KENWOOD X92-4750-0X Service Manual

Cover page of KENWOOD X92-4750-0X Service Manual

Service Manual for KENWOOD X92-4750-0X, downloadable as a PDF file.

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© 2003-6 PRINTED IN JAPAN
B53-0052-00 (N) 3365
DVD MECHANISM ASSY
SERVICE MANUAL
X92-4400-0x/4730-0x
X92-4740-0x/4750-0x
DVD UNIT
ROLLER LEVER ASSY
DISC GUIDE ASSY
MAIN CHASSIS ASSY
CLAMP CHASSIS ASSY
OUTER CHASSIS ASSY
FRONT CHASSIS ASSY
DAMPER x 4
FLOATING SPRING x 4
CONSTRUCTION OF MAJOR PARTS
DESCRIPTION MECHANISM
X92-4400-00 (DVS-3000) :
X92-4400-01 (DVS-3001) :
X92-4730-00 (DVS-3010) :
X92-4730-01 (DVS-3011) :
X92-4740-00 (DVS-3020) :
X92-4740-01 (DVS-3021) :
X92-4740-02 (DVS-3022) :
X92-4740-03 (DVS-3023) :
X92-4750-00 (DVS-3030)
X92-4750-01 (DVS-3031)
X92-4750-02 (DVS-3032)
X92-4750-03 (DVS-3033)
background image
© 2003-6 PRINTED IN JAPAN
B53-0052-00 (N) 3365
DVD MECHANISM ASSY
SERVICE MANUAL
X92-4400-0x/4730-0x
X92-4740-0x/4750-0x
DVD UNIT
ROLLER LEVER ASSY
DISC GUIDE ASSY
MAIN CHASSIS ASSY
CLAMP CHASSIS ASSY
OUTER CHASSIS ASSY
FRONT CHASSIS ASSY
DAMPER x 4
FLOATING SPRING x 4
CONSTRUCTION OF MAJOR PARTS
DESCRIPTION MECHANISM
X92-4400-00 (DVS-3000) :
X92-4400-01 (DVS-3001) :
X92-4730-00 (DVS-3010) :
X92-4730-01 (DVS-3011) :
X92-4740-00 (DVS-3020) :
X92-4740-01 (DVS-3021) :
X92-4740-02 (DVS-3022) :
X92-4740-03 (DVS-3023) :
X92-4750-00 (DVS-3030)
X92-4750-01 (DVS-3031)
X92-4750-02 (DVS-3032)
X92-4750-03 (DVS-3033)
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2
X92-4400-0x/4730-0x
X92-4740-0x/4750-0x
MODEL NAME
X92-4400-00
X92-4400-01
X92-4740-00
X92-4740-01
X92-4740-02
X92-4740-03
MECHANISM NAME
DVS-3000
DVS-3001
DVS-3020
DVS-3021
DVS-3022
DVS-3023
X37
X37-1020-00
X37-1020-00
X37-1020-00
X37-1020-00
X37-1020-00
X37-1020-00
PICKUP
T25-0222-05
T25-0222-05
T25-0222-05
T25-0222-05
T25-0222-05
T25-0222-05
DVD
TM
TMTMTMTM
TM
CD
TM
TMTMTMTM
TM
DISC PROTECTION MECHANISM
×
TM
××
TMTM
EXPORT PACKING SPECIFICATION
××
×
TM
×
TM
DESTINATION
A0
A1
A2
A3
A4
A5
MODEL NAME
X92-4730-00
X92-4730-01
X92-4750-00
X92-4750-01
X92-4750-02
X92-4750-03
MECHANISM NAME
DVS-3010
DVS-3011
DVS-3030
DVS-3031
DVS-3032
DVS-3033
X37
X37-1020-01
X37-1020-01
X37-1020-01
X37-1020-01
X37-1020-01
X37-1020-01
PICKUP
T25-0299-05
T25-0299-05
T25-0299-05
T25-0299-05
T25-0299-05
T25-0299-05
DVD
TM
TMTMTMTM
TM
CD
×
××××
×
DISC PROTECTION MECHANISM
×
TM
××
TMTM
EXPORT PACKING SPECIFICATION
××
×
TM
×
TM
DESTINATION
B0
B1
B2
B3
B4
B5
DVD MECHANISM TABLE
Grease Name
Ref. No.
