Kenwood X92-4400 Service Manual
DVD MECHANISM ASSY
X92-4400-0x/4730-0x
X92-4740-0x/4750-0x
© 2003-6 PRINTED IN JAPAN
SERVICE MANUAL
DESCRIPTION MECHANISM
X92-4400-00 (DVS-3000) :
X92-4400-01 (DVS-3001) :
X92-4730-00 (DVS-3010) :
X92-4730-01 (DVS-3011) :
CONSTRUCTION OF MAJOR PARTS
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)
B53-0052-00 (N) 3365
FRONT CHASSIS ASSY
DISC GUIDE ASSY
OUTER CHASSIS ASSY
FLOATING SPRING x 4
CLAMP CHASSIS ASSY
DAMPER x 4
MAIN CHASSIS ASSY
ROLLER LEVER ASSY
DVD UNIT
X92-4400-0x/4730-0x
X92-4740-0x/4750-0x
DVD MECHANISM TABLE
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 ™ ™™™™™
CD ™ ™™™™™
DISC PROTECTION MECHANISM × ™ ××™™
EXPORT PACKING SPECIFICATION
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 ™ ™™™™™
CD × ЧЧЧЧЧ
DISC PROTECTION MECHANISM × ™ ××™™
EXPORT PACKING SPECIFICATION
DESTINATION B0 B1 B2 B3 B4 B5
×××™ × ™
×××™ × ™
USE GREASE 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
2
DVD MECHANISM ASS'Y
( X92-4400-0x : DVS-300x / X92-4740-0x : DVS-302x )
DISC
VM1
SPINDLE
MOTOR
HALL BIAS
U.V.W COIL
Q6
5V AVR.
VM3
LOADING
MOTOR
LOADING SW
UNIT
A
B
C
D
4PIN
HALL SENSOR
VPU1
OPTICAL LASER
A5V
PICKUP
LD(650nm,780nm)
PD VCC
VM2
2 PHASE
FEED
STEPPING MOTOR
MOTOR
CN3 :
11PIN 4PIN
IC6
8
3
PWM
SOFT-SW
7V
MOTOR &
ACTUATOR
DRIVER
PWMx2
LA6505
CN2 :
7V
BTLx2
FG
M
DRV1.65 A/D
THERMISTER
CN4 :
4PIN
DVD LD/CD LD
VC(2.2V)
MD(DVVD/CD)
I/V OUT(DVD/CD)
HFM VCC
FO+/-,TR+/-
CN1 :
30PIN
VHALF(1.65V)
SLED
IOP DET
VHALF(1.65V)
IC7
BLOCK DIAGRAM
DVD UNIT (X37-1020-00)
A5V
IC2
STBY
SEN
SW
A5V
STDIO
SCK
D3.3V
SW
S4 : DOWN SW
S5 : SLT
IOP
DET
to A/D
A3.3V
BALANCE TRANSFER
VHALF(1.65V)
ANALOG SW
HD74LV2G66A
16.897849MHz
RESET
ADDRESS BUS
DATA BUS
MONITOR
4
7
APC
Tr
D/A
MUTE
LO/EJECT
A/D
A/D
A/D
IC11
S-24C04BMFN
HFM ON
MICROPROCESSOR
DF2328VTE25Q5TH1
SDA
SCK
EEPON
WP
4
EEPROM
Q1,2,4,5
IC1
FRONT END
PROCESSOR
AN8703FH
(DVD ONLY)
D3.3V
4
2
A5V
D5V
A3.3V
D3.3V
1.8V
IC4
X1
16.897849MHz
ARF
NARF
FBAL
TMBAL
JLINE
TSTSG
FE
AS
RFENV
OFTR
BDO
VREF2
VHALF(1.65V)
TRCRS
TE
TRDRV
SPDRV
FODRV
FG
CLKOUT
NRESET
18 8 3 4
IC9
UPC2918T
IC8
VOLTAGE DET
X92-4400-0x/4730-0x
X92-4740-0x/4750-0x
D3.3V
IC5
RESET IC
S-80829CLBB
D5V A3.3V 1.8VD3.3V
OPTICAL DISC
CONTROLLER
MN103S26E
A0-A17
D0-D7
XWR
XCS
XRD
IC10
3.3V REG
NJM2880U33
1.8V REG
S-80815CLBB
XINT0
XINT1
CPU IREQ
XWAIT ODC
5V
ON/OFF
NRST
S/P DIF
AUDIO OUT
ATAPI IF
DISC DET
MON(TZC,OFTR,DRDT)
CN4 :
50PIN
5V
to
MAIN
UNIT
7V
3
X92-4400-0x/4730-0x
X92-4740-0x/4750-0x
DVD MECHANISM ASS'Y
( X92-4730-0x : DVS-301x / X92-4750-0x : DVS-303x )
VM1
SPINDLE
MOTOR
HALL BIAS
U.V.W COIL
HALL SENSOR
Q6
5V AVR.
VM3
LOADING
MOTOR
LOADING SW
UNIT
A
B
C
D
4PIN
DISC
VPU1
OPTICAL LASER
A5V
PICKUP
LD(650nm)
PD VCC
VM2
2 PHASE
FEED
STEPPING MOTOR
MOTOR
CN3 :
11PIN 4PIN
IC6
8
3
PWM
SOFT-SW
7V
MOTOR &
ACTUATOR
DRIVER
LA6505
PWMx2
CN2 :
7V
BTLx2
FG
M
DRV1.65 A/D
THERMISTER
CN4 :
4PIN
DVD LD/CD LD
VC(2.2V)
MD(DVVD/CD)
I/V OUT(DVD/CD)
HFM VCC
FO+/-,TR+/-
CN1 :
30PIN
VHALF(1.65V)
SLED
IOP DET
VHALF(1.65V)
BLOCK DIAGRAM
DVD UNIT (X37-1020-01)
A5V
IC2
STBY
SEN
SW
A5V
SCK
STDIO
D3.3V
SW
IOP
DET
to A/D
A3.3V
BALANCE TRANSFER
VHALF(1.65V)
ANALOG SW
HD74LV2G66A
16.897849MHz
RESET
ADDRESS BUS
DATA BUS
MONITOR
S4 : DOWN SW
S5 : SLT
4
7
IC7
D/A
MUTE
LO/EJECT
MICROPROCESSOR
A/D
DF2328VTE25Q5TH1
A/D
A/D
SDA
SCK
WP
4
IC11
EEPROM
S-24C04BMFN
Q2,4,5
APC
Tr
IC1
FRONT END
PROCESSOR
AN8703FH
HFM ON
(DVD ONLY)
EEPON
D3.3V
4
2
A5V
D5V
A3.3V
D3.3V
1.8V
IC4
X1
16.897849MHz
ARF
NARF
FBAL
TMBAL
JLINE
TSTSG
FE
AS
RFENV
OFTR
BDO
VREF2
VHALF(1.65V)
TRCRS
TE
TRDRV
SPDRV
FODRV
FG
CLKOUT
NRESET
18 8 3 4
IC9
UPC2918T
IC8
VOLTAGE DET
D5V A3.3V 1.8VD3.3V
OPTICAL DISC
CONTROLLER
MN103S26E
A0-A17
D0-D7
XWR
XCS
XRD
IC10
3.3V REG
NJM2880U33
1.8V REG
S-80815CLBB
IC5
RESET IC
S-80829CLBB
XINT0
CPU IREQ
XINT1
XWAIT ODC
5V
ON/OFF
D3.3V
NRST
ATAPI IF
DISC DET
MON(TZC,OFTR,DRDT)
CN4 :
50PIN
5V
to
MAIN
UNIT
7V
4
X92-4400-0x/4730-0x
X92-4740-0x/4750-0x
COMPONENTS DESCRIPTION
● 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
MICROCOMPUTER’S TERMINAL 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
5
X92-4400-0x/4730-0x
X92-4740-0x/4750-0x
MICROCOMPUTER’S TERMINAL DESCRIPTION
Pin No. Pin Name I/O Purpose / Description / Processing / Operation
33 Vcc - Power supply input terminal
34~37 (NC) - NC (PULL UP)
38 Vss - GND
39~42 (NC) - NC (PULL UP)
43~46 CPUDT0~3 I/O DATA bus
47 Vss - GND
48~51 CPUDT4~7 I/O DATA bus
52 Vcc - Power supply input terminal
53 (NC) - NC
54 (NC) I/O Flash memory data output terminal
55 (NC) - NC
56 (NC) I Flash memory data input terminal
57 _LOADP O Loading control terminal (* Please see for Table of Loading/Eject Logic )
58 (NC) - NC
59 Vss - GND
60 SEL0 I Destination select input terminal (* Please see for Table of Destination )
61 SEL1 I Destination select input terminal (* Please see for Table of Destination )
62 LOADM O Loading control terminal (* Please see for Table of Loading/Eject Logic )
63 LO_MUTE O Loading driver muting control terminal (* Please see for Table of Loading/Eject Logic )
64 SL_MUTE O Sled driver muting control terminal
65 DRV_MUTE O Driver muting control terminal
66 FG I FG signal input terminal
67 M0 I SODC monitor input terminal 0
68~70 (NC) - NC
71 FWC I/O Flash memory data writhing control terminal
72 FWE I Flash memory data writhing control terminal
73 _RES I Reset signal input terminal
74 (NC) - NC
75 _STBY I Standby signal input terminal
76 Vcc - Power supply input terminal
77 XTAL I System clock input terminal (16.897849MHz)
78 EXTAL I System clock input terminal (16.897849MHz)
79 Vss - GND
80 (NC) - NC
81 Vcc - Power supply input terminal
82 (NC) - NC
83 _RD O Read signal output terminal
84 _HWR O Write signal output terminal
85 (NC) - NC
86 _WAIT I Request for wait statement input terminal
87 EEPON O EEPROM power supply control terminal
88 WP O EEPROM WP control terminal
89 SCL O EEPROM clock output terminal
90 SDA I/O EEPROM data input/output terminal
91 HFM O DVD laser high frequency superposition circuit control terminal
92 (NC) - NC
6
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