Service Manuals, User Guides, Schematic Diagrams or docs for : . Rare and Ancient Equipment PROFILI TELRA LCD CTV-100 telestar_lcd_profilo_telra_chassis_sm__207
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SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL LCD
SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL TV
SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
SERVICE MANUAL
Modification reserved
LCD TV Service Manual
CONTENTS
PAGE
1. Technical Specs. Connectors
and Chassis Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Assembling/Disassembling Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
TFT LCD Technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Soldering Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Euro Scart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Chassis Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2. Safety Instructions and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
3. I2C Bus Interconnection Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
4. Matrix Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
5. TFT Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
6. Fault Tracing Diagram-Power Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
7. DVD Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
7.1 Safety And Handling Precautions . . . . . . . . . . . . . . . . . . . . .16
8. Service Menu And Basic Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
9- AD9884A
100 MSPS/140 MSPS Analog Flat Panel Interface . . . . . . . . . . . . . . . . . . . . . . . . . . .20
10- TDA7057AQ
2 x5 W stereo BTL Audio Output Amplifier with DC Volume Control . . . . . . . . . . . . . . .24
11- ST92195B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
32-64K ROM HCMOS MCU With On-screen-Display and Teletext Data Slicer . . . . . . .26
12- LF00AB/C SERIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Very Low Drop Voltage Regulators with Inhibit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
13- BAS 70... / BAS 170W
Silicon Schottky Diode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
14- DPS9450
Display Processor and Scaler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
15- DS90C385/DS90C365
+3.3V Programmable LVDS Transmitter 24-Bit Flat Panel
Display (FPD) Link-85MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
16- ST24C16, ST25C16, ST24W16, ST25W16
Serial 16K (2Kx8) EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
2
PT-90A Chassis Service Manual
17- ST24LC21B, ST24LW21 ST24FC21, ST24FC21B,ST24FW21
1 Kbit (x8) Dual Mode Serial EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
18- LM2596
SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator . . . .45
19- HCC4051B/52B/53B/HCC4051B/52B/53B
Analog Multiplexers-Demultiplexers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
20- MSP34x0G
Multistandard Sound Processor Family . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
21- DVD BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
22- DVD OUT PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
23- LED 01 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
24- PC BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
25- TUNER BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
26- PUSH SET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
3
LCD TV Service Manual
1-TECHNICAL SPECIFICATIONS, CONNECTIONS and
CHASSIS OVERVIEW
1.1. Technical Specifications
1.1.1 Reception
Tuning System : Digital Multimedia Tuner (PLL)
Color Systems : PAL SECAM NTSC (Playback)
Sound Systems : B/G D/K L/L'
A/V Connections : SCART AND FRONT AV
Channel Selections : AIR, CABLE : The entire band via frequency search
IF Frequency : B/G, D/K, L : 38.9 MHz
L' : 33.4 MHz
I : 39.5 MHz
Aerial Input : 75 OHM
1.1.2 Miscellaneous
Audio Output (RMS) : 2x2W
Mains Voltage : 220-240 V (◦ Jabse Service Manual Search 2026 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo