JVC KS-F550R, FX650R Service Manual
SERVICE MANUAL
CASSETTE RECEIVER
KS-FX650R
KS-F550R
KS-FX650R
KS-F550R
Contents
Detachable
M
u
l
M
t
i
u
s
i
c
S
c
a
n
KS-FX650R
SCM
KS-F550R
SCM
40Wx4
TP
PTY
40Wx4
TP
PTY
CD CHANGER CONTROL
RDS
DETACHABLE CONTROL PANEL
RDS
K
S
-
F
X
6
5
0
R
MO
RND
SSM
RPT
DAB
TAPE
FM/AM
K
S
-
F
5
5
0
R
MO
SSM
RPT
TAPE
FM
AM
Area Suffix
E ..... Continental Europe
Safety precaution ------------------------------------- 1-2
Instructions --------------------------------------------- 1-3 - 17
Location of main parts ------------------------------- 2-1
Disassembly method -------------------------------- 2-2
Adjustment method ---------------------------------- 2-8
COPYRIGHT 2000 VICTOR COMPANY OF JAPAN, LTD.
Wiring connections ----------------------------------- 2-12
Description of major ICs ---------------------------- 2-13
Block diagram ----------------------------------------- 2-22
Standard schematic diagrams -------------------- 2-23
Printed circuit boards -------------------------------- 2-27
Parts list ------------------------------------------------- 3-1 - 16
No.49547
Mar. 2000
KS-FX650R
KS-F550R
Block Diagram
SUB
MOTOR
HEAD
MAIN
MOTOR
SWITCH
TAPE END.STANDBY
CJ402
CP403
METAL
LCH
MOTOR
RCH
MODE
TAPE IN
STANDBY
IC401
REEL
TAPE END
J931
PB EQ
CXA2559Q
MS
F/R
DOLBY
LRO
RRO
IC402
DC MOTOR DRIVER
LCH
RCH
FF/REW
LB1641
SUBMO+
SUBMO-
CJ401
CP501
LCD1
MECHANISM CONTROL
S3 – S52
QLD0100-001
COM0 – COM3
IC651
KEY
LC75823E
LCD DRIVER
LCDDA
LCDCK
LCDCE
S619
–
S601
LCD DRIVER/KEY SWITCH CIRCUT
CP701
CJ701
F/R
MODE
STANDBY
FF/REW
MOTOR
SUBMO ±
TAPE IN
DOLBYMSREEL
KEY 0 – 2
Block Diagrams
L/R F ±
TO SPEAKER
CONNECTOR TO REAR LINE OUT
J751 CP961
KS-FX650R
TO CD CHANGER
L/R R ±
IC941
POWER AMP.
SCK
SI/SO
OUT LR
OUT RR
OUT LF
HA13158
KS-FX650R
IC751
HD74HC126FP-X
CHANGER CONTROL
OUT RF
IC911
CD RCH
CD LCH
TAPE L/R
E.VOLUME
TEA6320T-X
JBUS SI
JBUS SO
JBUS I/O
JBUS SCK
J1
TUNER L/R
FM
AM
IC701
UPD178016AGC552
SYSTEM CONTROL MICON
SEEK/STOP
TU1
AM/FM TUNER PACK
SD/ST
SMETER
QAU0156-001
Tuner.Power AMP.Changer/System Controller
2-22
Standard Schematic Diagrams
Receiver & System control circuit section for KS-F550R
5
4
KS-FX650R
KS-F550R
3
2
FM Radio Signal/Radio Main Signal
AM Radio Signal
Tape PB/Main Signal
1
Note:/s/C/jes/3125ma.001
ABCDEFG
KS-F550RE/B/G/:FSDH3125-005RV:1/3
2-23
Receiver & System control circuit section for KS-FX650R
5
4
KS-FX650R
KS-F550R
3
2
FM Radio Signal/Radio Main Signal
AM Radio Signal
CD Signal
Tape PB/Main Signal
1
Note:/s/C/jes/3109ma.001
KS-FX650RE/B/G:FSDH3109-005RV:1/3
ABCDEFG
2-24
KS-FX650R
KS-F550R
LCD driver & Operation switch circuit section
5
4
3
2
1
Note:/s/C/jes/3109sw.001
KS-FX650RE:FSDH3109SW:2/3
ABCDEFG
2-25
KS-FX650R
KS-F550R
Mecha control circuit section
5
4
3
2
1
Tape PB/Main Signal
KS-FX650RE:FSDH3109MW:3/3
Note:/s/C/jes/3109me.001
ABCDEFG
2-26
KS-FX650R
KS-F550R
Exploded view of general assembly and parts list
Block: No. M 1 M M
10
6
4
7
Main board
44
50
42
57
56
12
51
53
12
51
5
3
10
10
4
5
1
15
5
1-3
1-2
Mecha control bord
5
21
5
11
20
10
11
17
3
18
35
19
33
36
1-1
16
39
40
13
40
43
13
40
2
1
3-2
2
2-1
47
34
26
29
24
2-2
48
46
49
45
LCD1
30
55
27
38
37
Front board
9
25
28
31
8
32
41
ABCD
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