SA SA AK18 Service Manual
GHI J KL M
7
.
Ref No Loc.
.
.
D604
1
2
3
4
5
6
H602A/W602A
7
8
S628
ECO_MODE
S638
POWER
D605
D605
D610
D617
D627
D628
D629
D633
J631
J905
R642
R622
J901
J900
D634
D635
D636
D637
D638
R634
S621
R639
S625
D604
D639
D641
D642
PLAY/REC
CLK/TIMER
D637
R914
R940
R939
D642
R952
R915
C
EB
R967
R934
Q608
E
C
B
Q607
Q609
J603
D647
J638
D633
D634
C661
C652
C664
R919
R973
CP606
23456789101112131415161718
C653
J989
1
C656
J681
J694
J695
L604
D635
D639
C662
C658
C
J690
J696
J972
40
45
49
R907
R966
R945
1912345
R920
R916
53
R964
R949
C
EB
Q606
R931
C659
C
EB
C651
R918
C654
R946
R941
J689
D641
D644
J991
J969
J970
J968
R908
R903
01
R906
R913
R905
R698
R909
31
30
C639
38
37
36
35
924
C643
C644
J976
J981
CP605
6
J988
J982
C901
J678
J983
R917
C646
C670
C645
R954
C900
J978
X600
R948
J687
Q605
C663
C657
X601
R947
C902
D617
J967
R972
J628
D638
EB
J621
J601
R955
R970
16
IC603
R929
J611
R923
R933
R924
R911
C647
Q903
C
R971
C
C
Q902
C667
C655
D645
R944
EB
R969
R679
C668
CN600
EB
EB
9
81
R942
R912
R930
J664
J665
J666
J667
J668
J688
9
8
7
6
5
4
3
D640
2
1
Q901
J949
R943
J948
J610
J925
J933
J935
J936
J622
J623
R958
R957
R956
R900
R927
C648
C669
R959
C611
C649
R928
16
IC601
1
C614
C613
J656
R960
J659
C650
J651
J699
R658
R662
J602
J629
C671
J693
J698
J652
J971
J947
9
8
R663
J609
R647
J910
R677
J906
J686
J624
H601/W601
6
5
4
3
2
1
R645
J648
D643
D644
D646
IC600
IC601
IC603
JK600
L600
L601
L602
L603
L604
No
K4
K2
A7
I5
F9
F9
G7
I5
I5
I5
D6
I4
I6
I5
H7
H7
B4
H7
G7
G6
J6
I5
B9
C9
C8
C8
E7
I4
.
RefNo Loc.No
.
Q602
Q605
Q606
Q607
Q608
Q609
Q610
Q611
Q901
Q902
Q903
X600
X601
Z602
.
E8
H5
I5
I6
H6
H6
D5
D5
I9
I9
I8
H5
H6
C5
ABCDEFG
1
POWER P.C.B. (REPX0204C)
L
FRONT
SPEAKERS
Ref No Loc.
.
.
Q500
Q501
Q502
Q503
Q504
Q505
Q507
Q508
Q509
Q510
Q511
IC500
IC501
J567
J582
D510
3
C557
J568
J584
RL500
J537
C522
J585
C555
D522
J575
R53
C548
J540
R529
J583
J539
D508
4
R520
J542
J556
J588
J559
J570
D521
J569
J557
C531
J589
J541
Q509
C552
D516
C530
C542
C544
C543
EB
D513
J558
C537
R552
R553
D511
C524
R550
EB
C527
R509
Q503
C539
C550
R548
R549
R551
C
R517
R539
C529
R534
R554
C
C505
C518
C514
R532
R533
C517
C520
J590
R538
EB
C
Q504
C538
C535
C534
C533
J545
R535
R555
C523
C525
E
C
Q510
B
C509
D504
D506
R515
C536
R544
C541
C510
R504
R513
R508
R518
R523
R522
C519
R525
R542
Q505
EB
C
EB
Q507
C528
R528
R527
J546
D520
D519
C512
R524
C513
R505
R526
J576
C
R511
C506
C511
J547
IC500
J586
D514
J577
IC501
C508
14
13
12
11
10
9
8
7
6
5
4
3
2
1
R547
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
2
2
E500
C556
C553
1
2
10
11
12
CP501
3
4
5
6
7
8
9
3
C554
R501
Q502
EB
C
R502
EB
C
Q500
R500
R503
C500
C501
R506
4
C545
J551
J550
R543
J531
Q508
E
C
Q511
B
CP500
R556
R540
R541
D502
D501
D500
J532
R516
EB
C
R510
D503
E
C
B
J560
J554
C521
C502
R507
D512
J571
C546
6
5
J587
J578
D507
5
J552
6
1
2
3
4
5
7
6
7
8
9
10
11
12
8
Q501
C503
1
JK500
C549
J574
R545
J535
J555
J591
D509
J592
J561
J563
J565
J564
L502
R558
R557
L501
J580
J579
J572
R536
J566
C540
R546
J562
4
3
2
1
J581
J594
J593
C551
D515
H500/W500
12345678
J536
C547
B4
A8
B3
D3
D5
D5
D5
B6
D8
D7
B6
D4
D6
No
.
9
ABCDEFG
1
SUB-TRANSFORMER P.C.B. (REPX0203G...E/EG)
N
(REPX0203H...EB)
2
JK500
AC IN
230...E/EG
230V-240V...EB
3
50HZ
J504
J503
J502
J501
4
5
L500
Z501
FC1
FC2
F1 250V T1.0A
W2
BLK
W1
YEL
1
2
CAUTION
RISK OF ELECTRIC SHOCK
AC VOLTAGE LINE. PLEASE DO NOT
TOUCH THIS PCB.
