Sharp 21V-R70M Service Manual

In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to itsoriginal condition and only parts

10Setting Mode Items (Continued)No. Item Name IC Register Range DefaultF55 PSW MTS PSW 0/1 0F56 FAO-VOL MTS VOL 0~63 60F57 CP PLL CHARGE PUMP 0/1 0F58

11Option Mode ItemsNoOPTION FUNCTION01Default Data001 DEMO Without DEMO With DEMO 1002 DOWNLOAD Without V-CHIP OP With V-CHIP OP 0003 V-CHIP Without V

12ADJUSTMENT METHODCaution: to get into the service mode, one of the ways is press direct key for service items. There is three stage of Service Mode

1321V-R70MData Service Mode Function Range Default DataF01 VIDEO TONE -GAIN (TV) V-TONE 0/1 0F02 VIDEO TONE -GAIN (AV) V-TONE 0/1 0F03 VIDEO TONE -GAI

14Data Service Mode Function Range Default DataF57 CP CHARGE PUMP 0/1 0F58 CC LEVEL CC LEVEL 0/1 0F59 OSD POS OSD POS 0/1 0F60 OFFSET-ADJ-COL COLOR -3

15-115-2CONTROLPRE-ADJUSTREQUIREMENTCONTENTINPUTCONDITIONOUTPUTADJUSTMENTPROCEDUREHISTORYOF REVISIONBUS OPTION FOR THIRD STAGE SERVICE DATAFUNCTION001

1616-116-2ADJUSTMENTITEMADJUSTMENTPOSITIONCONTROLPRE-ADJUSTREQUIREMENTCONTENTINPUTCONDITIONOUTPUTADJUSTMENTPROCEDUREHISTORYOF REVISIONH-POSITIONV07 ST

17-117-2ADJUSTMENTITEMADJUSTMENTPOSITIONCONTROLPRE-ADJUSTREQUIREMENTCONTENTINPUTCONDITIONOUTPUTADJUSTMENTPROCEDUREHISTORYOF REVISIONV-PHASEV06 STEP RA

18-118-2H-VCOV21 STEP RANGE 0-7I2C CONTROLOPTION SET UP, BUS SET UPNO SIGNAL (RASTER) CONDITIONAC 230VIC 801 PIN 11(MANUAL ADJ)1) GO TO SERVICE MODE,

19-119-2ADJUSTMENTITEMADJUSTMENTPOSITIONCONTROLPRE-ADJUSTREQUIREMENTCONTENTINPUTCONDITIONOUTPUTADJUSTMENTPROCEDUREHISTORYOF REVISIONRF-AGCV08 STEP RAN

2IMPORTANT SERVICE SAFETY PRECAUTIONService work should be performed only by qualified service technicians who arethoroughly familiar will all safety

20-1 20-2ADJUSTMENTITEMADJUSTMENTPOSITIONCONTROLPRE-ADJUSTREQUIREMENTCONTENTINPUTCONDITIONOUTPUTADJUSTMENTPROCEDUREHISTORYOF REVISIONWHITE BALANCEV14,

21-1 21-2ADJUSTMENTITEMADJUSTMENTPOSITIONCONTROLPRE-ADJUSTREQUIREMENTCONTENTINPUTCONDITIONOUTPUTADJUSTMENTPROCEDUREHISTORYOF REVISIONSUB-PICTUREV01 ST

22-122-2ADJUSTMENTITEMADJUSTMENTPOSITIONCONTROLPRE-ADJUSTREQUIREMENTCONTENTINPUTCONDITIONOUTPUTADJUSTMENTPROCEDUREHISTORYOF REVISIONSUB-COLORV03 STEP

23-1HIGH VOLTAGE- STEP RANGE --AFTER ALL ADJUSTMENT FINISHED.US 6 CH LION HEAD (MONOSCOPE PATTERN)AC 230V, RF INPUTCRT ANODE VOLTAGESET THE USER CONTR

24WAVEFORMS21V-R70M

25654321ABCDEFGHCHASSIS LAYOUT21V-R70MDUNTKD373WEPR701

26654321ABCDEFGHCRT BLOCK DIA GRAM21V-R70M

27ABCDEFGHIJ12345678910MAIN BLOCK DIAGRAM21V-R70MC APCFSC 2TVAUDIO OUTAUDIO BYPASSEX AUDIO INVIF VCOVIF APCVIF AGC2VIF AGC1NCVOLUMEIC303IC3002REARFRON

