Kenwood DDX512 User manual

This product uses Lead Free solder.
This product complies with the RoHS directive for the European market.
© 2008-2 PRINTED IN JAPAN
B53-0620-10 (N)519
MONITOR WITH DVD RECEIVER
DDX5022/5022Y/5032
/5032M/512/52RY
DNX5120/512EX/5220/5220BT
SERVICE MANUAL
*Depends on the models. Refer to the parts list.
Remote controller *
(A70-2083-15)
Size AAA battery
Not supplied
RC-DV340
Escutcheon
(B07-3165-02)
Mounting hardware assy
(J22-0657-03)
Lever
(D10-4589-04) x2
Escutcheon *
(B07-3172-12)
DC cord *
(E30-6796-05)
DC cord *
(E30-6795-05)
Cord with plug *
(E30-6785-05) Screw set *
(N99-1779-15)
Adhesive double-
coated tape *
(H30-0595-04)
Antenna module(GPS-ANT)
(W02-5305-05) Mounting hardware *
(J21-9867-04)
Panel assy
(A64-4530-11): DDX512
(A64-4532-11): DDX5022/5022Y
(A64-4535-11): DNX5120
(A64-4536-11): DNX5220BT
(A64-4537-11): DNX5220
(A64-4539-01): DDX5032/5032M
(A64-4540-01): DDX52RY
(A64-4551-01): DNX512EX
Illustrations is DNX5220BT
Except K,R type Only DNX Only DNX5220BT
The IC3, and IC11 in the DVD unit (X37-1100-03) are not replaceable components.
When these ICs are defective, replace the whole DVD mechanism assembly (X92-6160-00).
You cannot replace only the board.
Microphone *
(W01-1718-05)

2
DDX5022/5022Y/5032/5032M/512/52RY
DNX5120/512EX/5220/5220BT
In assembling the Traverse UD arm, Drive cam assembly,
Drive gear 5 and Drive gear 4C, align register marks on
these components.
GEAR POSITION IN A DVD MECHANISM
BLOCK DIAGRAM
Drive gear 5
Drive cam assembly
Do not forcibly press gears to engage their teeth
but freely let the gears fall under their own weight
and engage their teeth.
Traverse UD arm
Drive gear 4C
Inscriptions
(register marks)
on gears
Align 6 marks
as shown in the
figure
DVS-8000V BLOCK DIAGRAM (X37-1100)
SPINDLE
MOTOR
DISC
OPTICAL PICKUP
STEPPING
2 PHASE
CN1
30PIN
28PIN
CN3
MOTOR &
DRIVER
ACTUATOR
M
DC MOTOR
LO/EJ
PROCESSOR
FRONT-END
IC1
IC12
IOP
DET
Q7,8
OPTICAL DISC
CONTROLLER
RESET IC CN2
50PIN
3.3V REG
IC7
D3.3V
A3.3V
A5V
D5V
1.5V REG
IC9
1.5V VOLTAGE DET
IC8
to
MAIN
Tr
APC
IC10
Q1,2
IC4
IC3
FLASH ROMEEPROM
IC11
HALL
IC
HFM3.3V
D7
SW LOEND
SW LOST
UNIT
U,V,W COIL
HALL BIAS
HALL SENSOR
DVD LD/CD LD
VREFH
IMON/VR DVD/VR CD
PDIC I/V OUT
FO+/-,TR+/-
THERMISTER
FO5,RO5
P5V
FO2,RO2
3
3
H1H,H1L,HB
A1,A2,A3
P5V
VHALF
FG
A5V
D5V
A3.3V
7
3
VHALF
IOP(AD)
VHALF(1.65V)
TRCRS
TE
SEN,SCK,STDI
FBAL,JLINE,
ARF,NARF
TSTSG
FG,EXCNT1 SDA,SCL DRV.MUTE,LO.MTE, FADR0-17, TRDRV,PWM8, BMS,STEP A,STEP B NCE,NWE,NOE FTD0-7
28
D5V A3.3V 1.5VD3.3V
16.897849MHz
NRST
D3.3V
ATAPI IF
D5V
P5V
DISC DET
ON/OFF
A5V
