JVC KS-F185 Administrator Guide

SCHEMATIC DIAGRAMS
CASSETTE RECEIVER
No.MA094BSCH
2005/3
KS-F185,KS-F185S
KS-F185G
COPYRIGHT 2005 Victor Company of Japan, Limited.
Area suffix
UN --------------------- Indonesia
KS-F185S
Area suffix
UN --------------------- Indonesia
KS-F185G
Area suffix
KS-F185
UH ---------------------- Thailand
UN --------------------- Indonesia
U -------------------- Other Areas
Contents
Block diagram (For UH,UN,U version)
Standard schematic diagrams (For UH,UN,U version)
Block diagram (For UH3,UN3,U3 version)
Standard schematic diagrams (For UH3,UN3,U3 version)
Printed circuit boards
2-1
2-2
2-5
2-6
2-9 to 11
CD-ROM No.SML200503

!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.
Safety precaution

2-1
MAIN
MOTOR
MUTE SW
TAPE/RADIO SW
TUL, TUR
LRO
RRO
LFO
RFO
LRO+,LRO-
RRO+,RRO-
KEY0 to KEY2
F/R
S3 to S47
COM1 to COM3
TAPE.L, TAPE.R
LCH
RCH F/R
LCH
RCH
J1
FM
LINE
REAR OUT
LCD & Key control section
Head amplifier section
Mechanism control board
AM
PROG.SW.
ANT
IC981
POWER AMP
IC931
E.VOL
IC901
HEAD AMP
TO
SPEAKER
CONNECTOR
LCD1
IC651
LCD DRIVER
S601 to S618
KEY
DATA
CLOCK
CE
IC701
MICON
TU1
FM/AM TUNER PACK
SK/ST
MONO
SD/ST
S.METER
FM.OSC
EO
BAND
IFC/C
IF.C
DI
CL
CE
TAPEIN
PROG
Main amplifier section
CP721
Relay board
CP722
CN721 CP981 CJ921
LFO+,LFO-
RFO+,RFO-
LRO
RRO
CN901
CP901
CJ901
HEAD
CJ701
CP701
LCD.SO
LCD.SCK
LCD.CE
KEY0 to KEY2
DETACH
L1
Block diagram (For UH, UN, U version)