5
4
3
1
2
3
W500
6
7
8
9
ABCDEFG
1
TACT SWITCH (1) P.C.B.
O
(REPX0197J)
TACT SWITCH (2) P.C.B.
D
(REPX0197J)
1234567
2
R654
R660
R657
D611
R656
D612
D613
D614
R653
R649
R644
R638
R631
R655
R617
R613
3
4
5
6
DISC1
EJECT1
DISC2
EJECT2
DISC3
EJECT3
DISC4
EJECT4
8
H602B/W602B
S636
S635
S633
S630
S627
S623
S617
S613
987654321
S637
J634
S611
S608
S605
TAPE
R610
CD
R607
TUNER
CP600
FM MODE / BP
R633
S620
TUNE DOWN
R640
S629
S603
R605
R624
R608
TUNE MODE
D1 EJECT
S606
TAPE EDIT
S609
REC/STOP
R611
R659
DISC5
S610
7
R661
D615
S607
EJECT5
R609
R606
S602
R641
AUX
R648
R603
S634
TUNE UP
R652
8
S632
S604
CD MANAGER
MEMORY
S612
R616
D2 EJECT
REV
S616
9
ABCDEFG
1
2
3
4
5
6
DECK P.C.B (REPX0198A)
Q1007
C
C1018
B
R1051
Q1014
J1067
C1026
C
R1007
J1066
J1065
J1064
J1063
R1049
C1053
J1056
Q1016
E
B
C1014
L1001
BCE
C
R1074
C1058
C1060
Q1006
C1016
E
Q1004
C1048
C1049
R1052
J1057
J1048
B
C1013
C1050
R1050
R1085
J1055
E
B
C
E
D1004
C
EB
Q1005
J1054
R1084
R1045
B
E
C
Q1012
J1053
R1053
R1054
Q1015
R1087
C1051
C1055
R1058
R1069
R1070
5
8
R1077
R1072
C1065
J1047
J1052
D1003
C1011
J1049
R1067
R1046
R1047
C
C1047
BCE
IC1003
D1002
C1057
J1045
C1010
E
B
R1048
J1073
R1056
C1052
J1050
R1059
C1056
R1073
4
1
R1081
R1068
R1086
J1044
Q1013
C1063
C1008
3
1
C1039
R1055
R1078
R1083
R1082
R1003
J1043
9
78
6
5
CP1001
234
1
R1037
BCEBCE
Q1011
J1085
J1083
J1084
J1082
Z1001
R1012
R1014
R1040
J1079
J1078
J1077
J1081
34567 7654321
2
1
J1076
J1075
R1008
R1036
Q1010
Z1002
J1074
R1011
R1013
C1017
J1068
B
R1004
J1040
4
6
L1002
R1057
R1030
J1042
R1032
C1038
C1034
J1041
C1043
R1029
R1015
C1036
C1030
C1012
R1018
C1032
C1054
C
Q1024
EB
C
J1038
J1039
R1090
C1015
Q1003
13
24
R1098
E
C1007
C1002
J1034
C1064
R1006
C1001
J1032
R1097
J1026
1
R1026
J1030
C1046
IC1001
J1019
J1029
J1025
J1024
J1023
R1031
12
1
C1042
R1035
R1019
C1027
C1023
C1020
R1009
J1022
J1021
Q1001
IC1004
432
R1005
R1039
J1013
C1031
C1040
C
EB
5
C1009
J1014
J1011
C1045
J1018
J1087
C1037
C1033
R1016
C1021
R1010
R1017
C1022
C1019
J1091
C1003
R1038
C1035
R1022
J1088
C1041
R1028
C1006
J1012
C1044
J1010
J1008
J1092
CS1001
J1009
5
3
1
J1089
4
2
J1090
Ref. No. Loc. No.
Q1001
Q1003
Q1004
Q1005
Q1006
Q1007
Q1008
Q1009
Q1010
Q1011
Q1012
Q1013
Q1014
Q1015
Q1016
Q1017
Q1018
Q1019
Q1020
Q1021
Q1022
Q1023
Q1024
IC1001
IC1002
IC1003
D2
C2
B2
C2
C2
B1
B7
B7
B3
B3
C3
C3
B3
C3
B4
C8
D8
D8
C9
C9
B9
D7
C5
D4
C9
B5
Z1001 B5
7
J1086
R1027
R1020
CP1002
8
9
R1024
C
C
123456789
Q1008
Q1009
E
E
B
B
8
CN1001
4567
3
2
1
J1080
J1072
J1069
J1071
C
R1026
J1062
J1070
R1065
J1060
J1059
J1061
R1066
J1058
E
B
Q1022
9
16
R1062
-
+
1
2
J1051
IC1002
J1046
W1002
8
1
C1062
C1061
R1076
C1059
R1080
Q1023
Q1017
Q1020
C
R1095
C
R1075
BCE
R1060
R1079
R1063
C
R1061
EB
C
Q1018
EB
J1036
J1035
E
R1093
R1094
B
R1091
E
R1092
R1096
B
Q1021
R1089
R1088
J1031
R1064
C
EB
Q1019
98765
10
J1017
J1028
J1015
J1016
H1001/W1001
2
4
3
XX
R1001
CS1002
X
1
3
15
TP12
TP11
TP3
4
2
XX
TP4
TP10
Z1002 B4
ABCDEFG
1
AC TRANSFORMER P.C.B. (REPX0203G...E/EG)
M
RL502
4
D978
J505
3
D979
C978
D985
2
C984
D981
R983
3
B
C
E
Q977
R978
R984
C981
CN502
C980
D982
R985
Q978
E
123456
R976
R980
R981
B
C
J506
4
D977
D986
D980
1
2
W1
1
2
W500
3
YEL
W2
BLK
B
C
Q975
E
R988
CN501
T501 (POWER TRANSFORMER)
R979
12345678
12 91110
PRIMARY
2345678
1
230V
230V-240V
SECONDARY
CAUTION
RISK OF ELECTRIC SHOCK
AC VOLTAGE LINE. PLEASE DO NOT
TOUCH THIS PCB.