LIM-SW
4
SEN,SCK,STDI
VREF,EC
RF,FE1,FE2
A,B,C,D,E,F,
9
3
FE,AS,RFENV,RFDIFO
OFTR,BDO,VREF2
21
D3.3VD3.3V
9
DVDON/
CDON
TEMP
DET(AD)
2
D3.3V
HFM
A3.3V
2
VR
SPDRV,FODRV,
LPC1,2
VREFH
4
FO3,RO3
FO4,RO4
FO6,RO6
BMS,MUTE
HFM3.3V
PDIC VCC
HFM
SW EJEND
STBY,SPIN,IN2-6
A5V
SW
4

3
DDX5022/5022Y/5032/5032M/512/52RY DNX5120/512EX/5220/5220BT
BLOCK DIAGRAM
BU DET ACC DET PARKING REVERSE ILLUMI LINE MUTE ANT CON P CON
PWIC STBY
PWIC MUTE
BEEP
W REMO
WRT E2P
E2P SDA
ROM E2P SDA
E2P SCL
TYPE1
TYPE2
TYPE0
ROM E2P SCL
NAVI RX
NAVI TX
PON
PGOOD
P PWM
P START
BE SDATA
BE SREQ
BE STBY
DISCDET
BE CLK
BE MDATA
DISCDET
BE RESERVE1
BE RESERVE2
BE RESERVE3
BE MREQ
BE CON
BE BUDET
BE INI
ASEL1 2
ASEL2 1
ASEL2 2
R QUAL
R DATA
ASEL1 1
R CLK
TV COMP
TV MC DATA
TV BP CLK
TV JUDGE
TV SC DATA
TV SC REQ
TV SC CON
TV MC REQ
R NOISE
R AFS H
TUN SDA
TUN SCL
TUN SMET
TUN IFC
AM+B
PON
PARKUNG ACC RST
SW5V
(COMMON
TUN8V
A8V BU5V
MIX REMO
SW5V
BE RST
TV RST
i-POD L/R
VSYNC DET
i-POD L/R
TV L/R
SIR RST
SAT TX
SAT CON
SAT RX
SIR PON
A-IN L/R
TUN L/R
SAT L/R
A8V
BT L/R NAVI L/R
ISO SP
SIR PON
VMUTE VOL+ SRC KEY4 BL ENA INV PWM INV SW VD PWM HSY VOL- KEY ILL EJECT SI KEY ILLG1 KEY ILLR1 KEY ILLB1 Y0 X0 X1 NT PAL YD ATA VCOM XD ATA
SP-OUT R SP-OUT F
EVOL MUTE0
EVOL MUTE1
EVOL MUTE2
EVOL SCL
EVOL SDA
PWIC DCDET
PRE MUTESW
EVOL MUTEB
EVOL MUTEC
PRE MUTEF
BE/USB L/R
BE/USB L/R
EVOL MUTEB
PRE
MUTEF
MUTESW
PRE
PRE
FR
A-OUT
A-OUT L/R
PRE
R/SW
A-IN L/R
REMO
KEY RESET
F VIN
TP5V
ILL+B
SP-OUT F SP-OUT R
TV RST
SP-OUT F SP-OUT R
TV SERIAL)
FLASH MDATA
FLASH CLK
FLASH SDATA
A8V
A8V
SAT CON
SAT TX
SAT RX
SIR RST
(COMMON
EVOL)
A8V
DC CN
J1
BU5V
Q5
SW5V
Q12
SW3.3V
BU3.3V
Q22
IC2
ILL+B
Q802
TUN8V
A8V
Q502
Q1
POWER
IC600
IC
RE-WRITE CN TV I/F JACK
J400
SYSTEM
IC104
AMP
ISO
IC400
F/E
A500 SIRIUS/XM KAB IF JACK
J401
ANT
MAIN
AUDIO
SEL1
IC303
IC304
SEL2
SUB
AUDIO
VSYNC-
DET
IC401
INPUT
SEL SEL
OUT
E-VOL
IC302
J700
JACK
MUTE
MUTE
MUTE
u-COM
CN801
CN800
JACK
RST
IC
RDS
to (X15- ) CN301
to (X35- ) CN3
(X34-575)

4
DDX5022/5022Y/5032/5032M/512/52RY DNX5120/512EX/5220/5220BT
BLOCK DIAGRAM
(X15-108)
COMP
VIDEO SW
IC205
IC206
J203
J401
to GARMIN NAVI
IC207
RGB SW MUTE
IC804
USB H/C
IC801
USB IF CABLE
W801
CN701
VIDEO DRV
IC602
VIDEO DRV
IC601
IC701
B/E
X801 IC853
DVS8020V
FAN CN
CN2
X701
FLASH 64Mb
IC702 IC704
IC703, AUTHENTI-
i-Pod
CATION
IC851
X851
OVER CURRENT
PROTECTION
24MHz
X'TAL
27MHz
X'TAL
32.468kHz
X'TAL
J681
SPD JACK MODULE
to BT
ONLY
MUTE/LPF
IC654
IC652,
2ch DAC
IC651
3.3V
IC301
IC501 MIX
5V
A501
MIC JACK
J501
A5V
IC101
DC/DC
A8V
V6V
V5V
D5V
D1.8V
D3.3V USB5V/P5V
DC/DC
IC102
USB1.8V USB3.3V
