Page 1
KS-FX915R/KS-FX815
SCHEMATIC DIAGRAMS
CASSETTE RECEIVER
KS-FX915R/KS-FX815
CD-ROM No.SML200102
KS-FX915R
KS-FX815
Difference point
KS-FX915R
KS-FX815
Contents
DISPDISP
TP TP
RDSRDS
PTYPTY
LOUDLOUD
DISPDISP
SCANSCAN
RDS
O
X
8 9 10 11 127
8 9 10 11 127
Dimmer
O
X
KS-FX915R
KS-FX815
Beep
O
X
MO
MO
DAB
LCD
Color
Nega
EE
Remocon
O
X
Area Suffix
Russian Federation
Block diagram 2-1
Standard schematic diagrams 2-3
Printed circuit boards 2-5
This schematic diagrams is printed on 100% recycled paper.
COPYRIGHT 2001 VICTOR COMPANY OF JAPAN, LTD.
No.49613SCH
Feb. 2001
Page 2
1
AB C
2
3
4
5
Block diagram
MAIN
MOTOR
SUB
MOTOR
SWITCH
PLAYBACK
HEAD
SUBMO+
SUBMO-
CJ403 CJ402
METAL
FWD_L
FWD_R
REV_L
REV_R
IC602
REMOCON
REMOCON
IC601
LCD
DRIVER
S1~S68
COM1~COM3
LCD
IC402
DRIVER
TAPEIN,MODE,REEL
MOTOR,STANDBY
IC401
EQ AMP
EN601
ENCODER
LCDCL,LCDCE,LCDDA
ENC1
ENC2
KEY0~KEY2
KEY
MATRIX
SUBMO+
SUBMO-
FF/REW
F/R
DOLBY
MSOUT
Lch,Rch
J1
ANT
CJ401
CN601
MUX
IC71
RDS
DETECTOR
CP401
TAPE_L,TAPE_R
CJ601
TU1
TUNER
PACK
TU_L
TU_R
EO,FM/AMOSC
IFC,MONO,SD/ST
IFREQ,S.METER
RDSCK
RDSDA
IC701
CPU
JBUS.SI
JBUS.SO
JBUS.IO
JBUS.INT
JBUS.SCK
IC801
J-BUS
CP801
CD-CH
IC161
E.VOL
EVOLCLK
EVOLDA
CH_L
CH_R
OUTLF
OUTLR
OUTRF
OUTRR
OUTLF
OUTLR
OUTRF
OUTRR
to
each
BLOCK
IC901
REG
CJ321
IC301
POWER
AMP
CP901
SPK
BATT
LINE
OUT
KS-FX915R/KS-FX815
2-1
Page 3
< MEMO >
2-2
Page 4
Standard schematic diagrams
Main amp section
TU1
5
J1
QNB0100-001
L1
4.7u
D5
D6
1SS133-T2
1SS133-T2
C43
C33
150P
R34
R44
C32
0.082
10V
10K
D706
MTZJ5.6B-T2
STANDBY
TAPEIN
MODE
SUB02
SUB01
REEL
MS
DOLBY
FR
FFREW
MOTOR
10K
10K
D707
D708
MTZJ5.6B-T2
MTZJ5.6B-T2
1k
R31
R752
510
R703
R702
R701
D709
MTZJ5.6B-T2
J801
QNZ0095-001
2SC2412K/R/-X
2SC2412K/R/-X
SLR-56MC3F
LCDCE
LCDDA
LCDCK
R744
10K
D710
MTZJ5.6B-T2
R43
10k
R42
1k
Q41
REMOCON
0R0
0R0
0R0
C41
0.001
DIMOUT
Q42
S5V
D712
EC1
EC2
KEY2
KEY1
KEY0
R33
1k
R32
1.5K
C31
0.082
2SC3661-X
2SC3661-X
R748
Q32
Q31
24K
Q701
2SC2412K/R/-X
4
3
CP401
QGB1214J1-18S
2
QNZ0007-002
R706
R705
R704
CJ601
D702
D701
MTZJ5.6B-T2
MTZJ5.6B-T2
D703
D704
MTZJ5.6B-T2
MTZJ5.6B-T2
D705
MTZJ5.6B-T2
1
0.47/50
1k
1k
C42
2.2/50
1.5k
R41
C1
100/16
R1
33
AMEO
FM/AM
FMEO
10V
9V
C77
47/16
C76
0.01
C75
47p
R73
X71
QAX0263-001Z
C74
82p
R750
47K
R59
470
C55
0.47/50
R807
100k
R808
100k
R809
100
CH.R
330k
R810
CH.L
2SA1037AK/RS/-X
R2
4.7k 47k
Q1
DTC114EKA-X
2.2k
2.2k
R72
RDSCK
R58
2SC2412K/R/-X
R806
C2
Q2
R3
IC71
