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20" TFT
SERVICE MANUAL
(17MB18)
TABLE OF CONTENTS

1. SOFTWARE UPDATE DESCRIPTION................................................................................................. 1
2. INTRODUCTION ...................................................................................................................................4
2.1. Scope ................................................................................................................................................. 4
2.2. General Features ............................................................................................................................... 4
3. SYSTEM BUILDING BLOCKS .............................................................................................................. 5
3.1. Analog Front End ............................................................................................................................... 5
3.1.1. Tuner...........................................................................................................................................5
3.1.2. SAW Filters ................................................................................................................................. 6
3.2. Back End ............................................................................................................................................6
3.3. Side Board(s) ..................................................................................................................................... 9
3.3.1. Keypads ...................................................................................................................................... 9
3.3.2. IR&Led Board .............................................................................................................................9
3.4. Power ...............................................................................................................................................10
4. IC AND COMPONENT DESCRIPTIONS ............................................................................................12
4.1. Basic IC List .....................................................................................................................................12
4.2. UOCIII ..............................................................................................................................................12
4.2.1. Pinout........................................................................................................................................13
4.3. PW1306 ...........................................................................................................................................17
4.3.1. Pinout........................................................................................................................................17
4.4. M29W800AT ....................................................................................................................................26
4.5. DS90C385........................................................................................................................................26
4.6. P15V330 ..........................................................................................................................................26
4.7. 74HC4052 ........................................................................................................................................26
4.8. TA1366FG........................................................................................................................................27
4.9. TDA7056A........................................................................................................................................27
4.10. TDA1308 ......................................................................................................................................27
4.11. LM1117.........................................................................................................................................28
4.12. 24LC32 .........................................................................................................................................28
4.13. 24LC21 .........................................................................................................................................28
4.14. 74LVC541.....................................................................................................................................29
4.15. SAA3010T ....................................................................................................................................29
4.16. MC34167 ......................................................................................................................................30
4.17. TFMS5360....................................................................................................................................30
4.18. Board Connectors, Headers & Jumpers.......................................................................................30
4.18.1. Analog PC Connector (PL400)..............................................................................................30
4.18.2. Scart Connector (PL401) ......................................................................................................31
4.18.3. S-Video Connector (JK403) ..................................................................................................31
4.18.4. LVDS Panel Connector(1x20 PL179) ...................................................................................31
4.18.5. TTL Panel Connector -Even (2x17 PL177)...........................................................................32
4.18.6. TTL Panel Connector -Odd (2x17 PL178) ............................................................................32
4.18.7. Panel Inverter Connector (1x11 PL176) ...............................................................................32
4.18.8. Keypad Card Connector (1x5 PL175)...................................................................................33
4.18.9. Optional Keypad Connector to UOC (1x2 PL 202) ...............................................................33
4.18.10. LED & IR Receiver Connector (1x6 PL202)..........................................................................33
4.18.11. Optional Rocker Sw. Connector (1x4 PL500) .......................................................................33
4.18.12. PROMJet Connector (2x25 PL101) ......................................................................................33
4.18.13. Side HP Connector for Side-card Option (PL405) ................................................................33
4.18.14. Side AV Connector for Side-card Option (PL406) ................................................................34
4.18.15. Side SVHS Connector for Side-card Option (PL407) ...........................................................34
5. DIGITAL MODULE IC and CONNECTOR DESCRIPTIONS ..............................................................35
5.1. STI5518............................................................................................................................................35
5.1.1. General Description................................................................................................................35
5.2. MAX232_SMD .................................................................................................................................35
5.2.1. General Description................................................................................................................35
5.2.2. Features ...................................................................................................................................35
5.3. 74HCU04 .........................................................................................................................................36
5.3.1. General Description................................................................................................................36