5
AC TRANSFORMER P.C.B. (REPX0203H...EB)
M
D978
J505
D979
C978
D985
RL502
4
3
D977
D986
D980
1
2
W1
1
2
W500
3
YEL
W2
BLK
B
C
Q975
E
R988
CN501
6
7
R984
B
C
E
Q977
C981
R978
8
CN502
C980
R983
D982
R985
Q978
E
123456
D981
C
R981
B
J506
C984
R976
R980
T501 (POWER TRANSFORMER)
R979
12345678
12 91110
PRIMARY
2345678
1
230V
230V-240V
SECONDARY
CAUTION
9
RISK OF ELECTRIC SHOCK
AC VOLTAGE LINE. PLEASE DO NOT
TOUCH THIS PCB.
ABCDEFG
1
TUNER P.C.B. (REPX0215B)
P
MAIN P.C.B. (REP0200D)
B
FM EXT
ANTENNA
JK101
2
Z120 (TUNER PACK)
1
J100
2
3
R111
R114
R113
C125
J125
4
5
C111
R115
R128
C130
C134
C112
D101
J110
C133
X103
R137
20
C110
J101
1
R136
C132
R116
C101
IC102
R135
R134
J126
R151
R133
3
4
5
6
7
8
R129
10
R117
11
C124
R138
J132
R110
J129
J102
R105
CF201
J128
J121
R127
R132
J107
R130
J106
C122
1
C102
3
2
1
C104
R152
R104R103
J113
R122
2
6
547
C148
J119
C123
J116
J114
J112
J108
C113
C141
C121
GND
J111
C103
C147
C117
C118
Q101
C129
C137
R141
6
R345
D316
1
J262
Q350
2
3
4
5
6
7
J220
10
12
14
CN309
8
8
D312
J211
R349
7
J255
9
J253
11
J257
J252
13
C236
J207
J344
CN302
J392
EB
C
J362
J294
R454
J401
1617181920212223242526
J301
J361
J264
J202
R350
BCE
Q351
J360
Q352
9
AM LOOP
ANTENNA
AM EXT ANT
34
L101
J136
Z101
9
A
3
CA
C108
7
A
R112
C107
J130
R106
C105
B
B
J127
C
E
R107
J124
4
5
3
C149
X102
R124
12 1
C
E
Q102
6
C126
R126
C106
J115
IC101
13
C119
C131
C139
R102
C116
C142
R123
R143
C138
C120
C144
R145
R146
R142
C143
R347
R346
J346
R354
R359
R355
R358
J345
J358
J359
J357
J293
J375
E
Q311
BCE
B
C
D309
R317
123456789101112131415
J203
J201
J250
D306
Z102
Z102
J404
1
2
R125
2
1
24
R121
R351
R353
R109
R108
J134
J133
J131
Q106
EB
C
C127
C109
J120
R118
J117
J118
CF202
J109
C115
J312
J339
J314
J292
D313
J335
L102
1
2
3
J313
J291
R120
C301
R300
J123
J122
R131
C114
J104
C300
J337
C136
C331
CN101B
R119
CN102B
J221
J336
J261
J422
1
2
3
4
5
6
1
2
3
4
5
6
J298
J363
J200
J296
J260
R303
C
J268
R316
Q307
J305
J290
R313
E
B
1
2
3
4
5
6
1
2
3
4
5
6
J299
J297
J218
R210
CP302
J232
CP301
J213
CN303
AUX
RCH
C201
J389
C419
J384
R305
64
IC303
R408
R411
24
R416
C422
R417
J380
J372
C418
C420
J280
C202
R202
R412
J333
J377
J311
LCH
C305
C306
C423
25
R418
R452
J231
C207
R310
D302
C421
R325
R453
R212
C204
R208
R209
R301
C316
C315
C314
D311
C401
C208
5678910
C209
R456
C407
J352
J278
C210
C211
R455
C313
J341
J230
J228
C212
C214
C215
41
40
C220
C221
C222
R324
J259
J258
J256
J254
C218
C312
C308
C216
R323
1234
C213
C217
C329
J251
C317
R216
R217
C228
C227
J240
R321
R233
J382
J310
J308
R327
R322
R433
R307
J379
J226
J205
J275
R226
C225
R413
R215
J378
J343
C237
C318
R222
C224
C224
J229
C242
5
IC302
3
41
C229
R225
C226
R223
C426
Q200
E
R221
C233
C238
R220
R236
R219
R218
C424
R213
J364
R415
J276
J209
J212
J334
J385
J331
C442
C437
C320
8
76
2
C230
R224
R423
R326
