(20” model) (15” model) Caution Be sure to read this manual before servicing. To assure safety from fire, electric shock, injury, harmful radiation and materials, various measures are provided in this Hitachi liquid crystal television/monitor. Be sure to read the cautionary items described in the manual to maintain safety before servicing. Service Warning 1. The LCD Panel Module is made of glass. When handling broken LCD Panel Module, take special care not to be injured. 2.
SAFETY NOTICE Maintenance and repair of this LCD TV/monitor should be done by qualified service personnel only. Critical parts that have special safety characteristics are identified by a in the replacement parts list. Use of any substitute replacement part that does not have the same safety characteristics as the recommended replacement part in the parts list might create shock, fire and / or other hazards.
SPECIFICATIONS Model C15-LC880SNT Panel Size Display Size Pixel Pitch Viewing Angle (H/V) Screen Tilt Angle Frequency Horizontal Vertical Contrast Ratio Brightness Display Color Display Resolution Optimum Mode Maximum Mode Input Signal Sync.
LOCATION OF OF CONTROL (Continued) LOCATION CONTROL Remote Control 1 2 3 4 5 7 6 8 9 10 11 12 13 15 14 16 16 15 17 12 1. RECALL button To display setup information of channel 2. MUTE button To switch on/off sound mute 3. TV/VIDEO button To select TV, AV1, AV2, S-Video, COMP, VGA or DVI mode 4. STANDBY button To switch on the LCD TV/monitor when at standby mode or vice versa 5. PICTURE button To select picture effect mode (Standard/Soft/Custom/Bright) 6.
LOCATION OF CONTROL 7. SOUND button To select the sound effect mode (Custom/News/Cinema/MusicHall) 8. TIME button To display the preset time 9. NUMBER buttons To directly select program number 10. DIGIT button To select one, two or three-digit program number input options 11. LST-CH button To return to previously selected program number 12. TELETEXT buttons (OPTIONAL) These buttons are used for certain models with Teletext functions only.
LOCATION OF CONTROL Front and Side Panels For 15” model 1 2 3 4 5 6 7 For 20” model 1 2 3 4 5 6 1. TV/VIDEO button To select TV, AV1, AV2, S-Video, COMP, VGA or DVI mode 2. MENU button To enter or exit from the menu 3. PROGRAM buttons To select previous/next program 4 . VOLUME buttons To decrease/increase volume Downloaded From TV-Manual.com Manuals 7 5. STANDBY button To switch on when at standby mode or vice versa 6.
CONNECTIONS Connecting The Antenna Antenna Note: * Aerial connections: Standard-phono socket 75 or F connector.. * Input impedance: 75 unbalanced. * For Australia only -Install an external aerial conforming to AS 1417.1 for safety purpose. Downloaded From TV-Manual.
CONNECTIONS Connecting The PC STEPS: 1. Switch off all power supplies to the equipment and TV set before connection 2. Connect the signal and audio cables from the computer output terminal to the TV 3. Connect power cord 4. Switch on the TV first, then switch on the computer 5. If the TV still does not function properly, please refer to the troubleshooting section to diagnose the problem.
CONNECTIONS Connecting AV Equipment This TV set provides AV1, AV2 input terminals, S-Video and a group of Y/Pb/Pr terminal for connection ’ video equipment. to VCR, VCD, DVD or other Please refer to the instruction manual of the other equipment for more information on the connection to the TV.
FACTORY SETTINGS 1. Press MENU button, then press 3210 using the number button on the remote control to enter into the factory setting. 2. The factory setting menu will be displayed on the screen. The following table is shown when in AV mode: Item 1 Factory setting Basic Setting 2 Color Setting 3 Sound Setting 4 4200K 5000K Warm 5 STANDARD 6 COOL 7 CUSTOM 8 Advanced Setting 9 Version Info Downloaded From TV-Manual.
TROUBLESHOOTING TV DOES NOT TURN ON Is the power cord and DC adapter plugged in? No Plug in Yes LED lights up No Check LED Yes Defective Replace LED with a new one Press Power button LED light is green LED light is red Check inverter PWB unit Normal Check MCU(U4) Defective Defective 1. Check MCU (U4) 2. Check CN3 (or CN7) is connected 3. Check U8 has VCC voltage Normal 1. Connect the line of J9 and inverter 2.
