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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.
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
SERVICE MANUAL
MANUEL D'ENTRETIEN
WARTUNGSHANDBUCH
Colour Television
August 2003
No. 0112
C2844S
CL2843S
CP2843S
C32W460N
CG32W460N
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.
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Table of Contents
Related Manuals for Hitachi C2844S
Summary of Contents for Hitachi C2844S
- Page 1 No. 0112 C2844S CL2843S CP2843S C32W460N SERVICE MANUAL CG32W460N MANUEL D'ENTRETIEN WARTUNGSHANDBUCH CAUTION: Before servicing this chassis, it is important that the service technician read the “Safety Precautions” and “Product Safety Notices” in this service manual. Data contained within this Service manual is subject to alteration for improvement.
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Page 2: Table Of Contents
CONTENTS SAFETY PRECAUTIONS: ........................... 2 TV set switched off ............................2 Measurements ..............................2 PERI-TV SOCKET ............................... 2 SCART 1 2 SCART 2 2 1. INTRODUCTION ............................. 2 2. SMALL SIGNAL PART WITH STV2248 ......................3 2.1 Vision IF amplifier ........................... 3 2.2 QSS Sound circuit (QSS versions) ...................... -
Page 3: Safety Precautions
PERI-TV SOCKET 1. INTRODUCTION... -
Page 4: Small Signal Part With Stv2248
2. SMALL SIGNAL PART WITH STV2248:... -
Page 6: Tuner
3. TUNER PAA6DSÃ8C6II@GT 867G@Ã8C6II@GT %$1' AS@RV@I8` AS@RV@I8` 8C6II@GT 8C6II@GT S6IB@ÃHC“ S6IB@ÃHC“ G‚Ã7hqÃÃÃÃÃÃÃÃÃÃ@!Ç‚Ã8ÃÃÃÃÃÃÃÃÃÃÃ#'!$Ç‚Ã'!!$à ÃÃÃÃÃÃÃÃT Ç‚ÃT'ÃÃÃÃÃÃ%(!$Ç‚à $#!$ HvqÃ7hqÃÃÃÃÃÃÃÃÃ@$Ç‚Ã@ !ÃÃÃÃÃÃÃÃà &$!$Ç‚Ã!!#!$ÃÃÃÃÃÃÃÃÃT(Ç‚ÃT"'ÃÃÃÃà % !$Ç‚Ã#"(!$ CvtuÃ7hqÃÃÃÃÃÃÃ@! Ç‚Ã@%(ÃÃÃÃÃÃÃ#& !$Ç‚Ã'$$!$Ã!ÃÃÃÃT"(Ç‚ÃT# ÃÃÃÃÃ##&!$Ç‚Ã#%"!$ %$1' AS@RV@I8` 8C6II@GT S6IB@ÃHC“ G‚Ã7hqÃÃÃÃÃÃÃÃÃÃ!Ç‚Ã9ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ$$!$Ç‚à "(!$ HvqÃ7hqÃÃÃÃÃÃÃÃÃ@ÃÇ‚ÃQQÃÃÃÃÃÃÃÃÃÃà #$!$Ç‚Ã"( !$ CvtuÃ7hqÃÃÃÃÃÃRRRÇ‚Ã%(ÃÃÃÃÃÃÃÃ"(&!$Ç‚Ã' !$ PAA6DSÃ8C6II@GT 867G@Ã8C6II@GT %$1' AS@RV@I8` AS@RV@I8` 8C6II@GT 8C6II@GT S6IB@ÃHC“... -
Page 7: Video Output Amplifier Stv5112
7. VIDEO OUTPUT AMPLIFIER STV5112 8. POWER SUPPLY (SMPS) 9. POWER FACTOR CORRECTION 10. SERIAL ACCESS CMOS 8K EEPROM 24C08 11. CLASS AB STEREO HEADPHONE DRIVER TDA1308 12. CLASS AB MONO SUBWOOFER DRIVER TDA7261 13. SAW FILTERS IC DESCRIPTIONS AND INTERNAL BLOCK DIAGRAM... -
Page 8: X95; St92195
ST92195 STV224X Video processor:... -
Page 9: X95; Uv1315, Uv1316, Uv1336
UV1315, UV1316, UV1336... - Page 10 QDIÃ" QDIÃ# QDIÃ$ Ã$W ÃW ÃW GPX Ã76I9 ÃW Ã$W ÃW HD9Ã76I9 CDBCÃ76I9 Ã$W ÃW ÃW...
