
FL+ RL+
FL- RL-
FR- RR- FR+ RR+
P-ANT
P-CON
ACC
B.U
GND
19 23 17 21
9 3 7 5
R412 100
R410 4.7K
R409 4.7K
R402 10
R411 100
R406 4.7K
R407 4.7K
R408 1K
R403 100
7
6
5
46
45
1
17
63
16
10 0.47u50
C401
+
R401
C402 0.47u50
+
R400 4.7 C400 22u6.3
+
100K 100K
R413 100K
L1
C50 3300u16
+
0.01
3.3K 1/2W
33K
R52
10K R54
R370 4.7K
R350 4.7K
R351 1K
R352
3.3u25
C350
+
22K
C351
0.1u50
C352
+
1K
0.068
100u10
C159
+
+
C160
10u16
R152 1K
R151 4.7K
91K
R153
180K
C162 1u50
+
R157 100 R158 33K
0.01
R155 430
R156
23 24 25 26
0.01
C151
47u10
C150
+
L3 4.7uH
∗ C158
R150 4.7K
0.1
C155
C153 0.015
C154 0.22
0.033
150P
C157
C156
7 5 6
0.22 0.22
12
11
10
9
8
7
6
5
4
3
2
1
P
AN 5W
L
DA
T
A
S
L C
L
K
L C
E
L
DA
T
A
L
u GND P
AN5V
RESET
ILL
GND
ILL
+B
ESD GND
R322 2.2K
R301 470 R302 470
R303 1K R304 1K
27K 47K
R320 R321
100u16
C57
+
R62
100u10
C58
+
1K
R64
1K
R63
R65
2.2 1/2W
R66
2.2 1/2W
R207 2.7K R206 4.7K
3 4
48 49
43
13 12
2
11
60
55
C56
100u6.3
5.6K
R61
+
47K R60
10u10
R58
22K
100 R59
C55
+
C54
0.01
100u16
+
1K
R67
50
GND
7
R162 47K
6
5
4
3
C164 0.01
2
1
9
8
11
10
12
13
VDD
14
+
0.022
4
C7
120K
R7
100u10
100
+
100P
C5
C9
R5 6.8K
R3
L I
N
8
L N
F
L O
U
T
7 6
C3
47u6.3
3
10
R250 120K
R8
C250
100u10
R6 6.8K
+
C8
0.022
C10
100u10
R4 100
GND VCC
R OUT
5 4
100P
C6
R NF
3 2
+
40 39
18
C53
0-21 100P
MODEL NAME
KRC-291A/G (E)
UNIT NO.
2-70 100P
R103 C158
KRC-291YA/YG (E)
KRC-26A/G (E)
KRC-26YA/YG (E)
KRC-265RG (M)
YES
YES
F1 (10A)
R159 100K
28 27 26 25 24 23 22 21 20 18 17 16 15
AC OUT
L
AC OUT
R
OUT
LF
OUT
RF
OUT
LR
OUT
RR
VDD
GND
SDA
S MUTE
QUAL
MUX R
MUX L
1
2 3
4
5 6 7 8 9
10
11
12 13 14
VREF CREF TA
P
E
L
TA
P
E
R
CDR CDGND CDL PH- PH+ AM MPX LEVEL MP
IN
MP
OUT
1
C14 C13
56 55 54 53 52 51 50 49 48 47 46 45 44 43 42
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
1
2 3 4 5 6 7 8 9
10
11
12 13 14 15 16
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
P.
