CAUTION:
Before servicing this chassis, it is important that the service technician read the "Safety
Precautions" and "Product Safety Notices" in this service manual.
ATTENTION:
Avant d'effectuer l'entretien du châassis, le technicien doit lire les «Précautions de sécurité»
et les «Notices de sécurité du produit» présentés dans le présent manuel.
VORSICHT:
Vor Öffnen des Gehäuses hat der Service-Ingenieur die ,,Sicherheitshinweise" und ,,Hinweise
zur Produktsicherheit" in diesem Wartungshandbuch zu lesen.
SERVICE MANUAL
MANUEL D'ENTRETIEN
WARTUNGSHANDBUCH
Data contained within this Service
manual is subject to alteration for
improvement.
Les données fournies dans le présent
manuel d'entretien peuvent faire l'objet
de modifications en vue de perfectionner
le produit.
Die in diesem Wartungshandbuch
enthaltenen Spezifikationen können sich
zwecks Verbesserungen ändern.
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
Colour Television
September 2004
No. 0208
15LD2200
i
15" TFT TV Service Manual
i
TABLE OF CONTENTS
1.
INTRODUCTION ...................................................................................................................................3
1.1. Scope .................................................................................................................................................3
1.2. General Features ...............................................................................................................................3
2.
SYSTEM BUILDING BLOCKS .............................................................................................................4
2.1. Analog Front End ...............................................................................................................................4
2.1.1.
Tuner...........................................................................................................................................4
2.1.2.
SAW Filters.................................................................................................................................5
2.2. Back End............................................................................................................................................5
2.3. Side Board(s) .....................................................................................................................................7
2.3.1.
Keypads ......................................................................................................................................7
2.3.2.
IR&Led Board .............................................................................................................................7
2.4. Power .................................................................................................................................................7
3.
IC AND COMPONENT DESCRIPTIONS............................................................................................10
3.1. Basic IC List .....................................................................................................................................10
3.2. UOCIII ..............................................................................................................................................10
3.2.1.
Pinout........................................................................................................................................11
3.3. PW1306 ...........................................................................................................................................15
3.3.1.
Pinout........................................................................................................................................15
3.4. M29W800AT ....................................................................................................................................24
3.5. DS90C385........................................................................................................................................24
3.6. P15V330 ..........................................................................................................................................24
3.7. 74HC4052 ........................................................................................................................................24
3.8. TA1366FG........................................................................................................................................24
3.9. TDA7056A........................................................................................................................................25
3.10.
TDA1308 ......................................................................................................................................25
3.11.
LM1117.........................................................................................................................................26
3.12.
24LC32 .........................................................................................................................................26
3.13.
24LC21 .........................................................................................................................................26
3.14.
74LVC541.....................................................................................................................................27
3.15.
SAA3010T ....................................................................................................................................27
3.16.
MC34167 ......................................................................................................................................28
3.17.
TFMS5360....................................................................................................................................28
3.18.
Board Connectors, Headers & Jumpers.......................................................................................28
3.18.1.
Analog PC Connector (PL400)..............................................................................................28
3.18.2.
Scart Connector (PL401) ......................................................................................................29
3.18.3.
S-Video Connector (JK403) ..................................................................................................29
3.18.4.
LVDS Panel Connector(1x20 PL179) ...................................................................................29
3.18.5.
TTL Panel Connector -Even (2x17 PL177)...........................................................................30
3.18.6.
TTL Panel Connector -Odd (2x17 PL178) ............................................................................30
3.18.7.
Panel Inverter Connector (1x11 PL176) ...............................................................................30
3.18.8.
Keypad Card Connector (1x5 PL175)...................................................................................31
3.18.9.
Optional Keypad Connector to UOC (1x2 PL 202) ...............................................................31
3.18.10.
LED & IR Receiver Connector (1x6 PL202)..........................................................................31
3.18.11.
Optional Rocker Sw. Connector (1x4 PL500) .......................................................................31
3.18.12.
PROMJet Connector (2x25 PL101) ......................................................................................31
3.18.13.
Side HP Connector for Side-card Option (PL405) ................................................................31
3.18.14.
