JVC KD-AVX1 service manual Block diagram

Page 65

IC398

FLASH ROM

Block diagram

FOCUS

&

TRACKING

COIL

PICK UP

LOAD&FEED M MOTOR

SPINDLE

DVD servo control section

A,B,C,D,E,F,F1CD,F2CD

CN101

F1DVD,F2DVD,VREFH

LPC1,LPC2

LPCO1

LD+

Q101

DVDLDCUR

Q102

LPCO2

LD+

Q103

CDLDCUR

Q104

/DRVMUTE

TRDRV

FODRV

F+,F-

VHALF

TRSDRV

T+,T-

DRVCONT

IC201

LM

FLM+

DRIVER

FLM-

H1+,H1-

H2+,H2-

SPDRV

H3+,H3-

IC251

/SPMUTE

SM1 to SM3

FG

IC301

DV2.1

EPDI

EPDO

EPSK

EPCS IC481

EPROM

MA0 to MA11,MDQ0 to MDQ15 DQM0,DQM1,BA0,BA1,MCK

NWE,NCSM,NCAS,NRAS IC399

SDRAM

AOUT3,BCK

LRCK,PCMCLK

DACPDN

DACOCS

DCLK,DDATA IC401

D/A

AOUTL+

AOUTL-

AOUTR+

AOUTR-

L-CH

IC411 R-CH

AMP

DAC4OUT(COMPOSITE),IECOUT(TX)


ANT	W1
ANT

	SUB.W.OUT							CN311
	LINE IN &



CN403		CN965			CN966			CN961
CN403		CN965			CN966			CN961

MOTOR

M

CN201		SP MOTOR

		DRIVER

LRMUTE,UCS,SCS,SCLK,U2SDT,S2UDT


		CN202		SW1 to SW3
SW1 to SW3		CN202		SW1 to SW3
SW1 to SW3						SW4,TRVSW



					SW4,SW5
					SW4,SW5						NRST
											NRST


								SW1,SW4

EXADT0 to EXADT15

EXADR16 to EXADR20

EXDAT0 to EXDAT15

NEXOE,NEXCE

NEXWE

/FL_RST

CPURST

IC304

RESET

CHANGER	CN860
CHANGER

Panel-A section

TFT_LED

S451 to S464

A1 to A21

KEY MATRIX

DIMMER

D0 to D15

RE,CS1

KEY0

D401 to D413

KEY1

RY/BY

LED

IC581

MEMRST

KEY2

ROM

SDA

IC521

SCL

S501

RESET

EEPROM

RESETSW

DRV_SEN

A0 to A20

IC511

DRV_DATA

DRV_SCK

D0 to D15

CPU

RST

IC501

DRVRESET

IC601

RESET

VSEL

GDC

GDC-R

DISPDATA,DISPCLK

DRV-R

GDC-G

DISPCE,KETDATA

DRV-G

IC645

GDC-B

RGB-R

RGBDATA,RGBCLK

DRV-B

RGB-G

SYNCSW,50/60

VIDEO

RGB-B

IC471

SW

GDC-HD

TFT

DRV-HD

GDC-VD

IC646

DRIVER

DRV-VD

RGB-HD

2CH

RGB-VD

MPX

RED,GREEN,BLUE,REF

VTS,VCK,EN,DWN,PCG

REMOCON

WIDE,HST,XSTBY,RGT

HCK1,HCK2,PSIG,COM

IC585

LCD1

REMOCON

LCD MODULE

CN411
		BACK
		LIGHT 1

				Panel-B section

						IC651
						Comp to RGB

					RGB-R
					RGB-G		VIDEO
					RGB-B
					RGB-HD
					RGB-VD
					RGBDATA
					RGBCLK
					SYNCSW
					50/60
						DISPDATA
						DISPCLK
						DISPCE
						KETDATA
						REMOCON
CN583		CN582				REMOCON
CN583		CN582				RESET
						RESET

CN581


CN964			CN963
CN964			CN963

CN962

2-1

Image 65

Contents KD-AVX1 For Northern America version SpecificationPAL For Europe versionAudio Amplifier Section For Asia & Australia versionSection Precautions Handling the traverse unit optical pickup Preventing static electricityGrounding to prevent damage by static electricity Important for laser products Reproduction and Position of LabelsSection Specific Service Instructions Side heat sink Main body section Removing the panel assembly SeeRemoving the side heat sink See Reference Remove the panel assembly and side heat sink Removing the top chassis assembly See Figs.3 toRemoving the DVD mechanism assembly See Figs.8 Removing the front chassis assembly SeeRemoving the front bracket assembly See Removing the loading unit assembly SeeCN962 Front bracket assembly Removing the main sub board SeeDetach lever Connector cover Removing the connector board See Figs.13 toRemoving the main board See Figs.16 Rear heat sink Rear bracket Removing the panel switch board SeeRemoving the rear bracket See CN582 Removing the switch board See Figs.20Removing the panel board See Figs.20 Short-circuit points Removing the mechanism section See to Removing the top cover SeeReattaching the clamper unit See to Removing the clamper unit See toClamper unit Clamper spring Notch 20 No.MA165 Removing the front unit See to Removing the loading arm assembly See Removing the rod LR/roller assembly See Removing the DVD pickup assembly See to Removing the spindle motor See Removing the feed motor assembly SeeConnection method Standard measuring conditions Test instruments required for adjustmentConnection procedure Adjustment procedure Adjustment method for jitterD8CA Jitter value conversion tableOperation procedures Service mode Standard input/output conditionsService mode setting procedure Service Mode Ntsc Running Mode Service MODE4 RDS S Mode Monitor S Mode DVD check modeError code tables Mechanism error codeWriting method for micon ROM correction Running modeUpdate method of firm ware Power on Insert the disc which a farm was written in atChroma Monitor adjustment16 PIN Cord Diagram for E version Section TroubleshootingNo.MA1651-39 16 PIN Cord Diagram for A, J, U, UN, UT versionVPT Parts List Exploded view of general assembly and parts list 133 131 132 General Assembly Panel Assy DVD mechanism assembly and parts list DVD mechanism Thrust Spring QYSPSFT2040ZA TAP Screw Electrical parts list QERF1HM-225Z Capacitor QERF1HM-104Z Capacitor Part Name Description Local R231 NRSA63J-104X NRSA63J-2R2X MG Resistor Panel board NDC31HJ-2R0X Capacitor 16W J R601 NRSA63J-121X Connector board NEAF0GM-227X Capacitor SW4 Packing materials and accessories parts list Packing and Accessories Schematic Diagrams Safety precaution M O Block diagram Version Main amplifier section Standard schematic diagramsSheet GDC-R Panel-A sectionS456 MA2SV03-X Panel-B sectionSheet Sheet Connecting sectionSheet Tubuyaki DVD servo control sectionTo CN965 Sheet Main board Printed circuit boardsReverse side Panel board CN521 R483 C475 R482 C474 R481 R480 C470 C485 L472 IC585 Connector board M O Front end board IC301 No.MA165SCH