SAA6579T-X
15K
Q52
2SC2412K/R/-X
R57
IC801
HD74HC126FP-X
KS-FX915R/KS-FX815
LA4743K
QNN0175-001
J321
C321
0.22
2.2/50
390p
C303
390p
C313
Q781
DTA114EKA-X
220/10
C982
10/16
390p
C304
390p
C314
Q782
DTA114EKA-X
C782
CRS03-W
D982
C322
0.22
100
100
1K
R341
R321
C301
R305
Q341
2SD1048/6-7/-X
Q321
10k
R902
CRS03-W
0.1
C981
D981
4.7/25
0.1
4.7/25
C305
C307
47k
R881
Q881
C881
DTC114EKA-X
2.2
C910
R352
1K
D783
Q351
R781
Q784
DTC114EKA-X
0.1/50
C905
R342
1K
R322
2SD1048/6-7/-X
4.7K
4.7K
R903
R301
27K
C308
C309
R302
2.2/50
27K
C318
R311
2.2/50
27K
R312
27K
2.2/50
1SS355-X
1SS355-X
D781
4.7K
D343
D323
MTZJ11C-T1
HA13164
R910
100/16
C906
R343
2.2k
R323
2.2k
2SD1048/6-7/-X
C781
100/16
IC901
C319
1K
RR
C5
1/50
C6
R12
0R0
C9
220/10
47p
C54
0.1
C53
10K
0.0047
10k
0.047
C3
D7
R55
R11
2SA1037AK/RS/-X
Q3
D3
D2
1SS355-X
R4
3.3k
C72
560P
C73
2.2/50
R71
2.2k
10K
Q51
R56
2.2K
R803
100
C801
0.047
R53
47K
R54
22K
R5
1SS355-X
0.022
C71
100K
R805
Q9
1SS355-X
47K
JBUSSI
JBUSSO
JBUSIO
JBUSSCK
22k
R804R802
330k
47k
SM
SK/ST
RDSDA
47K
Q53
DTC114EKA-X
R709
100k
R801
47K
MONO
TAPE.L
TAPE.R
C52
0.01
R60
DTC114EKA-X
SD/ST
R751
47K
SEEK/STOP
330P
C51
9V
EC1
EC2
KEY0
KEY1
KEY2
LCDCE
LCDDA
LCDCK
1/50
0.1/50
Q8
47p
0.018
0.018
C8
C81
C82
2SC2412K/R/-X
Q4
DTA114EKA-X
D4
1SS355-X
Q5
8.2
DTA114EKA-X
AFCK
FMOSC
SM
RDSDA
RDSCK
REMOCON
C708
C707
27P
C706
27P
C705
C704
R81
10K
R82
10K
C7
Q7
4.7k
R8
4.7k
R9
Q10
0.1
DTA114EKA-X
C4
C164
R162
1/50
0R0
TAPE.L
0R0
R164
0R0
R163
R161
C163
0R0
MODE
47k
47k
R733
R732
QAX0406-002Z
R726
MOTOR
47k
R734
MTZJ5.6B-T2
R728
R727
C162
C161
S702
DIMOUT
R730
QSW0451-001
MS
47k
R735
S703
1/50
1/50
2.2/50
C711
SUB01
SUB02
47k
47k
R737
R736
D711
4.7k
4.7k
4.7k
TAPE.R
TU.R
CH.R
C710
ACCDET
C709
0.1
R731
10k
0.1
X701
0.1
100/6.3
2SC2412K/R/-X
4.7k
R10
QSW0451-001
POWER
DIMIN
STANDBY
47k
R738
390
S701
TELMUTE
R729
47K
R749
100
R718
R719
R720
R721
R722
R723
R724
R725
Q6
PCNT
22k
R83
2SC2412K/R/-X
100k
R739
TU.R
TU.L
820P
820P
22k
C83
C84
R84
R168
TU.L
C165
1/50
C167
47/16
MUTE
10k
10k
10k
10k
10k
4.7k
4.7k
4.7k
2.2K
CH.L
22K
R167
C166
2.2/50
C168
TEA6320T-X
100/16
47k
R747
C173
C172
0.15
0.0082
C178
0.0056
C176
0.033
C174
0.22
IC161
C171
0.22
C175
0.033
0.15
2.2K
47K
R741
4.7k
R716
JBUSSI
C177
0.0056
R169
220K
1SS355-X
220K
R170
R742
REEL
4.7k
4.7k
R715
R714
JBUSSCK
JBUSSO
1SS355-X
56K
R743
FR
SCL
SDA
DOLBY
Q841
R841
1k
C841
0.1/50
C169
C170
0.0082
22K
R165
R166
47k
47k
R740
