Page 1
KS-FX925R
SCHEMATIC DIAGRAMS
CASSETTE RECEIVER
KS-FX925R
CD-ROM No.SML200205
SOUND
ATT
U
SOURCE
R
D
VOL
Contents
F
VOL
EQ
DAB
TAP
E
Area Suffix
EE --------- Russian Federation
Block diagram
Standard schematic diagrams
Printed circuit boards
COPYRIGHT 2002 VICTOR COMPANY OF JAPAN, LTD.
2-1
2-3
2-6 7
No.49742SCH
May. 2002
Page 2
1
AB C
2
3
4
5
Block diagram
SUB
MOTOR
SWITCH
TAPE END.STANDBY
MAIN
MOTOR
HEAD
2-1
TO CD CHANGER
J801 CP901
SCK
SI/SO
IC801
CHANGER CONTROL
HD74HC126FP-X
JBUS SI
JBUS SO
JBUS I/O
J1
AM
FM
JBUS SCK
TU1
AM/FM TUNER PACK
QAU0222-001
COMP OUT
IC71
SEEK/STOP
RDS DETECTOR
SAA6579T-X
Tuner.Power AMP.Changer/System Controller
CD RCH
CD LCH
SD/ST
SMETER
TO SPEAKER
CONNECTOR TO REAR LINE OUT
J321
L/R F
L/R R
IC301
POWER AMP.
LA47505
OUT LR
OUT RR
OUT LF
OUT RF
IC161
E.VOLUME
TEA6320T-X
TUNER L/R
TAPE L/R
IC701
SYSTEM CONTROL MICON
UPD178018AGC-624
RDSDA
RDSCK
FRONT L/R
REAR L/R
F/R
MODE
STANDBY
FF/REW
MOTOR
SUBMO
TAPE IN
DOLBY
MS
REEL
KEY 0 – 2
CP401
CJ601
CN403
MOTOR
TAPE IN
MODE
STANDBY
TAPE END
REEL
DOLBY
F/R
MS
LCH
RCH
FF/REW
SUBMO+
CN401
SUBMO-
IC602
REMOTE SENSOR
RPM7138-V4
REMOCON
LCDDA
LCDCK
LCDCE
CN601
CN402
LCH
RCH
METAL
IC401
PB EQ
CXA2560Q
IC402
DC MOTOR DRIVER
LB1641
MECHANISM CONTROL
LCD1
QNZ0450-001
S1 – S68
COM1 – COM3
IC601
LCD DRIVER
LC75873NW
KEY
S601
–
S617
LCD DRIVER/KEY SWITCH CIRCUT
KS-FX925R
Page 3
Standard schematic diagrams
Main amp section
TU1
QAU0221-001
5
J1
QNB0100-002
L1
4.7u
D5
D6
1SS133-T2
1SS133-T2
C33
C43
150P
1k
R34
R44
R33
1k
R32
1.5k
C31
0.012
2SC3661-X
4
Q32
Q31
2SC3661-X
R748
68k
Q701
2SC2412K/R/-X
R43
10k
C32
R42
1k
0.056
C41
0.001
2SC2412K/R/-X
Q42
1k
Q41
R31
2SC2412K/R/-X
S5V
10V
STANDBY
TAPEIN
MODE
SUB02
SUB01
3
REEL
MSOUT
DOLBY
F/R
FF/REW
MOTOR
CP401
QGB1214J1-18S
R706
2
D703
D702
D701
MTZJ5.6B-T2
MTZJ5.6B-T2
MTZJ5.6B-T2
1
SLR-56MC3F
R752
D712
510
10K
R705
R704
D705
D704
MTZJ5.6B-T2
MTZJ5.6B-T2
REMOCON
10K
ENC2
10K
ENC1
LCDCE
LCDDA
R703
0R0
LCDCK
R702
0R0
KEY2
R701
0R0
KEY1
KEY0
R744
10K
DIMOUT
D710
D706
D707
D708
D709
MTZJ5.6B-T2
MTZJ5.6B-T2
MTZJ5.6B-T2
MTZJ5.6B-T2
MTZJ5.6B-T2
J801
QNZ0095-001
0.47/50
1k
C42
2.2/50
FMEO
9V
CH.R
CH.L
2SA1037AK/RS/-X
R2
1.5k
R41
AMEO
4.7k 47k
Q1
DTC114EKA-X
C1
100/16
R1
33
FM/AM
