Sharp 32LW-92H Service Manual
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Sharp 32LW-92H Service Manual

Pal i system colour television
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ELECTRICAL SPECIFICATIONS ........................................................................................ 3
IMPORTANT SERVICING NOTES ...................................................................................... 4
CONTROLS & TERMINALS ................................................................................................ 5
PRINTED WIRING BOARD LAYOUT ................................................................................. 7
PARTS LISTING ................................................................................................................... 8
HOW TO UPDATE THE TECHNICAL INFORMATION ...................................................... 11
SHARP CORPORATION
SERVICE MANUAL
PAL I SYSTEM COLOUR TELEVISION
MODEL
In the interests of user safety (required by safety
regulations in some countries) the set should be re-
stored to its original condition and only parts identi-
cal to those specified should be used.
In order to service the model 32LW-92H , refer to
the
AK-45
Chassis
(SE00AK45CHA00).
CONTENTS
1
SE0032LW92H00
Issued: 22
AK- 45
CHASSIS
32LW-92H
Service
This document has been published to
be used for after sales service only.
32LW-92H
Jan. 2004
nd
Manual

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  • Page 1: Table Of Contents

    In the interests of user safety (required by safety regulations in some countries) the set should be re- stored to its original condition and only parts identi- cal to those specified should be used. In order to service the model 32LW-92H , refer to AK-45 Chassis Service Manual (SE00AK45CHA00).
  • Page 2 32LW-92H SERVICE MANUAL UPDATE LOG SHEET Technical Report No. Application Cause / Solution Part No. Page No. Data /Serial No. Technical Bulletin No. Use this page to keep any special servicing information as Technical Report (Bulletin), Technical Information, etc. If only part number changes are required, just change part number directly the part number in the Parts Listing Section.

  • Page 3: Electrical Specifications

    32LW-92H ELECTRICAL SPECIFICATIONS •Picture Intermediate frequency ..38.9MHz •Power Input ....220V-240 Volts AC 50 Hz •Sound Carrier Trap ......32.9MHz •Power Consumption •Adjacent Sound Carrier Trap ..... 40.9MHz Normal Operation (Method IEC60107) ....90 W Stand-by Operation .......... < 4 W •Adjacent Picture Carrier Trap ...

  • Page 4: Important Servicing Notes

    32LW-92H IMPORTANT SERVICING NOTES Only qualified service personnel are allowed to carry out maintenance and repair of this receiver. Servicing of High Voltage System and CRT It is important that the static charge is removed from the high voltage system when carrying out work on the receiver.

  • Page 5: Controls & Terminals

    32LW-92H CONTROLS & TERMINALS FRONT PANEL 3&+ REAR PANEL (;7 (;7 )5217 $9 )$9 Speakers (left + right) VIDEO ( )= VCR = Power On / Off = Headphone 3,6 mm Ø + = Volume -/+ ANT = Antenna (75 W) - P/CH + = Program -/+ EXT.1 = Scart Socket 1 (with RGB)
  • Page 6 32LW-92H REMOTE CONTROL = Stand By = Cursor Up = Cursor Right OK = OK Info (Program Menu) 0 - 9 = Direct Program -/-- = Double Digit Wide mode button P/CH+ = Program + + = Volume + = TV / Quit Menu...
  • Page 7 32LW-92H CHASSIS LAYOUT Mother Unit CRT Unit Control Panel Unit Remote Control Unit...

  • Page 8: Parts Listing

    32LW-92H PARTS LISTING REF No. PARTS DESCRIPTION SN CODE EX CODE D108 30001315 DIODE BYD33D 1A/200V 20A REPLACEMENT PARTS D110 30001288 DIODE BYV27-200 2A/200V 50A Replacement parts which have special safety characteristics are identified in D111 30001318 DIODE BA159 1A/800V 20A this manual.
  • Page 9 32LW-92H REF No. PARTS DESCRIPTION SN CODE EX CODE REF No. PARTS DESCRIPTION SN CODE EX CODE C155 30000375 CAP EL 220UF 16V M L500 30001992 FIXED COIL 10UH Q65 K-A L501 30001992 FIXED COIL 10UH Q65 K-A C160 30000076 CAP MKT SAFE 100NF 275V M AC C161 30000440 CAP CER SAFE 2.2NF 4KV M...
  • Page 10 32LW-92H REF No. PARTS DESCRIPTION SN CODE EX CODE REF No. PARTS DESCRIPTION SN CODE EX CODE R221 30000792 RES CF 1/4W 75R J C724 30000345 CAP EL 10UF 50V M C735 30000393 CAP EL 3.3UF 50V M R231 30000792 RES CF 1/4W 75R J...

