How it Works
JVC
Loading...
MX-KB15
Parts List
15 pgs425.97 Kb0
Schematics
14 pgs5.74 Mb0
Service Manual
32 pgs1.03 Mb0
User Manual
56 pgs5.9 Mb0
User Manual
30 pgs3.14 Mb0

JVC MX-KB15, MX-KB2 Schematics

Download
Page 1

SCHEMATIC DIAGRAMS

COMPACT COMPONENT SYSTEM
MX-KB2,MX-KB15
CD-ROM No.SML200408
Contents
Wiring diagram Block diagram Standard schematic diagrams Printed circuit boards
COPYRIGHT 2004 Victor Company of Japan, Limited.
Area suffix
C ------------------------- Canada
2-1 2-2 2-3
No.MB287SCH
2004/8
Page 2
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.
Page 3

Wiring diagram

AC CORD P/N.: 30-00300-00L (AC 120V - 60 Hz)
P/N:11-01002-16
CN802
Power board
CN801
CN804
P/N:20-41051-37
5P UL2651#28 L=500 mm
CN902
Headphone board
P/N:11-01002-05
FM ANT
Tuner board
P/N:11-01002-03
P/N:20-61030-00
3 PIN UL2547#30 P=2 L=360 mm
A PLAY HEADER
LOGIC DECK CONTROL BUS
AUX INPUT
SJ500
CN504
AUX input board
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=2L=360 mm
LOGIC DECK
B R/P HEADER
P/N:25-61260-80 13 PIN UL2896 P=1.25 L=260 mm
P/N:11-01002-05
Transformer
P/N:15-01002-00
P/N:20-61030-02
3P UL547#30 P=2 L=300 mm
P/N:20-61133-01
13P UL2547+2651 P=2 L=370 mm
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
P/N:20-61073-11
7P UL2547+2651 P=2 L=250 mm
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=250 mm
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
P/N:11-01002-00
AC2
AC1
Main board
IR-IN
D-STB
D-CLK
D-DAT
+5.6V
CGND
-27V
JOG-A
OL-DET
OL-PROT
KEY1
KEY2
JOG-B
+9V
AGND
P/N:20-41020-00 2 PIN UL2651#28 P=2 L=250 mm
CN208
RL-
SW1
SW2
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
11. B
10. C
9. F
8. GND
7. LD
6. VR
5. PD
4. F+
3. T+
2. T-
1. F-
CN401
P/N:20-41101-24
10 PIN UL2651#28 P=2 L=250 mm
P/N:25-61135-80 16 P Ul2896 P=1 L=135 mm
CD DECK
PICK UP
SW2
GND
SW1
RL-
RL+
+5V
3CD MODULE
EMT
CATH
MO-
MO+
CW3
Motor board
P/N:25-83100-02
2PIN UL2651#28 P=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
CGND
KEY1
KEY2
CN502
JOG-A
JOG-B
CN506
P/N:25-94060-80 2 PIN UL2468#26
Top light key
P/N:11-01002-13
Right key board
P/N:11-01002-11
CN512
CN508
Remote receive
P/N:11-01002-14
CN514
CN513
P/N:25-83100-02
2P UL2651#28 P=2 l-100 mm
2-1
Page 4

Block diagram

Key board section
CD2
S501
VFD CONTROL / DRIVER
SC6122
REMOTE RECEIVER
ENCODE VOLUME
45
JOG-A JOG-B
EN500
321
+9V
U101
TA8189 4CH Pre+Rec AMP with ALC
BIAS OSC
R/P SWITCH CIRCUIT
H CASS A L CASS B
REC-E H-PLAY
L-REC
LOGIC DECK-TP
+9V
IC602
TA2149BFN
IF
IC600
TC9257 PLL
AUX INPUT
VFD
KEY2
KEY1
U500 SC6311
KEY SCAN
CLK
DATA
CPU
87EP26F-4K76
STB
REC SIGNAL
OUTPUT
Filament
AC3.3V
+5V
STANDBY LED
GVSW
CDR-W GAIN
CONTROL
+5V
VCC
DATA AND CONTROL
U406
TC74HC14
STB DATA
CK
L CH
R CH
L CH
R CH
+5V
R503
680R
LED500
BUS
L CH
R CH SDA
REQ
SCL
L CH
R CH
U201 TC9422F
SYSTEM E.VOLUME
(Tone control input
selector Main volume)
SYS_MUTE
PICKUP
EDA
F
B
C
LD
U402 TA2153
RF AMPLIFIER
RF
RFPP
RFCT
FEO
U401 TC9462
DIGITAL SERVO
1 BIT D/A CONVERTER
U404 TC94A02F
CD ROM DECODE
MP3 DECODE
D/A CONVERTER
+9V
R832
10k
R83110k
D803
IN4001
Q812
8050
LIMIT SW
Q813
8050
F-
+5V
FOO TRO DMO
FMO
DIGITAL SERVO DRIVER
ADDRESS BUS
DATA BUS
VDD 3V
VDOT 3.3V
+VC
-VC
IC801 STK402-050
LOW LOGIC DETECT
PROTECT ENABLE
Q860,Q861,Q864,Q865
DETECT
OVERLOAD
PROTECT
When use headphone
the control voltage is
ENABLE
T-
T+
F+
U403 TA2092N
U405 SRAM (SDJ)
128k x 8 (15ns)
logic low level
+9V
R241
123456
CN402
123456
TO CD DECK
M-
M+
EMIT
R242
10k
IN2
U203 TA7219S
BRIDGE DRIVER
IN1
10k
R233
10k
+9V
DM+
DM-
FM-
FM+
SLT
ML+
ML-
R232
IN1
U202 TA7219S
BRIDGE DRIVER
IN2
10k
TO 3CD DECK
CN204
MO+
1
MO-
2
CATH
3
EMIT
4
+5V
5
RL+
6
RL-
7
SW1
8
GND
9
SW2
10
3CD CHANGER DRIVER SECTION
SW1
VDD 3.3V
SW2
+VC
AC PLUG
HEADPHONE
Q862
8550
+12V
-VC
+12V
+9V
CE803
100uP/50V
D849-D852
D806-D809
L7809CV
Q803
D845
IN4001
U803
L7806CV
AC7
AC10
AC12
AC11
AC8
AC9
AC5
T802
T06910A
1
7
86543211
!
TRANSFORMER
10
AC3
AC4
9
!
F804
T2.0A/250V
R862
10k
R877
22k
GRID VOLTAGE -27V
AC 3.3V
FILAMENT VOLTAGE
Q867
8050
+6V TO CPU
2-2
Page 5
PRE_AMP
AMP STK402-050

