Embed Size (px)
Citation preview
SCHEMATIC DIAGRAMS
MX-KB2
Contents
Wiring diagram
Block diagram
Standard schematic diagrams
Printed circuit boards
2-1
2-2
2-3
2-10 to 13
CD-ROM No.SML200408
COMPACT COMPONENT SYSTEM
No.MB259SCH
2004/8COPYRIGHT 2004 Victor Company of Japan, Limited.
Area suffix
B ------------------------------ U.K.
E ---------- Continental Europe
EN ----------- Northern Europe
EV ------------- Eastern Europe
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.
2-1
AC CORD
TUNER PCB
CN803
CN802
CN801
CN861
CN804 CN901
ECOHP-M MUTESTBYL-OUTGNDR-OUT
P/N:11-01002-02R.CH-R.CH+GNDL.CH+L.CH-GNDE-S
16.V-CEN
14. E
12. A
10. C
8. GND
6. VR
4. F+
2. T-
15. COM
13. D
11. B
9. F
7. LD
5. PD
3. T+
1. F-
IR1GNDIR3LED+
P/N:11-01002-05
P/N:11-01002-10
P/N:11-01002-12P/N:11-01002-07
P/N:11-01002-09
P/N:11-01002-13
P/N:11-01002-11
P/N:11-01002-14
MAIN KEY
TOP RIGHT KEY
RIGHT KEY BOART
REMOTE RECEIVE
PICK UP
CD DECK
MOTOR PCB
P/N:11-01002-00MAIN PCB
P/N:11-01002-06
SPEAKER PCB
P/N:11-01002-01POWER PCB
P/N:15-01002-02
TRANSFORMER
FM ANT AM ANT
TOP LEFT KEY
LEFT KEY
HEADPHONE PCB
LOGIC DECK
A PLAY HEADER B R/P HEADER
LOGIC DECK CONTROL BUS
L-IN AGNDR-IN
CW3
CN206
CN201
CN110
CN202
CN204
CN207A-M-SWSOL-APHO-AGNDA-T-SWT-MOTORREC-SWPHO-BB-T-SWB-M-SWSOL-BNILGND
CN103
CN500
CN205
CN402
CN401
CN505
CN501
CN502
CN508
CN506CN512
CN514
CN513CN510
CN511
CN902
CN509
CN503
CN601
CN101
CN208
SJ500
AUX INPUT
P/N:20-61030-003 PIN UL2547#30 P=2 L=360mm
P/N:20-61133-01 13P UL2547+2651 P=2 L=370mm
P/N:25-61260-80 13 PIN UL2896 P=1.25 L=260 mm
P/N:25-61135-80 16 P Ul2896 P=1 L=135 mm
P/N:25-94060-80 2 PIN UL2468#26
P/N:20-41051-37 5P UL2651#28 L=500mm
P/N:20-51061-20 6 PIN UL1571#30 P=2 L=100mm
P/N:20-41020-00 2PIN UL2651#28 P=2 L=250mm
P/N:20-41101-24 10PIN UL2651#28 P=2 L=250mm
P/N:20-41040-00 4 PIN UL2651#28 P=2 L=50mm
P/N:20-83050-05 5 PIN UL2651#28 P=2 L=50mm
P/N:20-41130-00 13 PIN UL2651#28 P=2 L=250mm
P/N:25-61070-00 7 PIN UL2854#30 P=2 L=360 mm
P/N:20-61030-023P UL547#30 P=2 L=300mm
P/N:20-45041-80 4P UL1007#20 L=250mm
J601J602
CN504
E/EN/EV Version AC CordP/N.: 30-00300-01L
1).
REMARK:
B Version AC CordP/N.: 30-00300-02L
2).
