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Hitachi C21-RF80S Support Question

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Question posted by wthomas680 on January 30th, 2011

Removing The Child Lock

how to unlock the child lock from the tv model #c21-rf80s without the remote?

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Related Hitachi C21-RF80S Manual Pages

Service Manual - Page 1

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT COLOUR TELEVISION OCT 2003 Digital Media System Group, Hitachi Asia Ltd. SERVICE MANUAL PAL/SECAM/NTSC SC Number : 0009E C21-RF80S/SN/SNT Destination Code O81 O51 751 19* 201 433 98* 121 3P31 Chassis CAUTION: Before servicing this chassis, it is important that the...

Service Manual - Page 16

... power is 100~240V 50/60HZ . SERVICE ADJUSTMENTS ALIGNMENT INSTRUCTION (3P31) Before Servicing The TV Set The main power is ok, else please proceed servicing. -16- Please disconnect the power... plug form the wall outlet before the adjustment for at least 30 minutes and degauss the CRT thoroughly with BOM. Tools And Equipment For Adjustment Small - Don t short any two soldering points...

Service Manual - Page 17

... the focus knob of CRT screen in factory mode. Press key SOUND MODE , RECALL , CH I /II keys on the screen. SERVICE ADJUSTMENTS General Adjustment Enter factory mode Press SOUND MODE , RECALL , CH I /II in turn to enter factory mode. Press 0 key and a horizontal line will display on remote control unit to exit...

Service Manual - Page 18

..., CH I/II to enter factory mode, then press KEY 7 and select RF AGC item by the REMOTE CONTROL. Receive 60HZ monoscope pattern.Press PIC. MODE key to set picture in STANDARD mode . Press PIC... s horizontal center at the center of CRT screen. Enter the AGC item in factory)(KEY 9 ) Normally, this TV can auto adjust white balance, but for some CRT maybe need to obtain menu OSD at normal...

Service Manual - Page 23

... the best convergence result. magnet. (4) Remove the DY wedges and slightly tilt the deflection...CRT and set picture in AV status and press PIC.MODE key to set it where a uniform green field is obtained. Tighten the clamp screw of the screen by rotating(RB-G) static convergence. PURITY AND CONVERGENCE ADJUSTMENT COLOUR PURITY ADJUSTMENT (1) Before colour purity adjustment,warm up the TV...

Service Manual - Page 24

... the unit to malfunction. Keep the remote control unit dry. Note that there are chargeable and non-chargeable batteries. Remove the batteries from the remote control unit if you hear a click...polarity (+ or -) of the unit deteriorates. -24- Precautions when using the remote control unit Do not drop the remote control unit. Do not attempt to physical shocks. Wetting it in until you ...

Service Manual - Page 25

... TV set to use this TV set using the button on from the wall outlet. Mute Button 11. To turn the TV power ON 5 3 21 Press the power switch on the TV set is ON. -25- Power Indicator 3. Side Panel 5. If you are not going to switch off the set for 5 minutes, it on the remote...

Service Manual - Page 26

...IN 2 Terminals 2. Install an external aerial conforming to the equipment and TV set , please read the instruction manual of TV Set 2 1. Always ensure that the input and output terminals are ...Socket (75 Ohm) 6. Precautions when connecting to other equipment When using external equipment with this TV set before connection. AV OUT Terminals 2. AV IN 1 Terminals 3. Headphone Jack 1 AV ...

Service Manual - Page 27

...is received, press this button to select DUAL-1, DUAL-2 or MONO. REMOTE CONTROLLER FUNCTIONS Remote Control Unit 1234 SOUND SLEEP SYS. MONO Mono mode. When bilingual program ...is received, press this button to select STEREO or MONO. LANG. When the preset length of time has passed, the TV...

Service Manual - Page 28

...Low contrast and low brightness level. U.N.L SETUP TUNE HOLD SUBPAGE 10 PICTURE MODE button TV/TEXT MIX CLOCK GAME LST-CH TYPE SUBTITLE CANCEL P Press this --/--- Channel 28),...SLEEP SYS. MODE TV/AV 10 0 --/--- 11 Sound Mode Description USER User preset sound mode. Middle contrast and middle brightness level. REMOTE CONTROLLER FUNCTIONS Remote Control Unit 7 ...

Service Manual - Page 29

...channel. PIC. Press this TV set. Buttons Actions In Game P+ To move right. To retrieve 1 stage. 21 LAST CHANNEL button*2 Press this button to return to models with NICAM and Sound ... SOUND REVEAL PIC. P - MODE TV/AV 14 0 --/--- MENU To restart the game. CH I/II 123 RECALL 456 SOUND MODE 789 PIC. REMOTE CONTROLLER FUNCTIONS Remote Control Unit SOUND SLEEP SYS.

