JVC MX-KB1, MX-KB22 Schematics
SCHEMATIC DIAGRAMS
COMPACT COMPONENT SYSTEM
MX-KB22,MX-KB1
CD-ROM No.SML200408
EV ------------- Eastern Europe
Contents
Wiring diagram
Block diagrams
Standard schematic diagrams
Printed circuit boards
COPYRIGHT 2004 Victor Company of Japan, Limited.
CA-MXKB22SP-MXKB22 SP-MXKB22
CA-MXKB1SP-MXKB1 SP-MXKB1
MX-KB22
Area suffix
B ------------------------------ U.K.
E ---------- Continental Europe
EN ----------- Northern Europe
EV ------------- Eastern Europe
MX-KB1
Area suffix
2-1
2-2
2-4
2-16 to 19
No.MB306SCH
2004/8
In regard with component parts appearing on the silk-screen printed side (parts side) of
the PWB diagrams, the parts that are printed over with black such as the resistor ( ),
diode ( ) and ICP ( ) or identified by the " " mark nearby are critical for safety.
Wiring diagram
REMARK:
1).
2).
AC Cord (E/EN/EV Version)
P/N.: 30-00300-01L
AC Cord (B Version)
P/N.: 30-00300-02L
FM ANT
TUNER BOARD
P/N:11-01002-02 (E, EN)
P/N:11-01002-03 (B, EV)
P/N:20-61030-00
3 PIN UL2547#30 P=2 L=360 mm
LOGIC DECK
A PLAY HEADER
LOGIC DECK CONTROL BUS
AC CORD
(AC 230V 50 Hz E/B/EN/EV Version)
AUX INPUT
SJ500
CN504
P/N:11-01002-05
AUX INPUT BOARD
P/N:20-61030-02
3P UL547#30 P=2 L=300 mm
J601J602
AM ANT
TU-R
AGND
TU-L
+12V
+5.6V
DGND
STEREO
CD-EN
PLL-DAT
PLL-CLK
PLL-PER
RDS-CLK
RDS-DAT
CN601
P/N:20-61070-00 7 PIN UL2854#30 P=2 L=360 mm
B R/P HEADER
P/N:25-61260-80 13 PIN UL2896 P=1.25 L=260 mm
P/N:20-61133-01
13P UL2547+2651 P=2 L=370 mm
TRANSFORMER
P/N:15-01002-02
CN202
CN101
L-IN
AGND
R-IN
R.CHR.CH+
GND
L.CH+
L.CHGND
E-S
CN103
GND
NIL
SOL-B
B-M-SW
B-T-SW
PHO-B
REC-SW
T-MOTOR
A-T-SW
GND
PHO-A
SOL-A
A-M-SW
TU-R
AGND
POWER BOARD
P/N:11-01002-01
P/N:20-41051-37
5P UL2651#28 L=500 mm
HEADPHONE BOARD
CN902
P/N:11-01002-05
CN802
CN801
CN804
P/N:20-61073-11
7P UL2547+2651 P=2 L=250mm
CN803
AC7
AC6
AC9
P/N:20-42110-00
11PIN P=2.5 L=250 mm
AC5
AC10
AC11
AC8
AC3
CN861
GND1
P/N:20-45041-80
4P UL1007#20 L=250mm
CN901
R
SPEAKER BOARD
P/N:11-01002-06
L
CN201
ECO
HP-M
MUTE
STBY
L-OUT
GND
R-OUT
TU-L
+12V
+5.6V
DGND
STEREO
CD-EN
PLL-DAT
PLL-CLK
PLL-PER
RDS-CLK
RDS-DAT
CN205
CN110
L-IN
R-IN
GND
AC1
AC2
MAIN BOARD
P/N:11-01002-00
-27V
CGND
+5.6V
D-DADT
D-CLK
D-STB
IR-IN
JOG-A
JOG-B
KEY2
KEY1
0L-DET
0L-PROT
+9V
AGND
P/N:20-41020-00
2 PIN UL2651#28 P=2 L=250 mm
CN208
RL-
SW2
SW1
GND
CN207
CN206
+5V
AC1
AC2
-27V
+12V
+5.6V
DGND
DGND
CGND
P/N:20-51061-20
6 PIN UL1571#30 P=2 L=100 mm
CN402
FM-
SLT
DM-
FM+
DM+
GND
CN204
+5V
RL+
MO-
EMT
MO+
CATH
16.V-CEN
15. COM
14. E
13. D
12. A
8. GND
10. C
7. LD
6. VR
5. PD
4. F+
3. T+
11. B
1. F-
9. F
2. T-
16 P Ul2896 P=1 L=135 mm
CN401
