Kenwood KAC-929, Руководство по обслуживанию

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A C E G I B D F H J
2
1
3
5
7
4
6
KAC-929
15.7V
-15.7V
0.9V
0.9V 1.8V
1.8V 1.8V
1.8V 6.9V
6.9V 1.8V
1.8V
15.7V
0.1V
0.7V
0.1V
44.1V
-43.3V
-44.0V
-5.3V
1.2V
-1.2V
-45.0V
45.2V
0.6V
-45.2V
0.6V
-45.2V
45.2V
25.0V
-25.0V
45.2V
-45.2V
2.5V
0.46V
5.0V
13.8V
3.3V
14.4V
B LINE
B LINE
K1
1 2
2
1 1
2
1000P
1000P
R2
C2
1K
R1
1K
C1
10K
C4
R4
10u16
+
10K
10u16
C3
R3
+
7
C5
15P
R5
R7 10K
10K
5
6
4
10K
R9
C8
R8 10K
R6
10K
C6
15P
C9
8
10
9
11
C100
R100
10K
R10
0.01
0.01
R14
7
3
5
1
47K
R13 2.2K
C13
C14
10u16
10u16
C12
10u16
+
2.2K
+
+
R20
47K
47K
R21
R22
47K
10u16
C11
+
R19
6
4
2
8
9
10
62K
R16
62K
62K
R18
62K
R17
R15
1
2
R25 10K
3
12
13
14
R26 10K
C15 15P
15P C16
10K
R11
R12
10K
C17 15P
C18 15P
1K
1000P
10K(A)
10K R23
10K R24
430
R27
R28
430
VR1
9
10
8
11
5
6
4
7
24K R31
24K R32
0.22
C20
0.22
C19
300
R33
300
R34
100K
R35
2.2u50
+
C21
220
R39
1K
R37
100K
R36 2.2u50
+
C22
1K 220
R38 R40
2.2K
R43
2.2K
R44
R41
1K
1K
R42
3
2
1
12
14
13
C23
100P
R45 10K
R46 10K
100P
C24
22K
R48
22K
R47
6
5
7
4
0.47
C25
1.5K
R49
3.3K
R50
3.3K
R51
C26
0.47
C27 0.12
11
10
9
8
22K
R52
10u16
+
C28
22u16
+
C30
22u16
+
C29
R53 47K
47K R54
16 15 14 13 12 11 10 9
1
2 3 4 5 6 7 8
+
C31
0.47u50
100K
R55
10u16
C33
+
0.47u50
C32
+
R56
100K
C34
+
10u16
R57 10K 0.01 C35
0.01 C36 10K R58
10u16
+
C37
10u16
+
C38
22K
R59
22K R60
12
13
14
2
3
1
R61
4.7K
4.7K
R62
R65 4.7K R63 4.7K
R64 4.7K R66 4.7K
4.7K
R67
47P
C41
47P
C42
4.7K
R68
47K
47K
22u16
+
C39
22u16
+
C40
470(B)
VR3
2.2K
R101
47u25
+
C101
1000P
C103
13K
R103
10K
R205
1K
R107
1K
R109
4700P
C105
100
R111
6.8K
R105
47P
C107
330P C
111
1K
R1
13
+
C109
47u25
150
R125
+ C205
220u50
10
R207
6.8K
R121
1000P
C1
15
150
R1
19
150
R117
220P C121
1.8K
R127
100
R131
10
R137
10
R135
470P C207
1K
R219
470P
C209
1K
R221
100
R133
12P
C1
13
510
R129
6.8K
R123
13K
R115
33
R163
1/2W
10
R139
10
R141
1K
R213
1.6K
R217
C123 220P
1K
R21
1
1.6K
R215
220
R161
0.1
R153
0.1
R151
4.7
R145
4.7
R143
2W
2W
4.7
R147
4.7
R149
2W
R155
0.1
2W
R157
0.1
150
R104
C104