Standard schematic diagrams

Primary / Power amp section
!
!
PROTECT CIRCUIT
!
!
!
!
!
!
2-3
Page 6
Main section
80
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
123456789
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
T-A/B
A-PHP
B-CUT
3835-B
3835-A
3835-C
XOUT
OL-DET
PRO-EN
MP3-SCLK
U300
87EP26F-4K76
XIN
REST
XT-OUT
XT-IN
TEST
F-SHIFT
REMOTE
MUTE
VFD-CLK
VFD-FTB
VFD-DAT
ESS-CLK
101112131415161718192021222324252627282930
A-PHO
B-T-SW
A-M-SW
T-MOTO
MP3-REQ
MP3-SDAT
ESS-DAT
ESS-STB
REC-EN
SOL-A
SOL-B
ECO
VOL-STB
POWER
MR+
VDD
50
JOB-B
JOB-A
B-PHO
VOL-DAT
B-M-SW
VOL-CLK
REC-SW
RDS-CLK
REC-SW
D-SEN
Vss
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
MR-
CD.RW
CD.RES
NF2
ME/02
PRE/02
U101 TA8189N
NF1
ME/01
PRE/01
19181716151413
A/B
DET
VCC
MIX/0
AGND
M/N
2423222120
CH2/A
CH2/B
CH1/A
CH1/B
123456789
REC/01
REC/02
RNF
REC/I1
CNF
REC/I2
101112
ALC
GND
123456789
101112
13
2-4
Page 7
Display / Key control section
3CD 08 00:08
ENCODER VOLUME
FROM MAIN PCB
STANDBY LED
DISPLAY BOARD
MAIN KEY BOARD
RIGHT KEY BOARD
LEFT KEY BOARD
TOP RIGHT KEY BOARD
TOP LEFT KEY BOARD
2-5
Page 8
CD section
TO MCU
TO
CD
DECK
TO PICK UP
U401
TC9462F
2-6
Page 9
MP3 section
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
STANDBY
VDDX
VSS
CKO
VDDP
VSSL
VRALLOVDAL
VCOI
TC94A02F
PDO
U404
IO7
VSSP
VDARROVRAR
1645141312111098765432
IO3
IO2
IO1
AD0
AD1
AD2
AD3
AD4
AD5
AD10OEAD11
AD6
AD9
AD8
49
ID6
IO5
IO4
IO3
CKS
AD12
IO2
48
VSS
47
IO1
46
IO0
45
AD15
44
AD16
43
WR
42
AD14
41
AD13
40
VSS
39
REQ
38
AD6
37
AD7
36
AD8
35
VDDT
34
AD9
33
AD10
AD11
32
VSSR
VDD
TESTP
GND
CE1
IO5
IO6
IO7
IO8
IO4
171819202122232425262728293031
AD7
AD12
AD13WECE2
AD14
AD15
AD16
1
NC
VDD
32
2-7
Page 10
Tuner section
RGND FM-RF LOW
CUT
MIX
VCC AM-IF FM-IF GND AGC QUAD R/OUT L/OUT
OUT
IC602 TA2149BFN
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
2-8
NOTES:
ALL OF THE VOLUME OF THE COMPONENT VOLTAGE
TESTED AT THE FM MODE. NO SIGNAL INPUT STATUS
Page 11

Printed circuit boards

Main board
(forward side) (reverse side)
2-9
Page 12
Display board
Tuner board
(forward side)
(forward side)
(reverse side)
(reverse side)
2-10
Page 13
Trans board
(forward side)
!
!
!
!
!
!
(reverse side)
2-11
Page 14
Victor Company of Japan, Limited
AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan
(No.MB287SCH)
Printed in Japan
WPC
Loading...
Buy Points How it Works FAQ Contact Us Questions and Suggestions Privacy Policy Cookie Policy Terms of Use