Standard Schematic Diagrams - JVC KS-FX945R Service Manual

Standard schematic diagrams

Main amp section
TU1
QAU0293-001
L1
J1 4.7u
5
QNB0100-002
D1 D2
GND
C39
0.001
C36
7p
IC31 C38
1000p
TB2118F-X
C37
C35
10p
10p
C40
10/16
R37 2.2k
R36 PLLCE 2.2k
R35 PLLDA 2.2k
R34 PLLCL 2.2k
PLLDI
4
C46 0.01
0.01
C47
R43
R44
470 220
C32 C50
47p 100p
R32
6.2K
C34 C33
47/6.3
0.047
Q31
UN2211-X
C77
47/6.3
STANDBY
TAPEIN
C76 0.01
MODE
SUBMO+
C75
3 47p
SUBMO-
C74
82p R72
2.2k IC71
SAA6579T-X
REEL
MSIN
DOLBY
F/R
FF/REW
MOTOR
CN701
QNZ0007-002
REMOCON
ENC1
ENC2
LCDCE
LCDDA
LCDCL
KEY2
2
KEY1
KEY0
A.GND
R806 10k
R805
CH.R 100k
CH.L
R804
22k
R803
100
B802
0
1
B801
0
IC801
HD74HC126FP-X
J801
QNZ0095-001
A
KS-FX945R
C81 1/50 R81 9.1k
C91 1/50
R91 9.1k
Q2
C5
2SD601A/R/-X C92
1/50
0.0022
Q81
Q91
Q5 2SD601A/R/-X 2SD601A/R/-X
2SB709A/R/-X R3
4.7k R93 R83
4.7k
4.7k
R9
C83
Q3
0.1
68 R5 UN2111-X
Q84
47k
UN2111-X
Q9
UN2111-X
Q6
D84
2SB624/4/-X
1SS355-X
R94
0R0
R7
4.7K
R6
47k
Q7
UN2211-X
FM/AM
R2
47k
SD/ST
R57
15k
R54
R53
10k
R58 47k
SQ 470 C54
0.1
C52
0.01 R8
10k
C55
R56
0.47/50
10k
Q8
UN2211-X
Q52 Q51
2SC2412K/R/-X 2SC2412K/R/-X
C71
R758
560p
47k VSS
ACC5V
100
C72
0.022
SW5V
R74
2.2k
C73
2.2/50
RDSDA
R73
RDSCL
A.GND
IC701
TAPE.L
uPD784215AGC209
TAPE.R
MUTE
R717 0
ACC5V
C706
10V
VDD
0.047
4.7K
R716
VOLDA
VOLCL
4.7K
R715
R762 47k
R761 47k VPP
R760 47k
R759 47k
MOTOR
FF/REW
F/R
R714
10K
DOLBY
MSIN
REEL
SUBMO-
SUBMO+
MODE
SI
SO
SI
SO
I/O
47k
R704
R703 47k
R807
100k
INT
R808
SCK
330
R809
22k
R810
100
CN702
D711
R801 SCK QGA2006F1-02 X701
C801 1SS355-X X1
47k
0.047
B18
0
QAX0617-001Z
B C
KS-FX945R
RB160M-30-X
R249 D242
220 0.047
R247
47K
C244
0.22
TU.R
TU.L R168
2.2K
C82
0.0022
C166 2.2/50
CH.L
C165 1/50
TU.L
R162 0R0
C164 1/50
TAPE.L
IC161
TEA6320T-X
A.GND
C163 1/50
TAPE.R
R161 0R0
C162 1/50
TU.R
C161 2.2/50
CH.R
A.GND
2.2K
R166
S702
QSW0451-001
R729
L701
47k 4.7u
IC771
BR24C16F-X
C711
100/10
C713
0.01
C771
0.047
R731
47k
BUZZER
R730
10k S701
QSW0451-001
R732 10k
BUZZER
10k
R733
R734 2.2k
LCDCE
R735 2.2k
LCDCL
R736 2.2k
LCDDA
R737 0
I/O
R738 4.7k
SCK
R739
4.7k
SO
R740 4.7k
SI
ACC5V
RD
TD
D714 UDZS5.6B-X
R741 10k SM
10V
R742 10k SQ
9V
LEVEL
R743 10k
KEY2 DIMIN
R744 10k
KEY1
R745 10k
KEY0
R746
10k ENC2
14V
PCT
R747 4.7k
R748 4.7k
R749 4.7k
R766 47k
R720 S703
TELMUTE
22k QSW0534-001
R764
100
D713
UDZS5.6B-X
C712
SW5V
0.01
X702
IC702
IC-PST600M/G/-W
R756 R757
47k C710 2.2k
47/6.3
QAX0401-001
D E
2-2
R243 9V
C243
12k R242
180k
R245
47 R240
C241 0
1/50
R244 R248
R241
22k
47k
C242
22/16
Q241
2SD601A/R/-X
LEVEL
R301
27K
RR
RL
R302
27K
R169 D161
220K 1SS355-X
R170 D162
220K 1SS355-X
C181 4.7/25
R311 0.22/50
FL
27K
C183 4.7/25 FR
RL
FL
270
R173
R312
VOLDA 27K
PCT
R352
D343
1SS355-X
D353
R172 270 1SS355-X
VOLCL
C184 4.7/25
RR
C182 4.7/25
FR
D333
1SS355-X
D323
1SS355-X
R332
R322
Q781
D781
1SS355-X UN2111-X
R782
C781
47K
47/6.3 R781 R783
10K 10k
D782
R978
0R0
Q782
1SS355-X
0R0 UN2211-X
Q976
R979
UN2211-X
Q784
UN2111-X
C782
100/16
D783
UDZS11B-X
R976 BZ841
27k
QAN0023-001Z
C902
0.047
Q841
UN2211-X
R977
12k
R841
2.2K
C841
0.1/50
IC901
HA13164A
D902
1SS355-X
Q902
2SA1855/RST/-T
R892
R891
R907
1k
47k R881 47K
47k
R909
47K
Q881
UN2211-X R906
1K
R908
2.2K Q901
R882 UN2211-X
Q904
C881
4.7k 2SA1037AK/RS/-X
0.1
C882
C891
0.1 22/16
Q903
UN2211-X
F
IC301
LA47505
C308
0.22/50
C309
0.22/50
C318
C319
0.22/50
C301
R305 1K
4.7/25
1K
R342
1K
R343
2.2k
R353
2.2k
R333
2.2k
R323
2.2k
1K
1K
C904 0.047
C903 3300/16V
D901
1N5401-F64
R901
47
RB160M-30-X
C901
10/16 C982
10/16
D982
RB160M-30-X
F1
QMFZ047-150-T
J321
QNN0489-001
Tuner signal
TAPE signal
CD changer signal
Front signal
Rear signal
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
G H