Q400
E
B
R420
C
C433
R228
EB
C
R419
C223
C
J295
J263
J210
D308
D314
J329
C428
R422
C
Q201
EB
J219
R426
B
R361
C438
J208
R424
C430
Q309
J300
J233
J206
R425
R428
C429
C425
R421
R436
J234
J239
BCE
B
C
E
R448
C427
R312
J386
J330
R248
R449
R249
J328
J430
C432
C232
Q306
Q401
J279
J383
CN300
10
11
12
J340
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
10
11
12
CN301
JK305
J235
J435
J408
J407
J406
R302
R344
R409
J371
R410
J306
C404
80
R306
C307
R309
J420
J271
1
R211
R207
R308
R304
C415
C413
BCE
J387
R401
C402
R402
C408
C411
J217
J327
C414
J390
J370
C410
C409
J376
J374
J373
J225
65
C412
C416
C417
J381
J405
R201
J388
C304
R407
J242
CN304
J309
J307
J227
J224
J391
J267
J304
J303
J222
J302
Q304
J214
D307
J434
2134567891011121314151617181920
J204
SCHEMATIC DIAGRAM-1
: + B Line
CD SERVO CIRCUIT
: CD Signal Line
OPTICAL PICKUP
CIRCUIT
LASER DIODE
6
8
11
12
4
9
10
5
2
3
3
2
1
4
AIN
BIN
VCC
GND
VREF
NBOUT
GND
NAOUT
8
5
6
7
TRACKING
COIL
FOCUS
COIL
PLAY
0.6V
0.5us. 0.2V/DIV
C714
6.3V100
PLAY
2ms 0.1V/DIV
C712
C711
P-P
3.2V
1.6V
1.6V
1.6V
PDF
PDE
VCC
TBAL
VREF
FBAL
26
28
27
25
1.6V
1.6V
1.6V
1.6V
0.1V
P-P
0.1
0.1
R708
22K
R707
39K
C747
180P
R744
120K
C749
2200P
C701
6.3V33
R701
4.7
Q701
2.7V
((2.3V))
Q701
2SA1037AKSTX
LASER POWER
DRIVE
IC701
AN8839NSBE2
SERVO AMP
CN701
VCC
1
1
PDF
2
2
PDE
3
3
LD
4
4
LD GND
5
5
GND
6
6
NB
7
7
GND
(GUARD)
8
8
NA
9
9
VREF
10
10
LPD
11
11
GND
(GUARD)
12
12
T-
13
13
T+
14
14
F-
15
15
F+
16
16
3.2V
C713
0.1
C750
0.1
C751
0.9V
((2V))
0.1
PDA
FEN
29
1.6V
24
1.6V
((0.2V))
0V
LPD
PDB
IC701
FEOUT
23
1.6V
C710
120P
C742
0.027
R706
1K
2.3V))
(
(
2.7V
7654321
LD
TEN
TEOUT
22
1.6V
10K
R702
J
RF
C702
((1.4V))
0.9V
21
R705
R704
1K
RF
NC
701
0.1
150K
0.7V
98
20 19
RFIN
NC
C706 2700P
1.9V
CSBRT
ENV
1.6V
C703
6.3V100
C704
0.1
0.027
C707
1.6V
121110
CEA
NC
18
17
0V
0V
13
BDO
OFTR
16
((3.1V))
0V
14
LDON
PDOWN
15
GND
/RFDET
0V
((3.2V))
PLAY
2ms 0.1V/DIV
42
0.6V
P-P
33
IC703
AN8739SBE2
FOCUS COIL/
TRACKING COIL/
TRAVERSE MOTOR/
SPINDLE MOTOR DRIVE
10V220
36
38
C735
0.1
C734
3.3V
((3V))
3.3V
((3V))
16
15
D3-
D3+
D2+
D2-
13
14
3.3V
3.3V
((3.5V))
C737
M702
TRV MOTOR
M701
SP MOTOR
3.3V
((3.5V))
17
12
3.7V
((3.3V))
0.1
M
C736
0.1
M
D4-
D1+
3.3V
181119
3.7V
D4+
D1-
10
((4.1V))
7.3V
7.3V
7.3V
7.3V
21
20
2
NC
GND
PGND2
PVCC
IC703
GND
PVCC1
NC
PGND1
9
8
35
23
22
NC
NC
6
7
1.6V
24
IN4
VCC
VREF
IN1
PC2NCIN2
NC
5254263272 1
))
0V
3.2V
1.6V
((
R735
100
R724
15K
1.6V
1.6V
1.6V
1.6V
28
NC
IN3
RSTIN
1.6V
/RST
C715
2700P
R725
390
R715
1K
R727
3.9K
R736
100
R729
3.9K
C739
1500P
R728
3.9K
C752
1500P
R749
4.7K
C738
0.01
37
R723
6.8K
R731
6.8K
SCHEMATIC DIAGRAM-2
: + B Line
: CD Signal Line
18
X701
16.9344 MHz
C722
10P
82K
R711
F=16.9344MHz
C744
0.1
C717
C716
820P
R714
C721
10P
R709
0
68K
8200P
1.6V
P-P
C718
0.22
R712
220
R741