SCHEMATIC DIAGRAMS Main Diagram-1 Downloaded From TV-Manual.
SCHEMATIC DIAGRAMS Main Diagram-2 Downloaded From TV-Manual.
SCHEMATIC DIAGRAMS Control Keys Diagram Downloaded From TV-Manual.
SCHEMATIC DIAGRAMS Power Diagram Downloaded From TV-Manual.
SCHEMATIC DIAGRAMS Tuner Diagram Downloaded From TV-Manual.
SCHEMATIC DIAGRAMS Teletext Diagram Downloaded From TV-Manual.
SCHEMATIC DIAGRAMS Video Decoder Diagram Downloaded From TV-Manual.
SCHEMATIC DIAGRAMS Audio And CONN Diagram Downloaded From TV-Manual.
SCHEMATIC DIAGRAMS Lvds_ttl-out Diagram Downloaded From TV-Manual.
PRINTED CIRCUIT BOARD Tuner Board (Top Side) Downloaded From TV-Manual.
BLOCK DIAGRAM Downloaded From TV-Manual.
WIRING DIAGRAM Downloaded From TV-Manual.
INFORMATION OF ICS IC MC78M05 D-PAK Pin No. 1 2 Pin Name Input GND Description Output Voltage Pin No. 3 Pin Name Output Description Output Voltage Pin No. 3 Pin Name Adi/GND Description Output Voltage Pin No. 3 Pin Name Adi/GND Description Output Voltage Pin No. 4 5 Pin Name Feed Back ON/OFF Description Description Pin No. 9 10 11 12 13 14 15 16 Pin Name 2A 2B1 2B2 2B3 2B4 S0 2OE VCC Description Description Pin No. 5 6 7 8 Pin Name SDA SCL WP VCC Description Pin No.
INFORMATION OF ICS IC FSAV330 QS0P16 Pin No. 1 2 3 4 5 6 7 8 Pin Name S 1B1 1B2 1A 2B1 2B2 2A GND Description Pin No. 9 10 11 12 13 14 15 16 Pin Name 3A 3B2 3B1 4A 4B2 4B1 OE VCC Description Description Inputs Outputs Inputs Outputs Inputs Outputs Inputs Pin No. 8 9 10 11 12 13 14 Pin Name O3 I3 O4 I4 O5 I5 VCC Description Outputs Inputs Outputs Inputs Outputs Inputs Pin No. 5 6 7 8 Pin Name WE# VDD VSS NC Description Write Enable Power Supply Ground No Connection IC 74LCX14 S0IC14 Pin No.
INFORMATION OF ICS IC GM5221 PQFP-208 (DVI Input Port) Pin No. 126 127 128 129 130 131 132 133 134 136 137 138 Pin Name VDD_RX0_1.8 Description VDD (1.8V) for TMDS input pair 2. Must be bypassed with external capacitor to GND_RX0 AGND_RX0 Analog GND for TMDS input pair 0. Must be connected directly to the analog ground plane. RX0+ TMDS input pair 0 RX0TMDS input pair 0 AVDD_RX0_3.3 Analog VDD (3.3V) for TMDS input pair 2.
INFORMATION OF ICS IC GM5221 PQFP-208 (Analog Input Port) Pin No. 141 142 143 144 145 146 147 148 149 150 151 152 153 154 156 163 164 181 182 Pin Name Description AVDD_BLUE_3.3 Analog power (3.3V) for the blue channel. Must be bypassed with capacitor to AGND_BLUE pin on system board. BLUE+ Positive analog input for Blue channel. BLUENegative analog input for Blue channel. AGND_BLUE Analog ground for the blue channel. Must be directly connected to the analog system ground plane. AVDD_GREEN_3.
INFORMATION OF ICS IC GM5221 PQFP-208 (System Interface) Pin No.
INFORMATION OF ICS IC GM5221 PQFP-208 (LVDS Display Interface) Pin No. 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 67 68 43 44 45 46 47 48 49 Pin Name AVDD_LV_E_3.3 AVSS_LV_E CH3P_LV_E CH3N_LV_E CLKP_LV_E CLKN_LV_E CH2P_LV_E CH2N_LV_E CH1P_LV_E CH1N_LV_E CH0P_LV_E CH0N_LV_E AVSS_LV_E AVDD_LV_E_3.3 AVSS_LV AVDD_LV_3.3 AVDD_LV_O_3.3 AVSS_LV_O CH3P_LV_O CH3N_LV_O CLKP_LV_O CLKN_LV_O CH2P_LV_O CH2N_LV_O CH1P_LV_O CH1N_LV_O CH0P_LV_O CH0N_LV_O AVSS_LV_O AVDD_LV_O_3.