Service Manual - Page 30

...buttons on the remote control unit when in Teletext mode. 1 TV/TEXT button SOUND SLEEP SYS. MODE TV/AV 6 0...page number. SETUP TUNE REVEAL U.N.L HOLD SUBPAGE 4 COLOUR buttons 1 TV/TEXT CLOCK GAME LST-CH MIX TYPE SUBTITLE CANCEL P 2 Press ... Press this button to superimpose the teletext page over the TV programme. Press again to hide the information. 8 U.N.L button Press...

Service Manual - Page 31

...to display the Teletext screen. -31- Press this button again to prevent the page from changing. REMOTE CONTROLLER FUNCTIONS 9 HOLD button Press this button to hold state. SOUND SLEEP SYS. CH I/II ...this button once, "0001" will be displayed. LANG. SETUP TUNE 10 REVEAL U.N.L HOLD SUBPAGE TV/TEXT MIX CLOCK GAME LST-CH TYPE SUBTITLE CANCEL 13 11 TYPE button Press this button to release...

Service Manual - Page 32

...adjusted when receiving NTSC broadcasts. -32- CONTRAST Adjust contrast level. MODE AV/TV This TV set allows0you--/-t--o adjust any settings by selecting from the menu screens. button to...colour intensity. Selected Items Functions BRIGHTNESS Adjust brightness level. U.N.L SETUP TUNE HOLD SUBPAGE TV/TEXT MIX CLOCK GAME LST-CH TYPE SUBTITLE CANCEL P MENU INDEX P Press the...

Service Manual - Page 33

...TIME] menu *1 TIME CLOCK --:-- SURROUND Select ON to REMIND PROG channel. Set the length of the TV set the various timer functions. 1 Press the MENU button 3 times. 2 Select the desired item (e.g.... volume level. Set the clock time to switch off TV. Set the clock time to TV mode. If the power is switched off using the remote control unit. REMIND PROG 1 This menu allows you...

Service Manual - Page 34

... tune the unsatisfactory signal reception. You may keep the remote control unit out of reach to prevent children from any unauthorized access to the TV. *2 In AV mode, only COLOUR SYS will be displayed in PROGRAM. Selected Items LANGUAGE BACKGROUND CHILD LOCK*1 Functions Select the on TV. [TUNE] menu*2 TUNE COLOUR SYS SOUND SYS BAND...

Service Manual - Page 36

... in Figure 2. DEGAUSSING COIL DEGAUSSING COIL HOLDER Figure 1 PICTURE TUBE GROUNDING LEAD DEGAUSSING COIL SOCKET To CRT Unit ground Figure 2 -36- MECHANICAL ASSEMBLY REAR COVER REMOVAL 1.Remove screws from the rear cover as shown in Figure 1. 2.Remove the rear cover. CAUTION Discharge the picture tube to the dag coating (picture tube grounding lead). 3.Disconnect...

Service Manual - Page 49

...) I .C. TDA6107Q PHILIPS (TRIPLE VIDEO OUTPUT AMPLIFIER) WAFER 2.35mm 1 PIN CRT SOCKET G ZS10-2-108 E/E 15-18KV FOR 21"-29" CONTROL ASSEMBLY FOR 3P31 CARBON FILM RESISTOR 1.5K OHM 1/4W +/-5% (TAPE... TYPE) -49- TDA9874A PHILIPS (DIGITAL TV SOUNDDEMODULATOR/DECODER) QFP44 PACKAGE I .C. ...

Service Manual - Page 51

...! L=40mm NON COMMON PARTS FOR 3P31 MAIN POWER SWITCH SDDF-3-03 W/LOCK FOR 5N SPEAKER 8 OHM 8W 57 X 125mm FOR 2588 SPEAKER 8... R480 YZ4100DH010001 ! T601 ! CRT YZ500351010B02 ! C602 YZ4300FW224D00 Q451 YZ4614D2499000 L451 YZ480004290200...HOR. DEF LECTION LINEAR COIL 29uH 10mm FOR 14"-21" TV DEGAUSSING COIL FOR 21" TV L=1560mm T=50 220VAC 21" SEG-HITACHI COLOR PICTURE T UBE A51JSY63X13(C) (NORTH...

Service Manual - Page 52

... PARTS 1 POLYFOAM END CAP. BLACK (HIPS) 1 FRONT LENS (TRANSPARENT) 1 POWER SWITCH HOLDER - (ABS) 2 TAPE 280 X 25 X 0.3mm 2 TAPE 250 X 20 X 0.3 MM 1 TAPE 420 X 10 X 0.3 MM 4 CRT MTG. DIA. 6 X 22 X 2 MM CABINET COLOUR MATCH - L = 11" 1 COLOUR TIE - METAL SILVER GREY #MSG001 1 FORNT CABINET - DARK GREY #DG001 1 CONTROL KEY KNOB - BRACKET 1 POWER KNOB...