to (X35- ) J1
J301
J201
IC201
IC202 J202
DNX
ONLY
DDX
ONLY
DC CN
CN1 CN301
to (X34- ) CN801
JACK
SDRAM
128Mb*2
DNX
CN401
to NAVI JACK
to DVD MECHA
i-POD A-JACKV-JACK
i-POD
BACK
VOUT
BC COMP
VOUT COMP
V5V
NAVI L/R
NAVI SYNC
NAVI R/G/B
MAPUP DET
MIX REMO
NAVI RX
NAVI TX
BU5V
D5V
PARKING
ACC RST
RGB MUTE
DM
DP
DM
DP
USB5V
USB5V
P5V
D5V
V5V
BE R/G/B BE COMP
V5V
MAPUP DET
MIX REMO
ATAPI(DATA)
USB RST
ATAPI
RESET
USB5V
DATA ADDRESS
D3.3V
D3.3V
SPI RDY
CP RDY
CP RST
SPI CLK
SPI DI
SPI DO
D3.3V
SPDIF O
BT TX
BT RX
BT RST
V5V
DISC DET TV COMP
BE RST
BE RESERVE3
BE RESERVE2
BE RESERVE1
BE BUDET
BE INI
BE CON
BE MREQ
BE SREQ
DISKDET
BE STBY
BE CLK
BE SDATA
BE MDATA
BE AMUTE A8V
MCLK
SDO0
SCLK
LRCLK A5V
BE/USB L/R
RGB SEL1
D5V
SIR RST
SAT TX
A8V
BT MIC IN
SAT TX
SIR RST
VMUTE
MST WAIT
MST WP
MST RST
MST SCL
MST SDA
MONI R/G/B
FRONT AUX COMP
MONI COMP
A8V
i-POD L/R
i-POD L/R
i-POD COMP
V5V
i-POD COMP
D3.3V
D5V
BL14V
V6V
V5V
AOUT SEL
P START
P PWM
PGOOD
PON
BU
BT L/R
BE COMP
VSEL SDA
VSEL SCL
AOUT SEL
D3.3V
D1.8V
BE R/G/BADDRESS
D3.3V
USB3.3V USB1.8V
D3.3V
D3.3V
BT L/R
CAM IN
SIR PON
SIR RST
SAT RX
SAT TX
SAT CON

5
DDX5022/5022Y/5032/5032M/512/52RY
DNX5120/512EX/5220/5220BT
(X35-489)
BACK LIGHT TOUCH PANEL LCD PANEL
D5V
DCDC
12.5V-12V 15V
-10V
SW2.5V
D3.3V
V5V
SW5.3V
V6V
CIRCUIT
INVERTER
IC1
CN5CN1
CONTROLLER
TIMING
IC203
J2
MINI
F AUX
JACK
CN4
AMP
VCOM
IC201
CN3
J1
CN7/CN6 FFC 20PIN
VOL
to (X15- ) J301
to (X34- ) CN800
MONI R/G/B
MONI COMP
PWM
INV SW
ENABLE
INV PWM
X1
XD ATA
Y0
X0
YD ATA
TP5V
BL 14V
MST SDA
MST SCL
MST WP
MST RST
VMUTE
MST WAIT
HSY
VD
NT PAL
VCOM
A-IN
V-IN
A-IN L/R
F VIN
VOL+
VOL-
REMO
SW
SILED
EJECT
VOL-
SI
KEY ILLG1
KEY ILLB1
KEY ILLR1
KEY ILL
REMO D5V
ILL+B
SW5.3V 15V V5V -10V
12.5V
-12V
KEY4
VOL+
SRC
SW2.5V
V5V
VCOM
BLOCK DIAGRAM

6
DDX5022/5022Y/5032/5032M/512/52RY
DNX5120/512EX/5220/5220BT
● VIDEO CONTROL UNIT (X15-108x-xx)
Ref. No. Application / Function Operation / Condition / Compatibility
IC100 DC/DC converter IC DC/DC control for USB5V/D5V
IC101 DC/DC converter IC DC/DC control for SW3.3V/V6V
IC201 AUDIO ISO AMP iPod audio signal
IC202 VIDEO ISO AMP iPod video signal
IC203 Regulator V6V→V5V regulator
IC205 Video selector 5IN 2OUT DVD-BE/NAVI/TV/Ipod/BackCamera COMPOSITE signal Select
IC206 Video selector Selector for selecting FRONT AUX output or IC205 output for external video output
IC207 Video selector DVD-BE and NAVI RGB selector
IC301 AND x 4 KAB IF 3.3V→5V LEVEL SHIFT
IC501 OP-AMP X 2 LPF for BT-AUDIO
IC502 BUS BUFFER X 2 BUFFER for BT control signal wave shaping
IC601 Video amplifier DVD-BE COMPOSITE SIGNAL LPF/BUFFER