Side AV Connector for Side-card Option (PL406) ................................................................32
3.18.15.
Side SVHS Connector for Side-card Option (PL407) ...........................................................32
4.
SERVICE MENU SETTINGS ..............................................................................................................33
4.1. UOCIII Service Menu .......................................................................................................................33
4.1.1.
UOCIII Service Menu Settings..................................................................................................33
4.1.2.
Tuner AGC Alignment...............................................................................................................37
4.1.3.
DCXO Alignment.......................................................................................................................37
4.2. PW1306 Service Menu ....................................................................................................................37
4.2.1.
UOC Horizontal Position...........................................................................................................38
4.2.2.
UOC Calibration........................................................................................................................38
4.2.3.
PW1306 PC Input ADC Calibration ..........................................................................................38
ii
15" TFT TV Service Manual
ii
4.2.4.
Init NVM ....................................................................................................................................39
4.2.5.
Initial APS .................................................................................................................................39
4.2.6.
Hotel Mode Activate..................................................................................................................39
4.2.7.
Burn In Mode ............................................................................................................................39
4.2.8.
Country .....................................................................................................................................39
4.2.9.
Language..................................................................................................................................39
4.2.10.
Pannel Type ..........................................................................................................................39
4.2.11.
Menu Background .................................................................................................................40
4.2.12.
Remote Control .....................................................................................................................40
4.2.13.
PC Mode ...............................................................................................................................40
5.
PRODUCTION SETTINGS AND FACTORY DEFAULTS..................................................................41
5.1. Production Schedule........................................................................................................................41
5.2. EEPROM Settings............................................................................................................................41
5.2.1.
Creating Master EEPROM........................................................................................................41
5.2.2.
Creating Mass Production EEPROM........................................................................................41
5.3. TV Menu...........................................................................................................................................41
5.3.1.
Picture Menu.............................................................................................................................41
5.3.2.
Audio Menu...............................................................................................................................42
5.3.3.
Window Menu ...........................................................................................................................42
5.3.4.
Options Menu............................................................................................................................42
5.3.5.
Settings Menu...........................................................................................................................42
5.4. PC Mode Menu ................................................................................................................................43
5.4.1.
Picture Menu.............................................................................................................................43
5.4.2.
Audio Menü...............................................................................................................................43
5.4.3.
Window Menu ...........................................................................................................................43
5.4.4.
Options Menü............................................................................................................................43
6.
BLOCK DIAGRAM..............................................................................................................................44
7.
CIRCUIT DIAGRAMS..........................................................................................................................45
7.1. 17MB18 Main Board Schematics.....................................................................................................45
7.2. Keypad Schematics .........................................................................................................................50
7.3. IR&LED Board Schematics..............................................................................................................51
7.4. Remote Controller Schematics ........................................................................................................52
1.
INTRODUCTION
1.1. Scope
The document covers 15" (17MB18) chassis building blocks, basic features, service menu settings, and the other
information needed by service personal.
1.2. General Features
The system is a TFT LCD TV solution with UOCIII Versatile Signal Processor and PW1306 Video Image Processor
chip-set on 4-layer PCB. The TV will support PAL/SECAM B/G/D/K/I/L/L'.
The other general default features of the TV are as listed below:
·
1 Full Scart input (with SVHS support)
·
1 SVHS input through standard S-Video interface.
·
1 CVBS input through standard RCA jack
·
75 ohms antenna input
·
D-Sub 15 PC Input
·
GERMAN + NICAM STEREO
·
<3W S/B Power Consumption from mains supply
·
2x3W Speaker Output Power @16 Ohm spks; HP Output, Stereo Audio line out
·
Stereo Audio line in
·
Equalizer
·
IR Control (RC5)
·
OSD;Menu Languages ENG, FRA, GER, ITA, SPA, POR, TUR, SWE, DEN, FIN, NOR, POL, HUN, CZE, BUL,
ARA, PER, RUS (subject to change and be grouped according to the market)
·
Teletext
·
2H/4H Comb Filter
·
White balance settings (warm/normal/cool) for TV&PC
·
Full AIR&CABLE band coverage
·
Auto Shut down