R
L
AUX INPUT PCBP/N:11-01002-05
DISPLAY & KEY
P/N:25-83100-022PIN UL2651#28P=2L=100mm
P/N:25-94060-802PIN UL2468#26
DISPLAY BOARD
P/N
:25
-83
10
0-0
22
P U
I26
51
#2
8 P
=2
L=
10
0m
m
3C
D M
OD
UL
E
P/N
:20
-61
07
3-1
17
P U
L2
54
7+
26
51
P=
2 L
=2
50
mm
P/N
:20
-42
11
0-0
01
1P
UL
10
07
#2
2 P
2.5
L=
25
0m
m
TU
-RA
GN
DT
U-L
+1
2V
+5
.6V
DG
ND
ST
ER
EO
CD
-EN
PL
L-D
AT
PL
L-C
LK
PL
L-P
ER
RD
S-C
LK
RD
S-D
AT
R-I
NG
ND
L-I
N
OL
-DE
TO
L-P
RO
T
GN
DS
LT
FM
+F
M-
DM
-D
M+
AC
1A
C2
-27
VC
GN
D+
5.6
VD
-DA
TD
-CL
KD
-ST
BIR
-IN
JO
G-A
JO
G-B
KE
Y2
K
EY
1
SW
2G
ND
SW
1R
L-
RL
++
5V
EM
TC
AT
HM
O-
MO
+
+O
M-O
MH
TA
CT
ME
V5
++
LR
-LR
1W
SD
NG
2W
S
AC
1A
C2
-27
VC
GN
D+
5.6
VD
-DA
TD
-CL
KD
-ST
BIR
-IN
JO
G-A
JO
G-B
KE
Y2
KE
Y1
CG
ND
KE
Y1
KE
Y2
JO
G-A
JO
G-B
CG
ND
KE
Y1
KE
Y2
JO
G-A
JO
G-B
TU
-RA
GN
DT
U-L
+1
2V
+5
.6V
DG
ND
ST
ER
EO
CD
-EN
PL
L-D
AT
PL
L-C
LK
PL
L-P
ER
RD
S-C
LK
RD
S-D
AT
+9
VA
GN
DD
GN
DD
GN
D+
12
V+
5V
+5
.6V
CG
ND
-27
VA
C1
AC
2
Wiring diagram
2-2
7
TO 3CD DECK
FM RECEIVERHEADER
IC 602TA2099N
IC 600TC9257 PLL
LOGIC DECK-TP
BIAS OSC R/P SWITCH INVERTER CIRCUIT
U101TA8189
4CH Pre+RecAMP With ALC
IF
+9V
ENCODE VOLUME
REMOTE RECEIVER
SC6122
KEY BOARD SECTION
REC SIGNAL OUTPUT
U201 TC9422FSYSTEM ELECTRONIC VOLUME
(Tone control Input selector Main volume)
U404 TC94A02FCD ROM DECODE
MP3DECODE DA CONVERTER
U401 TC9462DIGITAL SERVO
1 BIT DA CONVERTER
U402 TA2153RF AMPLIFIER
PICK UP VFD
U500 SC6311VFD CONTROL / DRIVER
KEY SCAN
CUP
87EP26F-4K76
H CASSETTE AL CASSETTE B
REC-E
H-PLAYL-REC
+9V
JOB-AJOB-B
CLK
DATA
STB
KE
Y2
FIL AMENTAC3.3V
STANDBY LED
GVSW CDRW GAIN CONTROL
DATA AND CONTROL BUS
+5VVCC
LE
D500
R503
680R
L CH
R CH
SDA
REQ
SCL U406TC74HC14
R C
H
L C
H
R CH
L CH
CK
DATASTB
+9V
R83210K
R83110K
R CH
L CH
R CH
L CH
EN
500
4 5
3 2 1
S501
CD 2
AUX INPUT
+5V E
D
A
B
C
F LD
R F
R
FP
P
RFC
T
FE
O
LIMIT SW
D803IN4001SYS_MUT
Q8128050
Q8138050
LOW LOGIC DETECTPROTECT ENABLEQ860.861.864.865
OV
ER
LO
AD
DE
TE
CT
PR
OTE
CT
EN
AB
LE
IC801 STK402-050
+V
C
-VC
ADDRESS BUS
DATA BUS
VDD 3V
VDOT 3.3V
U405 SRAM (SDJ)128K X 8 (15ns)
VDD 3.3V
WHEN USE HEAD PHONETHE CONTROL VOLTAGE
