Download
Share
Print this page
  1. Manuals
  2. Brands
  3. Hitachi Manuals
  4. TV
  5. CP2025T
  6. Service manual

Hitachi CP2025T Service Manual

Hide thumbs

Advertisement

Quick Links

Download this manual
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
August 2000
No. 0106
CP2025T
C2125T/S
CL2125T/S
CP2125T/S
C2142N/S
CL2142AN/S
CP2142AN/S
C2842N/S
CL2842AN/S
CP2842AN/S
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.

Advertisement

loading

Related Manuals for Hitachi CP2025T

Summary of Contents for Hitachi CP2025T

  • Page 1 No. 0106 CP2025T C2125T/S CL2125T/S CP2125T/S C2142N/S SERVICE MANUAL CL2142AN/S CP2142AN/S MANUEL D’ENTRETIEN C2842N/S WARTUNGSHANDBUCH CL2842AN/S CP2842AN/S CAUTION: Data contained within this Before servicing this chassis, it is important that the service technician Service manual is subject to read the “Safety Precautions” and “Product Safety Notices” in this alteration for improvement.
  • Page 2 Contents Contents..............................2 Safety Precautions..........................3 TV Set switched off..........................3 Measurement............................3 PERI-TV SOCKET........................... .3 SCART 1..............................3 SCART 2..............................3 INTRODUCTION............................3 SMALL SIGNAL PART WITH TDA884X....................3-4 TUNER..............................5 VIDEO SWITCH TEA6415C........................5 AM DEMODULATOR TDA9830.......................6 DIGITAL TV SOUND PROCESSOR TDA9875..................6 SOUND OUTPUT STAGE TDA2615/TDA2616Q..................6 VERTICAL OUTPUT STAGE WITH TDA8351/TDA8356................7 VIDEO OUTPUT AMPLIFIER TDA6107Q....................
  • Page 3 DO NOT CHANGE ANY MODULE UNLESS THE SET IS SWITCHED OFF This...
  • Page 4 possible when the display section of the receiver is used as a monitor. The ident output is supplied to the tuning system via the I²C-bus. The video ident circuit can be made less sensitive by means of the STM bit. This mode can be used during search tuning to avoid that the tuning system will stop at very weak input signals.
  • Page 5 When the TV receiver is switched-on, the RGB output signals are blanked and the black current loop will try to set the right picture tube bias levels.Via the AST bit a choice can be made between automatic start-up or a start-up via the m-processor. 3.
  • Page 6 AM-demodulator compared to an internal reference voltage.The maximum charge/discharge current is approximately 5mA. 400KHz 700KHz...
  • Page 7 90° 110° TDA9818 is 62.5KHz steps)
  • Page 8 The memory is compatible with the I²C standard, two wire serial interface which uses a bi-directional data bus and serial clock. I²C I²C-bus control of various functions...
  • Page 10 I²C...
  • Page 11 I²C...
  • Page 13 90° 110°...
  • Page 14 outputs delay compensated CVBS signal and CVBS output pin (pin 15) outputs delay compensated CVBS signal.
  • Page 17 I²C...
  • Page 20 I²C I²C 26. Serial data input/output : High level input voltage : Min : 3VDC, Max : Vcc : Low level input voltage : Min : -0.3VDC, Max : 1.5VDC : Low level output voltage : Max : 0.4VDC High level input voltage: Min : 3VDC, Max : Vcc ow level input voltage : Min : -0.3VDC, Max : 1.5VDC : Low level output voltage : Max : 0.4VDC...
  • Page 21 MANUAL ADJUSTMENTS PROCEDURE 110° 110°...