R746
STAGE0
FFREW
TAPEIN
IC701
4.7k
R717
JBUSIO
C181
C183
270
R173
R172
C184
C182
10
C179
D161
D162
47k
R171
0.082
C180
100/16
47k
R745
9V
R707
4.7K
R708
4.7K
R712
47K
C701
0.001
R713
SEEK/STOP
10k
C244
R842
2.2K
BZ841
0.22/50
QAN0009-001Z
DTC114EKA-X
RL
R351
R331
100
FR
FL
4.7/50
FL
4.7/50
4.7/50
4.7/50
STAGE0
RL
SDA
PCNT
DIMIN
SCL
270
9V
RR
FR
MUTE
LMETER
Q976
UN2211-X
POWER
R976
ACCDET
9V
10V
PCNT
SD/ST
47K
R711
FMEO
AMEO
C702
FMOSC
0.1
TELMUTE
1SS355-X
68K
0.001
C713
LMETER
C243
D242
0.047
D241
1SS355-X
22/16
FM/AM
MONO
AFCK
SK/ST
R247
100K
Q241
2SD601A/R/-X
C242
B903
330P
C714
R243
12k
100
R245
1K
R246
0R0
Q977
2SA1037AK/RS/-X
47u
L903
L902
C703
220/10
R242
180K
C241
1/50
22K
R244
R307R6R308
47K
27K
R977
R978
47u
R241
R306
R309
47K
47K
47K
12K
47K
2SA1706/ST/-T
Q904
2SA1037AK/RS/-X
R891
47K
D891
Q891
UN2211-X
R908 R909
DTC114EKA-X
R892
1SS355-X
C891
1SS355-X
1SS355-X
0R0
B904
Q902
47k
DTC114EKA-X
2.2k
Q903
1K
1SS355-X
D892
0.1
100
1K
R907
1K
R906
R353
2.2K
R333
2.2K
2SD1048/6-7/-X
C909
D902
D903
2200/6.3
R332
Q331
R782
47K
D782
1SS355-X
1SS355-X
1SS355-X
1SS355-X
R905
10k
18k
1/50
220/10
C907
C908
R904
D353
D333
47k
Q901
22/16
47/16
C302
C327
0.1
C306
R882
4.7K
C882
0.1
22/16
0.047
C904
2200/16
C903
1N5401-TU-15
D901
L901
QQR0703-001
10/16
0.047
C901
C902
TUNER SIGNAL
TAPE SIGNAL
CD CHANGER SIGNAL
FRONT SIGNAL
REAR SIGNAL
IC301
0.10.1
150P
C911
47
R901
CP901
QNZ0112-001
C323C324
0.1
C325C326
0.1
AB C D E F G
2-3
Page 5
KS-FX915R/KS-FX815
Mecha control section
Q403
2SB1322/RS/-T
5
47K
R423
3.3K
R422
DSK10C-T1
390
CJ403
QGF1219F1-10S
4
R401
0.015
C411
24K
R410
12K
R411
33K
VR402
D402
18K
0.1
0.10.1
C413C412
R413
C417
Q402
DTC114EKA-X
Q401
100P
C408
C409
100P
22/16
100P
C407
C406
180 180
IC401
R406 R407
R417
R418
15K
10K
3
100P
CJ402
100P
C401
100K
R402
100P
C402
100K
R403
100P
C403
100K
R404
100P
C404
100K
R405
2
C405
0.015
C410
R408
24K
R409
12K
33K
VR401
22/16
C414
100
R412
0.1
220P
C418
C416
QGB1214K1-18S
CJ401
3.9K
R414
0.47/50
C419
22K
0.01
C421
R415
DTC114EKA-X
R416
910K
0.1
C422
3.3K
R420
IC402
LB1641
D401
MA3047/H/-X
3.3K
R424
10/16
C423
C425
0.01
0.1
C424
33
R425
1
TAPE SIGNAL
2-4
HAB C DE FG
Page 6
LCD & Key control section
5
4
KS-FX915R/KS-FX815
QNZ0449-001
COM3S3COM2
S26
S51
S50
S49
S57
S56
S55
S54
S53
S52
S63
S62
S61
S60
S59
S58
S48
S47
S46
S45
S44
S43
S42
S41
S40
S39
S38
S37
S36
S35
S34
S33
S32
S31
S30
S29
S28
S27
3
S14
S10
S11
S12
S13
