Page 1
KS-FX845R
SCHEMATIC DIAGRAMS
CASSETTE RECEIVER
KS-FX845R
CD-ROM No.SML200306
Contents
Block diagram
Standard schematic diagrams
Printed circuit boards
R
5
84
X
F
-
S
K
2-1
2-2
2-5 to 7
Area Suffix
EE --------- Russian Federation
COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LTD.
No.49873SCH
2003/06
Page 2
KS-FX845R
Safety precaution
!
Burrs formed during molding may be left over on some parts of the chassis. Therefore,
pay attention to such burrs in the case of preforming repair of this system.
2-4
Page 3
Block diagram
5
KS-FX845R
SUB
MOTOR
SWITCH
TAPE END.STANDBY
MAIN
MOTOR
HEAD
CN403
4
TO CD CHANGER
J801 CN901
SCK
SI/SO
3
IC801
JVC BUS
CH.L
CH.R
JBUSINT
JBUSSI
JB
USSO
JBUSIO
2
J1
AM
FM
JBUSSCK
TO SPEAKER
CONNECTOR TO REAR LINE OUT
IC301
WER AMP
PO
OUTLR
OUTRR
OUTLF
OUTRF
IC161
E.VOLUME
LFOUT
LFOUT
LROUT+
LROUT-
+
-
.
OUTLR
OUTRR
OUTRF
OUTLF
TAPE.L
TAPE.R
IC31
TU.L
TU.R
PLL
PLLDA,PLLCL
PLLCE,PLLDI
J321
F/R
MODE
STANDBY
FF/REW
MOTOR
SUBMO
SUBMO
TAPEIN
DOLBY
REEL
+
-
CP401
CN401
MOTOR
TAPEIN
MODE
STANDBY
PHOTO
REEL
F/R
MSOUT
LCH
RCH
FF/REW
SUBMO+
SUBMO-
EN601
ENCODER
TU1
AM/FM TUNER PACK
SD/ST
SEEK/STOP
AFCK,MONO
FM/AM,SQ
Main amp section
1
IC701
CPU
KEY 0 – 2
CN601
CN701
ENC1,ENC2
LCDDA
LCDCL
LCDCE
CN402
SUBMO+
SUBMO-
REMOCON
IC601
LCD
DRIVER
FWD-L
FWD-R
REW-L
REW-R
IC401
PB EQ
IC402
DC MOTOR DRIVER
Head amp section
IC602
REMOCON
COM1 to COM3
S1 to S50
KEY MTRIX
S601 to S617
KEY0 to KEY2
LCP & Key control section
LCD1
AB CD E F G
2-1
Page 4
Standard schematic diagrams
Main amp section
TU1
QAU0293-001
L1
GND
QAX0616-001Z
IC31
TB2118F-X
C33
47/6.3
14V
47/6.3
C76
C75
47p
UDZS6.2B-X
UDZS6.2B-X
D706
D707
C37
10p
R42
C77
0.01
C74
82p
UDZS6.2B-X
D708
47k
R802
4.7u
1SS355-X
D1
C40
10/16
C46
C47
C48
C32
0.047
47p
10
SW5V
R71
X71
QAX0263-001Z
UDZS6.2B-X
C716
D709
R805
100k
R804
22k
R803
100
C38
1000p
0.047
C41
R43
470
UN2211-X
2.2k
R72
2.2k
C717
0.1
R38
0.01
C42
0.01
0.01
Q31
0.1
1SS355-X
D2
100
R40
C43
R44
220
C50
100p
0.01
220/10
C6
C8
C39
0.001
R39
0
39k
R41
3.9k
6800p
C45
0.047
C44
0.033
C49
0.001
100/10
C31
IC71
SAA6579T-X
REMOCON
ENC1
ENC2
LCDCE
LCDDA
LCDCL
KEY2
KEY1
KEY0
R806
IC801
HD74HC126FP-X
0.01
220/10
C1
C7
FM/AM
SD/ST
SQ
10k
J1
5
R37
R36
