Kenwood KRC-2902YA, Руководство по обслуживанию

Страница: 8 / 17

A B C D E F G H I J
1
2
3
4
5
6
7
AM+B
19
23
20
21
22
AUDIO OUT
SD
S-METER
IF1+B
14
17
18
VDD 5V
IF2+B
15
16
SDA
SCL
DIG GND
10
11
12
13
OSC GND
VT
PLL+B
IFC OUT
7
8
9
OSC GND
OSC GND
OSC GND
FM ANT
3
4
5
6
AM ANT
RF GND
FM+B
1
2
RF GND
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
AC
C
B.
U
GND
19 23 17
21
9 3 7 5
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
R155 430
R156
23 24 25 26
0.01
C151
47u10
C150
+
L3 4.7uH
0.1
C158
R150 4.7K
0.1
C155
C153 0.015
C154 0.22
0.033
150P
C157
C156
0.22 0.22
24
IF1 GND
IF2 GND
0.01
C202
0.01
C204
22K
R203
22K
R201
1K
R202
1K
R200
R205
150
35
36
4.7uH
76
32
C209 47u10
+
1
2
3
4
5
0.047
C251
10K
R251
1500P
C2
1500P
C1
22K
R1
22K
R2
12
11
10
9
8
7
6
5
4
3
2
1
P
AN 5W
L
D
ATA
S
L CLK
L CE
L
D
ATA
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 IN
8
L NF
L OUT
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
+
+
C4
47u6.3
R IN
1
40 39
C53
37
38
F1 (10A)
R159 100K
28 27 26 25 24 23 22 21 20 18 17 16 15
A
C
OUT L
A
C
OUT R
OUT LF
OUT RF OUT LR OUT RR
VDD
GND
SD
A
S MUTE
QU
A
L
MUX R
MUX L
1
2 3 4 5 6 7 8 9
10
11
12 13 14
VREF CREF T
APE L
T
APE R
CDR CDGND CDL PH- PH+ AM MPX LEVEL MP IN MP OUT
1
C14 C13
L4
52mH
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
A
CC 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
P
ANEL
L CE L RES A
VSS
R
D
ATA
R Q
U
AL
IC2 SEL 0 L
D
ATA
L
L
D
ATA
S
D
ATA
C
SEL 1
R CLK
PACK IN
VDD 1
X2
X1
IC
XT1
VDD 0
S METER
R306 1K
2
2
TH1
P1
10
R323
1/2W
1/2W
Q151
Q320
10K
Q54,55
Q150
16
D
ATA
H
17
CH CLK
18 19 20
IC2 SEL 1 A
VREF 1
L CLK
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
36
35
39
37
38
40
32
41
REQ C
KEY-REQ
SEL 0
VSS 0
AVREFO
PHONE
NOISE
AV CONT
R106
2.2K
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
T
-MUTE
R380
10K
0.01
C380
22K
R381
R104 47K
R140 47K
2.2K
R142 47K
R110 100K
R113
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
A
C
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
+
L6
4.7uH
4.7uH
L7
L10 0.01
C214
58
60
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
AC
C
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
47K
R263
GND
5
MO
T
3
MO
T
4
T
.MUTE
6
2
8
27
+B
GND
IC4
Q58,59
Q60,61
Q301
Q261
Q350,353
Q352
Q51,52
Q56,57
76
3 5 7 9
47K
R252
R382 47K
R51
47K
R133
4.19MHz
100K
R111
R112
W200
L8
4.7uH
1
2
3 4
5
C101
0.01
58
+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
+8V +8V +8V
+8V
+8V
+8V
+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-2902YA/G (1/2)
SYNTHESIZER UNIT (X14-6872-73)
IC4
IC2
IC1
A
IC6
(E30-4790-05)
DC1
47K
47K
22K
22K
22K
47K
10K
47K
47K
47K
10K
22K
22K
47K
22K
47K
22K
22K
10K
47K
A1
J2
D50
D261
D52 D51
Q50
D351
D370
ANT-CON.
Q350
Q351
D352
Q353
Q352
Q151
D150
D152 D151
Q150
Q201
D200
Q203
ANT
J1
CN1
J3
Q320
Q55
Q54
D55
Q56
Q57
SW
Q301
Q53
Q52
Q51
D53
D54
Q58
Q60
Q61
Q59
D56
8V
IC1 :
IC2 : TDA7400D
IC3 : HD74HC27FP
UPD780058GC425
IC4 : TDA7386
IC5 : LA3161
Q49,50,52,57,61 : 2SC2412K or
2SD601A
Q51,261 : 2SB1443
Q53 : 2SA1036K
Q54,58 : DTC144EK or
KRC104S
UN2213 or
Q55,59,352
: DTA124EK or
UN2112 or
Q56,60 : 2SA2057 or
2SB1548(P) or
Q201,203,350 : 2SB1277(Q,R)
Q301
: DTA144EK or
UN2113
Q320,351 : 2SA1037K
D50 : 1N5393G-M6 or
S2V20
∗
A
D51 : MA4068(N)-M or
HZS7A3L
D52,200 : MA4051(N)-M
D53,260,261,351,370,371
:
AM01Z or
ERA15-01
D54 : MA4056(N)-M
D55 : MA4091(N)-M
D56 : MA4110-L
D100,150-152,352
: 1SS133
J1
X16-
2/2
D371
Q150
UN2212 or
DTC124EK or :
Q151,260,353
UN2214 or
KRA103S
2SB1655(E,F) or
2SB1565(E,F)
KRC103S
KRC107S
DTC114YK or :
ILLUMI
+B SW
ILLUMI
+B DRIVER
DRIVER SW
P.CON PROTECTION SW
P.ON
5V SW
SYSTEM u-COM
DISCHARGE SW
PANEL 5V
SW
8V
DRIVER
EQUALIZER
AMPLIFIER
E-VOLUME
FM+B
SW
AM+B
SW
TUNER
E-VOL
MUTE SW
Q49
P-CON.
P.CON
SVR FORCED
DETECTION
ACC
D380
D100
PST9135NR IC6 :
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
DSM1SD2 or
D380 MA4047-M : B LINE
GND LINE
SIGNAL LINE
1.3V 0.8V 3.5V 0V 8.0V 3.5V 0.8V 1.3V
0V
4.4V
0V
5V
0V
5V
0V
5V
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
5V
5V
0.9V
0V or 5.0V
5V
0V
0V or 5.0V
0V
5.0V
0V
5.0V
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
0V
5.0V
5.0V
+B
+B
1 2 6 3 4 5
ME1 (D40-1136-05)
HD1
S3
M
M1
S1
S2
FWD/REV
GND
HEAD R
HEAD COM
HEAD L
T
.MUTE
GND
MO
T GND
MO
T+B
GND
P
A
CK IN
Lch
1 2
FWD
REV
Rch
Ref.99
6 3 4 5
CAUTION : For continued
safety, replace safety critical
components only with manu-
facturer's recommended parts
(refer to parts list).
Indicates safety critical
components. To reduce the
risk of electric shock, leakage-
current or resistance measure-
ments shall be carried out
(exposed parts are acceptably
insulated from the supply cir-
cuit) before the appliance is
returned to the customer.
• DC voltages are as mea-
sured with a high imped-
ance voltmeter. Values may
vary slightly due to varia-
tions between individual
instruments or/and units.
!