1000P
10K
R206
2.2K
+
47u25
R102 C102
10
R146 R150
R1
10
R108
1K 1K
13K
+
47u25
C1
10
150
220P
C124
R126
R134
100
10
R142
4.7 4.7
C210
C208
1000P
C1
16
R106
6.8K
R124
C106
4700P
R112
100
R1
14
C1
12
330P
1K
13K
R116
47P
C108
R130
510
6.8K
C1
14
12P
VR4
470(B)
R122
R164 R132
6.8K
R128
1.8K
33 100
150
R120
220P C122
R216
470P R222
1K
R218
R154
0.1
2W
R214
R140
1.6K
1K
R162
1K
R220
470P
1.6K
220
R152
0.1
2W
2W
0.1
R158
R156
0.1
2W
10
R212
R138
1K
4.7
R144
4.7
R148
R136
10
R118
47K
R209
R210
47K
K2
GND
Lch+
Lch-
Rch-
Rch+
F1
P-CON
C117
0.047
R159
4.7
R160 C118
4.7 0.047
BATT
10u16
C232
+
L1
L2
L5
2
1
680
R259
33K
R255
680
R258
10K
R256
100
R260
+
C222
47u50
10K
R257
10u16
C221
+
10
R280
30K
R250
1.2K
R248
3.3K
R246
3.3K
R244
1.2K
R249
3.3K
R245
3.3K
R247
4.7K R251
10K
R242
15
R241
10K
R243
1/2W
10u35
+
C206
0.01
C233
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
220u16
+
C225
R263
1000P
R262
10K
R278
33K
R277
+
C231
100u6.3
100K
R275
+
C230
47u25
22K
R276
47K
R270
C224
16K
1K
+
C223
10u16
R261
10K
27K
R269
27K
R268 680K R266
+
C227 1u50
R264
10K
10K
R267
91K
R265
+
C226
0.1u50
R281
1K
TH2
TH3
TH1
4.7K
R239
10
R231
R229
75
1.5K
R233
R253
2.7K
33K
R271
R234
1.5K
R230
75
10
R232
R240
4.7K
3900u16
+
C218
10 1/2W
R226
5600P
C216
L4
10
R223
3300P
C213
1/2W
4700u50
C21
1
+
L3
R227
R228
+
R225
10 1/2W
3900u16
C217
5600P
C215
4.7K
4.7K
C212
3300P
C214
4700u50
+
1/2W
10
R224
470
R237
470
R238
5.6K
+
100u6.3
C229 R272
R236
470
R235
470
R274
C228
+
100u6.3
22K
10K
R273
+
C203
47u25
120
R201
13K
R203
+
C201
47u25
R69
R70
150K
R252
100K
R254
IC1
IC2
IC3
Q101,103
Q105
Q109,111
Q5,7
Q107
Q113,115,117,119
Q121,123,125,127
Q102,104
Q106
Q110,112
Q6,8
Q122,124,126,128
Q114,116,118,120
Q108
Q30,33
Q29
Q31,32
Q11-18 Q19-22
Q23 Q24
Q27,28
VR2
10K(C)
R202
120
+
C204
47u25
R204
13K
C202
47u25
+
Q25
F2
1
2
1
2
OFF/+6/+12
IC5
CN2
CN4 WH1
Rch
Lch
J1
D3
D1
(1/4)
IC1
D47
D45
D4
D48
D2
D46
(3/4)
IC1
CN1
IC1
(4/4)
D51
D52
D50 D49
S1
(2/4)
IC1
IC2
(4/4)
IC2
(2/4)
S2
(1/4)
IC2
IC2
(3/4)
(2/4)
IC3
S3
S4
IC3
(3/4)
(1/4)
IC3
(4/4)
IC3
D7
D9
D101
D1
1
Q101 Q103