  • Page 22 110° 110° 110° 110° 110° 110°...
  • Page 23 110° 110° Select OPTION using $ or ' button and press & or % button to enter it. To select different option bytes, use $ or ' button. Using & or % button select the bit you want to set and then set it pressing 0 or 1 button.
  • Page 24 SPEAKERS AUDIO TDA9870/5 8R 6/12W PLL TUNER OUTPUTS DIGITAL SOUND PROCESSOR TDA2615/6 UV1315/6 TDA2614(MONO) 8R 6/12W CTI & SERVICE COMB FILTER CONNECTOR RGB AMP. TV-TEXT CONTROLLER VIDEO PROCESSOR TDA6107 SDA 52XX TDA 884X KEYPAD FRONTAV SCART1 SCART2 SVHS VIDEO SWITCH 115/150VDC TEA6415 +12VDCAud.
  • Page 25 Index Table INDEX TABLE......................................25 0....................................... 27 PTION 1......................................27 PTION 2....................................... 27 PTION 3....................................... 28 PTION 4........................................ 28 PTION 5. CTI A ................................28 PTION VAILABLE 6........................................ 29 PTION 7. C , PLL_VST, PIP Z , PIP P ................
  • Page 26 SPEAKER SETUP ............................... 48-49 PTION AUDIO OPTIONS............................... 49 PTION MSP OPTION ................................49-50 PTION MSP OPTION ................................50 PTION MSP OPTION ................................50 PTION ACTIVE LANGUAGE..............................50 PTION FINISHED OPTION TABLE................................... 57 DUAL LIMIT................................58 PTION STEREO LIMIT ................................58 PTION AUTO SWITCH THRESHOLD..........................
  • Page 27 Option 0. note1 note1 note 1: Xa,Xb Pal M, Pal N, Ntsc M Pin 34 : 3.58 (1, 2 or 3 crystals) Pin 35 : No crystal Pal BG, Pal DK, Pal I/I+, Secam BG, Secam DK, Secam L/L’, Secam K1 Pin 34 : No crystal Pin 35 : 4.43 (1 crystal) Pal BG, Pal DK, Pal I/I+, Secam BG, Secam DK, Secam L/L’, Secam K1, Pal M, Pal N, Ntsc M...
  • Page 28 Option 3. note 1 note 2 note 1: Pal+ helper output blanking disabled Pal+ helper output blanking enabled note 2: Comb filter disabled Comb filter enabled Option 4. Option 5. CTI Available note 1 note 1: CTI disabled CTI available...
  • Page 29 Option 6. note 1 note 2 note 1: If only PAL Else note 2: APS diasbled >> Preset APS enabled >> APS Option 7. Country Value, PLL_VST, PIP Zoom Mode, PIP Position note 1 note 1 note 1 note 1 note 2 note 3 note 4...
  • Page 30 note 2: VST Tuner PLL Tuner note 3: 16 : 9 note 4: PP1, PP0 LEFT-TOP LEFT BOTTOM RIGHT-BOTTOM RIGHT-TOP Option 8. Tube Size, Default Zoom mode, IF Frequency note 1 Z.Def note 2 note 3 note 4 note 5 note 6 note 7 note 8...
  • Page 31 note 5: IF M,N 45.75 MHz S&N American Models , Tuner UV1336 (Only Pal M/N, Ntsc M) IF M,N 38.9 MHz Euro M,N Models , Standard Tuner Note 6: Aps ( Only for PLL ) A.P.S. done A.P.S. set note 7: No headphone Headphone available note 8:...
  • Page 32 Option 10. Scart , Combfilter, Teletext Language TXL2 note 1 TXL1 note 1 TXL0 note 1 note 2 note 3 note 4 note 5 note 6 note 1: TXL2,TXL1,TXL0: WEST {ENGLISH}, {FRENCH}, {SCAND }, {CZECH }, {GERMAN}, {SPANISH}, {ITALIAN}, {ENGLISH } WEST-EAST {POLISH }, {FRENCH}, {SCAND }, {CZECH }, {GERMAN}, {SERBIAN}, {ITALIAN}, {RUMANIAN} WEST-TR...