PLLCE
R35
PLLDA
R34
PLLCL
PLLDI
QNB0100-002
C36
7p
X31
C35
10p
2.2k
2.2k
2.2k
2.2k
4
R33
10k
R32
6.2K
C34
0.047
SW5V
9V
Q701
2SC2412K/R/-X
STANDBY
TAPEIN
MODE
SUBMO+
SUBMO-
REEL
MSIN
DOLBY
F/R
FF/REW
MOTOR
10V
68k
R718
CP401
QGB1214J1-18S
3
To
Head amp section
CN401
CN701
QNZ0605-001
2
To
LCD & Key control section
CN601
UDZS6.2B-X
UDZS6.2B-X
UDZS6.2B-X
UDZS6.2B-X
UDZS6.2B-X
D703
D701
D702
D704
D705
A.GND
CH.R
CH.L
B802
0
1
QNZ0095-001
B801
0
J801
C2
0.047
R9
68
2SB624/4/-X
R7
4.7K
10
R31
9V
C71
560p
C72
0.022
C73
2.2/50
220/10
C4
22p
C10
Q6
Q7
UN2211-X
R58
470
C55
0.47/50
C78
SI
R810
C801
0.047
0.01
C3
R6
47k
R57
15k
R56
10k
Q52
2SC2412K/R/-X
0.01
R765
R808
330
100
SO
R809
22k
TAPE.L
TAPE.R
510
R801
47k
D4
1SS355-X
C54
0.1
C53
0.0047
100
R74
2.2k
R73
A.GND
D718
SLR-56MC3F
SI
SO
I/O
R807
100k
INT
SCK
SCK
0.001
0.012
0.012
C94
C84
C95
Q5
2SB709A/R/-X
R4
3.3k
R54
10k
2.2k
R55
Q51
2SC2412K/R/-X
0.001
C85
R5
47k
D5
1SS355-X
R53
47k
C52
0.01
R52
47k
QGA2006F1-02
Q1
UN2211-X
C51
330P
SW5V
RDSDA
RDSCL
ACC5V
10V
MOTOR
FF/REW
F/R
DOLBY
MSIN
REEL
SUBMO-
SUBMO+
MODE
14V
CN702
KS-FX845R
1/50
C81
C91
1/50
C5
2SD601A/R/-X
1/50
C9
4.7/25
R3
4.7k
Q3
UN2111-X
UN2111-X
1SS355-X
R1
12
22k
R51
R760
R759
SM
ACC5V
MUTE
C706
0.047
VOLDA
VOLCL
R762
R761
47k
R713
47k
R712
47k
R711
C718
MONO
uPD784215AGC226
R717
R716
R715
47k
47k
47k
47k
R714
47k
47k
R709
R710
D712
0.01
SEEK/STOP
0
4.7K
4.7K
10K
47k
56K
47k
R708
R706
R707
D711
1SS355-X
UDZS6.2B-X
B18
0
AFCK
IC701
VDD
VPP
47k
R705
Q2
D84
R704
R703
47k
Q84
R2
2SD601A/R/-X
R93
4.7k
SW5V
R758
47k
47k
X1
STEERING
GND
9.1K
R81
9.1K
R91
Q91
C83
0.1
R8
10k
Q8
UN2211-X
47k
PCT
DIMIN
10k
1k
R721
R722
TAPEIN9VSTANDBY
C705
0.047
C92
33K
33K
0.0022
R95
R92
Q9
UN2111-X
R94
0R0
Q53
UN2211-X
VSS
PLLDI
PLLCL
TELMUTE
10M
R755
R702
1R0u
L702
C714
0.047
QAX0617-001Z QAX0401-001
Q81
2SD601A/R/-X
R83
4.7k
47k
R59
PLLDA
PLLCE
R754
X701
0
C704
8p
FM/AM
820
C703
27p
33K
33K
R85
R82
AFCK
SEEK/STOP
0
10k
R723
R724
47k
R701
X702
27p
C702
C82
0.0022
S702
QSW0451-001
10k
R725
2.2K
R719
STEERING
22p
C701
TU.R
TU.L
CH.L
TU.L
R162
TAPE.L
A.GND
TAPE.R
R161
TU.R
CH.R
A.GND
MONO
SD/ST
R729
47k
10k
10k
R726
R728
10k
10k
R750
R751
RDSDA
RDSCL
REMOCON
INT
47k
R753
ENC1
47k
R767