  • Page 11: How To Update The Technical Information

    PL106 30001830 CONN HEADER 2P 2.5MM TOP BLUE SD 30009005 IC 24C16 PL106 30002362 CNAS 830 FAV SHL W/4C+FER 30024554 POWER CORD SAFE BSI 2.2M SHARP W/FLT-FUS PL107 30001839 CONN HEADER 3P 2.5MM TOP GREEN SD 30018270 TRANSFORMER PFC SAFE 1,7A 43MH 170W PL108 30020926 CNAS 3P/900 FLT W/BLK C UL2468AWG24 20150375 PR.IC.45-SHARP 1.2.67-L1...
  • Page 12 Technical information and Production: Vestel Electronik AS PRINTED BY: Think Ecology, please use Technical information re-issued: SHARP ELECTRONICA ESPAÑA S.A. Service Manual Group Engineering Dept. Polígono Industrial Can Sant Joan 08190 Sant Cugat del Vallès Barcelona...
  • Page 13 TABLE OF CONTENTS 1.INTRODUCTION.............................1 2.TUNER..............................1 3.IF PART (TDA9885/86)..........................1 4.VIDEO SWITCH TEA6415........................2 5.MULTI STANDARD SOUND PROCESSOR...................2 6.SOUND OUTPUT STAGE WITH TDA7269A..................2 7.BERTICAL OUTPUT STAGE WITH STV9379FA...................2 8.VIDEO OUTPUT AMPLIFIER TDA6108....................2 9.POWER SUPPLY (SMPS)........................3 10.MICROCONTROLLER SDA55XX......................3 10.1.General Features..........................3 10.2.External Crystal and Programmable Clock Speed................3 10.3.Microcontroller Features.........................3 10.4.Memory............................
  • Page 14 13.12.TCET1102G..........................16 13.12.1.Description..........................1 6 13.12.2.Applications..........................16 13.12.3.Features..........................1 6 13.13.TDA9885T...........................16 13.13.1.General Description......................16 13.13.2.Features..........................1 6 13.13.3.Pinning..........................17 13.14.PI5V330............................1 7 13.14.1.General Description......................17 14.AK45 CHASSIS PRODUCTION SERVICE MODE ADJUSTMENTS..........18 14.1.SERVICE MENU...........................18 14.2.ADJUST MENU..........................18 14.3.OPTIONS MENU........................... 3 0 Option 0. Video Processor Crystal Indication..................30 Option 1.
  • Page 15 Option 50. FM Prescale........................40 Option 51. NICAM Prescale......................40 Option 52. Scart Input Prescale......................40 Option 53. I2S Prescale........................4 0 Option 54. Scart Output Prescale......................40 Option 55. Speaker Setup.........................41 Option 56. Audio Options Available Or Not..................41 Option 57. Stereo Threshold......................41 Option 58. MSP Audio Flags......................42 Option 59.

  • Page 17: Introduction

    1.INTRODUCTION 11AK45 is a 50Hz colour television capable of driving 24” + CRT sizes( beginning from 24” 16:9 up to 33”). The chassis is capable of operation in PAL, SECAM, NTSC (playback) colour standards and multiple transmission standards as B/G, D/K, I/I’, and L/L´. Sound system output is supplying 2x10W (10%THD) for left and right outputs of 8ohm speakers.

  • Page 18: Video Switch Tea6415

    4.VIDEO SWITCH TEA6415 In case of three or more external sources are used, the video switch IC TEA6415 is used. The main function of this device is to switch 8 video-input sources on the 6 outputs. Each output can be switched on only one of each input. On each input an alignment of the lowest level of the signal is made (bottom of sync.