47K
R742
220K
C723
10V220
C724
0.1
3.2V
1.5V
1.5V
3.2V
0.5V
1.6V
1.6V
1V
1.6V
1.5V
((3.2V))
C754
470P
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
VDD
X2
X1
VSS
SBCK
SUBC
VCOF2
PCK
EFM
AVSS2
AVDD2
VCOF
PLLF
DSLF
DRF
IREF
ARF
WVEL
DSLF2
PLLF2
0V
61
IN
40
OUT
62
BYTCK
/CLDCK
LDON
BDO
39
0V
R721
100
68
64
63
FCLK
IPFLAG
F=16.9344MHz
IC702
MN662790RSC
SERVO PROCESSOR
DIGITAL SIGNAL PROCESSOR/
DIGITAL FILTER/
D/A CONVERTER
0.5us 0.2V/DIV
TRCRS
/RFDET
38 37 36 35
((0V))
3.2V
65
66
FLAG
PLAY
OFT
0V
69
67
CRC
CLVS
DEMPH
0.7V
P-P
0.6V
P-P
TE
RFENV
VDET
34 33 32 31 30
1.6V
1.6V
1.6V
3.2V
70
RESY
FE
1.6V
C731
6.3V220
C730
0.1
3.2V
71
/TEST
IOSEL
PLAY
T = 13.3ms
TBAL
1.6V
2.9V
1.5V
72
73
OUTL
AVDD1
PLAY
F=75Hz
FOD
VREF
FBAL
29 28 27 26
1.6V
1.6V
1.5V
74
75 76 777879
OUTR
AVSS1
3.2V
0V
PLAY
T = 13.3ms
...3.2V
0V
TRD
KICK
1.6V
2.9V
3.2V
RSEL
...3.2V
0V
ECS
25 24 23
1.6V
1.6V
R717
1K
R718
1K
PLAY
1KHz, 0dB
C732
6.3V220
PSEL
IOVDD
PC
ECM
((0V))
3.2V
3.2V
80
SSEL
MSEL
BCLK
LRCK
SRDATA
DVDD1
DVSS1
MCLK
MDATA
MLD
SENSE
/FLOCK
/TLOCK
BLKCK
SQCK
SUBQ
DMUTE
STAT
/RST
SMCK
CSEL
TVD
21
22
1.6V
2.2V
P-P
TX
TRV
2ms 0.1V/DIV
C733
0.1
1
2
3
3.2V
4
5
1.6V
6
3.2V
7
0.5V
8
3.2V
9
10
11
12
0V
13
0V ((0.2V))
14
3.2V ((3.1V))
15
16
0V ((3.1V))
17
3.1V
18
19
20
PLAY
2ms 0.1V/DIV
PLAY
21
10
PLAY
T = 13.3ms.
0V
22
...3.2V
23
0V
REST SW
S701
CN702
Lch OUT
19
A.GND
18
Rch OUT
17
+3.3V
16
D.GND
15
LD SW
14
TX
13
+7.5V
12
P.GND
11
MCLK
10
M DATA
9
MLD
8
(SPEED)
7
BLKCK
6
SQCK
5
SUBQ
4
STAT
3
/RST
2
REST SW
1
7
6
4
3
TO
PANEL
CIRCUIT
(CP606) ON
(SCHEMATIC
DIAGRAM-7
1
C727
50V1
C725
1000P
C726
1000P
C728
50V1
C743
0.1
C753
470P
17
11
12
10
8
9
R753
C745
1000P
PLAY
0.1V
P-P
3.2V
T = 13.3ms.
0.4V
P-P
702
(Vref)
J
15
16
L
R
L
R
HEADR/P
E HEAD
SCHEMATIC DIAGRAM-8
DECK CIRCUIT
1 MECAHEADP.B
CS1001
1
1
2
2
3
3
4
4
5
5
3
CS1002
2
MECA
1
1
2
2
3
3
4
5
4
5
R1001
1
+
C1002
50V2.2
Q1001
<<22.9V>>
0V
<<0.2V>>
<<0V>>
C1001
Q1001
2SC2784FTA
SWITCHING
(BEAT PROOF)
11
12
C1003
1500P
C1007
0V
0V
R1003
0.01
4
<<11.3V>>
C1006
50V
4700P
<<0V>>
0V
<<0V>>
10K
0V
1SS355TE17
IC1004
BA7755A
R/P SELECT
H=OFF
VCC
8.5V
0V
1K
R1026
R1005
22
RLQB470JTD-D
6
5
4
L1002
7L1A62N
0V
<<0.7V>>
Q1003
D1003
BP1
Q1003
2SD2144STA
SWITCHING
(REC;ON)
: +B Line : Playback Signal Line : Record Signal Line
R1055
2.2K
R1032
10K
10V33
4.7M
R1029
0V
0V
<<0V>>
<<9.4V>>
16
17
R
P
P
R
R
LOGIC
REC/PB
P
8
9
3.4V
<<9.5V>>0V<<3.4V>>
C1041
16V10
R1030
R1031
C1042
16V22
IC1001
AN7348STA-E1
P.B EQ/REC AMP/
ALC/TPS AMP
Q1008~Q1011
KTC3875GRTA
INTERFACE
ADIN7
0.5V
0V
R1027
100K
4
6 8 9753
GND
ADIN7
STBY_5V
PHOTO_T
S971
HALF
MODE
R973
39K
R1098
47K
C1044
C1043
50V4.7
0V
15
NOR/Cro &
HI/LO LOGIC
10
<<3.3V>>
C1045
100
27K
VREF_GND
<<0V>>
14
RIPPLE
REJECTION
11
9.2V
10V22
R1035
10K
0.1V
0.2V
PHOTO_S