Description
Application position
1
CHASSIS
MOLD GEAR CONTACT POINT
2
CHASSIS
PICKUP CONTACT POINT
15
SLIDER
GEAR CONTACT POINT
30
CAM
ARM ASSY (21) CONTACT POINT
CFD-703ZA (BLUE)
33
GEAR
GEAR WHOLE
34
GEAR
GEAR WHOLE
35
GEAR
GEAR WHOLE
36
GEAR
GEAR WHOLE
37
GEAR
GEAR WHOLE
38
GEAR
GEAR WHOLE
PFD-602Z
1
CHASSIS
SLIDER (17, 18) & LOCK ARM (25, 26) CONTACT POINT
KW-223
VM3
SLED MOTOR
GEAR WHOLE
HF-30
44
SHAFT
SHAFT WHOLE
USE GREASE TABLE
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3
X92-4400-0x/4730-0x
X92-4740-0x/4750-0x
BLOCK DIAGRAM
DVD MECHANISM ASS'Y
( X92-4400-0x : DVS-300x / X92-4740-0x : DVS-302x )
UNIT
LOADING SW
DVD UNIT (X37-1020-00)
VM1
SPINDLE
MOTOR
DISC
OPTICAL LASER
PICKUP
LD(650nm,780nm)
VPU1
STEPPING MOTOR
2 PHASE
CN1 :
30PIN
CN3 :
11PIN
4PIN
CN2 :
MOTOR &
DRIVER
ACTUATOR
IC6
FEED
VM2
MOTOR
LA6505
5V AVR.
Q6
M
MOTOR
LOADING
VM3
IC7
PROCESSOR
FRONT END
AN8703FH
IC1
IC2
IOP
DET
MICROPROCESSOR
DF2328VTE25Q5
TH1
THERMISTER
EEPROM
IC11
S-24C04BMFN
Q1,2,4,5
HD74LV2G66A
ANALOG SW
IC4
OPTICAL DISC
CONTROLLER
MN103S26E
S-80829CLBB
IC5
RESET IC
CN4 :
50PIN
4PIN
CN4 :
4PIN
S4 : DOWN SW
S5 : SLT
3.3V REG
NJM2880U33
IC10
D3.3V
A3.3V
D5V
A5V
1.8V REG
UPC2918T
IC9
1.8V
VOLTAGE DET
S-80815CLBB
IC8
to
MAIN
UNIT
Tr
APC
U.
V
.W
COIL
HALL
BIAS
HALL
SENSOR
DVD LD/CD LD
VC(2.2V)
MD(DVVD/CD)
I/V OUT(DVD/CD)
FO+/-,TR+/-
HFM VCC
A5V
PD VCC
PWMx2
7V
BTLx2
8
3
PWM
SOFT-SW
7V
VHALF(1.65V)
FG
D/A
SLED
MUTE
LO/EJECT
DRV1.65
A/D
(D
VD
ONL
Y)
2
A5V
to A/D
5V
A3.3V
A/D
A/D
A/D
IOP DET
VHALF(1.65V)
SD
A
SCK
EEPON
WP
D3.3V
4
SEN
STBY
STDIO
SCK
7
4
BALANCE TRANSFER
HFM
ON
VHALF(1.65V)
NARF
TSTSG
VHALF(1.65V)
TRCRS
TE
TRDRV
ARF
JLINE
FBAL
TMBAL
FE
OFTR
RFENV
AS
BDO
VREF2
FODRV
SPDRV
FG
CLK
OUT
NRESET
A0-A17
D0-D7
XWR
XINT0
CPU
IREQ
XCS
XRD
XINT1
XW
AIT
ODC
MON(TZC
,OFTR,DRDT)
18
8
3
4
16.897849MHz
RESET
DATA BUS
ADDRESS BUS
MONITOR
D3.3V
D5V A3.3V
1.8V
D3.3V
16.897849MHz
X1
NRST
D3.3V
S/P DIF
AUDIO OUT
ATAPI IF
5V
7V
DISC DET
A
B
C
D
4
SW
SW
ON/OFF
A5V
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4
X92-4400-0x/4730-0x
X92-4740-0x/4750-0x
BLOCK DIAGRAM
DVD MECHANISM ASS'Y
( X92-4730-0x : DVS-301x / X92-4750-0x : DVS-303x )
UNIT
LOADING SW
DVD UNIT (X37-1020-01)
VM1
SPINDLE
MOTOR
DISC
OPTICAL LASER
PICKUP
LD(650nm)
VPU1
STEPPING MOTOR
2 PHASE
CN1 :
30PIN
CN3 :
11PIN
4PIN
CN2 :
MOTOR &
DRIVER
ACTUATOR
IC6
FEED
VM2
MOTOR
LA6505
5V AVR.
