Standard Schematic Diagrams - JVC KS-FX621 Service Manual

Standard schematic diagrams

Main amp section
TU1
QAU0281-001
5
J1
L1
QNB0100-002
4.7u
R34
R31
1k 10k
R33 C33
R32
1k 1k
2.2/50
C34
0.001
Q31
Q32
4
KTC3199/GL/-T KTC3199/GL/-T
ANALOGUE.BUS
CP701
QGB1214J1-18S
10V
STDBY
TAPEIN
MODE
SUBMO+
SUBMO-
9V
PCNT14V
To TAPE.L
GND
Head amp
TAPE.R
section CN401
REEL
MS
3
DOLBY
F/R
FF/REW
MOTOR
CJ701
VMC0334-001
ILL10V
To
LCDSO
LCD & Key control
LCDSCK
section CP701 LCDCE
ACC5V
KEY2
KEY1
KEY0
DETACH
2
MEMORY
REMOTE14V
C801 0.047
R809 10k
R801 100k Vdd5V
R802 100k
R803 100
CP801
QNZ0095-001
R813 CH.R
2.4K GND
IC801
HD74HC126P
R811 CH.L
6.8k
1
TUNER SIGNAL
TAPE SIGNAL
A
R91 3.3k C92 1/50
EVOLCLK
R81 3.3k C82 1/50
EVOLDA
Q4
CH.L
TAPE.L
GND
TU.L
TU.R
TAPE.R
CH.R
IC701
LC72366-9B41
1SS133-T2 D701
1SS133-T2 D702
1SS133-T2 D703
REMOCON
Vdd5V
R727 47K
FF/REW
R728 2.2k
IFREQ R729 2.2k
MONO
R701 47k
R702 47k
R703 4.7k
R704 4.7k
JBUS.SI
R705 4.7k
JBUS.SO
R712 47k
JBUS.IO R713 56k
R714 47k
KTC3199/GL/-T
Q701
JBUS.INT
JBUS.SCK
J.BUS
CD CHANGER SIGNAL
REAR SIGNAL
FRONT SIGNAL
B C
KS-FX621 KS-FX621
CJ321
QNN0519-001
R353 1k
R343 1k
R163 3.9k
C167
0.033
C177
R173 3.9k 0.033
IC161
TEA6320T-X
RB721Q-40-T2
C243 D242
C241 Q241
0.047
1/50
KTC3199/GL/-T
X701
C711
QAX0406-001Z 0.01
C705
0.22
C917
0.33
EO
C704
ILL10V
100/6.3
FM/AM.OSC 10V
FM/AM
Vdd5V
9V
IFC
Vdd5V
C703
10/16
FMVCC
AMVCC
L903
ACC5V
47u
Q904
KRC102M-T
R706 4.7k
MEMORY
R707 47k
R708 4.7k
R709 47k
R710 47k
R711 47k
R750 68k
D E
2-2
IC301
LA4743K
R354 100
R344 100
R321 27k C322 0.22/50
R341 27k C342 0.22/50
R331 27k C332 0.22/50
R351 27k C352 0.22/50
Q351 Q321
2SD2144S/VW/-T
C306 C307
R301 0.1 0.1
D310 4.7k
1SS133-T2
Q781 KRA102M-T
1SS133-T2
R325 2.2k
D321
R355 2.2k
Q782 KRA102M-T
Q301
KRC102M-T
C901
2200/16
Q905
D901
2SA1855/RST/-T
1N5401-F64
R908
47k
R909
1k
Q906
KRC102M-T
Q976
Q977
R978 R976
KTA1267/YG/-T
C902
27k 43k
10/16
IC902
KIA7810PI
IC901
C911
0.1
AN80T05
R903
11k
C909 0.01
1SS133-T2
L902 47u
D904
D902
1A3G-T1
Q901
Q903
KTA1267/YG/-T
KRA102M-T D903
1A3G-T1
Q902
KRC102M-T
Q907
KTA1267/YG/-T
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
F
C308 C309
0.1 0.1
CP981
QNZ0611-001
QAM0013-006
G H