10V
C77
47/16
0.01
C76
C75
47p
R73
X71
2.2k
QAX0263-001Z
C74
2.2k
82p
R72
R750
SAA6579T-X
47K
RDSCK
R58
15K
R59
Q52
470
2SC2412K/R/-X
C55
0.47/50
R806
R807
100k
R808
100k
R809
100
330k
R810
IC801
HD74HC126FP-X
KS-FX925R
LA47503
IC301
47/16
J321
QNN0489-001
R301
27K
C308
2.2/50
RR
270
4.7/25
4.7/25
STAGE0
FM&AM_OSC
SK/ST
0.015
C244
RL
R351
R331
R352
R342
100
100
1K
FR
FL
2SA1855/RST/-T
Q904
R891
D353
1SS355-X
R353
2.2K
1SS355-X
R333
2.2K
D333
2SD1048/6-7/-X
0R0
B904
D902
D903
Q902
47k
R907
47k
1K
R906
R905
10k
Q901
DTC114EKA-X
R908 R909
2.2k
Q903
DTC114EKA-X
R892
47K
D891
1SS355-X
C891
C909
2200/6.3
1K
1SS355-X
D892
0.1
FL
RL
SDA
PCNT
DIMIN
SCL
9V
RR
FR
MUTE
LMETER
Q976
UN2211-X
MEMDET
R976
ACCDET
9V
10V
PCNT
S5V
SD/ST
47K
R711
FMEO
AMEO
C702
0.1
TELMUTE
FM/AM
MONO
AFCK
R247
1SS355-X
220k
0.047
C713
LMETER
C243
D242
0.047
D241
1SS355-X
22/16
R307R6R308
R306
R309
47K
47K
47K
47K
B903
0R0
27K
R977
12K
R978
Q977
2SA1037AK/RS/-X
100K
L903
L902
2SA1037AK/RS/-X
C703
220/10
330P
C714
R243
12k
R242
180K
Q241
C241
1/50
100
R245
2SD601A/R/-X
22K
R244
1K
R246
C242
Q891
UN2211-X
47K
R241
1K
1K
R322
R332
Q351
2SD1048/6-7/-X
Q331
R782
R781
4.7K
47K
Q784
DTC114EKA-X
D782
1SS355-X
D783
1SS355-X
1SS355-X
1SS355-X
0.1/50
18k
4.7K
1/50
220/10
C905
R904
C907
R903
C908
C5
1/50
C6
R12
0R0
220/10
C9
C2
47p
Q2
R3
IC71
C54
0.1
2SC2412K/R/-X
R57
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
Q9
22K
DTC114EKA-X
47k
R5
1SS355-X
1SS355-X
SK/ST
SMETER
MONO
SD/ST
SEEK/STOP
0.022
C71
R751
47K
RDSDA
TAPE.L
TAPE.R
R53
47K
C52
0.01
R60
47K
47K
330P
C51
Q53
R54
DTC114EKA-X
ENC2
ENC1
DIMOUT
47K
R709
REMOCON
BUSSI
BUSSO
BUSIO
KEY0
100K
R805
BUSSCK
KEY1
KEY2
22k
LCDCE
R804R802
LCDDA
LCDCK
330k
100k
R801
1/50
0.1/50
Q8
47p
0.015
0.015
C8
2SC2412K/R/-X
C81
C82
Q4
DTA114EKA-X
D4
1SS355-X
Q5
8.2
DTA114EKA-X
AFCK
FMOSC
9V
SM
RDSDA
RDSCK
C708
C707
27P
C706
27P
C705
C704
R81
12k
R82
12k
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
330P
C10
ACCDET
47k
R732
QAX0406-002Z
MODE
47k
R733
R726
MOTOR
47k
R734
MTZJ5.6B-T2
S703
R728
R727
C162
C161
S702
MSIN
47k
R735
R730
1/50
1/50
2.2/50
C711
QSW0451-001
SUBMO1
SUBMO2
47k
47k
R737
R736
D711
QSQ1A11-V06Z
4.7k
4.7k
4.7k
TAPE.R
TU.R
CH.R
C710
C709
0.1
R731
10k
0.1
X701