2-2
SHEET 1
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
C990
R725
D718
R707
R708
D701
C702
C701
J1
CN721
R712
C786
R715
C709 C704
C703
CP981
D781
Q784
R786
D961
Q701
IC981
C13
D786
Q989
C982
R757
R709
Q782
Q781 IC781
C986
CN901
R751
R758
R762
D784
D261
Q988
Q987
D782
R702
C934
Q971
D973
R797
R792
C15
R763
R761
CP751
R752
C995
IC701
R719
R710
R1
R993
R992
C994
R718
C996
C997
C984
R997
C983
R996
R998
C985
R973
CJ921
R703
C785
R972
C989
R931
Q972
R999
R722
Q5
R727
R720
Q783
R3
TU1
R991
R994
Q1
Q3
Q771
Q772
C772
C773
R773
R772
R774
R2
C991
C981
D981
C992
R163
R264
R164
R263
D161
R265
R165
D715
D714
C705
C132
C232
CJ701
L1
L783
L781
L782
IC931
C943
D713
C974
C975
C977
C708
R724
C710
R764
R704
X701
C233
C133
Q789
R713
R753
D785
R705
R16
C12
C14
R795
R785
C8
R796
C707
R990
C10
R787
R754
R789
R790
C988
L981
C783
R783
R784
D990
C993
D3 D4
C781
C784
C987
D705
C235
D974
C238
C138
C135
C234 C134
C237
C137
C236
C136
C933
C250
C260
C931
C150
C160
R231
R131
R232 R132
C932
R788
C706
Q4
D704
C9
IC751
C751
R760
R759
R756
R985
R755
D706 D707 D708 D709
R15
D711
C2
R721
C6 C7
C231 C131
R61
R51
R62
R52
C4
B69
R9
R10
Q2
R4
R5
R17
R6
D792 D791
C771
R771
D771
C3 C5
D1 D2
R14
C11
C972
Q261 Q161
R714
D716
R726
R941
C941
C942
C976
C940
C714 C713 C715
R928R711
0.1
47K
1SS119-041
47K
47K
1SS119-041
22P
27P
QNB0100-002
QGB1214J1-06S
4.7k
220/10
2.2k
0.47/50
0.22
100/6.3
QNZ0611-001
1SS119-041
2SA1706/ST/-T
1K
RB721Q-40-T2
KTC3199/GL/-T
LA4743K
1A3G-T1
KRA102M-T
47/16
47K
4.7K
2SA1706/ST/-T
KRC102M-T
AN80T05LF
22/16
QGB1214J1-06S
1K
47K
1K
1A3G-T1
1SS119-041
KRA102M-T
1SS119-041
47K
22/16
KRC102M-T
1SS119-041
12K
6.8
0.01
1K
1K
QNZ0095-001
10K
470P
LC72362N-9C64
3.3K
4.7K
10
27K
27K
470P
3.3K
470P
470P
10/16
47k
QAM0013-007
0.1
47k
47k
4.7/25
4.7K
QNN0519-001
47K
10/16
2.7K
10/16
10
KRA102M-T
47k
3.3K
KRC102M-T
47K
3.3K
KRC102M-T
1K
QAU0311-001
27K
27K
2SA1706/ST/-TKTA1267/YG/-T
KTC3199/GL/-T
KTC3199/GL/-T
2.2/50
0.001
1K
10K
1.5K
1K
0.1
2200/16
1N5401-TM
0.1
1K
100
100
1K
1SS119-041
2.2K
2.2K
1SS119-041
1SS119-041
10/16
1/50
1/50
VMC0334-001
4.7u
47u
47u
47u
PT2319-X
1/50
1SS119-041
0.22
0.22
0.22
0.1
4.7K
0.1
47K
10K
QAX0406-001Z
1/50
1/50
KRA102M-T
4.7k
47K
1A3G-T1
47K
270P
18K
47K
0.1/50
47K
0.01
10K
100
330K
100K
470K
47/16
QQR1367-001
2200/6.3
47K
1K
MTZJ11B-T2
0.1
1SS119-041
1SS119-041
10/16
KRC102M-T
220/10
10/16
MTZJ6.2B-T2
1SS119-041
0.1
0.082
0.082
0.15
0.15
100/10
2.2/50
2.2/50
3.9k
7.5k 7.5k
0.1
2.4K
0.01
KRC102M-T
MTZJ6.2B-T2
0.01
HD74HC126P
0.01
10K
100
100
4.7k
100
MTZJ6.2B-T2
MTZJ6.2B-T2
MTZJ6.2B-T2 MTZJ6.2B-T2
22k
MTZJ6.2B-T2
0.022
3.3K
1/50 1/50
0.1/50
10K
10k
KRC102M-T
10K
1K
2.2K 10K
1SS119-041
1SS119-041
220/10
4.7K
MTZJ9.1C-T2
0.1/50
10/16
1SS119-041 1SS119-041
8.2k
0.33
220/10
2SD2144S/VW/-T2SD2144S/VW/-T
4.7k
1SS119-041
47K
3.3k
0.0015
0.22
1/50
0.1
0.1
0.1
10k
220k
TAPE.R
IF.C
TAPE.R
ACC5V
MEM.DET
TAPE.L
F/R
RFO+
RRO+
LRO+
LFO+
RFO-
RRO-
LRO-
LFO-
TAPE.L
BUS.SI
BUS.INT
KEY0
BUS.SO
MONO
SCK
BUS.SCK
TAPEIN
SI/SO
BUS.I/O
SK/ST
RRO
TAPE14V
MUTE2
EO
FM.OSC
KEY2
KEY1
MUTE
KEY0
LCD.CE
LCD.SCK
LCD.SO
ACC.MUTE
DETACH
LRO
KEY1
ACC.MUTE
PROG
BUS.SO
PROG
RRO+
SSM
TAPEIN
CD.LCH
S.METER
14V
CD.RCH
DETACH
SD/ST
TU-9V
SK/ST
SSM
BUS.SCK
F/R
LCD.SO
LCD.SCK
LCD.CE
CL DI
BUS.SI
SD/ST EO
MEM.DET
MUTE2
DI
LFO-
CL
LFO+
LRO-
RFO-
LRO+
RRO LRO
CE
CE
S.METER
MONO
KEY2
TUR
TUR
BAND
BUS.INT
TUL
IFC/C
IFC/C
FM.OSC
TUL
BAND
RRO-
IF.C
MUTE BUS.I/O
RFO+
SI/SO SCK
CD.RCH
CD.LCH
To CP701 (SHEET 3)
To CP721 (SHEET 2)
To CP901 (SHEET 2)
Standard schematic diagrams (For UH, UN, U version)
Main amplifier section