<<9V>>
Q1020,Q1021
KTD1304TA
FILTER AMP
-44dB
R1038
4.7K
15V
0V
<<0.1V>>
<<14.8V>>
13
12
0V
<<0V>>
MECHAGND
PHOTO1
R1037
0.7V
100K
Q1010
R1036
47
1
STBY_5V
AD_OUT
2
RECINH_F
3
4
MODE
5
RECINH_R
HALF
6
7
VREF_GND
Z971
EXBF7L355SYV
C1046
10V220
0.1V
R1039
R1090
C1012
1000P
-69.5dB
-69.5dB
IC1004
0V
<<0V>>
<<1.3V>>0V<<4.9V>>
4.7K
10V47
C1009
L1001
1
2
3
R1004
1.5K
D1004
C1008
UDZTE173R6B
50V1
R1006
1K
-69.5dB
-69.5dB
C1015
1000P
R1009
18K
L
53 421
0V
R
<<0V>>
R1010
18K
14.2V
<<13.9V>>
Q1004
0V
<<0.4V>>
C1011
0.047
4.7
R1007
Q1005
14.2V
C1010
<<14V>>
25V100
R1008
22K
0V
<<0V>>
Q1006
Q1006
DTC144TKA146
BIAS OSC CONTROL
(METAL/CR02)
C1019
1000P
C1021
470P
C1014
1000P
<<1.3V>>
0V
<<0.6V>>
C1013
1000P
47K
0V
<<0V>>
C1020
470P
L
R
C1022
1000P
0V
<<0.6V>>
2200P
C1016
R1011
10K
0V
<<4.8V>>
24
1
0V
1000P
C1023
C1017
<<0.6V>>
A
R1017
R1015
47
C1030
10V100
0V
0V
<<0V>>
<<0V>>
23
PB AMP (L)
PB AMP (R)
B
2
0V
0.6V
<<1.3V>>
C1031
1000P
C1027
R1016
R1012
4.7K
C1018
0.01
R1013
4.7K
0V
<<0.7V>>
2200P
0V
0V
<<0V>>
Q1007
0.6V
0V
CrO2
D971
MA165TA
820
R972
IC971
ON2180RLC1
PHOTO INTERRUPTER
8.2K
C1032
0.018
0.6V
22
3
<<0.6V>>
10V100
C1033
0.018
47
REC HREC H
R1014
4.7K
PL
C
1038
220P
3.9K
R1018
8.3V
<<8.2V>>
<<0.6V>>
21
Â+
IC1001
+
-
4
8.4V
7.5V
<<8.2V>>
<<7.4V>>
3.9K
C1035
R1019
50V3.3
Q1004,Q1005
2SD2144STA
BIAS OSC
(PLAY;ON)
Q1007
KTC3875GRTA
BIAS OSC CONTROL
C1026
6.3V47
PHOTO2
S975
C1034
50V3.3
C1036
0.033
7.4V
<<7.3V>>
20
LOGIC
5
2.7V
R1022
10K
Q1009
Q1008
R1020
47
CP1002
CS971
S974
RECINH_F
C1040
0V
0.3V
<<10.2V>>
19
18
ALC
A/B
6
7
<<2.7V>>0V<<0.1V>>
50V3.3
C1037
C1039
R1028
8.2K
0.6V
0V
D2_CRO2
R1024
56K
1 2
1 2 4 6 8 9753
S973
CRO2
RECINH_R
16V10
<<0V>>
5.6V
220P
PL2
PL
S972
R1096
15K
330
MODE1
D1_CRO2
Q1011
0.2V
R1040
56K
1 2
MODE
1 2 4 6 8 9753
S951
IC951
ON2180RLC1
PHOTO INTERRUPTER
100K
CRO2
R1095
PL1
PL
S953
Q1020
100K
0V
<<0V>>
0V <<0V>>
R1084
2.2K
0.7V
<<0.7V>>
R1047
1K
<<0V>>
R1048
1K
R1086
2.2K
0.7V
<<0.7V>>
<<0V>>
Q1013
Q1012,Q1013
KTD1304TA
MUTING
HALF1
4
6 8 9753
GND
HALF
PHOTO_T
S952
R1093
0V
<<0V>>
0V
<<0V>>
0V
Q1012
0V
<<0V>>
0V
VREF-
VREF+
STBY_5V
VREF_GND
276mV / CLA
R1094
1K
0.7V
<<0.7V>>
Q1021
1K
C1048
50V1
R1045
C1047
50V1
R1046
100K
CP1001
PHOTO_S
CS951
PL
330
R952
R1091
2.2K
R1092
2.2K
5V
R1049
<<5V>>
1M
0.2V
<<0.2V>>
0V
<<0V>>
C1049
1000P
100K
Q1014
R1050
1M
1.3V
<<1.3V>>
R1052
C1050
220
1000P
-44dB
Q1014,Q1015
2SC2412KT96R
BUFFER AMP
Q1017
Q1017
2SD965RTA
MOTOR DRIVE
D951
MA165TA
2.7K
R953
R1051
220
C1051
50V1
R1053
680
R1054
11.7V
<<11.7V>>
0.7V
<<0.7V>>
Q1015
0V
MECHANISM (DECK 2)
CIRCUIT
MECHANISM (DECK 1)
CIRCUIT
680
C1052
50V1
GND
C1053
0.9V
C1054
50V3.3
R1085
47K
10V220
R1087
47K
R1060
390
0.2V
R1056
220
9V
12
12
W1002
R1057
2.2K
R1088
R1089
22K
22K
R1058
2.7K
9.1V
9V
8.5V
10K
R1059