P/N:20-41101-24
10 PIN UL2651#28 P=2 L=250 mm
P/N:25-61135-80
CD DECK
PICK UP
MOTOR BOARD
GND
SW1
SW2
RL+
+5V
RL-
CATH
MO+
EMT
MO-
3CD MODULE
CW3
P/N:25-83100-02
2PIN UL2651#28P=2 L=100 mm
DISPLAY & KEY
CN511
CN510
TOP LEFT KEY
P/N:11-01002-12
LEFT KEY
P/N:11-01002-10
2PIN UL2468#26
P/N:25-94060-80
CN509
CN503
CN505
IR1
GND
IR3
LED+
P/N:20-41130-00
13 PIN UL2651#28 P=2 L=250 mm
CN500
AC1
AC2
-27V
IR-IN
KEY2
KEY1
+5.6V
CGND
D-STB
D-CLK
D-DAT
JOG-A
JOG-B
MAIN KEY
P/N:11-01002-09
P/N:20-41040-00
4 PIN UL2651#28 P=2 L=50 mm
DISPLAY BOARD
P/N:11-01002-07
P/N:25-83050-05
5 PIN UL2651#28 P=2 L=50 mm
CN501
KEY1
KEY2
CGND
JOG-A
JOG-B
CN502
CN506
P/N:25-94060-80
2 PIN UL2468#26
TOP RIGHT KEY
P/N:11-01002-13
RIGHT KEY BOARD
P/N:11-01002-11
CN512
CN508
REMOTE RECEIVE
P/N:11-01002-14
CN514
P/N:25-83100-02
2P UL2651#28 P=2 L=100 mm
CN513
2-1
Block diagrams
for MX-KB22
KEY BOARD SECTION
CD 2
S501
SC6122
REMOTE RECEIVER
ENCODE VOLUME
45
EN500
3
2
1
+9V
U101
TA8189
4CH Pre+Rec
AMP with ALC
BIAS OSC R/P SWITCH
INVERTER CIRCUIT
LOGIC DECK-TP
88 MHz - 108 MHz
FILTER
IC602
TA2149BFN
IF
IC601
TC9257 PLL
AUX INPUT
JOB-A
JOB-B
H CASSETTE A
L CASSETTE B
REC-E
H-PLAY
L-REC
+9V
KEY2
VFD CONTROL / DRIVER
VFD
KEY1
U500 SC6311
KEY SCAN
STB
DATA
CLK
CPU
87EP26F-4K76
REC SIGNAL OUTPUT
FILAMENT
AC3.3V
+5V
STANDBY LED
LED500
GVSW
CDRW GAIN CONTROL
+5V
VCC
DATA AND CONTROL BUS
U406
TC74HC14
STB
DATA
CK
L CH
R CH
L CH
R CH
L CH
R CH
SYSTEM ELECTRONIC VOLUME
680R
R503
L CH
R CH
SDA
REQ
SCL
L CH
R CH
U201 TC9422F
(Tone control input
select main volume)
+5V
SYS_MUTE
PICKUP
A
F
B
C
D
E
U402 TA2153
RF AMPLIFIER
RF
RFCT
RFPP
FEO
U401 TC9462
DIGITAL SERVO
1 BIT D/A CONVERTER
U404 TC94A02F
CD ROM DECODE
MP3 DECODE
D/A CONVERTER
+9V
R832
10K
R831
10K
D803
IN4001
Q812
8050
+9V
LD
R241 10K
Q813
8050
+5V
LIMIT SW
ADDRESS BUS
+VC
IC801 STK402-050
LOW LOGIC DETECT
PROTECT ENABLE
Q860,Q861,Q864,Q865
DETECT
OVERLOAD
FOO
TRO
DMO
FMO
DATA BUS
VDD 3.3V
VDOT 3.3V
-VC
ENABLE
PROTECT
F-
T+
T-
F+
U403 TA2092N
DIGITAL SERVO DRIVER
U405 SRAM (SDDJ)
128K X 8 (15ns)
WHEN USE HEADPHONE
THE CONTROL VOLTAGE
IS LOGIC LOW LEVEL
+9V
VDD 3.3V
CN402
TO CD DECK
HEADPHONE
Q862
8550
R862
10K
R877
22K
Q867
8050
1
2
1
2
FM-
DM-
DM+
+12V
GRID VOLTAGE -27V
AC 3.3V
FILAMENT VOLTAGE
+6V TO CPU
3
4
5
3
4
5
SLT
FM+
+VC
-VC
+12V
+9V
CE803
100UP / 50V
ECO
POWER ON
ECO LOGIC LOW LEVEL
6
6
D849 - D852
D806 - D809
L7809CV
Q803
D845 IN4001
U803
L7806CV
M-
M+
R242 10K
EMIT
ML+
R233 10K
ML-
R232 10K
3CD CHANGER DRIVER SECTION
SW1
SW2
TRANSFORMER
T802
T06910A
1
7
86543211
TR801
R841
10K
10
AC3
AC4
9
Q822
8050
AC5
AC6
AC7
AC8
AC10
AC9
AC12
AC11
D810 - D814
IN1
IN1
IN2
!
RL802
U203 TA7291S
BRIDGE DRIVER
U202 TA7291S
BRIDGE DRIVER
C801
0.01U/250V
!
Q809
8050
CE868
10UF/25V
R842 10K
R814 10K
L803
TO 3CD DECK
T4.0AL250V
+6V
CN204
1
2
3
4
5
6
7
8
9
10
AC PLUG
!
F804
MO+
MO-
CATH
EMIT
+5V
RL+
RL-
SW1
GND
SW2
2-2
Block diagram
for MX-KB1
KEY BOARD SECTION
CD 2
S501
SC6122
REMOTE RECEIVER
ENCODE VOLUME
45
EN500
3
2
1
+9V
U101
TA8189
4CH Pre+Rec
AMP with ALC
JOB-A
JOB-B
H CASSETTE A
L CASSETTE B
KEY2
VFD
KEY1
U500 SC6311
VFD CONTROL / DRIVER
KEY SCAN
STB
DATA
CLK
CPU
87EP26F-4K76
FILAMENT
AC3.3V
+5V
STANDBY LED
R503
LED500
GVSW
CDRW GAIN CONTROL
+5V
VCC
DATA AND CONTROL BUS
680R
+5V
PICKUP
LD
A
F
B
C
D
E
U402 TA2153
RF AMPLIFIER
RF
RFRP
RFCT
FEO
U401 TC9462
DIGITAL SERVO
1BIT D/A CONVERTER
LIMIT SW
+5V
FOO
TRO
DMO
FMO
F-T-T+
DIGITAL SERVO DRIVER
F+
U403 TA2092N
+9V
CN402
TO CD DECK
DM+
+9V
R241 10K
1
2
3
4
5
6
1
2
3
4
5
6
DM-
FM-
FM+
+VC
-VC
SLT
D849 - D852
M-
M+
R242 10K
EMIT
ML+
ML-
3CD CHANGER DRIVER SECTION
SW1
SW2
R233 10K
R232 10K
IN2
BRIDGE DRIVER
IN1
IN1
BRIDGE DRIVER
IN2
U203 TA7291S
U202 TA7291S
TO 3CD DECK
CN204
MO+
1
MO-
2
CATH
3
EMIT
4
+5V
5
RL+
6
RL-
7
SW2
8
GND
9
SW2
10
AC PLUG
BIAS OSC R/P SWITCH
INVERTER CIRCUIT
LOGIC DECK-TP
88 MHz - 108 MHz
Filter (B/EV)
Tuner Pad (E/EN)
IC602
TA2099N (E/EN)
TA2149BFN (B/EV)
IF
IC 600
TC9257 PLL
AUX INPUT
+9V
REC-E
H-PLAY
L-REC
STB
DATA
CK
L CH
R CH
REC SIGNAL OUTPUT
L CH
R CH
L CH
R CH
L CH
R CH
U201 TC9422F
SYSTEM ELECTRONIC VOLUME
(Tone control input
selector main volume)
D803
SYS_MUTE
IN4001
R823
10K
R831
10K
+9V
Q812
8050
IC801 STK402-050
LOW LOGIC DETECT
PROTECT ENABLE
Q860, Q861, Q864, Q865
Q813
8050
+VC
DETECT
PROTECT
OVERLOAD
-VC
WHEN USE HEADPHONE
ENABLE
THE CONTROL VOLTAGE
IS LOGIC LOW LEVEL
HEAD PHONE
Q862
8550
R862
10K
R877
22K
Q867
8050
+12V
GRID VOLTAGE -27V
AC 3.3V
FILAMENT VOLTAGE
+6V TO CPU
ECO
POWER ON
ECO LOGIC LOW LEVEL
+12V
+9V
CE803
100UP / 50V
D806 - D809
L7809CV
Q803
D845 IN4001
U803
L7806CV
AC5
AC6
AC7
AC8
AC10
AC9
AC12
AC11
D810 - D814
TRANSFORMER
!
T802
T06910A
1
10
AC3
7
AC4
86543211
9
TR801
Q822
8050
R841
10K
RL802
C801 L803
0.01U/250V
!
Q809
8050
CE868
10UF/25V
R842 10K
R814 10K
+6V
!