2-3
SHEET 2
Head amplifier section
CP722
CP721
IC901
C203 C103
CJ901
R204 R104
C901
CP901
C201 C101
C202 C102
R203
R103
C204
C104
R201
R101
C205
C105
R901
QGA2002F1-06
QGB1214K1-06S
UPC1228HA
100p 100p
QGA2002C1-05
330k 330k
QGB1214K1-06S
820p
820p
0.47/50
0.47/50
100
100
47/6.3
47/6.3
15k
15k
0.01
0.01
100/10
100
(SHEET 1)
(SHEET 1)

2-4
SHEET 3
IC651
C651
C653
C652
D605
D611 D606
D619
D618
S601 S602 S603
S606 S607
D617
S608 S609
S604
S614 S615 S616 S617
S605
S610
D609
D607
D608
S613
D613
R601
D610
R602
D612
R604
D602
D615
R609R607
S618
R606R605
D614
R612 R613 R614
S611
D603
D616
R615
D654
R610
D604
R657
R654
R603
R608
R655
S612
CP701
R611
R641
R640
R653
R652
R651 R650
R649
R648
R647
R646
R645
R644
R643
R642
D601
PL603
R637
R636
R639
R638
R663
R662
R661
R635
PL601
LC75823W
1.0
680p
4.7/6.3
680 560 910
1.2k
680560680
680 560 680 910
UDZS5.1B-X
1.5k
180k
1.5k
680
910
47k
VMC0335-001
2.2K
430
1.2K
1.2K
430
430 820
820
270
270
SML-310LT/MN/-X
QLL0033-003
1.2K 1.2K
820
820
10k 10k
10k
220
QLL0033-003
S32
S31
S30
S29
S28
S27
S26
S25
S24
S23
S22
S21
S20
S19
COM1
COM2
COM3
S18
S17
CE
S3 S4 S5 S6 S7 S8 S9
S10
S11 S12
CLOCK
S13
ACC5V
S14
KEY0
S15 S16
S43 S42 S41 S40 S39 S38 S37 S36 S35 S34 S33
S47
S46 S45 S44
5V
GND
S4 S5 S6 S7 S8 S9
S10 S11 S12 S13 S14
10V( LAMP)
S15 S16 S17 S18 S19
DATA
S20 S21 S22 S23 S24 S25 S26 S27 S28 S29 S30
KEY1
S31 S32
KEY2
S33 S34 S35 S36 S37 S38 S39 S40 S41 S42 S43 S44 S45 S46 S47
COM1 COM2 COM3
S3
To CJ701
(SHEET 1)
LCD & Key control section

2-5
MAIN
MOTOR
MUTE SW
TAPE/RADIO SW
TUL, TUR
LRO
RRO
LFO
RFO
LRO+,LRO-
RRO+,RRO-
KEY0 to KEY2
F/R
S3 to S47
COM1 to COM3
TAPE.L, TAPE.R
LCH
RCH F/R
LCH
RCH
J1
FM
LINE
REAR OUT
LCD & Key control section
Head amplifier section
Mechanism control board
AM
PROG.SW.
ANT
IC941
POWER AMP
IC911
E.VOL
IC901
HEAD AMP
TO
SPEAKER
CONNECTOR
LCD1
IC651
LCD DRIVER
S601 to S618
KEY
DATA
CLOCK
CE
IC701
MICON
TU1
FM/AM TUNER PACK
SK/ST
MONO
SD/ST
S.METER
FM.OSC
EO
BAND
IFC/C
IF.C
DI
CL
CE
TAPEIN
T-MUTE
Main amplifier section
CP721
Relay board
CP722
CN902 CP981 J931
LFO+,LFO-
RFO+,RFO-
LRO
RRO
CN901
CP901
CJ901
HEAD
CJ701
CP701
LCD.SO
LCD.SCK
LCD.CE
KEY0 to KEY2
DETACH
L1
Block diagram (For UH3, UN3, U3 version)