  • Page 33 Option 11. Pll tuner control 1 byte note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 : Pll tuner control 1 byte b7 b6 b5 b4 b3 b2 b1 b0 Philips UV1316MK2 1 0 0 0 1 1 1 0 Alps...
  • Page 34 Option 13. Pll tuner control 2 mid byte note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 : Pll tuner control 2 mid byte b7 b6 b5 b4 b3 b2 b1 b0 Philips UV1316MK2 1 0 0 1 0 0 1 0...
  • Page 35 Option 15. Pll tuner VHF LOW - VHF HIGH crossover low byte note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 : Pll tuner VHF LOW - VHF HIGH crossover low byte b7 b6 b5 b4 b3 b2 b1 b0 Philips UV1316MK2...
  • Page 36 Option 17. Pll tuner VHF HIGH - UHF crossover low byte note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 : 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...
  • Page 37 Option 19. PIP Pll tuner control 1 byte note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 : Pll tuner control 1 byte b7 b6 b5 b4 b3 b2 b1 b0 Philips UV1316MK2 1 0 0 0 1 1 1 0...
  • Page 38 Option 21. PIP Pll tuner control 2 mid byte note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 : Pll tuner control 2 mid byte b7 b6 b5 b4 b3 b2 b1 b0 Philips UV1316MK2 1 0 0 1 0 0 1 0...
  • Page 39 Option 23. PIP Pll tuner VHF LOW - VHF HIGH crossover low byte note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 : Pll tuner VHF LOW - VHF HIGH crossover low byte b7 b6 b5 b4 b3 b2 b1 b0 Philips UV1316MK2...
  • Page 40 Option 25. PIP Pll tuner VHF HIGH - UHF crossover low byte note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 : Pll tuner VHF HIGH - UHF crossover low byte b7 b6 b5 b4 b3 b2 b1 b0 Philips UV1316MK2...
  • Page 41 Option 27. LANGUAGE AVAILABLE 1 DANISH SWEDISH ITALIAN PORTUGUESE SPANISH FRENCH GERMAN ENGLISH 1: Language available 0: Language not available Option 28. LANGUAGE AVAILABLE 2 RUSSIA, BULGARIAN, RUMANIAN, CROATIC, POLISH CZECH HUNGARY TURKEY 1: Language available 0: Language not available Option 29.
  • Page 42 Option 31. MENU COLOR SELECTION HEADER FOREGROUND TRANSPARENT note 1 note 1 note 1 note 1 note 1 note 1 note 1 : b7 b6 b5 b4 b3 b2 b1 b0 default 0 0 0 0 0 1 1 1 white Option 32.
  • Page 43 Option 35. MENU COLOR SELECTION CURSOR FOREGROUND TRANSPARENT note 1 note 1 note 1 note 1 note 1 note 1 note 1 : b7 b6 b5 b4 b3 b2 b1 b0 default 0 0 0 0 0 1 1 1 white Option 36.
  • Page 44 T1, T0: No TV Text Simple TV Text ( One page ) Fasttext/Toptext TV Text ( Eight pages) note 2 : Child Lock On (Active) note 3 : Standard available Standard not available Standard available note 4 : Equalizer available Equalizer not available Equalizer available note 5 :...
  • Page 45 note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 : b7 b6 b5 b4 b3 b2 b1 b0 EQUALIZER BAND 2 0 0 0 0 0 1 1 0 Option 41. PERSONAL PREFERANS EQUALIZER BAND 3 note 1 note 1 note 1...
  • Page 46 b7 b6 b5 b4 b3 b2 b1 b0 EQUALIZER BAND 5 0 0 0 0 0 1 1 0 Option 44. SOUND EFFECT (STANDARD, MUSIC, SPEECH, JAZZ,PP) note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 : Option 45.
  • Page 47 note 1 note 1 note 1 note 1 note 1 note 1 note 1 : Option 49. SURROUND DELAY note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 : Option 50. FM PRESCALE note 1 note 1 note 1...
  • Page 48 note 1 note 1 note 1 note 1 note 1 note 1 : b7 b6 b5 b4 b3 b2 b1 b0 SCART PRESCALE 0 0 0 0 1 1 0 0 (AVL On) Option 53. I2S PRESCALE note 1 note 1 note 1 note 1 note 1...