Q109 Q111
Q5
Q107
Q7
Q115
Q113
Q3
D15 D13
Q119
Q117
D19
D17
Q123
Q121 Q125
Q127
D8
Q4
D14 D16
Q120
Q110
D10
Q112
Q118
Q116
Q104 Q102
Q8
Q6
D102
Q108
D12
D18
Q124
D20 Q128
Q122
Q114
Q126
Q106
Q105
D21
D22
J2
E1
D23
CN3
D33
D32 D31
D30
D26 D25
D28 D27
Q23
Q25
Q24
Q27
Q28
Q26
D55
REFERENCE REGULLA
T
O
R
OSCILLA
T
O
R
D36
D35
Q30
Q33
Q32
Q31
D34
D40
D37
Q14
Q18
Q19
Q21
Q22
Q20
D38
Q16
Q12
D41
D43
Q13
Q17
Q11
Q15
D44
D42
Q29
D5 Q1
D100
FAN
GND LINE
SIGNAL LINE
IC1-3 : NJM2060M
IC4 : SA571N
IC5 : UPC494GS
Q1 : 2SD2396
Q2 : 2SB1565
Q3,4,19,20,24,25,27,29,
30 : 2SC945(A)(Q,P)
Q5,6 : 2SC1845(F,E)
Q7,8,33,101-104
: 2SA992(F,E)
Q11-18 : IRFI1010N
Q21,22,28,31,32
: 2SA733(A)(Q,P)
Q23 : 2SC3940A(R,S)
Q26 : 2SA1534A(R,S)
Q105,106 : 2SA1123(Q,R)
Q107,108 : 2SC4137(V,W)
Q109-112 : 2SC2631(Q,R)
Q113-116 : 2SC2235
Q117-120 : 2SA965
Q121,122,125,126
: 2SC5101LB
Q123,124,127,128
: 2SA1909LB
D1-4,7-22,27,28,31-35,
37,38,40,45-52,55,
101,102
: 1SS133
D5,6,26 : RD16JS(B)
D23 : 1N5406-M
D24 : MA3056WA
D25,36 : RD7.5JS(B)
D30 : RD10JS(B)
D41,42 : FML22S
D43,44 : FML22R
D100 : B30-1613-05
ISOLATION
AMP
BASS BOOST
AMP
MIXIING AMP,
LPF,BUFFER
IC
EXPANDER
EXP. ON/OFF
+15V
AVR
MUTE SW
(Lch)
MUTE SW
(Rch)
1st-STAGE
AMP(Lch)
DIFFERENTIAL
CURRENT
MIRROR(Lch)
2nd-STAGE
AMP(Lch)
DIFFERENTIAL
DETECTOR
(Lch)
OVER LOAD
COMPENSATOR
(Lch)
TEMPERATURE
POWER AMP
DRIVER(Lch)
POWER AMP
(Lch)
1st-STAGE
AMP(Rch)
DIFFERENTIAL
MIRROR(Rch)
CURRENT
DIFFERENTIAL
AMP(Rch)
2nd-STAGE
DETECTOR
(Rch)
OVER LOAD
POWER AMP
(Rch)
DRIVER(Rch)
POWER AMP
TEMPERATURE
COMPENSATOR
(Rch)
RELAY
DRIVER
PROTECTION
SW
DC
DETECTOR
OFFSET
SW
DRIVER
DRIVER
PRE-SW
FAN
SW
SW
POWER
VOLTAGE
OVER
DETECTOR
MUTE SW
DRIVER
SW REGULATOR
CONTROL IC
D24
E2
L+
L-
R-
R+
SP IN
RCA IN
ST/MONO
INPUT
SENS
BASS BOOST
LPF FREQ
LPF ON/OFF
-15V
AVR
Q2 D6
SP OUT
5
A
A
5
SW
P CON
J3
(B/2)
(X09-5380-10) (A/2)
IC4
IC5
(X09- )
KAC-929
ADJ
IDLE
VR3,4
2SA1123
2SA1534A
2SA733(A)
2SA965
2SA992
2SC1845
2SC2235 2SC2631
2SC3940A
2SC945(A) 2SB1565
2SD2396
2SC4137
SA571N
UPC494GS
NJM2060M
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.