R756
47k
KS-FX845R
C166
C165
0R0
C164
IC161
TEA6320T-X
0R00R0
R164R163
C163
0R0
C162
C161
IC771
270
270
C771
0.047
R771
R772
R730
10k
R732
10k
10k
R733
2.2k
R734
2.2k
R735
2.2k
R736
0
R737
4.7k
R738
R739
4.7k
4.7k
R740
RD
TD
D714
UDZS5.6B-X
R741
10k
R742
10k
R743
10k
R744
10k
R745
10k
R746
10k
R720
22K
RESET
QSQ1A11-V06Z
R764
100
D713
UDZS5.6B-X
1SS355-X
IC-PST600M/G/-W
0.01
D710
C709
2.2/50
1/50
1/50
1/50
1/50
2.2/50
BR24C16F-X
R731
47k
S701
QSW0451-001
S703
IC702
C710
47/6.3
LCDCE
LCDCL
LCDDA
I/O
SCK
SO
SI
KEY2
KEY1
KEY0
ENC2
R747
R748
R749
R766
C167
47/16
BUZZER
LEVEL
4.7k
4.7k
4.7k
47k
SM
SQ
C245
0.22/50
C168
100/16
BUZZER
ACC5V
10V
9V
DIMIN
14V
PCT
TELMUTE
SW5V
R757
2.2k
R167
22K
C172
0.0082
C169
0.0082
CPU.VDD
R165
R249
220
C244
0.22
R168
2.2K
22K
2.2K
R166
C711
100/10
C713
0.01
C712
0.01
RB160M-30-X
D242
D241
R247
47k
C173
0.18
C174
0.22
C171
0.22
C170
0.18
L701
4.7u
C243
0.047
R245
1SS355-X
47
1k
R246
C176
C175
R891
47k
Q891
C242
22/16
2SD601A/R/-X
0.033
0.033
UN2211-X
R243
12k
R244
22k
Q241
R169 D161
220K 1SS355-X
R170
220K
C178
0.0056
C179
0.082
0.0056
C177
R892
1k
D892
1SS355-X
D891
C891
0.1
R242
180k
C241
1/50
R241
47k
D162
1SS355-X
C180
R978
0R0
0R0
R979
1SS355-X
R240
0
R171
100/16
9V
SW5V
R976
27k
R977
12k
IC901
HA13164A
10
C882
22/16
R881
47k
R248
D781
1SS355-X
C781
47/6.3
C909
2200/6.3
C181
C183
C184
C182
Q976
UN2211-X
Q977
2SA1037AK/RS/-X
Q881
UN2211-X
C881
0.1
4.7/25
4.7/25
D902
1SS355-X
C908
220/10
4.7/25
4.7/25
R882
4.7k
R999
270
R173
R172
MUTE
Q781
UN2111-X
D782
1SS355-X
UN2111-X
QAN0023-001Z
2SA1037AK/RS/-X
270
Q784
BZ841
R841
2.2K
D903
1SS355-X
UN2211-X
LEVEL
VOLDA
VOLCL
Q904
Q903
9V
IC301
LA4743K
R301
C308
27K
R302
27K
R352
D343
1SS355-X
D353
1SS355-X
D333
1SS355-X
D323
1SS355-X
R332
R322
C902
0.047
R311
R312
27K
27K
C309
0.22/50
C313
C318
0.22/50
R305
1K
R342
1K
R343
2.2k
R353
2.2k
R333
2.2k
R323
2.2k
1K
1K
R901
47
C901
10/16
RB160M-30-X
0.22/50
C303
390p
C319
0.22/50
390p
1K
390p
C304
390p
C314
Q351
2SD1781K/QR/-X
Q331
2SD1781K/QR/-X
100
R331
R321
C982
10/16
D982
B12
0
4.7/25
Q341
2SD1781K/QR/-X
Q321
2SD1781K/QR/-X
100
0.1
C981
J321
QNN0489-001
C328
0.47/25
C301
100
100
R341
R351
QQR0703-001
RB160M-30-X
2.2k
D981
CN901
C302
47/16
2.2/50