S15
S16
S17
S18
S19
S20
S21
S22
S23
S24
S25
R601R602R603R604R605
2
R611
2.7K
S613
S620
R617
3.9K
R614R615R616
1.2K1.8K2.7K
S617S618S619
8208201.2K1.8K2.7K
S608
R606R607R609 R608
R612
S615
S601S602
8208201.8K 1.2K
S607
D601
B601B602B603
S614
SML-310LT/MN/-X
R620
470( 1/8W)
820
S603S604S605S606
S609S610S611
R613
820
S616
R621
270( 1/8W)
D602
D603
D604
R622
270( 1/8W)
QNZ0450-001
R623
270( 1/8W)
D605
D606
D607
R624
D608
D609
D610
390( 1/8W)
S64
D611
D612
S65
R625
430( 1/8W)
COM1
S68
S67
S66
IC602
RPM6938-SV4
CN601
R661
R662
R663
3.3K
3.3K
3.3K
QNZ0006-001
R657
10K
REMOCON
ACC5V
ACC5V
10V
R658
C606
4.7/6.3
47
ENC1
ENC2
LCDCE
LCDDA
LCDCL
KEY2
KEY1
DIMMER
GND
S44
S45
S46
S19
S20
S21
S22 S43
D657
UDZD6.58-X
S42S63
S41 KEY0
S40
S39
S38
S37
S36
S35
S34
S33
S32
S31
S30
S29
S28
S27
S26
S25
S24
S23
R626
D628
D614
D615
270( 1/8W)
S2S1S3S4S5S6S7S8S9
R627
D616D618
D617
LCD1
390( 1/8W)
R628
D619
D620
560( 1/8W)
D629
D622
D623
R629
510( 1/8W)
D621
R630
510( 1/8W)
D613
D624
B604
R641
470( 1/8W)
D641
NSPW310BS/BRS/
R642
470( 1/8W)
D642
NSPW310BS/BQ/
EN601
QSW0928-001
R643
470( 1/8W)
D643
NSPW310BS/BRS/
R650
470( 1/8W)
Q641
2SB815/7/-X
Q642
100
R646
UN2211
R644
1K( 1/8W)
R652
R651
47K
47K
ACC5V
R645
ENC2
ENC1
KEY1
KEY2
KEY0
10V
LCDCE
LCDCL
LCDDA
47K
D654
1SS355-X
1SS355-X
D653
1SS355-X
1SS355-X
D658 D659
R653
1K( 1/8W)
D656
1SS355-X
D655
1SS355-X
R655
R654
220
D651
UDZS5.1B-X
330K
R656
R669
10K
390K
1SS355-X
C601
4.7/6.3
C604
D652
0.01220P
C602C603
R670 R671
10K 10K
C605
0.22
S64
S65
S66
S67
S68
COM1
COM2
COM3
0.22
S1
S62
IC601
LC75873NW
S2
S4S5S6S7S8S9S10
S11
S12
S13
S14
S15
S16
S17
S18
S47
S48
S49
S50
S51
S52
S53
S54
S55
S56
S57
S58
S59
S60
S61
1
AB CD E F G
2-5
Page 7
Printed circuit boards
Main board
5
KS-FX915R/KS-FX815
Front board
(
Front side)
D641
D624
S608
EN601
R611
R629
R643
D612
D642
D643
D611
C601
IC602
S605
D618
S615
D617
S609
D616
D605
S616
R642
C602
R609
R655
R641
R671
C603
R656
R614
S617
D606
R615
C604
C605
R670
80
1
20
T1A
GEB10013A
D607
S618 S619
R616
61
60
21
D608
S620
R617
41
IC601
40
D609
R654
R661
R662
R663
CN601
15
D619
D610
S610
S601
R653
D651
C606
R613
R612
D641
D642
D643
LCD1
D620
S611
D657
R626
R627
R658
R657
R608
1
R622
R621
D621
S604
S602
IC602
R624
B604
D628
D614
D615
R625
R623
R651R652
D629
S613
R605
R604
S1B
D623
D622
S606
S603
R628
R620
R630
D601
R606
B601
B602
S614
D613
B603
S607
D602
D603
D604
Front board
(Reverse side)
Q641
R644
R646