2-6
SHEET 1
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
CN902
C948
Q981
L701
IC911
Q2
TU1
IC751
R26
Q8
IC961
R27
D963
C21
C947
C970
J1
L1
Q967
D30
Q12
R9
R777
R776
Q979
C20
R10
CN901
C969
C708
IC902
R14
C7
C6
Q11
C707
C982
C903C902
C212
Q962
D982
D776
R979
R114
L961
R214
C253
R151
R251
D744
Q701
Q959
R24
C153
Q10
C218
C119
Q231
Q963
C219
R113
R213
Q965
Q966
R750
IC701
C949
Q7
C111
C112
J751
C211
R704
R703
R702
R701
L702
Q131
R758
R757
R756
R755
R754
R715
R716
R717
D977
X701
C701
C702
R711
Q964
R713
R712
C703
R724
R725
R726
R718
R719
R720
R959
C950
C951
Q961
CJ701 R748
C961
R747
Q978
C118
R709
R710
R708
R778
C709
R772
R740
C712
R738
R746
Q960
C952
D931
C710
R707
D932
D984
R734
R733
R732
R974
R975
D964
IC941
R969
R970
D966
R728
Q953
R141
R142
R241
R242
D961
R962 R961
R232
R132
R135
R235
R25
J931
C711
R971
R972
C972
C768
C705
C966
R35
R743
D1
D2
R773
C31
R34
R36
R744
R12
R780
R781
R29
D6
C9
C932
R1
R960
C981 C984
R730
R736R737
R2
R152
C152 C252
R252
C713
C1
C912
C911
C965
C945
C963
C213
C214
C216
C116
C114
C217
C113
R911
R912
R913
R112
R212
R941
C977
C943
D965
R967
R966
C3
R759
R753R752
C913
C751
C968
C8
R721 R722 R723 R727
C704
C946
R32
C215
R977
C117
C942
C962
C30
R705
C115
C978
C979
C964
C967
C24
C953
C18
R731
C154
C254
R37
C971
C16
R729
C144 C143
C243 C244
R963
C941
R136 R236
D978
C17
R6
D752 D753 D754 D755 D756 D757 D751
C954
C4 R143
C2
R243
R144R244
R779
CP981
QGB1214J1-06S
0.22/50
47u
TEA6320T-X
QAU0281-001
HD74HC126FP-X
10k
AN80T05LF
1k
1SS355-X
2.2/50
0.22/50
0.047
QNB0100-002
4.7U
2SA1037AK/RS/-X
1SS355-X
1k
47k
47k
0.001
3.9K
QGB1214J1-06S
0.047
220/10
KIA781OAPI
470
0.012
0.056
0.1
10/16
1/50
2SB1322/RS/-T
1SS355-X
1SS355-X
47K
2.7K
QQR1366-001
2.7K
1/50
3K
3K
0
2SC2412K/R/-X
UN2211-X
1k
1/50
1/50
1/50
2SC2412K/R/-X
2SA1037AK/RS/-X
1/50
2.7K
2.7K
UN2211-X
UN2211-X
47k
UPD178078GF-708
0.22/50
1/50
1/50
QNZ0095-001
1/50
0
0
0
270
47u
2SC2412K/R/-X
100
100k
100k
10k
100
1SS355-X
QAX0406-001Z
27P
27P
390
UN2211-X
10k
0
0.1
4.7k
4.7k
4.7k
2.2k
0.22/50
0.1
2SA1037AK/RS/-X
VMC0334-001 10k
2200/16
47k
UN2211-X
1/50
100k
47k
100k
47k
100/6.3
47k
47k
0.1u
47k
47k
2SA1037AK/RS/-X
0.1
1SS355-X
0.1
47k
1SS355-X
1SS355-X
10k
47k
47k
12K
24K
1SS355-X
LA4743K
2.2k
47k
RB160M-30-X
27k
27k
27k
27k
1N5401-F64
6.8k 47
2.2k
2.2k
100
100
1k
QNN0519-001
UDZS6.2B-X
0.22
2.2k
2.2k
220/16
0.01u
0.001
UN2111-X
UN2211-X
KRC101S-X
10/16
8.2K
47k
1SS355-X 1SS355-X
47k
0.01
22K
22K
47K
UN2111-X
1k
47K
47K
1.5k
UDZS9.1B-X
220/10
0.1
0.1
0.33
15
27k
100/16
220/10
4.7k
10k47k
15
10K
0.0012 0.0012
10K
0
0.1/50
100/16
47/16
220/10
4.7/25
10/16
0.0082
0.1
0.033 0.033
0.1
0.012
0.0082
270
270
10
22K22K
47k
220/10
0.1
RB160M-30-X
2.2k
47k
220/10
330k
22k
330k
100/16
0.1
10/16
100/10
4.7k 4.7k 4.7k
4.7k
0.1
22/16
100
0.22/50
180
0.012
0.1
10/16
47p
10k
0.22/50
4.7/25
47/16
220/10
10/16
0.047
0.1
0.47/50
4.7k
0.018
0.018
100K
0.1
10P
10k
UN2211-X
4.7k
390p 390p
390p 390p
12k
0.1
1k 1k
UDZS11B-X
150P
10
0.1
220/10
47k
0.1
47k
47k47k
47k
QMFZ047-150-T QNZ0611-001
KEY2
KEY1
IFC.CNT
CH.L
TU.L
TAPE.L
TAPE.R
CH.R
TU.R
TU.L
TU.R
MUTE
KEY0
KEY1
TAPE.L
T-MUTE
TAPE.R
F/R
9V
9V
CH.R
TAPE-OUT
I/O
SI
T-MUTE
CH.L
SCK
SO
KEY0
TAPE-IN
TAPE-OUT
KEY2
RROUT( -)
SEEK/STP
FROUT( -)
9V
FLOUT( -) RLOUT( -)
I/O
RROUT( +) FROUT( +) FLOUT( +) RLOUT( +)
SCK
IFC.CNT
MONO
MUTE IFC
SO
IFC
SI
SD/ST
SEEK/STP
FLOUT( -)
MONO
RLOUT( -)
OSC
OSC
RROUT( -) FROUT( -) FROUT( +) RROUT( +) RLOUT( +) FLOUT( +)
F/R
TELMUTE
TAPE-IN
To CP901 (SHEET 2)
To CP721 (SHEET 2)
To CP701 (SHEET 3)
Standard schematic diagrams (For UH3, UN3, U3 version)
Main amplifier section