  • Page 19: Power Supply (Smps)

    9.POWER SUPPLY (SMPS) The DC voltages required at various parts of the chassis are provided by an SMPS transformer controlled by the IC MC44608, which is designed for driving, controlling and protecting switching transistor of SMPS. The transformer generates 145V for FBT input, +/-14V for audio amplifier, 5V and 3.3V stand by voltage and 8V, 12V and 5V supplies for other different parts of the chassis.

  • Page 20: Acquisition Features

    • One out of Eight Colours for Foreground and Background Colours for 1-bit DRCS and ROM Characters • Shadowing • Contrast Reduction • Pixel by Pixel Shiftable Cursor With up to 4 Different Colours • Support of Progressive Scan and 100 Hz. •...

  • Page 21: Ic Descriptions

    K9356M: Standard B/G, D/K, I, L Features TV IF audio filter with pass band for sound carriers at 32,40 MHz (D/K, L), 32,90 MHz (I) and 33,40 MHz (B/G) K3953M Terminal and Pin configuration are the same with K9656M: Standard B/G, D/K, I, L/L’...

  • Page 22: Pinning

    • Low power consumption • Short-circuit resistant • High performance • high signal-to-noise ratio • High slew rate • Low distortion • Large output voltage swing. 13.2.3.Pinning SYMBOL DESCRIPTION OUTA Output A INA(neg) Inverting input A INA(pos) Non-inverting input A Negative supply INB(pos) Non-inverting input B...

  • Page 23: Features

    13.3.2.Features Standard Selection with single I C transmission Automatic Standard Detection of terrestrial TV standards Automatic Sound Selection (mono/stereo/bilingual), new registers MODUS, STATUS Two selectable sound IF (SIF) inputs Automatic Carrier Mute function Interrupt output programmable (indicating status change) Loudspeaker / Headphone channel with volume, balance, bass, treble, loudness AVC: Automatic Volume Correction Subwoofer output with programmable low-pass and complementary high-pass filter 5-band graphic equalizer for loudspeaker channel...

  • Page 24: Vdp313Xy

    AVSS Analog ground MONO_IN Mono input Not connected Reference voltage IF A/D VREFTOP converter SC1_IN_R SCART 1 input, right SC1_IN_L SCART 1 input, left ASG1 AHVSS Analog Shield Ground 1 SC2_IN_R SCART 2 input, right SC2_IN_L SCART 2 input, left ASG2 AHVSS Analog Shield Ground 2...

  • Page 25: Features

    13.4.2.Features Video Decoding and Processing – four CVBS, one S-VHS input, one YC component input – integrated high-quality A/D converters and associated clamp and AGC circuits – adaptive 2H comb filter Y/C separator – multistandard colour decoder PAL/NTSC/SECAM including all substandards –...

  • Page 26: Tea6415C

    SENSE GNDAB Sense ADC Input GNDM SUPPLY Ground, MADC ınput VERTQ Inverted Vertical Sawtooth Output VERT Vertical Sawtooth Output Vertical Parabola Output XREF Reference Input for RGB DACs SVMOUT VSUPAB Analog Scan Velocity Modulation Output GNDAB SUPPLY Analog Ground Backend VSUPAB SUPPLY Analog Supply Voltage (5.0V) Backend...

  • Page 27: Pinning

    • 6.5dB gain between any input and output • 55dB crosstalk at 5mHz • Fully ESD protected 13.5.3.Pinning Input Max : 2Vpp, Input Current: 1mA, Max : 3mA Data Low level : -0.3V Max: 1.5V, High level : 3.0V Max : Vcc+0.5V Input Max : 2Vpp, Input Current: 1mA, Max : 3mA Clock...

  • Page 28: Tda7269A

    13.7.TDA7269A 13.7.1.Description The TDA7269A is class AB dual Audio power amplifier assembled in the Multiwatt package, specially designed for high quality sound application as Hi-Fi music centers and stereo TV sets. 13.7.2.Features Wide Supply Voltage Range Up To ±20V Split Supply High Output Power 14 + 14W @THD =10%, R =Ω,V...

  • Page 29: Pin Configurations

    • Self-timed Write Cycle (10 ms max) • High-reliability – Endurance: 1 Million Write Cycles – Data Retention: 100 Years • Automotive Grade and Extended Temperature Devices Available • 8-lead JEDEC SOIC, 8-pin PDIP and 8-lead TSSOP Packages 13.9.3.Pin Configurations Pin name Function A0-A2...

