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
CD section (MX-KB22)
TO MCU
TO CD DECK
TO PICK UP
U401
TC9462F
2-6
CD section (MX-KB1)
TO MCU
TO MCU
U401
TC9462F
2-7
MP3 section (MX-KB22)
SDA
REQ
SCL
TO MCU
646362616059585756555453525150
XI
XO
VSSX
1
RESET
2
MIMD
3
AD0
4
AD1
5
SDA
6
SCL
7
AD2
8
VDDT
9
SD0
10
AD3
11
AD4
12
SDIO
13
BCKIA
14
LRCKIA
15
AD5
16
CE
DE
VDD
171819202122232425262728293031
VDDX
VSS
STANDBY
CKO
VDDP
VSSL
VRALLOVDAL
PDO
VCOI
VSSP
U404
TC94A02F
VDARROVRAR
1615141312111098765432
IO3
IO2
IO1
AD2
AD0
AD1
AD3
AD4
AD5
AD10
AD6
OE
AD9
AD8
AD11
49
ID6
IO7
IO5
VSSR
VDD
TESTP
IO4
CKS
IO3
AD12
32
IO2
AD11
VSS
AD15
AD16
AD14
AD13
VSS
REQ
AD6
AD7
AD8
VDDT
AD9
AD10
48
47
IO1
46
IO0
45
44
43
WR
42
41
40
39
38
37
36
35
34
33
GND
IO6
IO7
CE1
IO8
IO4
IO5
171819202122232425262728293031
AD13
1
NC
AD7
AD16
AD12
AD14
WE
VDD
CE2
AD15
32
2-8
Power section (MX-KB22)
METAL FILM RESISTORS
NONFLAME FUSIBLE
AC PLUG
!
AMP
STK402-050
PROTECT CIRCUIT
!
!
!
!
!
!
!
!
!
!
!
!
2-9
Power section (MX-KB1)
METAL FILM RESISTORS
NONFLAME FUSIBLE
AC PLUG
!
AMP
STK402-050
PROTECT CIRCUIT
!
!
!
!
!
!
!
!
!
!
2-10
!
Tuner section (MX-KB22)
RGND FM-RF LOW
CUT
MIX
VCC AM-IF FM-IF GND AGC QUAD R/OUT L/OUT
OUT
IC602 TA2149BN
LPF2LPF1MPX-INDET-OUTIF-REQSTDSC-OUTAM-OSCFM-OSCAM-RFRF-VCCFM-RF/O
TU_R
AGND
TU_L
+12V
+5.6V
DGND
ST
CD_EN
PLL_DAT
PLL_CLK
PLL_PER
NOTES:
ALL OF THE VOLUME OF THE COMPONENT VOLTAGE
TESTED AT THE FM MODE. NO SIGNAL INPUT STATUS
2-11
Tuner section (only MX-KB1 E/EN)
AM LOOP
FOR FM TUNER MODEL
ANT NC GND VCC VT OSC OUTGND IF OUT
/FM S.SENS
AM OSC OUT
NOTES:
ALL OF THE VOLUME OF THE COMPONENT VOLTAGE
TESTED AT THE FM MODE. NO SIGNAL INPUT STATUS
2-12
Tuner section (only MX-KB1 B/EV)
RGND FM-RF LOW
CUT
MIX
VCC AM-IF FM-IF GND AGC QUAD R/OUT L/OUT
OUT
IC602 TA2149BN
LPF2LPF1MPX-INDET-OUTIF-REQSTDSC-OUTAM-OSCFM-OSCAM-RFRF-VCCFM-RF/O
TU_R
AGND
TU_L
+12V
+5.6V
DGND
ST
CD_EN
PLL_DATA
PLL_CLK
PLL_PER
NOTES:
ALL OF THE VOLUME OF THE COMPONENT VOLTAGE
TESTED AT THE FM MODE. NO SIGNAL INPUT STATUS
2-13
Display & Key section (MX-KB22)
3CD 08 00:08
ENCODER VOLUME
STANDBY LED
FROM MAIN BOARD
DISPLAY BOARD
MAIN KEY BOARD
RIGHT KEY BOARD
LEFT KEY BOARD
TOP RIGHT KEY BOARD
TOP LEFT KEY BOARD
2-14
Display & key section (for MX-KB1)
3CD 08 00:08
ENCODER VOLUME
STANDBY LED
FROM MAIN PCB
DISPLAY BOARD
MAIN KEY BOARD
RIGHT KEY BOARD
LEFT KEY BOARD
TOP RIGHT KEY BOARD
TOP LEFT KEY BOARD
2-15
Printed circuit boards
Main board
(forward side) (reverse side)
2-16
Display board (forward side)
Power board (forward side)
(reverse side)
(reverse side)
2-17
Tuner board for B/EV version
Tuner board for E/EN version
(forward side)
(forward side)
(reverse side)
(reverse side)
2-18
Headphone board
(forward side) (reverse side)
Speaker jack board
2-19
Victor Company of Japan, Limited
AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan
(No.MB306SCH)
Printed in Japan
WPC
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