Q6
M
MOTOR
LOADING
VM3
IC7
PROCESSOR
FRONT END
AN8703FH
IC1
IC2
IOP
DET
MICROPROCESSOR
DF2328VTE25Q5
TH1
THERMISTER
EEPROM
IC11
S-24C04BMFN
Q2,4,5
HD74LV2G66A
ANALOG SW
IC4
OPTICAL DISC
CONTROLLER
MN103S26E
S-80829CLBB
IC5
RESET IC
CN4 :
50PIN
4PIN
CN4 :
4PIN
S4 : DOWN SW
S5 : SLT
3.3V REG
NJM2880U33
IC10
D3.3V
A3.3V
D5V
A5V
1.8V REG
UPC2918T
IC9
1.8V
VOLTAGE DET
S-80815CLBB
IC8
to
MAIN
UNIT
Tr
APC
U.
V
.W
COIL
HALL
BIAS
HALL
SENSOR
DVD LD/CD LD
VC(2.2V)
MD(DVVD/CD)
I/V OUT(DVD/CD)
FO+/-,TR+/-
HFM VCC
A5V
PD VCC
PWMx2
7V
BTLx2
8
3
PWM
SOFT-SW
7V
VHALF(1.65V)
FG
D/A
SLED
MUTE
LO/EJECT
DRV1.65
A/D
(D
VD
ONL
Y)
2
A5V
to A/D
5V
A3.3V
A/D
A/D
A/D
IOP DET
VHALF(1.65V)
SD
A
SCK
EEPON
WP
D3.3V
4
SEN
STBY
STDIO
SCK
7
4
BALANCE TRANSFER
HFM
ON
VHALF(1.65V)
NARF
TSTSG
VHALF(1.65V)
TRCRS
TE
TRDRV
ARF
JLINE
FBAL
TMBAL
FE
OFTR
RFENV
AS
BDO
VREF2
FODRV
SPDRV
FG
CLK
OUT
NRESET
A0-A17
D0-D7
XWR
XINT0
CPU
IREQ
XCS
XRD
XINT1
XW
AIT
ODC
MON(TZC
,OFTR,DRDT)
18
8
3
4
16.897849MHz
RESET
DATA BUS
ADDRESS BUS
MONITOR
D3.3V
D5V A3.3V
1.8V
D3.3V
16.897849MHz
X1
NRST
D3.3V
ATAPI IF
5V
7V
DISC DET
A
B
C
D
4
SW
SW
ON/OFF
A5V
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5
X92-4400-0x/4730-0x
X92-4740-0x/4750-0x
DVD UNIT (X37-1020-00/01)
Ref. No.
Component Name
Application/Function/Operation/Condition
IC1
AN8703FH
RF signal processor
IC2
NJU7042
IOP detector OP amp
IC4
MN103S26E
ATAPI interface, Servo/Spindle/Seek control, DVD ROM/CD ROM digital signal processor, 2M DRAM
IC5
S-80829CLBB
System reset IC
IC6
LA6505
Motor & pickup actuator driver
IC7
DF2328VTE254Q8
System microprocessor
IC8
S-80815CLBB
Voltage detector
IC9
UPC2918T
1.8V AVR
IC10
NJM2880U33
3.3V AVR
IC11
S-24C04BMFN
Backup memory (EPROM)
IC12
HD74LV2G66A
Servo filter on/off control
Q1
2SB0970
Laser diode power supply for CD (APC)
Q3
2SJ0536
Laser diode power supply for DVD (APC)
Q4
UN5114
DVD laser high frequency superposition circuit on-switch
Q5
UN5214
Q6
2SD1819A
5V AVR
Q9
UN5114
Loading motor control ( base L= ON )
Q10
UN5214
Loading motor control ( base H= ON )
Q13
UN5114
EEPROM power control (base L = ON )
Q15
UN5114
FG signal inverter transistor
COMPONENTS DESCRIPTION
System microprocessor : DF2328VTE254Q8 (DVD unit IC7)
Pin No.
Pin Name
I/O
Purpose / Description / Processing / Operation
1
Vcc
-
Power supply input terminal
2~5
A0~A3
O
Address bus
6
Vss
-
GND
7~14
A4~A11
O
Address bus
15
Vss
-
GND
16~21
A12~A17
O
Address bus
22
M2
I
SODC monitor input terminal 2
23
(NC)
-
NC
24
Vss
-
GND
25
SW_AD
I
SW_A+D detect input terminal
26
SW_B
I
SW_B detect input terminal
27
SW_C
I
SW_C detect input terminal
28
M3
I
SODC monitor input terminal 3
29
(NC)
-
NC
30
NINT0
I
SODC interrupt signal 0 input terminal
31
NINT2
I
SODC interrupt signal 2 input terminal
32
NINT1
I
SODC interrupt signal 1 input terminal
MICROCOMPUTER'S TERMINAL DESCRIPTION

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