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Page 11: X95; Tda7269A
TDA7269A STV9306... -
Page 12: X95; Stv5112
STV5112 MC44608... -
Page 13: X95; Msp 34Xxg
MSP 34XXG 24CO8... -
Page 14: X95; Tda1308
TDA1308 TDA7261... -
Page 15: X95; Saw Filters
Saw filter’s list: 9,'(2 $8',2 B (&$H Q6GÃ7B F!(%%H QT7BÃ9F E (' Q6GÃDD F!(%%H QT7B9FFÃDD F!(%!HÃÃÃÃÃÃÃÃÃÃÃG(%$" QT7B9FFÃGG 9,'(2 $8',2 B"(%&HÃÃÃÃÃÃÃÃÃÃB("$"H Q6GÃ7B F"($'HÃÃÃÃÃÃÃÃÃÃÃF("$% Q6GÃDÃD F"($'HÃÃÃÃÃÃÃÃÃÃÃF("$% QTÃ7BÃ9FÃFÃDÃD F"($'HÃÃÃÃÃÃÃÃÃÃÃF(%$% QTÃ7BÃ9FÃFÃGÃG... -
Page 16: Circuit Descciription
CIRCUIT DESCIRIPTION POWER SUPPLY... - Page 18 also used in tuning mode to identify the presence of a signal whilst tuning. This is used in auto tuning mode to determine the optimum frequency setting for the channel. Tuner AGC voltage from pin 8 of IC403 is taken directly to the tuner.
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Page 21: Chassis Manual Adjustment Procedure
MANUAL ADJUSTMENT PROCEDURE REGISTER PARAMETER NOTE GEOM... - Page 22 REGISTER PARAMETER NOTE VZSZ DAÃDI9D86UPS 6B8ÃDI9D86UPS IPI@ ),*85(...
- Page 23 Vertical Size for 50 Hz (VSIZ and VZSZ) Vertical Position for 50 Hz(VPOS) Horizontal Size for 50 Hz (HSIZ) Horizontal Position for 50 Hz (HPOS) Horizontal Trap Correction for 50 Hz (HTCO) Vertical S Correction for 50 Hz (VSCO) Vertical C Correction for 50 Hz (VCCO) Horizontal Pincushion Correction for 50 Hz (HPCO) Horizontal Corner Correction for 50 Hz (HCCO) Vertical Size Offset for 60 Hz (VSOF)
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Page 24: Option Setting
PQ ñÃQr…vƒur…hyÃPƒ‡v‚ † IPU @ 7 DU& IPUÃVT@9 Ãqrshˆy‡Ã‰hyˆr 7 DU% Ã9v†ƒyh’ ó6W"´Ãh†Ã³A6W´ A6WÂ…Ã76WÃDIÆryrp‡v‚ƒ‡v‚ Ã9v†ƒyh’ ó6W"´Ãh†Ã³76W´ 7 DU$ ÃUˆ…ÃihpxÃUWÀ‚qrÃh s‡r…ÇurÃyh†‡Ã6WÃv‡uÃ6WÃxr’ ÃUˆ…ÃihpxÃsv…†‡Ã6WÀ‚qrÃhs‡r…ÇurÃyh †‡Ã6W 7 DU# ÃTWCTÃv†Ãh ‰hvyhiyrÃvÃ6WÃxr’Ƈ…rh€ ÃvsÃ6W!Ãv†Ã†ryrp‡rq ÃTWCTÃv†ÃIPUÃh ‰h vyhiyrÃvÃ6WÃxr’Ƈ…rh € 7 DU" ÃSB7Ãv†Ãh ‰h vyhiyrÃvÃ6WÃxr’Ƈ…rh€ ÃvsÃ6W Ãv†Ã†ryrp‡rq ÃSB7Ãv†ÃIPUÃh‰hvyhi yrÃvÃ6WÃxr’Ƈ…rh€ 7 DU! Ã6W"Ãv†Ãh‰hvyh iyrÃvÃ6WÃxr’Ƈ…rh €... - Page 25 PQ"ñÃWvqr‚ÃPƒ‡v‚† IPU@ 7DU& Y‡hyÃ8‚svtˆ…h‡v ‚ 7DU% à ÃY‡hyÃQ6GÃ##" Ã!ÃY‡hyÃQ6GIUT8Ã##""$' à ÃY‡hyÃQ6GT@8IUT8Ã##" Ã!ÃY‡hyÃQ6GT@8IUT8Ã##""$' 7DU$ Ã@hiyrÃ7yˆrÃihpxÃurÂÆvthyÃvÃ6WÀ‚qr Ãqrshˆy‡Ã‰hyˆr ÃiyhxÃihpxÃurÂÆvthyÃvÃ6WÀ‚qr 7DU# ÃXuv‡rÃD†r…‡v‚Ãv†ÃPI Ãqrshˆy‡Ã‰hyˆr ÃXuv‡rÃD†r…‡v‚Ãv†ÃPAA 7DU" Ã7yˆrÃ7hpxt…‚ˆqÃurÂÆvthyÃvÃUWÀ‚qr Ã9v†hiyrÃ7yˆrÃ7hpxt…‚ˆqÃvÃUWÀ‚qr 7DU! ÃTr€v‡…h†ƒh…r‡Ãihpxt…‚ˆqÃs‚…ÃPT9 Ãqrshˆy‡Ã‰hyˆr ÃT‚yvqÃHrˆÃihpxt…‚ˆqÃs‚…ÃPT9 7DU Ã7yhpxÃT‡…r‡puÃv†ÃPI Ãqrshˆy‡Ã‰hyˆr Ã7yhpxÃT‡…r‡puÃv†ÃPAA 7DU Ã6QSÃv †ÃPI Ãqrshˆy‡Ã‰hyˆr Ã6QSÃv †ÃPAA PQ#ñÃUWÃArh‡ˆ…r† IPU@ 7DU&...