F804
T4.0AL250V
2-3
Standard schematic diagrams
Main section (MX-KB22)
80
79
787776
757473
727170
3835-B
3835-C
3835-A
OL-DET
XIN
XOUT
TEST
Vss
REST
XT-OUT
XT-IN
123456789
PRO-EN
87EP26F-4K76
MUTE
VFD-CLK
F-SHIFT
REMOTE
11
10
81
82
83
3835-AIN
84
85
86
87
88
89
90
91
92
93
94
95
96
PLL-DAT
97
PLL-CLK
98
PLL-PER
99
VDD
100
696867
6665646362
616059
585756
T-A/B
A-PHP
B-CUT
A-PHO
B-PHO
B-T-SW
A-M-SW
B-M-SW
T-MOTO
MP3-REQ
MP3-SDAT
MP3-SCLK
U300
VFD-FTB
SOL-B
POWER
ESS-STB
REC-EN
VFD-DAT
ESS-CLK
ESS-DAT
SOL-A
12
1314151617181920212223242526272829
VOL-CLK
VOL-STB
MR+
ECO
VOL-DAT
REC-SW
RDS-CLK
55
545352
51
VDD
50
JOB-B
JOB-A
Vss
REC-SW
49
BOOT
48
VREF
47
KEY1
46
KEY2
45
KEY3
44
POW-D
43
STEREO
42
RDS-DAT
41
SW2
40
SW1
39
STL
38
MD+
37
MD-
36
DUCK3
35
DUCK2
34
DUCK1
33
BUCK0
32
DUCK
31
CEE
CD.RES
D-SEN
MR-
CD.RW
30
2423222120
CH2/B
CH1/A CH2/A
CH1/B
123456789
19181716151413
NF2
PRE/02
U101 TA8189N
NF1
PRE/01
ME/01 ME/02
A/B
DET
VCC
M/N
MIX/0
AGND
REC/01
REC/02
RNF
REC/I1
CNF
REC/I2
101112
ALC
GND
123456789
101112
13
2-4
Main section (MX-KB1)
13
12
11
10
9
8
7
TO DISPLAY PCB
6
5
4
3
2
1
81
82
83
3835-AIN
84
85
86
87
88
89
90
91
92
93
94
95
96
PLL-DAT
97
PLL-CLK
98
PLL-PER
99
VDD
100
Vss
777675
74
807978
3835-B
3835-A
3835-C
XOUT
XIN
REST
XT-OUT
XT-IN
TEST
123456789
7069686766
737271
OL-DET
PRO-EN
87EP26F-4K76
F-SHIFT
REMOTE
MUTE
VFD-CLK
VFD-FTB
101112
VFD-DAT
131415
MP3-SDAT
MP3-SCLK
U300
ESS-CLK
ESS-DAT
656463
T-A/B
B-CUT
MP3-REQ
ESS-STB
REC-EN
SOL-A
1617181920
626160
T-MOTO
SOL-B
U203 TA7291S
123456789
TO 3CD DECK
595857
A-PHP
A-PHO
B-T-SW
A-M-SW
ECO
VOL-STB
POWER
MR+
21
222324
VDD
50
JOB-B
JOB-A
B-PHO
Vss
B-M-SW
REC-SW
REC-SW
49
BOOT
48
VREF
47
KEY1
46
KEY2
45
KEY3
44
POW-D
43
STEREO
42
RDS-DAT
41
SW2
40
SW1
39
STL
38
MD+
37
MD-
36
DUCK3
35
DUCK2
34
DUCK1
33
BUCK0
32
DUCK
31
CEE
VOL-DAT
VOL-CLK
RDS-CLK
D-SEN
MR-
CD.RW
CD.RES
252627
28
29
30
13
12
11
10
9
8
7
6
5
4
3
2
1
TO CD PART
123456789
TO TUNER PCB
1
2
3
4
5
6
7
8
9
10
52
51
565554
53
3CD DRIVER SECTION
11
10
9
8
7
6
5
4
FROM POWER PCB
3
2
1
242322
21
20191817161514
A/B
NF2
CH2/A
CH2/B
CH1/A
CH1/B
NF1
123456789
VCC
ME/02
PRE/02
U101 TA8189N
ME/01
PRE/01
MIX/0
AGND
3
2
1
1
2
3
4
6
5
7
8
13
REC/01
REC/02
RNF
REC/I1
CNF
REC/I2
101112
ALC
GND
28
27
26
25
24
23
22
21
DET
M/N
3
2
1
9
10
11
12
20
19
18
17
TO MCU
12345678910111213
1
4
2
5
3
6
8
7
CN103
123456789
101112
13
LOGIC DECK-TP
SECTION 2
2
3
1
13
14
16
15
1
2
3
4
5
6
7
M
2-5
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