IC602 Video amplifier DVD-BE RGB SIGNAL LPF/BUFFER
IC651 AUDIO DAC DVD-BE AUDIO D/A CONVERTER
IC652 OP-AMP X 2 DVD-BE AUDIO LPF
IC653 Regulator Regulator for 8.4V→A5V AUDIO DAC
IC654 OP-AMP X 2 For AUDIO REFERENCE4V
IC691 INVERTER SPDIF OUT BUFFER
IC692 AND For DVD-BE IC RESET signal
IC701 MPEG DECODER DVD/USB MPEG DECODER
IC702 64M FLASH FLASH MEMORY(PMP 4Z3 / MP 4Z4) for MPEG DECODER
IC703,704 128M SDRAM SDRAM for MPEG DECODER
IC705 Regulator 3.3V→1.8V regulator for MPEG DECODER
IC801 USB HOST CONTROLLER 2 ports (For external and GARMIN NAVI) USB HOST CONTORLLER
IC804 Fixed Current Limit
Power Distribution Switch Large current distribution switch for USB
IC805 Regulator 5V→3.3V regulator for USB
IC806 Regulator SW3.3V→1.8V regulator for USB
IC851 iPod Authentication
Coprocessor iPod Authentication
IC853 D-TYPE LATCH X 8 Address latch for USB H/C
Q1~3 SW P-ON 14V control
Q4 SW FET P-ON 14V ON/OFF
Q100~103 SW DC/DC protection control
Q104 SW DC/DC SW FET (USB5V)
Q105 SW DC/DC SW FET (D5V)
Q106 SW DC/DC SW FET (SW3.3V)
COMPONENTS DESCRIPTION

7
DDX5022/5022Y/5032/5032M/512/52RY
DNX5120/512EX/5220/5220BT
Ref. No. Application / Function Operation / Condition / Compatibility
Q107 SW DC/DC SW FET (V6V)
Q202 BUFFER RGB signal R
Q203 BUFFER RGB signal G
Q204 BUFFER RGB signal B
Q205 SW RGB signal MUTE R
Q206 SW RGB signal MUTE G
Q207 SW RGB signal MUTE B
Q301,302 SW KAB_RX error connection protection
Q303 SW For KAB_TX control
Q651 SW DVD AUDIO MUTE L-CH
Q652 SW DVD AUDIO MUTE R-CH
Q653,654 SW DVD AUDIO MUTE control
Q681 BUFFER SPDIF OUTPUT BUFFER
● ELECTRIC UNIT (X34-575x-xx)
Ref. No. Application / Function Operation / Condition / Compatibility
IC1 3-terminal regulator For Audio8V
IC2 3.3V regulator BU_3.3V
IC100 Buffer for remote controller Remote controller signal waveform shaping
IC101 Voltage detector μ-com reset voltage (3.5V) monitoring
IC103 E2PROM For saving the settings
IC104 System μ-com IC System control
IC105 NAVI interface waveform conversion (3.3 → 5V)
IC302 Electronic volume IC Audio volume control and audio signal selection
IC303 Logic IC (multiplexer) Audio signal selection (Main)
IC304 Logic IC (multiplexer) Audio signal selection (Sub)
IC400 AUDIO ISO AMP For TVBOX audio signal
IC401 AUDIO ISO AMP For KAB audio signal
IC402 Logic IC (inverter) TVBOX data signal waveform shaping
IC500 RDS decoder IC For RDS signal processing and demodulation
IC600 Power IC Power amplifier for speaker output
Q1,2 Transistor Audio8V
Q3,4 Transistor P_CON output circuit
Q5 Transistor BU5V
Q6 Transistor Reverse detection circuit