2821V-R70M10 11 12 13 14 15 16 17 18 19FILTHLFV-HOLDSAVL-VOLFRPMONOPOW

2921V-R70MDESCRIPTION OF SCHEMATIC DIAGRAMNOTES:1. The unit of resistance "ohm" is omitted.(K=kW=1000W, M=MW)2. All resistors are 1/16 wa

3SAFETY NOTICEMany electrical and mechanical parts in televisionreceivers have special safety-related characteristics.These characteristics are often

22047R609 271/2 WC7201u/50V220.002221V-R70M1FA123WJ100K47K22K2.78500P852220u25V47u0.56u13K33K1.55.6K15K1

21V-R230S/21V-R70M/21V-R75M/21V-R80M560P330P220PVB540ADAC1S1E

R702C743PR701C703C702R706C704C710R706D715R706C709R722D732R704R705D736D723D721D709D722D707R720R459101C383720R462123605C451R846R837601609R1058909R1076R1

34654321ABCDEFGHPWB-A: MAIN Unit (Chip Parts Side)FDC2Z3R61 3R61 7R62 4R623R61 8R626R43 2IC402R43 1C43 9RJ9R43 8RJ2 1RJ6R46 2RJ2R45 8RJ1 9R37 2R846Q8

35654321ABCDEFGH21V-R70MPWB-B: CRT Unit (Wiring Side)

21V-R70M! TU201 VTUVT1Y5UF201 TunerIC303 VHIAN17823A-1 AN17823AIC402 VHIMM1501XN-1 MM1501XN! IC501 VHIAN15524A-1 AN15524AIC601 VHIKA78R09AP1 KA78R09AP

C209 VCKYCY1HF103Z 0.01, 50V CeramicC210 VCKYCY1HF103Z 0.01, 50V CeramicD736 RH-EX0680GEZZ Zener, EX0680GE C213 VCKYCY1HB102K 1000p, 50V CeramicD751 R

21V-R70MC3080 VCEA0A1CW107M 100, 16V EL.C3081 VCKYCY1HB103K 0.01, 50V CeramicC805 VCEA0A1HW105M 1, 50V EL. C3083 VCEA0A1CW106M 10, 16V EL.C806 VCKYCY1

R841 VRD-RA2BE821J 820, 1/8W CarbonR842 VRS-CY1JF471J 470, 1/16W M-Ox.R616 VRD-RA2BE102J 1k, 1/8W Carbon R843 VRS-CY1JF103J 10k, 1/16W M-Ox.R617 VRS-C

21V-R70MR1854 VRS-CY1JF103J 10k, 1/16W M-Ox. Q853 RH-TX0110BMZZ TX0110BMR1855 VRD-RA2BE122J 1.2k, 1/8W Carbon Q854 RH-TX0110BMZZ TX0110BMR1894 VRD-RA2

CHANNEL Up / Down(Power On)VOLUME Up / DownMenu/PresetPOWERStandby MAIN REMOTE CONTROL 4LOCATION OF USER'S CONTROLFront PanelBasic Remote Control

! QACCU0210PJZZ AC CordVSP9050PA02WA SpeakerLBNDC0001PFZZ Wire HolderLHLDW1003PEZZ Wire HolderLHLDW1047PEZZ Wire HolderLHLDW1060PEZZ Wire HolderLHLDZ0

21V-R70M42Use tapes tofix the packingcase.Operation ManualGuarantee CardService ListBatteriesMARK H : Not replacement items.FRONTREARH Polyethylene Sa

I. NAKAMURA M. GABIT A. UGALDE S. VERZOSA 1 Noted Approved Che

5CIRCUIT PROTECTIONThe receiver is protected by a 3.15A fuse (F701),mounted on PWB-A, wired into one side of the A Cline input.X-RADIATION PROTECTOR

6Service Mode Overview1. Service mode is entered by SERVICE key input or CH-UP +VOL-DOWN input during reset.2. Service mode is cleared by entering SER

7Adjustment Mode ItemsNo. Item Name IC Register Range DefaultV01 SUB-PICTURE 1 Chip CONTRAST 0~127 127V02 SUB-TINT 1 Chip TINT 0~127 64V03 SUB-COLOR 1

8 SELF ADJUSTMENTH-VCO1. When there is H-VCO self-adjustment key input for adjustment item H-VCO, self-adjustment is performed.2. H-FREE(1chip) is se

9Setting Mode ItemsNo. Item Name IC Register Range DefaultF01 VIDEO TONE -GAIN (TV) 1 Chips V-TONE 0/1 0F02 VIDEO TONE -GAIN (AV) 1 Chips V-TONE 0/1 0