- Page 26 U Y ñÃU ryr‡r‘‡ÃPƒ‡v‚† IPU @ 7 DU& Ã6VUP f6QTÃv†Ãh‰hvyh iyrÃhs‡r…Âr…f‚ Ã6VUP f6QTÃv†Ã‚‡Ãh‰hvyhiyr 7 DU% S@T@SW@9Àˆ†‡Ãirà Ãqrshˆy‡Ã‰h yˆr 7 DU$ $Ã#Ã"ÃUryr‡r‘‡ÃGhtˆhtrÃB…‚ˆƒ† 7 DU# ÃB…‚ˆƒÃ ñÃX r†‡ @tyv†uÃA…rpuÃTrqv†uÃ8“rpuÃBr…€hÃQ‚…‡ˆtˆr†rÃD‡hyvrÃSˆ€hvh 7 DU" ÃB…‚ˆƒÃ!ñÃX r†‡@h†‡ Q‚yv†uÃA…rpuÃTrqv†uÃ8“rpuÃBr…€hÃTr…ivhÃD‡hyvrÃSˆ€hvh ÃB…‚ˆƒÃ"ñÃX r†‡U ˆ…xv†u @tyv†uÃA…rpuÃTrqv†uÃU ˆ…x v†uÃBr…€hÃQ‚…‡ˆtˆr†rÃD‡hyvrÃSˆ€hvh ÃB…‚ˆƒÃ#ñÃ@h†‡8 ’…vyyvp @tyv†uÃ8’…vy yvpÃTrqv†uÃ8“rpuÃBr…€hÃTr…ivhÃGr‡‡v†uÃSˆ€hvh ÃB…‚ˆƒÃ$ñÃ6…hivp...
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Page 27: Tuner Setting
TUNER SETTINGS SERVICE MENU ITEMS VHF1-VHF3 VHF3-UHF TUNER Freq. (MHz) Freq. (MHz) Phillips UV1316S Mk3 156.25MHz 441.25MHz 00001100 00110010 00011110 00000010 00000001 00000010 Thomson CTT5020 114.25MHz 401.25MHz 00001001 10010010 00011011 10000010 00000011 00000110 Samsung TECC2949PG28B 170.25MHz 465.25MHz 00001101 00010010 00011111 10000010 00000001 00000010 Samsung TECC2949PG35B 170.25MHz 449.25MHz 00001101 00010010 00011110 10000010 00000001 00000010 Alps TEDE9X226A 142.25MHz 425.25MHz 00001011 01010010 00011101 00000010 00000001 00000010... -
Page 29: Titanium - Languages Groups
TITANIUM – Languages Group GROUP 1 - WEST GROUP 2 – WEST / EAST... -
Page 30: Features
)($785(6... -
Page 31: Block Diagram
BLOCK DIAGRAM SUB-AMP SUBW TDA7261 PLL/VST TUNER STEREO SOUND-MSP34X0D/G AUDIO AMP VIRTUAL DOLBY-MSP3411G UV1315/16 TDA7269A HP AMP TDA1308 MONO SERVICE CONNECTOR EEPROM VIDEO RGB AMP µCONTROLLER PROCESSOR TDA6108 ST92195 STV2248C KEYPAD SENSOR VER. DEFL. VER. AMP VIDEO +150 B+ STV9306 SWITCHING +14V CIRCUITS... -
Page 32: Smps Block Diagram
SMPS BLOCK DIAGRAM D803 +5V_s IC802 TR802 DEGAUSS COIL D806 IC804 D805 D891 IC803 PFC COIL +12V D810 R831 +14V_A R809 D811 -14V_A +33V D800 D808 DRAIN D809 B+-P R801 START UP D889 MC44608 MCR22_6 DMAG D804 Q802 Q801 I_SENSE STANDBY CONT_IN DRIVER... -
Page 33: Micro Controller Block Diagram
MICRO-CONTROLLER BLOCK DIAGRAM IC501 A2 Vss CVBS_TXT IC500 SVBS2 +5V_S CVBS1 PTC SCL SDA CVBS1 TU201 P0.5_SCK 38.9MHz TVTUN 5V_UPD P5.1_5DI500 FB__OSD HCTR AGC_OUT (R-G-B)_OSD H_SYNC HSYNC IF_2 IF_1 V_SYNC VSYNC BAND2 P3.4 SERVICE MUTE P4.4_PWM4 CONNECTOR BAND1 P3.5 IR_IN STANDBY BAND0 P3.6... -