  • Page 30: Mc44608

    Memory • Non-multiplexed 8-bit data and 16 … 20-bit address bus (ROMless Version) • Memory banking up to 1Mbyte (Romless version) • Up to 128 Kilobyte on Chip Program ROM • Eight 16-bit data pointer registers (DPTR) • 256-bytes on-chip Processor Internal RAM (IRAM) •...

  • Page 31: General Features

    enables the reduction of the stand–by power consumption to approximately 1W while delivering 300mW in a 150W SMPS. • Integrated Start–Up Current Source • Lossless Off–Line Start–Up • Direct Off–Line Operation • Fast Start–Up 13.11.2.General Features • Flexibility • Duty Cycle Control •...

  • Page 32: Tcet1102G

    13.12.TCET1102G 13.12.1.Description The TCET110/ TCET2100/ TCET4100 consists of a phototransistor optically coupled to a gallium arsenide infrared-emitting diode in a 4-lead up to 16-lead plastic dual inline package. The elements are mounted on one lead frame using a coplanar technique, providing a fixed distance between input and output for highest safety requirements.

  • Page 33: Pinning

    AM demodulator without extra reference circuit Alignment-free selective FM-PLL demodulator with high linearity and low noise I C-bus control for all functions I C-bus transceiver with pin programmable Module Address (MAD). 13.13.3.Pinning SYMBOL DESCRIPTION VIF1 VIF differential input 1 VIF2 VIF differential input 2 output 1 (open-collector) FMPLL...

