JVC KDDV-6404-UI, KDDV-6405-A, KDDV-6405-UN, KDDV-6405-U, KDDV-6405-UT Service manual

...
SCHEMATIC DIAGRAMS
KD-DV6404UI,KD-DV6405U,KD-DV6405UN
KD-DV6405UT,KD-DV6405A,KD-DV6406U
KD-DV6406UN,KD-DV6406UT,KD-DV6406A
CD-ROM No.SML200802
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)
Contents
Block diagram Standard schematic diagrams Printed circuit boards
COPYRIGHT 2008 Victor Company of Japan, Limited.
2-1 2-2 2-6 to 7
No.MA391SCH
2008/2

Safety precaution

!
!
Burrs formed during molding may be left over on some parts of the chassis. Therefore, pay attention to such burrs in the case of preforming repair of this system.
Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check.

Block diagram

A
Main amplifier & System control section
IC110
VIDEO AMP
VIN
CN962
FL-CH FR-CH
UCS SCS SCLK U2SDT S2UDT LRMUTE CPURST MSW1 MSW4
AUXIN-L AUXIN-R/V AUXIN-V/R
S701
DETACH SW
S731
RESET SW
EJECT, LCDDA, LCDCL, LCDCE
CN701
KEY0, KEY1, KEY2, ENC1, ENC2 REMOCON, DIM
SW3.3V
IC952
3.3V REG.
D2V
IC921
3.3V REG.
D4V,M5V,S5V
IC941,Q941
5V REG.
A5V,A9V
Q971,Q972
DVD SW
IC103
HORIZONTAL
/VERTICAL
SEPARATION
DETACH
RESET
SW5V
DC_STATE
MEMORY
SWREG
9V
DVDSW
H-SYN V-SY N
IC721
CPU
MODEA MODEB
BUSSI BUSSO BUSIO BUSINT BUSSCK
VMUTE
VOLDA VOLCLK
MUTING
PS2
CD/DVDON
ANTCONT POWERON
FSU, SSTOP TUSDA, TUSCL QUALITY, AFS
AUXIN-V/R
AUXIN-R/V
EV-SW
AUXIN-L
IC501
CD L.P.F.
DVD.L/R
Q861,Q862
MUTE
Q976,Q977
PS2
Q913,Q914
DVD ON
X721
32.768kHz
X722
20MHz
IC109
Q1102 to Q1108
AUDIO/VIDEO
SELECTION
AUX-R
IC108
NOISE
CANCELLATION
AUX.L/R
IC153
Q152,Q154
AUX/LINEIN
SWITCH
IN3L/R
IC161
E.VOLUME
FM/AM TUNER
TX
DOUTMUTE
AUX-AV AUX-AV
IC105
VIDEO AMP
LINEL/R
IC101
LINEIN AMP.
CH.L/R
IC801,IC802
JVC BUS
RL RR
FL FR
TU.L/R
3.3V, VDD, SW5V, ACC5V, 9V, CD8V, ILMI.10V
EACH BLOCK
IC911
REGULATOR
TU1,Q1
IC401
DIGITAL OUT MUTE
VIDSW
DVD/AUX
SELECTION
VIDEO AMP
Q354
LINE OUT MUTE
POWER
Q301 to Q303
MEMORY
ANT
PBRK
FAN
IC104
COMPOSITE
IC411
IC301
AMP.
MUTE
D851
AUTO ANT
Q885
PARKING
Q821 to Q823
FAN CONTROL
VIDEO-OUT
REAR L/R
FRONT L+/­FRONT R+/­REAR L+/­REAR R+/-
ACC REMOTE
AUTO ANT
PAR K
FOCUS
&
TRACKING
COIL
PICK UP
LOAD MOTOR
SPINDLE MOTOR
REST SW
D9,D11
PHOTO
SENSOR
UX
M
M
AUX.L (AUXIN-L) AUX.R (AUXIN-R/V)
J601
AUX.V (AUXIN-V/R)
DVD section
A, B, C, D, E, F, RF+/-, LPC
CD VR DVD VR
HFM VCC
DVD LD
CN101
CD LD
F+/­T+/-
LDO+/-
H1+/­H2+/­H3+/­SLED1+/-
CN1
SLED2+/­SM1 to SM3
REST
M5V ACC5V
D6,D7
IR LED
CN2
Q4,Q7
PHOTO SW
S1
DETECT SW
Q105 to Q107
Q8,Q9
Q101,Q102
Q103,Q104
IC1
Q2
DRIVER
27MHz
EPROM
SW3
SW1
SW4
CD/DVD
HFVC
LPCO1 DVDLDCUR
LPCO2 CDLDCUR
LM FG /DRVMUTE TRDRV FODRV TRSDRV SPDRV PRTOUT DRVCNT SL1IN SL2IN
TRVSW
X351
IC481
EPWP I2CSCL I2CSDT
Q301
Q302
IC301
DV5
TX
D3.3V P3.3V S3.3V
IC3
D4V
3.3V REG.
DAC4 (DVD-COMP) DVD-COMP
D1.2V D2V
BA0 BA1 DQM0 DQM1 MCK NWE NCSM NCAS NRAS MA0 to 11 MDQ0 to 15
PCMCLK BCK AOUT3 LRCLK DACPDN DAC0CS DCLK DDATA
UCS SCS SCLK U2SDT S2UDT LRMUTE
EXADT0 to 15 EXADR16 to 20 NEXOE NEXCE NEXWE
IC302
1.2V REG.
IC399
SDRAM
IC400
DAC
IC398
IC501,IC502
FL-CH FR-CH
CN403
FLASH ROM
CPURST
/FL_RST
SW1 (MSW1) SW4 (MSW4)
INPUT
LCDDA
S1 to 50
LCD DISPLAY
S601 to S617 KEY MATRIX
EN601
ENCODER
/POWER SW
IC602
LCD1
COM1 to 4
KEY0 KEY2
KEY1
ENC1 ENC2
REMOCON
IC601
LCD DRIVER
REMOCON
D601,D602,D604 to D621
D645,D646
DIM
Q640,Q641
LIGHTING DISPLAY
D603
ACC5V
POWER LED
LCDCL LCDCE
CN601
CN742
S2441
EJECT
SW
LCDDA LCDCL LCDCE KEY0 KEY1 KEY2 ENC1 ENC2 REMOCON DIM
D2441
to
D2443
LED
EJECT
CN741
ILM.10V
Connection
AUX Jack , LCD & Key switch section
section
L/R
SCK SI/SO
IC402
DIGITAL OUT
CN141 CN821
LINE IN
J801
JVC BUS
VIDEO OUT
J331
LINE OUT
CN901
SPK BATTERY
J1 ANT
M
FAN MOTOR
2-1
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