Q1016
DTA114EKA146
SWITCHING DMT
C1064
50V3.3
R1097
47K
DECK_1[HI]
Q1018
0V
8.6V
0V
Q1019
1.8V
<<1.8V>>
C1055
<<0V>>
REC_H
Q1016
DMT
50V0.1
0V
PB_LCH
PB_RCH
R1065
R1061
R1062
R1063
R1064
<<2V>>
1K
2.7
2.7
1K
1K
2V
R1066
PL2
R1067
15K
R1068
15K
1K
PL1
Q1018
KTA12710YTA
SELENOID DRIVE
(DECK 2)
R1069
6.8K
C1056
0.01
R1070
10K
R1071
10K
MOTOR
0V
<<4.8V>>
5V
<<0.2V>>
BP1
Q1019
KTA12710YTA
SELENOID DRIVE
(DECK 1)
R1073
VREF+
10K
Q1022
C1057
50V3.3
6.8K
<<0V>>
ADIN5
5V
<<5V>>
10K
R1072
330
7.5V
7.5V
<<7.4V>>
<<7.4V>>
6
5
IC1003
4
3
0V
Z1001
RGSD12A1445T
TPS
D1_CRO2
5V
R1074
82K
C1058
0V
47P
7.5V
<<7.4V>>
7
2
2.3V
<<2.2V>>
D2_CRO2
Q1023
15V
7.6V
<<7.4V>>
5V
C1060
4700P
<<14.8V>>
8
1
1.3V
<<1.3V>>
653 421
0.2V
<<1.9V>>
<<3.4V>>
R1077
39K
R1078
6.8K
0.01
C1065
D1002
1SS355TE17
7
VREF-
Q1022
DTA114EKA146
SWITCHING
(REC;ON)
Q1023
DTA114EKA146
MOTOR DRIVE
0V
<<0.2V>>
8
7
BP1
DMT
BP2
1H
10 11 12
9
0.2V
5V
1
VREF+
6
DOLBY
REC
0.1V
<<0.2V>>
IC1003
BA4558FE2
BUFFER AMP
Q1024
2SD2144STA
TPS DRIVE
R1081
1K
C1063
0.1
Z1002
RGSD12A1445T
3 4
2
ADIN6
HALF1
0V
4
5
TAPE
HI SP
IC1002
CRO2
1M
14
13
0V
10V
<<0V>>
<<0.1V>>
R1082
39K
R1083
8.2K
MODE1
C1059
100P
0V
<<0V>>
3
CLK
2PL
10V
<<10V>>
0V
5
PHOTO1
R1075
2.2K
R1076
100P
C1061
0V
<<0V>>
<<0V>>
2 1
GND
DATA
VCC
1PL
16
15
5.1V
<<10V>>
<<5.1V>>
IC1002
BU2090AF-E2
(I/O EXPANDER)
Q1024
14.2V
6
PHOTO2
2.2K
7
VREF-
0V
C1062
H1001/W1001
PBOUTL
10
PBOUTR
9
AFGND
8
RECINL
7
RECINR
6
+B
5
DIG GND
4
MO+B
3
MO GND
2
MECHA GND
1
TPS
CN1001
Vref[+]
8
ADIN7
7
ADIN6
6
ADIN5
5
4.7K
R1079
R1080
4.7K
0.1
4
3
2
1
Vref[-]
MKCLK
MKDATA
5V
(+15V)
TO
PANEL
CIRCUIT
(H600/W600) ON
(SCHEMATIC
DIAGRAM-7
TO
MAIN CIRCUIT
(CN304) ON
(SCHEMATIC
DIAGRAM-5
SCHEMATIC DIAGRAM-5
: +B Line : Main Signal Line
: -B Line
MAIN CIRCUIT
: Playback Signal Line
: AUX Signal Line : CD Signal Line
: FM/AM Signal Line
: Record Signal Line
TO
TUNER CIRCUIT
(CN101B)ON
SCHEMATIC
DIAGRAM-4
TO
TUNER CIRCUIT
(CN102B)ON
SCHEMATIC
DIAGRAM-4
TO
PANEL
CIRCUIT
(CP605) ON
SCHEMATIC
DIAGRAM-7
TO
DECK
CIRCUIT
(H1001/W1001)
ON SCHEMATIC
DIAGRAM-8
AUX
CP302
TGND
15V
DO/ST3
SD2
7.5V
CP301
LCH2
PLLDA2
DO/SD2
PLLCK2
A GND
CDDGND
CD3.3V
CD7.5V
+7.5V
MIC G
CHG_AD1
CHG_AD2
SPCLK
SPDATA
MUTEA
PCONT
LVL1/VBASS
CN304
+14V
MO+B
MOGND
MECA.G
JK305
RCH
CE2
CN303
CDL
CDR
PGND
PBL
PBR
AGND
RECL
RECR
DGND
R401
10K
Lch
Rch
1
2
3
4
5
6
1
2
3
4
DO/ST
5
6
1
2
3
4
5
6
7
8
9
MIC
10
11
12
SD
13
14
15
16
CD
17
18
19
20
10
9
8
7
6
5
4
3
2
1
C201
C401
R201
10K
CE
112mA
75-700mA
3.9K
C402
R402
100P
100P
3.9K
100P
C202
100P
R202
CLA=276mV
R209
47K
R409
47K
ST_DO
CD3.3V
CD7.5V
+7.5V
CHG_AD1
CHG_AD2
SPCLK
SPDATA
MUTEA
PCONT
MO10V
SD
+7.5V
PLLCE
PLLDA
PLLCK
CDL
CDR
MIC
SD
LVL1
PBL
PBR
15V
TP302
TUNERL
30%MOD=120mV
R207
1.5K
CLA=215mV
PBR
10K
C204
220P
R208
CLA=276mV
TP301