C307
0.047
C904
C903
2200/16
D901
1N5401-F64
L901
2.2k
R982
QNZ0112-001
R981
C911
2.2
Tuner signal
TAPE signal
CD changer signal
Front signal
C327
22/16
QMFZ047-150-T
C306
C329
0.47/50
0.1
C305
0.1
0.10.10.10.1
C323C324C325C326
F1
RR
RL
FL
FR
RL
FL
PCT
RR
FR
R781
10K
Q782
UN2211-X
D783
UDZS11B-X
Q841
UN2211-X
C907
1/50
2SA1855/RST/-T
R909
47K
R908
2.2K
UN2211-X
Q901
Q902
R782
47K
0.1/50
R783
1.8K
C841
C782
100/16
R907
47K
R906
1K
R306
R308
47k
47k
0.1/50
C905
R910
R309
R307
47k
47k
4.7K
100/16
C906
R905
R902
10K
10K
4.7k
R903
Rear signal
R904
18K
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
2-2
HAB C DE FG
Page 5
KS-FX845R
LCD & Key control section
5
EN601
IC602
RPM6938-SV4
QSW0863-002
D646
4
LCD1
S1S2S3
S601
S607
S613S614S615S616
S4S5S6S7S8S9S10
KEY2
KEY1
KEY0
R649
D602
QLD0254-002
R605
R615
2.7K
S617
3.9K
S606
S605
3
R602R603R604
8201.2K1.8K
R614 R613
1.2k 820
R601
820
S602S603S604
R606R607R610 R609 R608
8208202.7k 1.8k 1.2k
S608S609S610S611S612
R612
820
R648
S15
S17
S18
S20
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
S32
S34
S35
S36
S37
S11
S13
S14
S16
D601
R646
R645
D603
D604
D605
R644
S19
R641
R642
R643
D606
D607
D609
D610
D611
R640
R639
S12
R647
S38
S33
R637
R638
D613
D614
D615
S39
D616
D617
S40
R636
S44
S41
S42
S43
S45
S46
S47
R633
R634
R635
D619
D620
D621
2
COM3
COM2
COM1
S49
S50
S48
BUS2
BUS1
IC601
LC75823
R671
D622
D623
D624
R632
D625
SML-310LT/MN/-X
R631
820( 1/8W)
R659
R660
390( 1/8W)
D645
D644
NSPW310BS/B2RS/
R672
Q640
390( 1/8W)
R674
Q641
UN2211-X
NSPW310BS/B2RS/
R673
1SS335-X
1SS335-X
DIMMER
D642
D643
C603
10/6.3
R651
2.2k
R652
2.2k
180k
R653
R658
10k
LCDCE
LCDCL
LCDDA
0
D641
UDZS5.1B-X
R654
R655
R656
10k
10k
10k
C602
680p
R661
10k
C601
0.022
R657
51k
UDZS6.2B-X
S49
S50
COM1
COM2
COM3
VDD
INH
OSC
CE
CLK
DATA
C611
0.012
C612
4.7/6.3
S45
S46
S47
S48
S3S4S5S6S7S8S9
R662
470
S39
S40
S41
S42
S43
S44
S10S2S11S1S12
100
R681
C682
0.022
S36
S37
S38
S13
C681
0.022
S33
S34
S35
S32
S31
S30
S29
S28
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
S17
S14
S15
S16
CN601
NNZ0087-001
DIMMER
To
Main amp section
CN701
REMOCON
ACC5V
10V
ENC1
ENC2
LCDCE
LCDDA
LCDCL
KEY2
KEY1
KEY0
R670
GND
To
Main amp section
CN701
0
1
AB CD E F G
2-3
Page 6