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17" TFT TV Service Manual 19/11/2003
5.3.2. Pin Description........................................................................................................................36
5.4. TSH22 ..............................................................................................................................................37
5.4.1. General Description................................................................................................................37
5.4.2. Pin Connections......................................................................................................................37
5.5. CS4334 ............................................................................................................................................37
5.5.1. General Description................................................................................................................37
5.5.2. Features ...................................................................................................................................37
5.6. AMIC A43L2616...............................................................................................................................38
5.6.1. General Description................................................................................................................38
5.6.2. Features ...................................................................................................................................38
5.6.3. Pin Description........................................................................................................................38
5.7. MX29LV160T ...................................................................................................................................40
5.7.1. General Description................................................................................................................40
5.7.2. Features ...................................................................................................................................40
5.7.3. Pin Description........................................................................................................................40
5.8. 24C32...............................................................................................................................................41
5.8.1. General Description................................................................................................................41
5.8.2. Features ...................................................................................................................................41
5.8.3. Pin Description........................................................................................................................41
5.9. STV0360 ..........................................................................................................................................42
5.9.1. General Description................................................................................................................42
5.9.2. Features ...................................................................................................................................42
5.9.3. Pin Description........................................................................................................................42
5.10. MAX809........................................................................................................................................45
5.10.1. General Description ............................................................................................................45
5.10.2. Features ...............................................................................................................................45
5.10.3. Pin Description....................................................................................................................45
5.11. TDCC2345TV39A......................................................................................................................... 46
5.11.1. General Description ............................................................................................................46
5.11.2. Pin Description....................................................................................................................46
5.12. STV0700.......................................................................................................................................46
5.12.1. General description ............................................................................................................46
5.12.2. Features ...............................................................................................................................47
5.12.3. Pin Description....................................................................................................................47
5.13. 74HC373 ......................................................................................................................................52
5.13.1. General Description ............................................................................................................52
5.13.2. Pin Connections ..................................................................................................................52
5.14. 74HC245 ......................................................................................................................................52
5.14.1. General Description ............................................................................................................52
5.14.2. Features ...............................................................................................................................52
6. SERVICE MENU SETTINGS ..............................................................................................................53
6.1. UOCIII Service Menu .......................................................................................................................53
6.1.1. UOCIII Service Menu Settings ...............................................................................................53
6.1.2. Tuner AGC Alignment...............................................................................................................57
6.1.3. DCXO Alignment.......................................................................................................................57
6.2. PW1306 Service Menu ....................................................................................................................57
6.2.1. UOC Horizontal Position...........................................................................................................58
6.2.2. UOC Calibration........................................................................................................................58
6.2.3. PW1306 PC Input ADC Calibration ..........................................................................................58
6.2.4. Init NVM ....................................................................................................................................59
6.2.5. Initial APS .................................................................................................................................59
6.2.6. Hotel Mode Activate..................................................................................................................59
6.2.7. Burn-In Mode ............................................................................................................................59
6.2.8. Country .....................................................................................................................................59
6.2.9. Language ..................................................................................................................................59
6.2.10. Menu Background .................................................................................................................60
6.2.11. Remote Control .....................................................................................................................60
6.3. Panel Type Change Shortcut...........................................................................................................60
7. PRODUCTION SETTINGS AND FACTORY DEFAULTS...................................................................61
7.1. Production Schedule........................................................................................................................61


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17" TFT TV Service Manual 19/11/2003
7.2. EEPROM Settings............................................................................................................................61
7.2.1. Creating Master EEPROM........................................................................................................61
7.2.2. Creating Mass Production EEPROM........................................................................................61
7.3. TV Menu...........................................................................................................................................61
7.3.1. Picture Menu.............................................................................................................................61
7.3.2. Audio Menu .............................................................................................................................61
7.3.3. Window Menu ...........................................................................................................................62
7.3.4. Options Menu............................................................................................................................62
7.3.5. Settings Menu ...........................................................................................................................62
7.4. PC Mode Menu ................................................................................................................................62
7.4.1. Picture Menu.............................................................................................................................62
7.4.2. Audio Men