IS LOGIC LOW LEVEL
+5V
FOO
TRO DMO FMO
U403 TA2092NDIGITAL SERVO DRIVER
+9V
F-
T-
T+
F+
CN
402
TO
CD
DE
CK
DM
+
DM
-
FM
-
FM
+
SLT
+5V
HEAD PHONE
Q8628550
R86210K
R87722K
Q8675050
GRID VOLTAGE-27VAC 3.3VFILAMENT VOLTAGE+6V TO CUP
ECOPOWER ONECO LOGIC LOW LEVEL
+12V
CE803100UP / 50V D845 IN4001
U803L7806CV
D810-D814
TR801
Q8228050
Q809 8050
CE86810UF/25V
R84110K
R842 10K
R814 10K +6V
AC12
AC11
AC10 AC9
AC8
AC7
AC6
AC5
D849-D852
D806-809L7809CV
Q803
+VC
-VC
+12V
+9V
SW1
SW2
3CD CHANGER DRIVER SECTION
R232 10KML-
R233 10K
ML+ IN1
IN2
U202 TA7291SBRIDGE DRIVER
U203 TA7291SBRIDGE DRIVER
EMIT
M-
M+ R242 10K
R241 10KIN2
IN1
+9V
AC3
AC4 9
10
TRANSFORMER T802
T06910A
C8010.01U/250V
L803 L804
T4.0A L250V
AC PLUG
8 6
5 4
3 2
11 1
RL802
CN204
MO+
MO-
CATH
EMIT
+5V
RL+
RL-
SW1
GND
SW2
1
2
3
4
5
6
7
8
9
10
1 2 3 4 5 6
1 2 3 4 5 6
KE
Y1
!
!
!
Block diagram
2-3
PROTECT CIRCUIT
AMPSTK402-050
!
! !
!
!
!
!
! !
!
!
!
METAL FILM RESISTORSNONFLAME FUSIBLE
AC PLUG
!
Standard schematic diagrams
Power amp. / Primary section
2-4
1 2 3 4 5 6 7 8 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Vss
XO
UT
XIN
RE
SE
T
XT
-OU
T
XT
-IN
TE
ST
F-S
HIF
T
RE
MO
TE
MU
TE
VF
D-C
LK
VF
D-F
TB
VF
D-D
AT
ES
S-C
LK
ES
S-D
AT
E
ES
S-S
TB
E
RE
C-E
N
SO
L-A
SO
L-B
EC
O
VO
L-S
TB
PO
WE
R
MR
+
VO
L-D
AT
VO
L-C
LK
RD
S-C
LK
D-S
EN
MR
-
CD
.RW
CD
.RE
S CEE
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
63
62
61
60
59
58
57
56
55
54
53
52
51
65
64
38
35
-C3
38
35
-B
38
35
-A
PR
O-E
N
OL
-DE
T
MP
3-S
CL
K
MP
3-S
DA
T
MP
3-R
EQ
T-A
/B
B-C
UT
T-M
OT
O
A-P
HP
A-P
HO
A-M
-SW
B-T
-SW
B-P
HO
B-M
-SW
RE
C-S
W
RE
C-S
W
JO
B-A
JO
B-B
VD
D
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
Vss
BOOT
VREF
KEY1
KEY2
KEY3
POW-D
STEREO
RDS-DAT
SW2
SW1
STL
MD+
MD-
DUCK3
DUCK2
DUCK1
BUCK0
DUCK
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
PLL-DAT
PLL-CLK
PLL-PER
VDD
3835-AIN
U300
87EP26F-4K76
1 2 3 4 5 6 7 8 9
10
11
12
13
1 2 3 4 5 6 7 8 9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
CH
1/A
CH
1/B
NF
1
ME
/01
PR
E/0
1
MIX
/0
AG
ND
M/N
RE
C/0
2
CN
F
RE
C/I
2R
GN
D
CH
2/A
CH
2/B
NF
2
ME
/02
PR
E/0
2
A/B
VC
C
DE
T
RE
C/0
1
RN
F