Head amp section
KS-FX845R
KS-FX845R
5
680
CN403
QGF1219F1-10S
R410
Q403
2SB1322/RS/-T
1A3G-T1
D402
3.3K
R422
47K
R423
Q402
UN2211-X
4
100K
680p
680p
C401
C411
100K
R401
R412
100K
R402
680p
C412
680p
C402
R415
4.7k
R405
4.7k
R414
5.6k
R404
5.6k
C414
0.1
C404
0.1
C406
0.01
R406
47k
C403
0.18
R403
1M
IC401
HA12231FP-X
C416
1/50
R416
2.4K
Q406
UN2211-X
R408
680
C407
2.2/50
R407
10K
C405C408
1/50100/16
IC402
LB1641
C425
10/16
C423
0.01
0.1
C424
33
R425
C417
2.2/50
R417
10K
C415
0.01
MA3047/H/-X
D401
3.3K
R424
100K
R411
3
CN402
QGA2001C1-06
2
CN401
QGB1214K1-18S
To
Main amp section
CP401
TAPE signal
1
2-4
HAB C DE FG
Page 7
Printed circuit boards
Main board
5
KS-FX845R
Forward side
C905
B9
L901
CN901
B5
4
3
2
IC301
B1
S702
C909
Q902
R891
R892
D892
C903
B6
C319
C302
D891
C328
Q891
B7
B8
C891
B2
B3
C308
C882
D901
PP2
R901
C180
R169
D714
C841
R766
R170
C901
X702
C710
R767
C705
X701
IC702
C709
C906
C168
IC161
BZ841
R704
R701
R736
R735
R703
R755
C163
C164
R705
R754
C982
C327
C307
CN701
C908
C301
C245
C329
C309
R882
C881
C782
C318
R881
Q881
C184
C183
C241
C242
CN702
C781
D781
C182
D161
C181
D162
R719
R720
B4
R706
C704
C167
R707
C703
R734
C161
C907
C166
IC901
R760
R762
IC701
D718
R733
IC801
CP401
C162
C165
IC771
C771
L702
R715
R716
C713
C714
IC71
R34
R35
R36
R37
B802
L701
B801
C712
C711
X71
J801
R758
R722
C78
C40
C33
X31
C76
Q84
S703
PP1
C55
Q351
Q321 Q331
B17
D323
D333
D353
C1
C8
C4
C31
C43
Q31
IC31
C41
C37
C35
Q81
Q91
R83
Q3
C81
Q2
R2
R3
Q51
C77
R74
C73
J1
J321
Q341
R343
D343
L1
TU1
Q7
R43
C50
C32
C48
R32
C34
C91
C9
C5
S701
R55
R52
R59
R57
R58
R53
C52 C53
1
AB C
2-5
Page 8
KS-FX845R
Main board
5
J1
J321
B15
R341
R342
R351
R352
R321
R331
R322
B14
R353
TU1
4
C2
C6
C3
R44
C10
C94
C95
C84
C85
3
C51
R51
C7
S701
C49
R9
R38
L1
Q5
R7
R6
Q6
R41
C38
C45
C44
C91
Q1
Q9
C81
C9
B13
R94
C5
C83
R56
C54
R54
Q52
R91
D1
R92
Q53
R5
C47
R323
D2
C46
R39
C42
R40
R93
C77
C92
C73
R95
D84
C72
C71
R333
C1
C4
D4
C43
R81
2
S703
D5
C39
C82
PP1
R85
C31
C36
R82
J801
R332
B16
R718
Q701
R1
R31
C8
R4
R979
C40
Q976
Q977
R42
C33
X31
R33
R724
R726
R728
VDD
Q8
R8
R723
X71
C55
R71
C74
C75
R72
R809
R73
R801
D713
L701
C711
R725
R771
D718
R978
R976
R810
R977
R729
R802
R740
R803
CP401
R161
R163
R164
R162
R730
R732
