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HITACHI
HITACHI
SERVICE MANUAL
CAUTION :
Before servicing this chassis, it is important that the service techician reads the " Safety Precaution "
and " Product Safety Notices " in this Service Manual.
CONTENTS
SAFETY PRECAUTIONS ..............................................................................................
PRODUCT SAFETY NOTICE .........................................................................................
REMOTE CONTROL UNIT ..........................................................................................
GENERAL OPERATIONS GUIDE ...................................................................................
CIRCUIT DESCRIPTION ..............................................................................................
ADJUSTMENT INSTRUCTIONS ..................................................................................
REPLACEMENT PARTS LIST ........................................................................................
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
MARCH 2005
COLOR TELEVISION
Hitachi Consumer Products ( THAILAND ) , Ltd.
HCPT
C21-TF641S/SN/ST/SNT
C21-TF651S/SN/ST/SNT
C21-TF751S/SN/ST/SNT
C21-TF571S/SN/ST/SNT
T1 Chassis
T1-001
2
2
3
4
5
6
12
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Summary of Contents for Hitachi C21-TF641S
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Page 1: Table Of Contents
PRODUCT SAFETY NOTICE …………...…………….………...……………...…………….………… REMOTE CONTROL UNIT ……………..………...…………….……………………………………… GENERAL OPERATIONS GUIDE .………………...…………….……………………………………… CIRCUIT DESCRIPTION …………...…………….……………………………………………………… ADJUSTMENT INSTRUCTIONS ……………………...…………….………………………………… REPLACEMENT PARTS LIST …………………...…………….………………………………………… SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT. COLOR TELEVISION MARCH 2005 Hitachi Consumer Products ( THAILAND ) , Ltd. -
Page 2: Safety Precautions
X - radiatuion. chassis. For continued X-radiation protection, replace tube with the same type as the original, HITACHI approved type. 3. When replacing the chassis in the cabinet,ensure all the protective devices are put back in place,such... -
Page 3: Remote Control Unit
REMOTE CONTROL UNIT Models without Teletext Models with Teletext POWER ON/OFF SWITCH DEFAULT INPUT SELECTOR MUTE VOLUME UP/DOWN CHI/II (FOR NICAM/A2 MODELS) PROGRAMME UP/DOWN PROGRAMME SELECTOR (DIRECT KEY) RECALL CURSOR SURROUND SOUND RETURN MENU COLOR SYSTEM TIMER SOUND SYSTEM PICTURE EQUALIZER SOUND T/TEXT FUNCTION KEY (T/TEXT MODELS ONLY) -
Page 4: General Operations Guide
GENERAL OPERATIONS GUIDE With this set, all adjustments/settings are performed by selecting from menu screens. Different menu screens and details of adjustments/settings are shown below. To access the menu screen, press the button, then select the item by MENU pressing the up/down cursor buttons and adjust by the left/right cursor buttons - 4 -... -
Page 5: Circuit Description
BLOCK DIAGRAM - 5 -... -
Page 6: Adjustment Instructions
ADJUSTMENT INSTRUCTIONS HOW TO GO TO SERVICE MODE 1. How to go to adjustment mode no 001 ~ 022 Procedure (1) Turn TV off by power switch on the TV set. (2) Press " FUNCTION " button on the TV set and kept depress the button. (3) Turn TV on by power switch on the TV set. - Page 7 SOUND TRAP FREQUENCY ADJUSTMENT PREPARATION PROCEDURES Receive a PAL-I monoscope signal on TV mode. Select adjustment mode no. 3 and press "MENU" button one time. SECAM R-Y OFFSET ADJUSTMENT PREPARATION PROCEDURES Receive a secam color bar signal on Video 2. Select adjustment mode no.
- Page 8 VERTICAL SHIFT ADJUSTMENT PREPARATION PROCEDURES Preheat more than 5 minutes of power supply. Select the IIC control address No. 11. Receive PAL Philips pattern signal. Set the horizontal center line to vertical center maker of CRT by adjustment of IIC. Vertical center marker of CRT VERTICAL SIZE ADJUSTMENT PREPARATION...
- Page 9 HORIZONTAL CENTER ADJUSTMENT PREPARATION PROCEDURES Side pin adjustment should be already completed. Adjust adjustment mode no. 13 so that the average Receive circle pattern signal. reading of R and L is 2.0 + 0.5 at circle pattern signal. FOCUS ADJUSTMENT PREPARATION PROCEDURES Receive Philips pattern signal.