0.1
100/6.3
18k
Q6
R83
2SC2412K/R/-X
2SC2412K/R/-X
4.7k
R10
C165
100k
S701
R739
QSW0451-001
PCNT
DIMIN
MEMDET
TELMUTE
STANDBY
47k
R738
390
R729
47K
R749
100
R718
R719
R720
R721
R722
R723
R724
R725
TU.R
TU.L
18k
0.001
0.001
C83
C84
R84
R168
CH.L
C166
2.2/50
C168
MUTE
UPD178018AGC624
100/16
47k
R747
IC161
TEA6320T-X
47k
R746
2.2K
22K
R167
C172
0.15
C173
0.0082
C178
0.0056
C176
0.033
C174
0.22
C171
0.22
C175
0.033
C169
C170
0.0082
22K
R165
R166
47k
R740
STAGE0
FF/REW
TAPEIN
IC701
4.7k
R717
BUSIO
C177
0.15
0.0056
2.2K
220K
R169
R170
47K
R741
R742
REEL
4.7k
4.7k
4.7k
R716
R715
R714
BUSSCK
BUSSO
BUSSI
1SS355-X
220K
1SS355-X
56K
R743
SCL
SDA
F/R
DOLBY
Q841
R841
1k
C841
0.1/50
C181
4.7/25
4.7/25
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
R842
2.2K
BZ841
QAN0002-001Z
DTC114EKA-X
TU.L
1/50
C167
47/16
10k
10k
10k
10k
10k
4.7k
4.7k
4.7k
C309
R302
2.2/50
27K
R311
27K
R312
27K
1K
D343
1SS355-X
1SS355-X
D323
D781
4.7K
390p
390p
C303
C304
390p
390p
C318
2.2/50
C313
C314
2.2/50
C319
R343
2.2k
R323
2.2k
2SD1048/6-7/-X
Q781
C781
MTZJ11C-T2
100/16
DTA114EKA-X
DTA114EKA-X
C782
220/10
IC901
HA13164A
R910
CRS03-W
D982
C982
100/16
C906
10/16
C328
C321
0.22
C322
0.22
100
100
R341
R321
Q341
2SD1048/6-7/-X
Q321
Q782
10k
R902
CRS03-W
C981
D981
0.1
1K
C301
R305
0.1
4.7/25
4.7/25
C305
C307
47k
R881
Q881
C881
DTC114EKA-X
2.2
C910
22/16
C302
C327
0.1
C306
R882
4.7K
C882
0.1
22/16
0.047
C904
2200/16
C903
1N5401-F64
D901
L901
QQR0703-001
10/16
0.047
C901
C902
FRONT SIGNAL
REAR SIGNAL
TUNERSIGNAL
TAPE SIGNAL
CD CHANGER SIGNAL
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
C329
0.10.1
C323C324
150P
C911
0.1
C325C326
0.1
47
R901
QMFZ047-150-T
QAM0160-001
AB C D E F G
2-3
Page 4
Mecha control section
KS-FX925RKS-FX925R
5
680
CN403
QGF1219F1-10S
4
3
CN402
VMP3501-001
2
R401
100P
C401
100K
R402
100P
C402
100K
R403
100P
C403
100K
R404
100P
C404
100K
R405
C409
100P
100P
22/16
100P
100P
C408
C407
C406
C405
180 180
R406 R407
0.015
C411
0.015
C410
R408
R409
12K
24K
R410
R411
24K
12K
33K
VR402
33K
VR401
0.10.1
22/16
C414
18K
C413C412
R413
IC401
CXA2560Q
100
R412
0.1
C417
0.1
C416
220P
C418
R414
3.9K
0.47/50
C419
R417
10K
Q403
2SB1322/RS/-T
DSK10C-T1
D402
R418
15k
22K
R415
0.01
C421
R422
3.3K
Q402