RE
C/I
1
AL
C
U101 TA8189N
Main section
2-5
3CD 08 00:08
FROM MAIN PCBDISPLAY BOARD
MAIN KEY BOARD
ENCODER VOLUME
RIGHT KEY BOARD TOP RIGHT KEY BOARD
LEFT KEY BOARD TOP LEFT KEY BOARD
ST
AN
DB
Y L
ED
Display & Key control section
2-6
TC9462F
U401
TO PICK UP
TO CD DECKTO MCU
CD control section
2-7
U404TC94A02F
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
RESET
MIMD
AD0
AD1
SDA
SCL
AD2
VDDT
SD0
AD3
AD4
SDIO
BCKIA
LRCKIA
AD5
CE
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
VSS
IO1
IO0
AD15
AD16
WR
AD14
AD13
VSS
REQ
AD6
AD7
AD8
VDDT
AD9
AD10
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
VS
SX
XO XI
VD
DX
CK
O
VD
DP
VC
OI
PD
O
VS
SP
IO7
IO6
IO5
VD
D
IO4
IO3
IO2
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
DV
D
DE
VS
S
ST
AN
DB
Y
VR
AL
VS
SL
VD
AL
LO
VD
AR
VR
AR
RO
TE
ST
P
VS
SR
CK
S
AD
11
AD
12
16
45
14
13
12
11
10
9 8 7 6 5 4 3 2 1
GN
D
IO3
IO2
IO1
AD
0
AD
1
AD
2
AD
3
AD
4
AD
5
AD
6
AD
7
AD
12
AD
14
AD
16
NC
IO4
IO5
IO6
IO7
IO8
CE
1
AD
10
OE
AD
11
AD
9
AD
8
AD
13
WE
CE
2
AD
15
VD
D
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
TO MCU
SDA
REQ
SCL
MP3 section
2-8
NOTES:
ALL OF THE VOLUME OF THE COMPONENT VOLTAGE
TESTED AT THE FM MODE. NO SIGNAL INPUT STATUS
RGND FM-RF LOWCUT
MIXOUT
VCC AM-IF FM-IF GND AGC QUAD R/OUT L/OUT
LPF2LPF1MPX-INDET-OUTIF-REQSTDSC-OUTAM-OSCFM-OSCAM-RFRF-VCCFM-RF/O
IC602 TA2149BN
PLL_PER
PLL_CLK
PLL_DATA
CD_EN
ST
DGND
+5.6V
+12V
TU_L
AGND
TU_R
Tuner section (for B, EV version)
2-9
FOR FM TUNER MODEL
AM LOOP
NOTES:
ALL OF THE VOLUME OF THE COMPONENT VOLTAGE
TESTED AT THE FM MODE. NO SIGNAL INPUT STATUS
/FM S.SENSAM OSC OUT
Tuner section (for E,EN version)
2-10
Main board
(forward side) (reverse side)
Printed circuit boards
2-11
Display board (forward side)
(reverse side)
Power board (forward side)
(reverse side)
2-12
Tuner board for B/EV version
(forward side)
(reverse side)
Tuner board for E/EN version
(forward side)
(reverse side)
2-13
Speaker jack board
Headphone board
(forward side) (reverse side)
Victor Company of Japan, Limited
(No.MB259SCH)Printed in Japan
WPC
AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan
