Kenwood LS-N302, Руководство по обслуживанию

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AE AG AI AK AM AF AH AJ AL AN
2
1
3
5
7
4
6
PLAY: 0V
REC: 4.3
OFF:0V
ON:4.0V
OFF:0V
ON:4.6V
MUTE
4.7V
4.0V
4.0V
4.7V
9.4V
4.7V
4.7V
4.7V
4.7V
4.7V
4.7V
4.7V
4.7V
4.7V
10.9V
12.0V
12.0V
12.0V
REC/PLAY:0V
11.3V
REC/PLAY:4.7V
12.0V
12.0V
5.0V
4.7V
5.0V
4.7V
PLAY:9.9V
REC:9.8V
10.9V
0.7V
5.3V
1.4V
10.4V
PLAY:0.7V
REC:0V
2.0V
0V
0.9V
1.3V
1.4V
0V
1.3V
2.0V
B:0V
A:1.5V
TAPE
PLAY:8.4V
REC:8.5V
1.4V
1.3V
10.9V
0V
0V
8.1V
0V 0V
1.3V 1.4V
REC:0.7V
REC:10.3V
REC:7.4V REC:9.9V
REC:9.4V
REC:10.9V
REC:3.3V
REC:0V
REC:4.7V
4.7V
REC:
REC:5.2V
REC:6.5V
REC:10.8V
10.9V
0V
OFF:0V
ON:4.1V
MUTE
0V
Q223
Q224
CN402
CN101
JK401
Rch 2
Lch 1
Q401
CN204
CN201
CN202
CN203
PRE/
REC
AMP
D401
MUTING
D203
P.B
MUTING
Q204 Q202 Q203
Q205 Q206 Q201
Q216
Q214
Q403 Q404
D201
J567
D202
Q207
Q208
Q209
Q210
Q212
Q211
Q405
D406
D407
Q402A
Q407
Q221
Q219
Q222
Q220
Q218
Q217
(2/2)
IC402
CONTROL
MUTING
BUFFER
CONTROL
BIAS
BIAS OSC COIL
BIAS OSC
BEAT
CANCEL
R/P SWITCHING
REC
MUTING
PROCESSOR
CONTROLLED AUDIO
3 BANDS DIGITALLY
Q213
Q215
REC
AUX
TUNER
D405
SYSTEM
D716 : MTZJ12B
D714,715 : 1N4002L
D711 : MTZJ13B
D710 : GBU4D
D709 : W02G
D705 : MTZJ6.2B
D503 : MTZJ5.1B
501,502,504,706 : 1SS133
D201-203,401,404-407,
Q708 : 2SA965Y
Q704,706 : 2SD882P
Q213,702,705 : 2SC2001L
Q503 : 2SA988F
Q501,502 : 2SC1841E
Q408,409,505,506 : 2SC2878A
Q217,219,221 : 2SA934R
Q215,218,220,222,710
Q207,209,212,407 : DTA114ES
Q201-206,208,214,216,223,224,
: 2SC945P
IC501 : STK407-040
IC402,602 : NJM4558L
IC401 : TDA7439
IC201 : TAB189N
: MTZJ9.1B D708
: DTC114ES
D713 : MTZJ33B
GND LINE
SIGNAL LINE
RECORDING LINE
B LINE
B LINE
Lch
Rch
Rch
Lch
ERASE
A-HALF
A-MODE
A-SOLENOID
B-MODE SW
B-HALF SW
REC SW(RVS)
REC SW(FWD)
MOTOR
B-SOLENOID
A-PHOTO INTERRUPTER
B-PHOTO INTERRUPTER
A B
D
1/5
TUNER
-CN101
3/5
CD CKT
-CN04
-CN05
3/5
CD CKT
TAPE A
PLAY
REC/PLAY
TAPE B
401,402A,403-405,504
Q210,211 : 2SK2541
D705
Q702
INPUT
(FULL LOGIC)
(AUTO REVERSE)
4.7K
R255
4.7K
R254
1
2
3
4
5
6
+7.5V
MUTE
GND
Lch
GND
Rch
10 9 8 7 6 5 4 3 2 1
MUTE Lch GND Rch ST
INO
+12V CE OI CLK DO
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
OUTL
AUX L
T
APE L
TU L CD L
CD R
TU R
T
APE R
AUX R
LOUT ROUT
AGND
VS
CREF
SDA
16 17 18 19 20
21
22 23 24 25 26 27 28 29 30
INL MUXOUT
R
INR MINR XOUTR BINR BOUTR BINL BOUTL MOUTL MINL TREBLE L TREBLE R DIG GND SCL
C400
0.1
GND
LA09
2.2u50
C400X
+
R41
1
1K
R412
1K
1
30
30
1
72131 DA
T
A
OUT
72131 CLK OUT
72131 CE OUT
TDA7439SCL
+5.6V
TU MUTE
72131 DA
T
A
IN
FM ST
IN
TDA7439SDA
6.8K
R403 330P C403
39K
R401
1000P
C401
1000P
C402 R402
39K
6.8K
R404
330P C404
0.47u50
C413A
+
0.47u50
C412A
+
LA07
LA06
22K
R408
10K
R409
1 2 3 4 6 4 3 2 6 1
MOT
OR L
REC SW R
VS
1
8
MOT
OR 12V
MOT
OR H
10
9
NC
11
A
MODE SW
A
PHOT
O OUT
A
SOL
GND
13
12
15
14
A
HALF SW
16 2
B SOL
B PHOT
O
NC
3
4
5
B MODE SW
B HALF SW
6
7
REC SW FWD
4.7K
R281
4.7K
R279
4.7K
R275
4.7K
R274
4.7K
R278
4.7K
R280
R277
4.7K
4.7K
R276
2