INFORMATION OF ICS IC GM5221 PQFP-208 (TTL Display Interface) Pin No. 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 43 44 45 46 47 48 49 55 67 68 Pin Name AVDD_LV_E_3.3 AVSS_LV_E ER0 ER1 ER2 ER3 ER4 ER5 ER6 ER7 EG0 EG1 AVSS_LV_E AVDD_LV_E_3.3 AVSS_LV AVDD_LV_3.3 AVDD_LV_O_3.3 AVSS_LV_O EG2 EG3 EG4 EG5 EG6 EG7 EB0 EB1 EB2 EB3 AVSS_LV_O AVDD_LV_O_3.3 EB4 EB5 EB6 EB7 DEN DHS DVS DCLK PPWR PBIAS Downloaded From TV-Manual.
INFORMATION OF ICS IC GM5221 PQFP-208 (Miscellaneous) Pin No.
INFORMATION OF ICS IC SAA5264PS/M3/0104 SDIP52 Pin No.
INFORMATION OF ICS IC SAA5264PS/M3/0104 SDIP52 Pin No. 37 Pin Name VSYNC 38 39 40 41 42 43 VSSP VDDC OSCGND XTALIN STALOUT RESET 44 45 46 47 48 49 50 51 52 VDDP SCL SDA Description Vertical sync pulse input; Schmitt triggered for a TTL version; the polarity of this pulse is programmable by register bit TXT1. V POLARITY Periphery ground Core supply voltage (+3.
INFORMATION OF ICS IC TVP5146PFP S-PQFP-G80 (Analog Video) Pin No. 80 1 2 7 8 9 16 17 18 23 Pin Name VI_1_A VI_1_B VI_1_C VI_2_A VI_2_B VI_2_C VI_3_A VI_3_B VI_3_C VI_4_A Description VI_1_x: Analog video input for CVBS/Pb/B/C VI_2_x: Analog video input for CVBS/Y/G VI_3_x: Analog video input for CVBS/Pr/R/C VI_4_x: Analog video input for CVBS/Y Up to 10 composite, 4 S-video, and 2 composite or 3 component video input(or a combination thereof) can be supported. The inputs must be ac-coupled.
INFORMATION OF ICS IC TVP5146PFP S-PQFP-G80 (Power Supply) Pin No. 26 13 12 79 10 15 24 78 11 14 25 3 6 19 22 4 5 20 21 27,32,42 56,68 31,41,55 67 39,49,62 38, 48,61 77 76 Pin Name AGND A18GND_REF A18VDD_REF CH1_A18GND CH2_A18GND CH3_A18GND CH4_A18GND CH1_A18GND CH2_A18GND CH3_A18GND CH4_A18GND CH1_A33GND CH2_A33GND CH3_A33GND CH4_A33GND CH1_A33VDD CH2_A33VDD CH3_A33VDD CH4_A33VDD DGND Description Analog ground. Connect to analog ground. Analog 1.8-V return Analog power for reference 1.
REPLACEMENT PARTS LIST The following service parts list are available for purchase. Serviceman may quote the components shown in this page for servicing purposes. PRODUCT SAFETY NOTE : Critical parts that have special safety characteristics are identified by a in the replacement parts list or the schematic diagrams. Use of any substitute replacement part that does not have the same safety characteristics as the recommended replacement part in the parts list might create shock, fire and/or other hazards.
PARTS LIST (FOR REFERENCE ONLY) The components shown in the remaining pages served as a reference only. It is not meant for ordering of components for servicing purposes. Do not quote any components from these lists. MAIN PCB ASSEMBLY Item 1 2 3 4 5 Part No. G1102-001001 G1102-001002 G1102-002001 G1107-001001 G1301-001006 Description COIL FIX C 120K T04 0603 COIL FIX C 2R7K T04 0603 COIL FIX C 3R3K T08 1206 COIL FIX 33uH 16.5X9 24.
C15-LC880SNT & C20-LC880SNT Copyright Downloaded From TV-Manual.com Manuals SC No.