O
N
B.U.DET
ACC DET
P
. CONT
BEEP
AMP
STBY
SVR
REQ H
CH CON
AMP
MUTE
MUTE
AFC
PLL DATA
PLL CLK
VSS 1
SD
FF/REW
MOTOR
PA
N
E
L
L C
E
L R
E
S
A
VSS
R DA
T
A
R QUAL IC2 SEL
0
L D
A
T
A
L
L D
A
T
A
S
DA
T
A
C
SEL 1
R CLK
PACK IN
VDD 1
X2
X1
IC
XT1
VDD 0
S METER
R306 1K
2
2
C452
IC1
UPD780058GC211
1
A GND
REQ C
DATA C
8 B.U. 3
CON
MUTE
4
5 9
10
DGND
REQ H 1
2
9
6
7
CLK Rch 13
10 6
RST
11
12
7 5
DATA H
Lch
13 11 12 8 4 3
1
2
TH1
P1
10
R323
1/2W
1/2W
Q151
Q153
Q320
10K
Q54,55
Q150
16
DA
T
A
H
17
CH CLK
18
19
20
IC2 SEL
1
A
V
REF 1
L C
L
K
16 17 18
11 12 13
28
27
4.7K
R117
R119 2.2K
R120 1K
R121 10K
1K
1K
R123 10K
R122
R124
IC2 CLK
IC2 DATA
FM+B
AM+B
4.7K
∗
R125
36
35
39
37
38
40
41
32
41
REQ C
KEY-REQ
SEL 0
VSS 0
AVREFO
PHONE
NOISE
AV CONT
∗
R107
R106
2.2K
10K
62
47K
R105
6.8K
X1
C102
15P
15P
C103
3 2 1
57 58 59 60
10
R100
0.022 C104
RESET
FWD/REV
ILLUMI
55
R55
47K
47K R57
C52
54
54
R353
Q351
53
48 50 49 43
45 46
T
-MUTE
R380
10K
0.01
C380
22K
R381
∗
R104 47K
∗
R103 47K
∗
R101 47K
R140 47K
2.2K
R142 47K
R1
10 100K
R1
13
2.2K
∗
R102
L
RES
R305 1K
3
57
57
R49
100K
22K
R48
53
21
3
1
11
5 7 9
13 15 17 19 23 25
TA
B
RR+ RR- FR- FR+ FRI
GND
RLI RL+ RL- FL- FL+ CD
GND
2 4
STBY
6
VCC
8
GND
10
SVR
12
RRI
14
FLI
16
AC GND
18
GND
20
VCC
22
MUTE
24
GND
4.7K
R14
0.22u50
C16
750
4.7K
0.22u50
C18
R16
4.7K
0.22u50
C15
R13
1u50
+
0.22u50
4.7K
R15
C17
17 19 23
21
24 25
23 26
R154
C161
19
SCL
1u50
C152
+
41
0.1
C506
78
1K
∗ R160
58
60
63
5 6
2-71
KRC-191YA/YG (E)
KRC-191A/G (E)
NO 100P
NO
NO
YES
YES
NO
YES
R104
UPD780058GCxxx
R107,108,
125,160
UPD780058GC172
UPD780058GC211
KRC-16A/G (E)
KRC-16YA/YG (E)
RL-
BU
YEL
9
TEL MUTE
BRN
12
11
10
VIOL/BLK
GRN/BLK
RR+
RR-
RL-
VIOL
15
13
14
RL+
GRN
16
1 3 5 7
RR+
RL+ FL+ FL-
FR- RR- FR+
2
2
6 8
5 7
4
1 3
6 8
GND
4
ACC
P-CON
B
A
BLK
1
ANT. CON
P. CON
BLU/WHT
BLU/WHT
RED
4
2
3
GRY/BLK
WHT/BLK
GRY
7
6
5
FR-
FR+
FL-
WHT
8 FL+
R261
R262 47K
GND
1
P
A
CK IN
2
1/2W
1K
R260
10K
R263 47K
GND
5
MOT
3
MOT
4
T
.MUTE
6
28
27
+B
GND
IC4
Q58,59
Q60,61
Q350,353