3
1
2
1
4
3
5
1
2
PB IN (Rch)
(Rch)
PB OUT
A/B
1
2
PB IN (Lch)
5 4 3 7 6 8
PB OUT (Lch)
9
11
10 12
ALC
23 24 21 19 20 22 18 17 16 15 14 13
LA1
1
2.2u50
+
5600P 5600P
0.022 0.018
0.18 0.18 0.18 0.18
0.018 0.022
220P C424
2.7K
R413
2.7K
R414
2.7K
R415
2.7K
R416
0.47u50
C41
1 +
R409B 100K
R407
22K
4.7K
R405
4.7K
R406
2.2u50
C407
+
2.2u50
C406
+
LA03
LA04
JA
JB
680P
C202
180K
R203
0.01
C209
15K
R207
220P
C205
680P
C200A
680P
C203
47u16
C207
+
10
R202
680P
C200B
R201
10
150K
R743
3.3u50
C238
+
330u16
C237
+
10
R246
10
R245
8
6
4
5
7
9
2
3
1
10K
R21
1
150
R206
47u16
C208
+
0.01
C210
15K
R208
180K
R204
R214 22K
C241 100u16
+
R213 47K
12K
R212
1u50
C212 +
4.7K
R210
2700P
C214 150K
R744
47u16 C227A
+
R216
180K
C218
220P
R220 330K
1.8K
R218
22u16
C222
+
R224 4.7K
470P C227 220P C217
180K
R217
3.3u50
C219
+
3.3u50
C221
+
R219 1.8K
330K R221 R223 22K
1800P
C215
1u50
C21
1
+
R209
4.7K
3.3u50
C245
+
C216 1800P
22K
R222
C220 3.3u50
+
470P C228
R200
C233
0.022
LA05 4.7u50
+
C428
10K
R241
10K
R240
10K
R239
C213
R417 1/2W
150
100u16
C431
+
220u16
C426
+
C224 1000P
4.7K
R230
68K
R236 C226
+
3.3u50
1000P
C223 4.7K
R225
4.7K
R229
C440A 47u16
+
220
R215
R420 1M R419 1M
C434 47P C435 47P
4.7K
R421 R422
4.7K
R418 560 1/4W
C235 0.022
2.2K
R244
0.022
C236
3300P
C245A
1K
R242
R243 10K
R238 12K
R237 2.2K
2.2u50
C237A
+
R256 27K
C230 0.015
R233 220
1/4W
47K
4.7K
R235
C231 0.01
27K
R232
C232 4700P
R231 10
0.47u50
C433
+
0.47u50
C436 +
47K
R426
47K
R425
0.47u50
C437 +
330K R428 220P C438
1u50
C439
+
47u16
C440
+
470
R433
4.7K
R429
R432 47K
R407B
20K
+
C439D 1u50
100P C447
4.7K R441
R443 47K
C445 100P
R440 4.7K
100P C446
2.2u50
C456
+
2.2K
R444
4.3K
R273
SFR201
2K
C249
0.1
1K
R247
R249
1K
10u50
C425
+
220P
C425A
1K
R251
+
220u16
C239
C240
220u16
+
C601B 0.022
1
2
3
4
4
3 2 1
LEVEL
METER L
T
APE LINE MUTE
CANCER
A
OR B
DUBBING REC MUTE BIAS REC
MOT
VCC
SOL
A
SOL
B
STS MUTE
0.47u50
C432
+
REC BEA
T
10K
R234
47u16
C234
22u16
+
L201
2700P
1K
R430
100K
R427
1/4W
Q201-206
1/4W
1
680P
C201
150
R205
R227
68K 3.3u50
+
C225
Q214,216
680P
C204
220P
C206
3.3u50
C246
+
R226 1M
1/4W
4.7u50
C427
+
LA08
10K
R410
0.47u50
C413 +
0.47u50
C412 +
LA02
LA01
IC401
C423 C422
0.1
C248
C444 100P
R442 47K
C415 C417 C421 C419 C420 C418 C416 C414
C400Y
R445 2.2K
2.2u50
LA10
C441
+
LA12
C247
220u16
+
10K
R252
10K
R250
10K
R248
+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 +B +B
+B
+B
+B
+B
+B
1/4W
R452 330
+B
+B +B
+B
+B
+B +B
+B
+B
+B
+B
P72 P68 P70
P69
P67
P71
P73 P23 P54 P66 P65 P92
P3 P5
P1
P88 P87
P4
P93 P86
B
+B
3
2
1
1
2
5
4
3
2
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
A-HALF SW
A-MODE SW
A-PHOTO OUT
A-SOL.
GND
NC.
VCC 12V
MOTOR H
MOTOR L
B-HALF SW
B-MODE SW
B-PHOTO OUT
B-SOL.
NC.
REC SW(FWD)
REC SW(RVS)
NC.
H
L
470
+
+
R705A
1K
C708 0.022
22 1/4W
R702F
47u10
C709
+
47u10
C710
+
1/4W
IC401
IC201
CASSETTE DECK
MECHA. ASS'Y
MAIN PCB
A
2/5
TUNER
-CN101
B
D
C
RXD-302(K) PCBSD2,2( 99.6.18 0:11 PM y [ W 8
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