COLOR TELEVISION
TC1475 / TC2175/ TF2139
TC1475 |
TC2175 |
TF2139 |
Contents
Contents
1. |
BRIEF INTRODUCTION................................................................... |
2 |
2. |
ELECTRICAL SPECIFICATIONS....................................................... |
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3. |
STRUCTURE BLOCK DIAGRAM....................................................... |
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4. |
DIAGRAM SCHEMATIC TC1475 / TC2175 ..................................... |
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5. DIAGRAM SCHEMATIC TF2139...................................................... |
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6. |
DIAGRAM PICTORIC TC1475 / TC2175 .......................................... |
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7. |
DIAGRAM PICTORIC F2139 ........................................................... |
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8. |
EXPLODED VIEW TC1475 / TC2175................................................ |
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9. |
EXPLODED VIEW TF2139............................................................... |
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10. |
DEFINITION & FUNCTION OF TMPA8873-XXXX PINS................... |
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11. |
REMOTE CONTROL (KEY ASSIGNMENTS LIST)............................. |
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12. |
CIRCUIT ANALYSIS..................................................................... |
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13. |
THE T08 CHASSIS MAINLY USE THE FOLLOWING IC AND |
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ASSEMBLIES .............................................................................. |
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14. |
DESCRIPTIONS FOR THE OPERATION OF FACTORY MODE............ |
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15. |
ELECTRICAL PARTS LIST TC1475 ................................................ |
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16. |
ELECTRICAL PARTS LIST TC2175................................................. |
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17. |
ELECTRICAL PARTS LIST TF2139 ................................................ |
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TC1475 / TC2175 / TF2139 |
1 |
Brief Introduction
1. Brief Introduction
TMPA8873-XXXX is introduced in this chassis, controlled by I2C bus, implement FS PLL tuning.
1 FS tuning 45.75M. band adjustable
2 Tuning in USA channel table by CATV/antenna.
3 Auto tuning, frequency fine tuning, skip setting 4 Color Sys: PAL-M\ PAL-N\ NTSC-M auto identified
5 2 AV input, YUV input, AV1\AV2\DVD(YUV) input preset 6 Switch program by numeric key directly,
7 Picture mode: personal\dynamic\standard\soft, switched by one key
8 Picture parameters adjustment: brightness\contrast\color\ sharpness\hue 9 Mute control: mute when switch programs and AV
10 Power on/off timer, program timer
11 Auto power off 15 minutes later when no signal in TV mode 12 special halftone menu display
13 English\French\Spanish\Portuguese menu display
14 8 self-detect signals generated by CPU for geometry distortion adjustment 15 50HZ/60HZ auto identified
16 Child lock(by press DISP button 4 seconds)
17 AV stereo, 2 volume inner control
18 Color and vertical position of main menu variable 19 Factory logo setting when no signal
20 TA1304/TA1343 tone control Plug-and-Play(25”~34”)
22 Multifunctional RC unit LA7461 TA9028 SC6122 may be efficiency or only one be efficiency.
TC1475 / TC2175 / TF2139 |
2 |
Electrical Specifications
2. Electrical Specifications
Model Number |
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RF system |
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PAL-M/N NTSC-M |
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Video system |
PAL-M/N NTSC-M |
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Receiving |
AIR |
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channel |
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CATV STD) |
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CATV HRC) |
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CATV IRC) |
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Channels preset |
181 |
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Antenna input |
75 Ohm Coaxial Cable |
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Picture tube |
37cm~ 86cm(14”~ 34”) diagonal |
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Audio output |
14” 21”: Maximum 2.5W× 2 |
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25” 29” 34”: Maximum 5W× 2 |
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Power source |
AC90V~ 260V OR AC130~ 260V 50/60Hz |
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Weight(Approx) |
14”(11Kg), 21”(24Kg), 25”(30Kg),29”(38Kg) |
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Dimensions |
14” |
450(W)× 410(D)× 378(H)mm |
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(W× H× D) (Approx) |
21” |
580(W)× 515(D)× 520(H)mm |
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25” |
750(W)× 528(D)× 560(H)mm |
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29” |
840(W)× 570(D)× 650(H)mm |
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Power Consumption |
14”=65W |
21”=75W 25”=120W |
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29”=130W |
34”=150W |
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Designs and specifications are subject to change without notice.
WARNING
The chassis in this receiver is partially hot. Use an isolation transformer between the line cord plug and power receptacle, when servicing this chassis. To prevent electric shock, do not remove cover. No user-serviceable parts inside. Refer servicing to qualified service personnel.
TC1475 / TC2175 / TF2139 |
3 |
Structure Block Diagram
3. Structure Block Diagram
Tuner |
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TU201 |
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SAWF |
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SIF |
BTSC |
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AN5832 or |
4053 |
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LA72700 |
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TC4053 |
AV1 |
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AV |
SW |
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AV2 |
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TDA1030 |
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TA1304/TA1343 |
AN7522/AN17821 |
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A1 |
A2 |
TDA1030 |
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S-AV |
y |
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Vout |
LA78040/TDA9302 |
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Video |
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Audio |
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LA78041/TDA8177 |
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S |
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Y |
Cb Cr |
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CRT |
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FBT |
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2 |
in |
Chip |
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T471 |
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Hout |
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TMPA8873-XXXX |
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EEPROM |
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8K bit |
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TA9028-023/022 |
KEY |
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LA7461 |
MATRIX |
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RECEIVEERMP |
SC6122 |
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TC1475 / TC2175 / TF2139 |
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4 |
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TMPA8873-XXXX Block Diagram
3.1. TMPA8873-XXXX Block Diagram
TC1475 / TC2175 / TF2139 |
5 |
Diagram Schematic
4. Diagram Schematic TC1475 / TC 2175
*Design and specifications are subject to change without notice.
TC1475 / TC2175 / TF2139 |
6 |
Diagram Schematic
5. Diagram Schematic TF2139
*Design and specifications are subject to change without notice.
TC1475 / TC2175 / TF2139 |
7 |
Diagram Pictoric
6. Diagram Pictoric TC1475, TC2175
TC1475 / TC2175 / TF2139 |
8 |
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