  • Page 49 SPEAKER SETUP (L/R, L/C/R, L/R/S, L/C/R/S) 0 0 0 0 0 0 0 0 (AVL On) Option 56. AUDIO OPTIONS note 1 note 2 note 3 note 4 note 5 note 1 : TruSurround TruSurround not available TruSurround available note 2 : TruBass TruBass not available TruBass available...
  • Page 50 note 1 : RESERVED FOR MSP Option 58. MSP OPTION note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 : RESERVED FOR MSP Option 59. MSP OPTION note 1 note 1 note 1 note 1 note 1...
  • Page 51 00001101 325 msec 00001110 350 msec 00001111 375 msec 00010000 400 msec 00010001 425 msec 00010010 450 msec 00010011 475 msec 00010100 500 msec 00010101 525 msec 00010110 550 msec 00010111 575 msec 00011000 600 msec 00011001 625 msec 00011010 650 msec 00011011 675 msec...
  • Page 52 01001001 1825 msec 01001010 1850 msec 01001011 1875 msec 01001100 1900 msec 01001101 1925 msec 01001110 1950 msec 01001111 1975 msec 01010000 2000 msec 01010001 2025 msec 01010010 2050 msec 01010011 2075 msec 01010100 2100 msec 01010101 2125 msec 01010110 2150 msec 01010111 2175 msec...
  • Page 53 10000101 3325 msec 10000110 3350 msec 10000111 3375 msec 10001000 3400 msec 10001001 3425 msec 10001010 3450 msec 10001011 3475 msec 10001100 3500 msec 10001101 3525 msec 10001110 3550 msec 10001111 3575 msec 10010000 3600 msec 10010001 3625 msec 10010010 3650 msec 10010011 3675 msec...
  • Page 54 11000001 4825 msec 11000010 4850 msec 11000011 4875 msec 11000100 4900 msec 11000101 4925 msec 11000110 4950 msec 11000111 4975 msec 11001000 5000 msec 11001001 5025 msec 11001010 5050 msec 11001011 5075 msec 11001100 5100 msec 11001101 5125 msec 11001110 5150 msec 11001111 5175 msec...
  • Page 55 11111101 6325 msec 11111110 6350 msec 11111111 6375 msec...
  • Page 57 76543210 Bit Positions 76543210 00000000 00100000 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 58 Option 61. DUAL LIMIT note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 : Dual Identification Limit related to reading DFP Register 0018h –Stereo Detection Register of MSP 34xxD in German dual transmissions. b7 b6 b5 b4 b3 b2 b1 b0 DUAL LIMIT 0 0 0 1 0 0 1 0...
  • Page 59 Option 63. AUTO SWITCH THRESHOLD note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 note 1 : Auto FM_AM : FP Register 21h Automatic switching with external threshold B2, B1, B0 : Bit10, Bit9,Bit8 of the register B7, B6, B5, B4,B3 : Bit7,Bit6, Bit5, Bit4, Bit3 of the register (Bit2,Bit1 of the register is always 0 and Bit0 of the register is always 1.) b7 b6 b5 b4 b3 b2 b1 b0...
  • Page 60 ADJUST 00-65 ADJUST 00 White Point RED ADJUST 01 White Point GREEN ADJUST 02 White Point BLUE ADJUST 03 ADJUST 04 IF-PLL Negative ADJUST 05 IF-PLL Positive ADJUST 06 Y-Delay PAL ADJUST 07 Y-Delay SECAM ADJUST 08 Y-Delay NTSC ADJUST 09 Y-Delay OTHER ADJUST 10 4:3 Vertical Zoom...
  • Page 61 ADJUST 51 Super Zoom EW Parabola Width ADJUST 52 Super Zoom EW Corner Parabola ADJUST 53 Super Zoom EW Trapezium ADJUST 54 Cinema Vertical Zoom ADJUST 55 Cinema Vertical Scroll ADJUST 56 Cinema Horizontal Shift ADJUST 57 Cinema Vertical Slope ADJUST 58 Cinema Vertical Amplitude ADJUST 59...
  • Page 62 Part No. Description VS30000332 CAP SMD 4.7NF 50V K (0805) VS30000332 CAP SMD 4.7NF 50V K (0805) C029 VS30000294 CAP SMD 100NF 50V K (0805) C030 VS30000294 CAP SMD 100NF 50V K (0805) C031 VS30000294 CAP SMD 100NF 50V K (0805) C032 VS30000294 CAP SMD 100NF 50V K (0805)
