Page 1
SANYO Factory Code 19N8ZE Service Reference NO. 407 DP19640 SERVICE MANUAL 18.5" HDTV LCD ORIGINAL MFR'S VERSION A Design and specifications are subject to change without notice.
SERVICING NOTICES ON CHECKING 1. KEEP THE NOTICES 6. PERFORM A SAFETY CHECK AFTER SERVICING As for the places which need special attentions, they are indicated with the labels or seals on the Confirm that the screws, parts and wiring which cabinet, chassis and parts.
ABOUT LEAD FREE SOLDER (PbF) Distinction of PbF PCB: PCBs (manufactured) using lead free solder will have a PbF printing on the PCB. (Please refer to figures.) Caution: • Pb free solder has a higher melting point than standard solder; Typically the melting point is 86 F~104 F(30...
CONTENTS SERVICING NOTICES ON CHECKING………………………………………………………………… A1-1 HOW TO ORDER PARTS………………………………………………………………………………… A1-1 IMPORTANT………………………………………………………………………………………………… A1-1 ABOUT LEAD FREE SOLDER (PbF)…………………………………………………………………… A1-2 CONTENTS…………………………………………………………………………………………………… A2-1 GENERAL SPECIFICATIONS…………………………………………………………………………… A3-1~A3-7 DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF MECHANICAL PARTS AND P. C. BOARDS……………………………………B1-1, B1-2 2. REMOVAL AND INSTALLATION OF FLAT PACKAGE IC………………………………………B2-1, B2-2 SERVICE MODE LIST………………………………………………………………………………………...
GENERAL SPECIFICATIONS LCD Size / Visual Size 18.50 inch / 470.1mmV LCD Type Color TFT LCD System Number of Pixels 1366(H) x 768(V) Double Scan View Range Left/Right 85/85 degree Up/Down 80/80 degree < Bright Dot Zero Bright Dot Ratio Color System NTSC Speaker...
Page 6
Game Timer Timer Back-up (at Power Off Mode) more than Remote Unit RC-RU Control Glow in Dark Remocon Remocon Format SANYO Format Custom Code 38-C7h Power Source Voltage(D.C) UM size x pcs UM-4 x 2 pcs Total Keys 28 Keys...
Page 7
GENERAL SPECIFICATIONS G-10 Features Auto Shut Off Auto Search Power On Memory Hotel Mode Comb Filter Game Position Auto Setup Language TV Location Signal Type Automatic Search Picture Setting(TV) Picture Preference Brightness , Contrast , Color Tint Sharpness Color Temperature Backlight Picture Setting(PC) HOR Position , VER Position...
Page 8
GENERAL SPECIFICATIONS Englis Menu Language DBC (Dynamic Backlight Control) Dynamic Gamma Signal Meter (DTV Signal) Closed Caption CC Advanced V-Chip Clear Picture Size HD Zoom Film Mode Aspect PFC(Power Factor circuit) Freeze frame PIP/POP Direct Input Selection PC Plug and Play Digital Out Dolby Digital MPEG...
Page 9
GENERAL SPECIFICATIONS Component Input 720×480i (4:3) Yes (60Hz) 720×480i (16:9) Yes (60Hz) 720×480p (4:3) Yes (60Hz) 720×480p (16:9) Yes (60Hz) 720×576i (4:3) 720×576i (16:9) 720×576p (4:3) 720×576p (16:9) 1280×720p Yes (60Hz) 1920×1080i Yes (60Hz) 1920×1080p Wall Mount Size W x H(mm) Yes (100 x 100) Screw Size M4 x 10...
Page 10
GENERAL SPECIFICATIONS G-12 Interface Switch Side Power (Tact) Channel Up/Menu Up Channel Down/Menu Down Volume Up/Menu > Volume Down/Menu < Menu Play Eject Skip+, Search+ Skip-, Search- Still/Pause Stop Main Power SW Input Select/Enter Rear Main Power SW Indicator Power/Stand-By Yes (Green / Red) Power Wake Up On Timer...
Page 11
Sets/40' container w/Pallet w/Wrapping Cabinet Front G-16 Material PMMA+ ABS 94V0 NON-DECABROM Rear PS 94V0 NON-DECABROM Stand PS 94HB Jack Panel Non-Halogen Demand Eyelet Demand G-17 Environment Environmental standard requirement Green procurement of SANYO Pb-free Phase3(Phase3A) Measures for Whisker Rohs A3-7...
DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF MECHANICAL PARTS 1-3: MAIN PCB and REMOCON PCB (Refer to Fig. 1-3) AND P.C. BOARDS 1. Disconnect the following connector: CAUTION (CD2801, CP3001, CP4301 and CP6204). 2. Remove the 6 screws (1). Be careful not to remove the LVDS cable forcibly, because the LVDS cable may be damaged.
Page 13
DISASSEMBLY INSTRUCTIONS 1-5: SPEAKER ASS'Y AND LCD PANEL (Refer to Fig. 1-5) 1. Remove the 4 screws (1). 2. Remove the Speaker ass'y in the direction of arrow (A). 3. Remove the LCD PANEL in the direction of arrow (B). LCD Panel Speaker Ass'y Speaker Ass'y...
DISASSEMBLY INSTRUCTIONS 2. REMOVAL AND INSTALLATION OF 3. When IC starts moving back and forth easily after FLAT PACKAGE IC desoldering completely, pickup the corner of the IC using tweezers and remove the IC by moving with the IC REMOVAL desoldering machine.
Page 15
DISASSEMBLY INSTRUCTIONS INSTALLATION 4. When bridge-soldering between terminals and/or the soldering amount are not enough, resolder using a 1. Take care of the polarity of new IC and then install the Thintip Soldering Iron. (Refer to Fig. 2-8.) new IC fitting on the printed circuit pattern. Then solder each lead on the diagonal positions of IC temporarily.
SERVICE MODE LIST This unit is provided with the following SERVICE MODES so you can repair, examine and adjust easily. To enter to the SERVICE MODE function, press and hold both buttons simultaneously on the main unit and on the remote control for more than a the standard time in the appropriate condition.
WHEN REPLACING EEPROM (MEMORY) IC CONFIRMATION OF CHECK SUM, POWER ON TOTAL HOURS AND MICON VERSION Initial total of MEMORY IC, POWER ON total hours and MICON VERSION can be checked on the screen. Total hours are displayed in 16 system of notation. NOTE: If you set a factory initialization, the total hours is reset to "0".
ELECTRICAL ADJUSTMENTS 1. ADJUSTMENT PROCEDURE NO. FUNCTION NO. FUNCTION Read and perform these adjustments when repairing the 03 R DRIVE(N) 35 TINT circuits or replacing electrical parts or PCB assemblies. 04 R CUTOFF(N) 36 SHARP H1 MAX 05 G DRIVE(N) 37 SHARP H1 MIN CAUTION 06 G CUTOFF(N)
Page 19
ELECTRICAL ADJUSTMENTS 2-2: BRIGHTNESS CENT 2-3: CONTRAST MAX Place the set in Aging Test for more than 30 minutes. Place the set in Aging Test for more than 30 minutes. Receive the color bar pattern. (RF Input) Receive the color bar pattern. (RF Input) Using the remote control, set the brightness and Using the remote control, set the brightness and contrast to normal position.
Page 20
ELECTRICAL ADJUSTMENTS 2-4: CONTRAST 40 2-5: CONTRAST CENTER Place the set in Aging Test for more than 30 minutes. Place the set in Aging Test for more than 30 minutes. Receive the color bar pattern. (RF Input) Receive the color bar pattern. (RF Input) Using the remote control, set the brightness and Using the remote control, set the brightness and contrast to normal position.
Page 21
ELECTRICAL ADJUSTMENTS 2-6: Confirmation of Fixed Value (Step No.) Please check if the fixed values of each of the adjustment item is set correctly referring below. (TV/AV/COMPONENT/HDMI//PC/DTV) COMPONENT HDMI PC/HDMI-DVI FUNCTION CVBS 480i 480p 720p 1080i 1080p 480i 480p 720p 1080i 1080p 640x480...
WAVEFORMS FLASH 20ns 10µs 200mV 200mV 100mV TUNER 10µs 10µs 0.2µs 0.5V 100mV 200mV SOUND AMP 10µs 100mV 100mV 200mV SCALER VIDEO/AUDIO 10µs 0.5V 100mV 200mV 20µs 500mV 100mV JACK 20µs 500mV 100mV NOTE : The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
MECHANICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION 7A708A299A FRONT CABI ASS'Y 101A 708WPAA070 CABINET FRONT 101B 713WPA0452 GLASS LED 101C 800WQ00181 FELT SHEET 7A702B114A BACK CABI ASS'Y 7A702B065A BACK CABI ASS'Y 102A 702WPAB615 CABINET BACK 102B 721000A002 SHEET BUTTON 102C 735WPAB211 STOPPER BUTTON...