R407
1.5K
PBL
15V
CD
10K
C404
220P
R408
CDR
CDL
RCH
LCH
1000P
R210
1K
R410
1K
R454
10K
R300
4.7K
C301
SPEANA
R233
R307
220K
10K
R433
220K
MIC=1.3V
CD0dB=1.58V
C305
R301
0V((0V))
1500P
22K
R305
10K
0V((0V))
<0V>
65
R302
C306
18K
50V0.1
66
0V((0V))
<0V>
67
0V((0V))
<0V>
68
0V((0V))
<0V>
69
70
0V((0V))
80mV
<0V>
71
-7.5V((-7.5V))
<-7.5V>
72
0V((0V))
<0V>
73
C304
0V((0V))
10V330
<0V>
74
75
0V((0V))
<0V>
76
0V((0V))
<0V>
77
0V((0V))
<0V>
78
79
0V((0V))
<0V>
80
R308
3.3K
0V((0V))
10
R303
R412
R212
4.7K
4.7K
R211
2.2K
<0V>
R306
1.2K
R344
R309
10K
3.3K
0V
0.1V
((0.1V))
<0V>
((0V))
<0.1V>
0V
Q304
((0V))
<0V>
-7.0V
R411
2.2K
MIC
R310
C308
1K
0.047
C207
50V1
<0V>
BPIN
BPOUT
IN2F VIDEO/MD
IN2E TUNER
IN2D TAPE PB
IN2C CD
IN2B EXTIN
IN2A PHONO/AUX
AVSS
AGND
IN1A PHONO/AUX
IN1B EXTIN
IN1C CD
IN1D TAPE PB
IN1E TUNER
IN1F VIDEO/MD
DELIN
PS-IN
1
R304
22K
0V((0V))
0V((0V))
<0V>
<0V>
6364 6162 5960 5758 5556 54 5253 5051 464849 47 4445 43 4142
KIN2
MICIN
KOUT2
REC2A
COMOUT2
EXT REC2
TAPE REC2
COMOUT1 TAPE REC1
REC1A EXT REC1
PS+IN
KIN1
KOUT1
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
<0V>
<0V>
0V((0V))
0V((0V))
50V1
C407
C307
1000P
D311
1SS355TE17
Q304
KTC3875GRTA
SWITCHING
(LEVEL 3DAI)
C208
0.056
0V((0V))
<0V>
DPL2
REC2B
VCR REC2
IC303
IC303
M62433AFP
AUDIO IC
DPL1
REC1B VCR REC1
<0V>
<0V>
0V((0V))
0V((0V))
C408
0.056
CLA=480mV
R213
39K
CD-0dB=1.58V
20mV
30.6mV
R215
1K
C209
50V0.15
0V((0V))
<0V>
<0V>
0V((0V))
C409
50V0.15
0V((0V))
<0V>
<0V>
0V((0V))
C210
0.022
0V((0V))
0V((0V))
C410
0.022
<0V>
<0V>
C211
0.039
0V((0V))
<0V>
<0V>
0V((0V))
C411
R413
39K
R415
1K
0.039
0V((0V))
<0V>
<0V>
0V((0V))
C212
C412
0.022
0V((0V))
<0V>
<0V>
0V((0V))
0.022
C213
3300P
0V((0V))
<0V>
<0V>
0V((0V))
C413
0V((0V))
0V((0V))
3300P
C214
2200P
0V((0V))
<0V>
AUX SENS 263mV
AUX SENS 263mV BUFOUT1
<0V>
<0V>
0V((0V))
C414
2200P
<0V>
C215
2700P
0V((0V))
<0V>
<0V>
0V((0V))
C415
C216
0V((0V))
2700P
1500P
<0V>
<0V>
0V((0V))
C217
0.033
0V((0V))
0V((0V))
<0V>
VOLIN2
GEQOUT2
PLLCE PORTB
AI3D PORTA
GEQOUT1
<0V>
0V((0V))
0V((0V))
C417
0.033
C416
1500P
0V((0V))
<0V>
VOLOUT2
BUFIN2
BUFNF2
BUFOUT2
BUFNF1
BUFIN1
VOLIN1
VOLOUT1
<0V>
0V((0V))
<0V>
AVDD
DGND
LATCH
DATA
DVDD
<0V>
50V0.15
0V((0V))
CLK
C418
50V0.15
<0V>
C218
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
0V((0V))
<0V>
0V((0V))
<0V>
0V((0V))
<0V>
0V((0V))
<0V>
7.6V((7.6V))
<7.6V>
0V((0V))
<0V>
5V((5V))
<5V>
0V((0V))
<0V>
0V((0V))
<0V>
5.2V((5.2V))
<5.2V>
0V((7.5V))
<7.5V>
0V((0V))
<0V>
0V((0V))
<0V>
0V((0V))
<0V>
0V((0V))
<0V>
0V((0V))
<0V>
C220
1000P
C420
1000P
50V22
R218
3.3K
R418
3.3K
50V22
C223
C222
470P
R216
5.6K
R416
0.056
C423
40mA
+7.5V
R321
2.7
C312
0.1
R217
68K
C221
0.056
R456
4.7K
R453
4.7K
C421
0.068
C422
470P
R417
68K
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