JVC AV-14FMG3/-A, AV-14FMT3, AV-14FMG3B, AV-1435EE Replacement of IC301 if V/C Decoder, Procedures

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AV-14F3/AV-1435

AV-1435EE/AV-1435TEE

AV-14FMT3/AV-1438

AV-14FMG3/AV- 14FMG3B

REPLACEMENT OF IC301 (IF V/C DECODER)

"For the IC301(IF V/C DECODER) of this model, all data are written in the micro-computer. So, write the data in the micro- computer in accordance with the following procedures before starting adjustment.

PROCEDURES

(1)Turn the POWER OFF.

(2)Replace the IC301 with a new one.

(3)While pressing MENU button and VOL+ button ON the FRONT CABINET simultaneously, turn the POW ER ON. When the POWER is turned ON, the data is written in the micro-computer immediately.

LOCATIONS OF FRONT PANEL BUTTONS AND LAM PS

	1	MENU buttons

	2	CHANNEL －･ /＋/ buttons･ buttons
		(MENU －･ /＋/ buttons)･ buttons)

	3	VOLUME －/＋ buttons
	3	(MENU －/＋ buttons)
		(MENU －/＋ buttons)

	4	AI ECO sensor

	5	REMOTE CONTROL sensor

	6	ON TIMER lamp

	7	POWER lamp

	8	MAIN POW ER button

No. 52026

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Contents Contents AV-14F3 / AV-1435 AV-14FMT3 / AV-1438 SpecificationsEnts Safety Precautions Features Functions Rear TerminalRemote Control Unit Model Name Main Difference ListPart Name Specific Service Instructions AV-14FMG3/AV- 14FMG3B System CONSTANT-Ⅱ KEY Assignment of Remote Control Unit Service MenuSystem CONSTANT-Ⅰ System CONSTANT-ⅢUser Setting Values Setting of System Constant SETSetting value Setting item Setting contents Setting item Setting valueInitial Setting Value of Service Menu PAL Secam PresetSound System Do Not Adjust Setting item NT SCLocations of Front Panel Buttons and LAM PS Replacement of IC301 if V/C DecoderProcedures Adjustment Items Service AdjustmentsBefore Starting Service Adjustment Measuring Instrument and FixturesBasic Operation of Service Menu KEY Assignment of Remote Control UnitSetup Tour Method of settingC, 3.DEF and 4.VSM Preset Should be OFFService Menu Flow Chart Upperfocus Adjustment LocationsTP-E CRT Earth Wire Braided Assy LowerscreenFocus Adjustment AdjustmentsB1 Power Supply If Circuit AdjustmentAGC Delay PointPoint MatsushitaVideo / Chroma Circuit Adjustment Ad justment Remote Method of adjustment without measuring instrumentSUB Bright SUBColour Ⅱ Method of adjustment using measuring instrumentSUB Generator Oscillo TP-E #Socket TintCRT Secam Control unit BL AdjustTest point Ad justment part Description Remote BL ACKDeflection Circuit Adjustment PositionScurve VSM Preset SettingVER. Scurve TOP# P/C Magnets Purity / Convergence AdjustmentPurity Adjustment Static Convergence Adjustment Dynamic Convergence AdjustmentSoldering Iron Replacement of Chip ComponentReplacement Steps No.52026