  • Page 34: Ak45 Chassis Production Service Mode Adjustments

    14.AK45 CHASSIS PRODUCTION SERVICE MODE ADJUSTMENTS 14.1.SERVICE MENU All system, geometry and white balance alignments are performed in production service mode. Before starting the production mode alignments, make sure that all manual adjustments are done correctly. To start production mode alignments enter the MAIN MENU and then press the digits 4, 7, 2 and 5 respectively or press MUTE and INFO buttons at the same time.
  • Page 35 Y-Delay NTSC Enter an NTSC colour and black-white bar test pattern via RF. Adjust Y-Delay NTSC till the colour transients on the colour bar of the pattern become as sharper and colours between transients do not mix with each other as possible. Y-Delay other Not used.
  • Page 36 The amplitude of B of RGB output can be adjusted with the drive parameter WDB. The DC offset values of R of RGB output can be adjusted with the cutoff parameter CR. The DC offset values of G of RGB output can be adjusted with the cutoff parameter CG. The DC offset values of B of RGB output can be adjusted with the cutoff parameter CB.
  • Page 37 PANORAMIC VERT_POS (Panoramic mode Vertical Position) It’s used to adjust the vertical position of panoramic mode. PANORAMIC VERT_AMPL (Panoramic mode Vertical Amplitude) It’s used to adjust the vertical amplitude of panoramic mode. PANORAMIC VERT_SCOR (Panoramic mode Vertical S-Correction) It’s used to adjust the vertical s-correction of panoramic mode. PANORAMIC VERT_SSYM (Panoramic mode Vertical S-Symmetry) It’s used to adjust the vertical s-symmetry of panoramic mode.
  • Page 38 16:9 ZOOM VERT_POS (16:9 Zoom mode Vertical Position) It’s used to adjust the vertical position of 16:9 zoom mode. 16:9 ZOOM VERT_AMPL (16:9 Zoom mode Vertical Amplitude) It’s used to adjust the vertical amplitude of 16:9 zoom mode. 16:9 ZOOM VERT_SCOR (16:9 Zoom mode Vertical S-Correction) It’s used to adjust the vertical s-correction of 16:9 zoom mode.
  • Page 39 OSD Position It’s used to adjust the horizontal position of the OSD. BCLTHR Beam current threshold BCLG Beam current loop gain ROTATION (TILT) This adjustment only works when the TV has rotation option. Change TILT by pressing Left/Right buttons to rotate the complete raster clock-wise and counter clock-wise depending on the CRT. Check and readjust TRPEZ item if the adjustment becomes improper after some other geometric adjustments are done.
  • Page 40 POFS2 (RGB HORIZONTAL SHIFT) It’s used to adjust the horizontal position of RGB signal. REFERENCE WDR RED COOL The amplitude of R of RGB output can be adjusted with the drive parameter WDR for the colour temp of cool mode. REFERENCE WDR GREEN COOL The amplitude of G of RGB output can be adjusted with the drive parameter WDR for the colour temp of cool mode.
  • Page 41 FULL HORZ_POS It’s used to adjust the horizontal position of 16:9 mode (full mode). FULL HORZ_AMPL It’s used to adjust the horizontal amplitude of 16:9 mode (full mode). BRIGHT MODE BRIGHTNESS It’s used to adjust the brightness value of bright mode. BRIGHT MODE COLOUR It’s used to adjust the colour value of bright mode.
  • Page 42 14:9 RGB CUSHION It’s used to adjust the cushion in 14:9 mode for RGB signals. PANAROMIC RGB HORIZONTAL AMPLITUDE It’s used to adjust the horizontal amplitude in panoramic mode for RGB signals. 16:9 RGB HORIZANTOL AMPLITUDE It’s used to adjust the horizontal amplitude in 16:9 mode for RGB signals. 16:9 SUBTITLE RGB HORIZONTAL AMPLITUDE It’s used to adjust the horizontal amplitude in 16:9 subtitle mode for RGB signals.
  • Page 43 ADJUST EXPLANATION 2835 2835W MULTI MULTI - PAL I White Point RED White Point GREEN Whit Point BLUE AGC (Automatic Gain Control) It will be adjusted to below 1V of Max. AGC for each TV. IF-PLL Negative IF-PLL Positive Y-Delay Y-Delay SECAM Y-Delay NTSC Y-Delay OTHER...
  • Page 44 14:9 ZOOM TRAPEZE 14:9 ZOOM CUSHION 14:9 ZOOM HOR_COR_SYM 14:9 ZOOM HOR_CORNER 14:9 ZOOM HORZ_POS 14:9 ZOOM HORZ_AMPL 16:9 ZOOM VERT_POS 16:9 ZOOM VERT_AMPL 16:9 ZOOM VERT_SCOR 16:9 ZOOM VERT_SSYM 16:9 ZOOM TRAPEZE 16:9 ZOOM CUSHION 16:9 ZOOM HOR_COR_SYM 16:9 ZOOM HOR_CORNER 16:9 ZOOM HORZ_POS 16:9 ZOOM HORZ_AMPL 16:9 ZOOM SUBTITLE VERT_POS...
  • Page 45 FULL HORZ_POS FULL HORZ_AMPL BRIGHT MODE BRIGHTNESS BRIGHT MODE COLOUR BRIGHT MODE CONTRAST SOFT MODE BRIGHTNESS SOFT MODE COLOUR SOFT MODE CONTRAST PERSONAL MODE FACTORY SETTING BRIGHTNESS PERSONAL MODE FACTORY SETTING COLOUR PERSONAL MODE FACTORY SETTING CONTRAST SCINC FOR PANORAMIC MODE SCINC1 FOR PANORAMIC MODE VOLUME AFTER APS VERTICAL SCROLL...

  • Page 46: Options Menu

    14.3.OPTIONS MENU Select the parameter by pressing up/down buttons. Adjust the parameter by pressing Left/Right buttons. . In OPTIONS menu, some of the changed parameters are not stored automatically. To store the adjusted parameters, you should turn off and on TV. OPTIONS...

  • Page 47: Option 3. (0X19) Video Processor Cathode Drive Level

    B2: x B1: LUMA 1 Luma Soft Limiter Enabled B0: BB 1 Blue Background Option Option 3. (0x19) Video Processor Cathode Drive Level B7: x B6: x B5: x B4: x B3: x B2: x B1: x B0: country note 0 Note 0: choice for others country option Option 4.

  • Page 48: Option 8. If Frequency

    Option 8. IF Frequency B7: x B6: x B5: IfI note 3 B4: IfD note 4 B3: IfM note 5 B2: Aps note 6 B1: Hp note 7 B0: Hue note 8 note 3: IF I 39.5 MHz Great Britain I , Only UHF Tuner IF I 38.9 MHz Ireland I+ Standard Tuner...