DTC114EKA-X
R416
1.5M
0.1
C422
47K
R423
C415
0.01
IC402
LB1641
D401
MA3047/H/-X
3.3K
R424
10/16
C423
C425
0.01
0.1
C424
33
R425
CN401
QGB1214K1-18S
1
TAPE SIGNAL
2-4
HAB C DE FG
Page 5
KS-FX925R
LCD & key control section
5
S28
S27
S26
S31
S30
S29
S37
S36
S35
S34
S33
S32
S43
S41
S40
S39
S38
S42
S49
S48
S47
S46
S45
S44
S55
S54
S53
S52
S51
S50
S61
S60
S59
S58
S57
S56
S67
S66
S65
S64
S63
S62
S68
COM3
COM2
COM1
LCD1
4
S45
S17
RPM7138-V4
S43
S44
S18
S19
IC602
ACC5V
R660
10k
REMOCON
10V
S42
S20
S21
D659
S41
S40
S39
S38
S37
S36
S35
S34
S33
S32
S31
S30
S29
S28
S27
S26
S25
S24
S23
S22
R661
47
JOG-0
C606
4.7/6.3
UDZS5.6B-X
JOG-1
LCDCE
LCDDA
LCDCL
KEY2
KEY1
KEY0
R662
R663
R664
R631
0
CN601
QNZ0006-001
3.3k
3.3k
3.3k
IC601
LC75873NW
LCD1
QLD0217-001
S1
S25
S24
S23
S22
S21
S20
S19
S18
S17
S16
S15
S14
S13
S8
S12
S9
S10
S11
S2
S3
S4
S5S6S7
3
R601R602R603R604
S608
820820
S601
S602S603S604S605
D601
R606R607
8201.2k3.9k
R612R613R614
8201.2k1.8k
S615S616S617
S607
S614
R611
S606
820
S613
820
R621
SML-310LT/MN/-X
820
R620
820
910
910
820
R622
D602
D603
820
R624
R623
R625
R626
D606
510
510
510
510
820
R627
R628
R629
R630
R631
D612
D609
D613
D610
D607
D608
D611
D614
910
910
820
820
820
910
910
R633
R634
R632
D615
D616
820
R635
D617
R639
R636
R637
R638
D619
D618
D620
1.2k1.8k
R610
R609 R608 R605
2.7k
1.8k 820
S612
S609S610S611
2
S68
EN601
QSW0976-001
R650
R643
C608 C609
0.01 0.01
430
D643
NSPW310BS/B/
0
Q641
2SB815/7/-X
Q642
0
R680
820
R640
430
430
R642
R641
D642
D604
D605
D641
NSPW310BS/B/
NSPW310BS/B/
JOG0
JOG1
R652
47k
R651
47k
KEY1
KEY2
KEY0
10V
ACC5V
R644
470
1k
R646
UN2211-X
LCDCE
LCDCL
LCDDA
47k
R645
R653
R654
1k
220
D651
UDZS5.1B-X
330k
1SS355-X
1SS355-X
1SS355-X
D655
D654
D653
1SS355-X
1SS355-X
D656
D657
R656
1SS355-X
1SS355-X
R655
390k
D658
D652
C601
4.7/6.3
S62
S63
S64
S65
S66
S67
COM1
COM2
COM3
C602
0.01
220P
C603
R659R658R657
10k10k
10k
C605
C604
0.22
0.22
S1
S60
S61
S3
S2
S58
S59
S4S5S6S7S8S9S10
S52
S53
S54
S55
S56
S57
S46
S47
S48
S49
S50
S51
S11
S12
S13
S14
S15
S16
1
AB C D E F G
2-5
Page 6
KS-FX925R
VICTOR COMPANY OF JAPAN, LIMITED
MOBILE ELECTRONICS DIVISION
PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan
(No.49742SCH)
200205
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