Q352
Q51,52
Q450,451
Q503
502
Q501,
Q500
Q56,57
76
78
3 5 7 9
R405 R404
R382 47K
R51
47K
R133
10K
R161
C163 0.01
4.19MHz
47K
∗
R108
100K
R
111
R1
12
1
2
3 4
5
C101
0.01
YES
YES
YES
0-22
KRC-265LA/LG (M) YES 0.1 NO
R102
YES
YES
YES
NO
R101
NO
NO
NO
YES
YES
YES
YES
Q503
NO YES
YES
YES
YES
NO UPD780058GC425 NO
+B
+B
+B +B +B +B
+B
+B
+B +B
+B +B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+8V +8V
+8V +8V
+5V
+5V
+5V
+5V +5V
+5V
+5V
+5V
+5V
+5V
+5V
+8V
+8V
+8V
+5V
+5V
+5V
+5V
+5V
P5V
P5V
P5V
P5V P5V P5V P5V P5V
+5V
IC3
IC5
KRC-16,191,265L/R,26,291 (E,E,M,E,E) (1/2)
SYNTHESIZER UNIT (X14-687x-xx)
IC4
IC2
∗
IC1
IC6
(E30-4790-05)
KRC-16,191,
DC1
265L/R,26,291
4.7K
4.7K
47K
47K
22K
22K
22K
47K
10K
47K
47K
47K
10K
22K
22K
22K
22K
47K
22K
47K
22K
22K
10K
47K
22K
22K
10K
J4
REAR PRE OUT
Q450
J5
Q451
J2
D400
D401
D408
D405
D410
D409
D404
D50
D261
D52 D51
Q50
D351
D370
ANT-CON.
Q350
Q351
D352
Q353
Q352
Q151
D150
D152
D151
Q150
J3
Q320
Q55
Q54
D55
Q56
Q57
SW
Q301
Q53
Q52
Q51
D53
D54
Q58
Q60
Q61
Q59
D56
Q153
∗
A
∗
D
(X14-687x-xxx)
A D E
8V
TOP VIEW J4
D371
ILLUMI
+B SW
ILLUMI
+B DRIVER
DRIVER SW
P.CON PROTECTION SW
P.ON
5V SW
SYSTEM u-COM
DISCHARGE SW
PRE OUT
MUTE SW
PANEL 5V
SW
8V
DRIVER
EQUALIZER
AMPLIFIER
E-VOLUME
MUTE SW
PRE OUT
E-VOL
MUTE SW
Q49
P-CON.
P.CON
SVR FORCED
DETECTION
ACC
D380
D100
Q501
Q502
∗
Q503
MOTOR
+B SW
Q260
MOTOR+B
DRIVER
D260
WH1
Q261
MUTE LOGIC
POWER
ANPLIFIER
RESET
RESET
CD-CH
SW
P.CON PROTECTION
INHIBIT SW
BACK-UP
5V DRIVER
SW
DETECTION
BACK-UP
SW
NOISE
BUFFER
AFC TIME
CONSTANT SW
OUTPUT
AUDIO
BUFFER
1.3V 0.8V 3.5V 0V 8.0V 3.5V 0.8V
0V
4.4V
0V
5V
0V
5V
0V
5V
0V
4.0V 4.0V 4.0V 4.0V 4.0V 4.0V
4.0V 4.0V 4.0V 5.0V
0V
3.5V
0V
8.0V
4.0V
0V
5V
5.0V
0V
5V
0V 5.0V
0V or 5.0V
0V
5V
0V
5V
0V
0V
5V
5V
0V
0V or 5.0V
0V
5V
5V
0.9V
0V or 5.0V
5V
0V
0V or 5.0V
0V
5.0V
0V
5.0V
1V
0V
5.0V
0V
4V
0V
4V
1.6V
14.4V
4.8V 0V 7.3V 0V 7.2V 7.2V 3.3V
14.4V
0V
7.3V 7.3V 7.3V 7.3V 7.2V 0V 7.2V 7.3V 7.3V 7.3V 7.3V
0V
7.3V
0V
0V
2.5V
5.0V
0V
4V
0.3V
3V
0V
5.0V
5.0V