  • Page 49: Option 11. Pll Tuner Control 1 Byte

    B0: BSVHS = note 6 note 2 : RGB Menu Item active/inactive RGB Menu Item inactive RGB Menu Item active note 3: Front S-VHS not supported Front S-VHS available note 4: Back AV (AV-3) not supported Back AV (AV-3) available note 5: Scart 2 not supported Scart 2 available...

  • Page 50: Option 13. Pll Tuner Control 2 Mid Byte

    Option 13. PLL Tuner Control 2 Mid Byte b7 b6 b5 b4 b3 b2 b1 b0 Philips UV1316T MK3 0 0 0 0 0 0 1 0 Philips UV1316MK2 1 0 0 1 0 0 1 0 Alps TELE9X062A 0 0 0 0 0 0 1 0 Samsung TEXX2949PG28A 0 0 0 0 0 0 1 0 Siel...

  • Page 51: Option 19. Pip Pll Tuner Control 1 Byte

    Option 19. PIP PLL Tuner Control 1 Byte b7 b6 b5 b4 b3 b2 b1 b0 Philips UV1316MK2 1 0 0 0 1 1 1 0 Alps TELE9X062A 1 0 0 0 1 1 1 0 Samsung TEXX2949PG28A 1 0 0 0 1 1 1 0 Siel PT060 1 0 0 0 1 1 1 0...

  • Page 52: Option 25. Pip Pll Tuner Vhf High - Uhf Crossover Low Byte

    Option 25. PIP PLL Tuner VHF HIGH – UHF Crossover Low Byte b7 b6 b5 b4 b3 b2 b1 b0 Philips UV1316MK2 1 1 1 0 0 0 1 0 (E2 hex) Alps TELE9X062A 0 0 0 0 0 0 0 0 Samsung TEXX2949PG28A 1 0 1 0 0 0 1 0 Siel...

  • Page 53: Option 30. Country

    16:9 Tube size 4:3 Tube size note 3: Z.Def : Zoom Default Mode 16:9 mode default 4:3 mode default Option 30. Country B7: C4 = note 1 B6: C3 = note 1 B5: C2 = note 1 B4: C1 = note 1 B3: C0 = note 1...

  • Page 54: Option 33. Prescaler Msp Scart (Avl=Off)

    Option 33. Prescaler MSP SCART (AVL=OFF) b7 b6 b5 b4 b3 b2 b1 b0 prescaler MSP SCART (AVL = OFF) 0 0 0 0 1 1 0 0 b7 b6 b5 b4 b3 b2 b1 b0 prescaler MSP SCART (AVL = OFF) 0 0 0 1 1 0 0 1 (if virtual dolby option is available) Option 34.

  • Page 55: Option 39. Personal Preferance Equalizer Band 1

    Equalizer available Equalizer not available Equalizer available note 5 : List Mode available List Mode not available List Mode available note 6 : Country Line available / Aps available or not Country Line not available / Aps not available Country Line available / Aps available note 7 : VCR Menu Item available / not available VCR Menu Item not available...

  • Page 56: Option 47. Volume Offset Center

    Option 47. Volume Offset Center b7 b6 b5 b4 b3 b2 b1 b0 VOLUME OFFSET CENTER 0 0 0 0 0 1 1 0 Option 48. Volume Offset Rear b7 b6 b5 b4 b3 b2 b1 b0 VOLUME OFFSET REAR 0 0 0 0 0 1 1 0 Option 49.

  • Page 57: Option 55. Speaker Setup

    Option 55. Speaker Setup b7 b6 b5 b4 b3 b2 b1 b0 Speaker Setup (L/R, L/C/R, L/R/S, L/C/R/S) 0 0 0 0 0 0 0 0 Option 56. Audio Options Available Or Not Attention: All bits on the Option 56 must be the “0” for MONO TV SETS B7: nicam note 7 B6: ASD...