Q7 Transistor Audio8V
Q8 Transistor BU5V
COMPONENTS DESCRIPTION

8
DDX5022/5022Y/5032/5032M/512/52RY
DNX5120/512EX/5220/5220BT
Ref. No. Application / Function Operation / Condition / Compatibility
Q9 Transistor P_CON output circuit
Q10 Transistor Parking detection circuit
Q11 Transistor P_CON output circuit
Q12 Transistor SW5V circuit
Q13 Transistor ILLUMI detection circuit
Q14 Transistor ANT_CON output circuit
Q15 Transistor SW5V circuit
Q16 Transistor ANT_CON output circuit
Q17 Transistor BU detection circuit
Q20 Transistor Surge detection circuit
Q21,22 Transistor SW3.3V circuit
Q23 Transistor ACC detection circuit
Q24,25 Transistor SW14V circuit
Q100~102 Transistor ACC detection/KEY RESET
Q103,104 Transistor DET MUTE circuit (Trigger Bu-DET)
Q105 Transistor DET MUTE circuit (Trigger Reset)
Q107 Transistor TVBOX RESET
Q108 Transistor DET MUTE circuit (Trigger Bu-DET)
Q110 Transistor SI
Q111 Transistor Synchronizing separator circuit of FRONT VIDEO input
Q112 Transistor SI
Q113~118 Transistor Synchronizing separator circuit of FRONT VIDEO input
Q300 Transistor Electronic volume IC MUTE
Q301 Transistor For AUDIO selector
Q303~305 Transistor For AUDIO selector
Q403 Transistor KAB power supply
Q406 FET KAB power supply
Q407 Transistor KAB detection
Q500~503 Transistor TUNER8V circuit
Q504,505 Transistor On when AM (Tuner 8V)
Q700 Transistor Pre-OutMute circuit (AV-OUT)
Q701 Transistor Pre-OutMute circuit (REAR, SUB)
Q702~705 Transistor Pre-OutMute circuit (FRONT)
Q706~708 Transistor Pre-OutMute circuit (REAR, SUB)
Q709~711 Transistor Pre-OutMute circuit (AV-OUT)
Q800,801 Transistor LED9V SW
Q802,803 Transistor LED9V
COMPONENTS DESCRIPTION

9
DDX5022/5022Y/5032/5032M/512/52RY
DNX5120/512EX/5220/5220BT
Ref. No. Application / Function Operation / Condition / Compatibility
Q804 Transistor X15 SW-REG PSTART
● VIDEO UNIT (X35-4890-10)
Ref. No. Application / Function Operation / Condition / Compatibility
IC1 Inverter control IC Control and drive of the inverter circuit for the back light
IC101 NOT Reverse
IC102 DC/DC converter IC +12.5V/-12.0V power supply for VCOM amplifier and +15.0V power supply for LCD
IC200 Regulator 2.5V regulator
IC201 Op-amp For VCOM amplifier
IC202 D flip flop LCD dot clock timing
IC203 γT/C Control of LCD module
IC204 OR For V_MUTE
IC205 Regulator 5.3V regulator
IC206 Buffer 5V→3.3V level conversion
IC207 FROM For Mstar FW
IC208 Regulator 5.3V regulator
IC501 AND 3.3V→5V level conversion
IC700 Remote controller photoreceptor Detection for remote controller
Q1 5V constant voltage 5V power supply for inverter control IC