R645
Q642
R603
R669
D656
D659
D658
D654
D653
R607
R602
R650
D652
R601
D655
Q701
R748
R173
IC901
R910
L-CH
TP01
R162
R164
TP02
R-CH
R161
R172
R707
R708
IC701
61
C708
C707
R803
R804
D712
R714
R717
R805
1
R808
14
R806
T1A
J1
4
L1
D5
D6
C8
3
R11
C51
R54
C52
C53
R56
Q51
R57
Q52
C710
2
J321
C321
RL
R341
Q341
R342
R352
R322
R343
R353
TU1
C32
1
R32
B901
R34
C33
Q32
Q31
Q3
C3
10
C2
C82
C81
R55
Q53
D3
R5
R12
C9
15
C43
C6
B911
R81
C84
20
C5
B803
R53
R84
R721
C54
C71
Q9
R58
R60
R8
R59
R722
C55
S702
FL
R321
R351
Q351
Q331
R323
D353
D343
C31
R33
D1
R43
R42
R31
C42
B801
C41
R41
B902
R4
R44
D2
D7
B804
B807
R9
R83
C83
R82
Q6
Q10
C4
R711
R741
Q5
D4
C73
C7
Q8
C77
Q4
R810
R809
D711
S703
R749
R716
Q321
Q41
C162
R10
J801
C322
R331R332
C906
R333
C1
D333
D323
B920
R1
B810
Q1
Q42
R2
R3
R6
Q7
C702
C165
R710
C701
R713
R740
R734
R751
C72
R747
R732
R733
R738
R73
C74
X71
C75
Q11
R746
1
3
2
8
7
4
6
5
2
1
CP401
B802
Q2
C161
C166
C714
C703
B805
R743
C76
IC71
21
R712
41
R736
R742
R735
R745
R737
R72
R71
1
16
IC801
R750
C163
R802
R715
R807
C801
C713
R801
R730
1
1
C905
2
C904
R902
R903
R904
Q901
R752
B955
C907
C164
R167
R168
16
IC161
17
C167
R170
R169
D161
D162
Q241
R241
C168
R729
R246
C705
C706
C704
D710
R744
B816
R163
1
X701
L901
D901
R901
R905
R907
C982
Q902
R728
C241
C242
D705
R718
C172
C183
R719
D242
C173
R165
C169
R702
C174
R727
R703
C176
Q891
B806
R247
R726
C901
C178
C181
B930
1
32
R720
D706
R906
B904
C908
R245
C244
R739
D704
R701
D241
D707
C180
D891
C243
D708
C184
R166
R724
D982
C182
R243
R171
D709
R725
R244
R242
D892
C902
C882
R312
C170
C881
C891
R891
Q881
9
R306
C171
C179
5
R302
C309
C319
R892
C175
R881
R782
R723
13
R303
C177
Q904
R704
CP901
C303
Q903
1
D701
R781
R309
D783
R308
B903
10
Q781
R705
R882
3
2
7
C981
C910
14
15
11
R314
C314
R313
R307
C318
R311
R301
R909
D903
R908
Q976
R977
Q977
R976
C781
D781
C782
Q782
D782
R709
D702
D703
R706
C841
1
CJ601
12
C308
C302
C903
R841
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D981
C313
R305
D902
C304
Q784
C911
8
R304
18
17
4
19
16
R731
C709
C909
R842
BZ841
C327
C326
C306
25
C323
24
C324
C325
C301
C307
R978
L903
L902
C711
IC301
2
1
C305
S701
1
2-6
HAB C DE FG
Page 8
KS-FX915R/KS-FX815
VICTOR COMPANY OF JAPAN, LIMITED
MOBILE ELECTRONICS DIVISION
PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1Chome,Ohwatari-machi,Maebashi-city,Japan
(No.49613SCH)
Printed in Japan
200102(V)
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