  • Page 58: Option 58. Msp Audio Flags

    MSP Stereo/Mono Threshold 0 0 0 1 1 0 0 1 Option 58. MSP Audio Flags B7: b7 = B6: b6 = B5: b5 = B4: Trs = note 1 B3: Trb = note 1 B2: Bbe = note 1 B1: Spa = note 1 B0: Avl =...
  • Page 59 Number L7L6L5L4L3L2L1L0 Delay Number L7L6L5L4L3L2L1L0 Delay 00000000 = 4 sec 00100000 = 12 sec 00000001 = 4,25 sec 00100001 = 12,25 sec 00000010 = 4,5 sec 00100010 = 12,5 sec 00000011 = 4,75 sec 00100011 = 12,75 sec 00000100 = 5 Sec 00100100 = 13 sec...
  • Page 60 Bit Positions 76543210 76543210 00100000 00000000 00000001 00100001 00000010 00100010 00000011 00100011 00000100 00100100 00000101 00100101 00000110 00100110 00000111 00100111 00001000 00101000 00001001 00101001 00001010 00101010 00001011 00101011 00001100 00101100 00001101 00101101 00001110 00101110 00001111 00101111 Colour Code 00010000 00110000 00010001 00110001 00010010...

  • Page 61: Option Table Recommended Values

    14.4.OPTION TABLE RECOMMENDED VALUES X listed in the option can be 0 or 1 OPTION 2835 MULTI 2835W MULTI 2835W PAL I X2 XXXXXX10 X2 XXXXXX10 X2 XXXXXX10 XX XXXXXXXX XX XXXXXXXX XX XXXXXXXX 001XXX11 23 001XXX11 23 001XXX11 XX XXXXXXX0 XX XXXXXXX0 XX XXXXXXX0 XX XXXXXXXX...
  • Page 62 01100100 64 01100100 64 01100100 00010000 10 00010000 10 00010000 AK45 Service Manual 17/12/2007...

  • Page 63: Screen Adjustment (Fbt Screen)

    14.5.SCREEN ADJUSTMENT (FBT SCREEN) SCREEN ADJUST From the option list change option 2 bit 6 from 0 to 1 for disabling vertical scan. Adjust horizontal line via screen adjust pot. as thin as possible. Then press 0 to leave service menu. AK45 Service Manual 17/12/2007...

  • Page 64: Geometry Adjustment

    14.6.GEOMETRY ADJUSTMENT 4:3 FORMATS 4:3 MODE 16:9 MODE AK45 Service Manual 17/12/2007...

  • Page 65: 16:9 Formats

    16:9 FORMATS AUTO MODE AK45 Service Manual 17/12/2007...
  • Page 66 REGULAR MODE AK45 Service Manual 17/12/2007...
  • Page 67 ZOOM 14:9 MODE AK45 Service Manual 17/12/2007...
  • Page 68 ZOOM 16:9 MODE AK45 Service Manual 17/12/2007...
  • Page 69 SUBTITLE ZOOM MODE AK45 Service Manual 17/12/2007...
  • Page 70 FULL MODE AK45 Service Manual 17/12/2007...
  • Page 71 PANOROMIC MODE AK45 Service Manual 17/12/2007...
  • Page 72 AK45 Service Manual 17/12/2007...

  • Page 73: Block Diagram

    16.BLOCK DIAGRAM GENERAL BLOCK DIAGRAM OF CHASSIS 11 AK 45 SC3_V_OUT RGB AMPLIFIER TDA 6107 CVBS (PHILIPS) SC1_V_OUT TDA9885T K3958M V id e o EPCOS TU200 Filter 38.9MHz-TV TUNER VDP313XY S ou nd K9656M EPCOS Filter Vertical Stage Y o k e Horizontal STV9379FA SC1_RGB...

  • Page 74: Circuit Diagrams

    17.CIRCUIT DIAGRAMS 11AK45B5-1 JVC AK45 Service Manual 17/12/2007...
  • Page 75 11AK45B5-2 JVC AK45 Service Manual 17/12/2007...
  • Page 76 11AK45B5-3 JVC AK45 Service Manual 17/12/2007...
  • Page 77 11AK45B5-4 JVC AK45 Service Manual 17/12/2007...
  • Page 78 11AK45B5-5 JVC AK45 Service Manual 17/12/2007...
  • Page 79 11TP45B-1 JVC AK45 Service Manual 17/12/2007...
  • Page 80 11SB107-4 JVC AK45 Service Manual 17/12/2007...
  • Page 81 11SW01-3 JVC AK45 Service Manual 17/12/2007...
  • Page 82 11LD13 JVC AK45 Service Manual 17/12/2007...

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