Q2 Dimmer SW Turn on or off in response to the PWM control signal to dimmer the back light
Q3 SW SW to change the free run frequency for inverter control IC
Q4,5 Inverter Driver Drive of the inverter circuit
Q100 -10V regulator LCD-10V regulator
Q101 -10V regulator control LCD-10V regulator
Q201,202 Buffer For VCOM current amplification
Q400 Buffer CVBS2
Q401 Buffer CVBS1
Q450 SW SW to be turned on or off by NTSC/PAL signal and to change the filter constants
Q451 Buffer For VCOM automatic adjustment
Q500 Touch panel X0 SW X0 SW: Turn on in response to X axis input and apply voltage
Q501 Touch panel Y0 SW Y0 SW: Turn on in response to Y axis input and apply voltage
Q502 Touch panel X1 SW X1 SW: Turn on in response to detection of the panel touch or X axis input and apply voltage
Q503 Touch panel Y0/Y1 SW Y0/Y1 SW: Turn on in response to Y axis input and turn off in response to X axis input
Q504 Touch panel Y0 SW Y0 SW: Turn on in response to Y axis input and apply voltage
Q600 SW RGB_LED SW (green)
Q601 SW RGB_LED SW (red)
Q602 Buffer AUX
COMPONENTS DESCRIPTION

10
DDX5022/5022Y/5032/5032M/512/52RY
DNX5120/512EX/5220/5220BT
Ref. No. Application / Function Operation / Condition / Compatibility
Q603 SW RGB_LED SW (blue)
Q604 SW LED SW (EJECT,DISC)
Q606 SW 5V→3.3V level conversion
●DVD UNIT (X37-1100-03)
Ref. No. Application / Function Operation / Condition / Compatibility
IC1 RF signal processing IC RF signal processing
IC3 FLASH ROM Maintain F/W for optical DISC control IC
IC4 Optical disc control IC in μ-com Optical DISC general control / ATAPI interface
IC5 Voltage detection IC For system resetting of optical DISC control IC
IC7 3.3V power supply 5V→3.3V
IC8 Voltage detection IC For 1.5V power supply IC voltage monitor
IC9 1.5V power supply 5V→1.5V
IC10 Driver IC Focus coil, Tracking coil, Spindle motor, Sled motor and Lo/Ej motor drive
IC11 EEPROM Maintain data for optical DISC control IC
IC12 OP-AMP for Iop measurement For IOP measurement
Q1 Register integrated transistor SL. MUTE control
Q2 Register integrated transistor For FG signal
Q3 Register integrated transistor LO.MUTE control
Q4 Register integrated transistor DRMU control
Q5 MOS-FET Laser diode ON/OFF control for DVD
Q6 MOS-FET Laser diode ON/OFF control for CD
Q12 Transistor for APC Laser diode brightness control for CD
Q13 Transistor for APC Laser diode brightness control for DVD
Q14 MOS-FET For IOP measurement
Q15 Register integrated transistor HFM ON/OFF control
Q18,19 Register integrated transistor 3.3V power supply IC ON timing control
COMPONENTS DESCRIPTION