Reverse side
C162
R743
RD
R807
R168
C166
R714
VPP
TD
R804
R167
R808
C907
C161
R748
R741
R737
C801
C172
R711
R745
R749
C174
R710
R744
C173
C163
C164
R717
R721
BZ841
C905
R708
R806
R910
R731
R772
IC901
R761
R765
C165
R759
R805
R713
R742
R738
R739
R712
R747
R902
C176
C701
R751
R764
C906
C178
X1
R172
R709
R756
Q841
R903
C167
D710
R841
B9
R173
C902
X701
C702
RESET
R753
R240
R248
D902
C168
R166
X702
R750
R746
C841
R901
C904
D901
R165
B10
B11
C901
C170
C180
C710
C169
R241
C171
R757
C706
L901
C175
VSS
PP2
C982
C177
R246
B18
CN701
C179
C182
R245
Q784
R171
C181
D241
C183
C242
R981
C244
Q781
R302
R249
R982
C325
C326
C327
C329
R301
R309
R308
R311
D903
C308
Reverse side
C184
C318
C309
C319
R312
R242
R243
R307
Q241
R306
R244
C241
D712
C781
D782
D701
Q782
D702
C301
R904
R247
R781
D703
D704
D242
D705
R905
CN702
C718
D706
R305
C245
C782
D707
D783
D708
D709
C243
C908
B8
C307
R782
R783
B7
C328
C903
C882
B6
C313
Q902
B5
C304
B12
B19
Q903
C716
C314
Q901
R908
C909
C717
B20
C303
R906
C305
C302
R907
R909
IC301
C323
C324
C306
Q904
S702
2-6
1
AB CD
Page 9
Front board
KS-FX845R
Forward side
D625
D603
D604
D601
D605
S607
S613
R649
D606
R648
R606
R607
S608
D602
LCD1
D609
S615
D610
S610 S611
S609
D611
R609
D613
R610
D614
D615
S612
S601
5
IC602
EN601
D607
S614
D645
R601
R602
S616
D644
R603
S606
D616
D619
S617
R615
S602
D624
D620
R605
R604
D623
D622
S603
S605
D621
S604
D617
4
Reverse side
R631
R614
R613
R632
R633
R636
R637
3
Q640
R672
Q641
R635
R638
R639
R673
R634
R674
R671
R670
R659
R660
R652
R651
D641
R653
C603
C601
D643
D642
R658
R657
C602
R655
CN601
R608
R656
R654
R612
R661
R642
C612
R662
D646
R643
C682
R646
R644
IC602
C611
R681
C681
R645
R640
R641
R647
2
Mecha board
B416
C423
R425
D401
C416
R424
IC402
B406
C425
C424
B415
D402
Q406
R410
C408
R416
R406
C406
R408
Q403
B413
C405
C415
C403
R403
B403
B414
B404
IC401
CN403
C417
R417
B412
B405
R423
R407
C404
C407
CN401
R404
R405
R402
R401
C402
B411
C412
R414 R415
C414
C401
R412
B402
C411
B401
R411
CN402
R422
Q402
1
AB C
2-7
Page 10
KS-FX845R
VICTOR COMPANY OF JAPAN, LIMITED
AV & MULTIMEDIA COMPANY 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan
(No.49873SCH)
Printed in Japan
2003/06
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