  • Page 63 Part No. Description C433 VS30000284 CAP SMD 1NF 50V K R (0805) C434 VS30000284 CAP SMD 1NF 50V K R (0805) C435 VS30000074 CAP MKT 100NF 63V J C436 VS30000074 CAP MKT 100NF 63V J C437 VS30000362 CAP EL 1UF 50V M C438 VS30000312 CAP SMD 22NF 50V K (0805)
  • Page 64 Part No. Description C612 VS30000356 CAP EL 100UF 63V M C617 VS30000156 CAP MKP 430NF 250V J C618 VS30000394 CAP EL 3.3UF 160V M C632 VS30000360 CAP EL 1000UF 25V M C660 VS30009208 CAP CER 470PF 1KV K (PULSE) C661 VS30009208 CAP CER 470PF 1KV K (PULSE) C700...
  • Page 65 F801 VS35000136 FUSE HOLDER TK79-A (GRAY) IC100 VS30001524 IC TDA2614 IC401 VS30001575 IC TDA8842/N2 IC501 VS30015255 IC SDA5555 HITACHI IC502 VS20063994 IC 24C08 WP 3.3V Program. UK (C2142N,C2842N/S) IC502 VS20058672 IC 24C08 WP 3.3V Program. UK (C2125S/T) IC502 VS20058678 IC 24C08 J19¥251100200A10...
  • Page 66 VS30001830 CONN MALE 2P TOP BLUE PL892 VS30007118 PIN F 2P/7.5MM PL893 VS30007118 PIN F 2P/7.5MM PL900 VS30015752 SOCKET CRT NARROWNECK W/GND HITACHI PL901 VS30001783 CONN.MALE 5P (2005) PL902 VS30015629 CONN.MALE 5P (2005) BLACK PL903 VS35000135 TEST PIN 1.1MM PL903...
  • Page 67 Part No. Description Q415 VS30001454 TR BC548B Q420 VS30001454 TR BC548B Q500 VS30001454 TR BC548B Q501 VS30001423 TR BF240 Q502 VS30001455 TR BC558B Q503 VS30001455 TR BC558B Q504 VS30001455 TR BC558B Q505 VS30001454 TR BC548B Q506 VS30001454 TR BC548B Q508 VS30001455 TR BC558B Q510...
  • Page 68 Part No. Description R202 VS30000459 RES CF 1/4W 100R J R203 VS30000471 RES CF 1/4W 10K J R204 VS30000459 RES CF 1/4W 100R J R205 VS30000459 RES CF 1/4W 100R J R212 VS30000727 RES SMD 1/10W 47K J (0805) R400 VS30000717 RES SMD 1/10W 470R J (0805) R401...
  • Page 69 Part No. Description R512 VS30000727 RES SMD 1/10W 47K J (0805) R513 VS30000727 RES SMD 1/10W 47K J (0805) R514 VS30000727 RES SMD 1/10W 47K J (0805) R515 VS30000727 RES SMD 1/10W 47K J (0805) R516 VS30000464 RES SMD 1/10W 100R J R517 VS30000464 RES SMD 1/10W 100R J...
  • Page 70 Part No. Description R585 VS30000480 RES SMD 1/10W 100K J (0805) R586 VS30000480 RES SMD 1/10W 100K J (0805) R587 VS30000712 RES CF 1/4W 470R J R589 VS30000529 RES SMD 1/10W 1.5K J R590 VS30000721 RES SMD 1/10W 4.7K J R592 VS30000475 RES SMD 1/10W 10K J 0805...
  • Page 71 Part No. Description R835 VS30000580 RES CF 1/4W 22R J R836 VS30000706 RES CF 1/4W 47R J R844 VS30000471 RES CF 1/4W 10K J R845 VS30001257 RES MG 1/2W 4.7M J R849 VS30000534 RES SMD 1/10W 15K J (0805) R850 VS30000569 RES CF 1/4W 180K J R858...
  • Page 72 Model Variant Assembly Parts C2125S/CL2125S/CP2125S BACK CVR.XX6-7-8-9/6-25/26 SILVER (P) VS20053756 BUTTON ASSY.XX66/86 (SILVER/P) VS20056985 BUTTON FUNCTION XX66/86 SILVER (P) VS20056986 BUTTON ON/OFF XX66/86 (SILVER) (P) VS20056988 FRONT 5586-AV W/H&J SILVER (P) VS20092618 C2142S/CL2142S/CP2142S BACK CVR.5X70/71-2172 SILVER (P) VS20039118 BUTTON ASSY 2172H (4T) (SILVER/P) VS20093733 BUTTON FUNCTION 2172H (SILVER/P) VS20093730...
  • Page 75 Hitachi, Ltd. Tokyo, Japan International Sales Division THE HITACHI ATAGO BUILDING, No. 15 –12 Nishi Shinbashi, 2 – Chome, Minato – Ku, Tokyo 105-8430, Japan. Tel: 03 35022111 HITACHI EUROPE LTD. HITACHI EUROPE S.A. Dukes Meadow 364, Kifissias Ave. & 1, Delfon Str.

This manual is also suitable for:

C2125t/sCp2125t/sC2142n/sCl2142an/sCp2142an/sC2842n/s ... Show all