Page 34: Video Block Diagram
VIDEO BLOCK DIAGRAM IC403 Z401 SIFIN1 IC301 IF 1 SIFIN2 AUDIOOUT A_OUT TDA7269A GNDD VCCD Z402 9 10 11 IF 1 PIFIN1 PL406 PIFIN2 IF 2 TUNER AGC_OUT AGC_OUT HOUT HOUT -14V_A VOUT VOUT MOUT_L MOUT_R +14V_A EXT_A0 AM FMOUT_SC BCL_SAF VCC1 PL301(R) -
Page 35: Stereo Block Diagram
STEREO BLOCK DIAGRAM A_OUT X700 ANA_IN1+ AHVSUP SC1_IN S2_IN SC3_IN SC1_OUT SC2_OUT XTAL AVSUP DACA DACM STBYQ DVSUP IC700 PL701 MSP3410D_DIP MUTE MOUT IC702 INB+ PL700 INA+ INB- INA- OUTB OUTA TDA1308... -
Page 36: Scart Block Diagram
JK102 SCART BLOCK DIAGRAM PL104 SC1_AI SC2_AI FR/BK_A_I_R SVHS V/FRONT SC2_AOR SC2_AOL A1/DSCRT A2/DSCRT A3/DSCRT CHRM A2_S SC2_AIL FR/BK_VIN EXT_AIN SC2_CVBSIN SC2_AIR SC2 CVBSIN FR/BK_V_IN A3/DSCRT A2DSCRT CHRM PL101 CVBS3 SC1_AIR SC1 CVBSIN E_CVB-0 SC1_AIL FR/BK_VIN AV1_S SC1_AOL R_EXT FR/BK VIDEO OUT FR/BK VIDEO IN EXT_AO F_CVBS-0... -
Page 37: Deflectioan Block Diagram
DEFLECTION BLOCK DIAGRAM IC601 +14V PL602 +26V +12V V_PROT TR601 VDEFL VOUT EW_OUT YOKE +26V +14V H_OUT VIDEO_B+ FOCUS H_SYNC EW_FEEDBACK COLLECTOR EHT INFO EW_OUT HOR DEFL VIDEO_B+ CIRCUIT HEATER 2 3 4 5 6 PL600 HDEFL YOKE... -
Page 38: Base Boadr Block Diagram
BASE-BOARD BLOCK DIAGRAM TDA6108 - RGB VIDEO AMPLIFIER IC900 VOC3 VOC2 VOC1 PL901 PL902 I_BL PL900 PL903 200V HEATER AQUA H_GND PL904 PL907 PL906 AQUA PL905 SCREEN... -
Page 39: Circuit Diagrams
No. 0112 SWITCH MODE POWER SUPPLY... -
Page 40: Micro Controller Circuit Diagram
No. 0112 MICRO CONTROLLER... -
Page 41: Video Circuit Diagram
No. 0112 VIDEO CIRCUIT... -
Page 42: Stereo Circuit Diagram
No. 0112 STEREO CIRCUIT... -
Page 43: Scart Circuit Diagram
No. 0112 SCART CIRCUIT... -
Page 44: Base Board Circuit Diagram
CRT BOARD BASE BOARD (HV DEFLECTION) No. 0112 BASE & CRT BOARDS... - Page 46 THE UPDATED PARTS LIST FOR THIS MODEL IS AVAILABLE ON ESTA...
- Page 47 Fax: +46 (0) 8 562 711 13 Tel: +39 02 38073415 Servizio Clienti Email: csgswe@hitachi-eu.com Fax: +39 02 48786381/2 Email: customerservice.italy@hitachi-eu.com HITACHI EUROPE S.A.S HITACHI EUROPE LTD (Norway) AB Lyon Office STRANDVEIEN 18 B.P. 45, 69671 BRON CEDEX 1366 Lysaker FRANCE...