- Page 10 WHITE BALANCE ADJUSTMENT(Continued) PREPARATION PROCEDURES Turn the screen adjustment VR fully counterclockwise. Adjust brightness control so that the indication of the brightness meter is a prescribed value of brightness Set to lateral line mode by Press “MUTE” button on remote control . adjustment.
- Page 11 AGC ADJUSTMENT PREPARATION PROCEDURES All adjustment except for AGC adjustment should be Select adjustment mode no. 14 (TUNER AGC) and press completed. Heat-run for more than 5 min. “MENU” key one time. Data will be adjusted automatically Receive signal as table on the next page. .When AGC adjustment is complete,screen should be Set Contrast = 100, Brightness = 50.
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Page 12: Replacement Parts List
Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don't degrade the safety of the receiver through improper servicing HITACHI HITACHI CCT NO. REMARK PARTS NO. - Page 13 Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don't degrade the safety of the receiver through improper servicing HITACHI HITACHI CCT NO. REMARK PARTS NO.
- Page 14 Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don't degrade the safety of the receiver through improper servicing HITACHI HITACHI CCT NO. REMARK PARTS NO.
- Page 15 Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don't degrade the safety of the receiver through improper servicing HITACHI HITACHI CCT NO. REMARK PARTS NO.
- Page 16 Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don't degrade the safety of the receiver through improper servicing HITACHI HITACHI CCT NO. REMARK PARTS NO.
- Page 17 Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don't degrade the safety of the receiver through improper servicing HITACHI HITACHI CCT NO. REMARK PARTS NO.
- Page 18 Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don't degrade the safety of the receiver through improper servicing HITACHI HITACHI CCT NO. REMARK PARTS NO.
- Page 19 Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don't degrade the safety of the receiver through improper servicing HITACHI HITACHI CCT NO. REMARK PARTS NO.
- Page 20 Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don't degrade the safety of the receiver through improper servicing HITACHI HITACHI CCT NO. REMARK PARTS NO.
- Page 21 Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don't degrade the safety of the receiver through improper servicing HITACHI HITACHI CCT NO. REMARK PARTS NO.
- Page 22 Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don't degrade the safety of the receiver through improper servicing HITACHI HITACHI CCT NO. REMARK PARTS NO.
- Page 23 Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don't degrade the safety of the receiver through improper servicing HITACHI HITACHI CCT NO. REMARK PARTS NO.
- Page 24 Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don't degrade the safety of the receiver through improper servicing HITACHI HITACHI CCT NO. REMARK PARTS NO.
- Page 25 Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don't degrade the safety of the receiver through improper servicing HITACHI HITACHI CCT NO. REMARK PARTS NO.
- Page 26 Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don't degrade the safety of the receiver through improper servicing HITACHI HITACHI CCT NO. REMARK PARTS NO.
- Page 27 Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don't degrade the safety of the receiver through improper servicing HITACHI HITACHI CCT NO. REMARK PARTS NO.
- Page 28 Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don't degrade the safety of the receiver through improper servicing HITACHI HITACHI CCT NO. REMARK PARTS NO.
- Page 29 Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don't degrade the safety of the receiver through improper servicing HITACHI HITACHI CCT NO. REMARK PARTS NO.
- Page 30 Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don't degrade the safety of the receiver through improper servicing HITACHI HITACHI CCT NO. REMARK PARTS NO.
- Page 31 Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don't degrade the safety of the receiver through improper servicing HITACHI HITACHI CCT NO. REMARK PARTS NO.
- Page 32 IC-0010AC1 IC M37160M8-081FP(V0.62) All code except code 193, 194 IC-0009AC1 IC M37160M8-077FP(V5.62) Code 193, 194 IC-0011AC1 IC M37160M8-082FP(V5.63) III. Front control or Side control Table 3. Control Model Name Front control Side control C21-TF641S/SN/ST/SNT C21-TF651S/SN/ST/SNT C21-TF751S/SN/ST/SNT C21-TF571S/SN/ST/SNT - 32 -...
- Page 33 HITACHI Hitachi Consumer Products ( Thailand ) , Ltd. 99/9 Moo 3 Soi Wat Saothongklang, Bangna-Trad k.m.23 Rd., Tambol Bangsaothong, Ging Amphur Bangsaothong, Samutprakarn 10540 Tel. (001-66-2) 3979040 Fax. (001-66-2) 3979050 Hitachi, Ltd. Head Office : 5-1 , 1-Chome, Marunouchi, Chiyoda-ku, Tokyo Tel : TOKYO (212) 1111 ( 80 Lines ) Cable Address : "...