2-7
SHEET 2
CP722
CP721
IC901
C203 C103
CJ901
R204 R104
C901
CP901
C201 C101
C202 C102
R203
R103
C204
C104
R201
R101
C205
C105
R901
QGA2002F1-06
QGB1214K1-06S
UPC1228HA
100p 100p
QGA2002C1-05
330k 330k
QGB1214K1-06S
820p
820p
0.47/50
0.47/50
100
100
47/6.3
47/6.3
15k
15k
0.01
0.01
100/10
100
(SHEET 1)
(SHEET 1)
Head amplifier section

2-8
SHEET 3
IC651
C651
C653
C652
D605
D611 D606
D619
D618
S601 S602 S603
S606 S607
D617
S608 S609
S604
S614 S615 S616 S617
S605
S610
D609
D607
D608
S613
D613
R601
D610
R602
D612
R604
D602
D615
R609R607
S618
R606R605
D614
R612 R613 R614
S611
D603
D616
R615
D654
R610
D604
R657
R654
R603
R608
R655
S612
CP701
R611
R641
R640
R653
R652
R651 R650
R649
R648
R647
R646
R645
R644
R643
R642
D601
PL603
R637
R636
R639
R638
R663
R662
R661
R635
PL601
PT6523LQ-L
1.0
680p
4.7/6.3
680 560 910
1.2K
680560680
680 560 680 910
UDZS5.1B-X
1.5K
180k
1.5k
680
910
47k
VMC0335-001
2.2K
430
1.2K
1.2K
430
430 820
820
270
270
SML-310LT/MN/-X
QLL0033-003
1.2K 1.2K
820
820
10k 10k
10k
220
QLL0033-003
S32
S31
S30
S29
S28
S27
S26
S25
S24
S23
S22
S21
S20
S19
COM1
COM2
COM3
S18
S17
CE
S3 S4 S5 S6 S7 S8 S9
S10
S11 S12
CLOCK
S13
ACC5V
S14
KEY0
S15 S16
S43 S42 S41 S40 S39 S38 S37 S36 S35 S34 S33
S47
S46 S45 S44
5V
GND
S4 S5 S6 S7 S8 S9
S10 S11 S12 S13 S14
10V( LAMP)
S15 S16 S17 S18 S19
DATA
S20 S21 S22 S23 S24 S25 S26 S27 S28 S29 S30
KEY1
S31 S32
KEY2
S33 S34 S35 S36 S37 S38 S39 S40 S41 S42 S43 S44 S45 S46 S47
COM1 COM2 COM3
S3
To CJ701
(SHEET 1)
LCD & Key control section