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Sylvania SRT2227S, Руководство по обслуживанию

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Sylvania SRT2227S Скачать руководство пользователя страница 24

7

4

8

6

11

10

9

V-DRIVE

P-ON-L

V.RAMP NF

H-DRIVE

GREEN AMP

BLUE AMP

Q1512

Q1532

Q572

Q571

Q531

Q561

Q551,
Q552

VR562

VR561

PCC

WIDTH

T572

1

3

4

5

L6200BLCRT

FBP

ACL/ABL

CRT/H.V. Block Diagram

V-

DRIVE

H-

DRIVE

DY551  D.Y.

IC551  V-DEFLECTION CONTROL

ANODE

FOCUS

SCREEN

MAIN CBA

CRT CBA

WH301B

TO WH301A

R

G

B

HEATER

ANODE

GND

V1501
CRT

FOCUS

SCREEN

GND

JK1501

CN1501

WH501B

WH501A

VIDEO SIGNAL

CN571

6-5

6-6

H.OUTPUT

H.DRIVE

FROM POWER
SUPPLY BLOCK
DIAGRAM

+B

15kHz

TP302

GND

J1501

BLUE

J1502

X-RAY CHECK

TP591

TP592

Q1522

 DEF+B

AMP

7

1

6

3

PULSE
UP

THERMAL
PROTECTION

5

(SWITCHING)

WF7

WF8

WF11

WF12

WF9

WF10

WF3

WF15

WF4

WF14

WF5

WF13

RED AMP

PROTECT2

RED 3

GREEN 2

BLUE 1

FROM/TO IF/VIDEO
/SYSTEM CONTROL
BLOCK DIAGRAM

FROM/TO IF/VIDEO
/SYSTEM CONTROL
BLOCK DIAGRAM

FROM IF/VIDEO
/SYSTEM CONTROL
BLOCK DIAGRAM

HEATER

1

1

+180V

3

3

PROTECT1

H.
CONTROL

T571  F.B.T.

S

F

HV

11

8

3

4

10

7

1

5

FOCUS VR

SCREEN VR

Содержание SRT2227S

Страница 1: ...27 COLOR TELEVISION SRT2227S SERVICE MANUAL...

Страница 2: ...aluate and advice the service trade of all con ceivable ways in which service might be done or of the possible hazardous consequences of each way Consequently Funai has not undertaken any such broad e...

Страница 3: ...t limit specifications Description Condition Unit Nominal Limit 1 Intermediate Freq Picture Sound MHz MHz 45 75 41 25 2 Peak Picture Sens VHF CATV UHF dB v dB v dB v 15 15 15 30 30 40 3 AFT Pull In Ra...

Страница 4: ...gs tied together and touch the other ohmme ter lead in turn to each tuner antenna input ex posed terminal screw and if applicable to the coaxial connector If the measured resistance is less than 1 0 m...

Страница 5: ...he ground side of the AC power source To confirm that the AC power plug is inserted correctly with an AC volt meter measure between the chassis and a known earth ground If a voltage reading in excess...

Страница 6: ...eplaced wires do not contact sharp edged or pointed parts H When a power cord has been replaced check that 5 6 kg of force in any direction will not loosen it I Also check areas surrounding repaired l...

Страница 7: ...exposed accessible parts RF terminals antenna terminals video and audio input and output terminals microphone jacks earphone jacks etc is lower than or equal to the specified value in the table below...

Страница 8: ...is fixed with glue to the CBA when removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig S 1 6 4 Release the flat pack...

Страница 9: ...pins of the flat pack IC you can remove it easily Fig S 1 3 2 Affix the wire to a workbench or solid mounting point as shown in Fig S 1 5 3 While heating the pins using a fine tip soldering iron or ho...

Страница 10: ...ccur due to a potential difference caused by electro static charge during unpacking or repair work 1 Ground for Human Body Be sure to wear a grounding band 1M that is prop erly grounded to remove any...

Страница 11: ...ved unhooked un locked released unplugged unclamped or des oldered S Screw P Spring L Locking Tab CN Con nector Unhook Unlock Release Unplug or Desolder 2 S 2 two Screws S 2 5 Refer to the following R...

Страница 12: ...4 2 L6200DC Fig 1 S 1 S 4 S 2 1 Rear Cabinet S 1 S 1 S 1 Fig 2 S 1 S 1 S 1 S 1 S 1 S 4 S 2 S 1 1 Rear Cabinet 3 Main CBA Fig 3 Fig 4 4 CRT Anode Cap S 3 S 3 S 3 S 3...

Страница 13: ...CN801 CLN801 SP801 DG691 DEGAUSSING COIL MAIN CBA FLYBACK TRANSFORMER T571 AC601 AC CORD TU1 TUNER WH501B JK1501 WH301B FOCUS SCREEN WH501A WH301A TO CRT GROUND CN571 CN1501 CN802 CLN802 SP802 Fig 5...

Страница 14: ...umper Wire to the remote control CBA Fig 1 2 1 DC 120V Adjustment Purpose To obtain correct operation Symptom of Misadjustment The picture is dark and the unit does not operate correctly Note TP601 TP...

Страница 15: ...of COLOR CLR becomes 58 TINT TNT 1 Press MENU button on the Service remote con trol unit Then select TINT TNT display 2 Press CH o p buttons on the Service remote control unit so that the value of TIN...

Страница 16: ...7 Black Level Adjustment Purpose Set Black Level Symptom of Misadjustment If black level is incor rect Proper brightness can not be obtained by adjust ing the Brightness Control 1 Enter the Service m...

Страница 17: ...in power but ton on the TV unit 11 H Position Adjustment Purpose To obtain correct horizontal position of screen image Symptom of Misadjustment If H Position is incor rect horizontal position of image...

Страница 18: ...nit and select C D mode Display changes C D VCO 7F FRENCH ACCESS CODE STEREO VIDEO TONE FM MODE and AV OUT cyclically when VOL p button is pressed then press 1 The display will momentarily show CUT OF...

Страница 19: ...this time Re check that Horizontal line is white If not Re adjust Cut off Adjustment until the Horizontal Line becomes pure white 10 Turn off and on again to return to normal mode Re ceive APL 100 wh...

Страница 20: ...ect large areas of color may not be properly displayed 1 Set the unit facing east 2 Operate the unit for over 30 minutes before adjust ing 3 Fully degauss the unit using an external degauss ing coil 4...

Страница 21: ...tating RB G C P Magnet See Fig 8 3 Fix the C P Magnets by tightening the Ring Lock 4 Remove the DY Wedges and slightly tilt the De flection Yoke horizontally and vertically to obtain the best overall...

Страница 22: ...BLOCK DIAGRAM OSD BLK KEY IN2 8 5 6 CS 7 WF1 WF2 FROM TO CRT H V BLOCK DIAGRAM TU AUDIO TO AUDIO POWER CONTROL BLOCK DIAGRAM TO CRT H V BLOCK DIAGRAM BLUE 1 GREEN 2 RED 3 WF16 IF Video System Control...

Страница 23: ...A IN L FRONT TU AUDIO P ON H 8V SERIAL I F 13 14 POWER ON CONTROL 5 7V REGULATOR JK702 5V CTRL 5V CTRL2 8V CTRL TO POWER SUPPLY BLOCK DIAGRAM 8V Q441 X441 FROM TO IF VIDEO SYSTEM CONTROL BLOCK DIAGRAM...

Страница 24: ...K1501 CN1501 WH501B WH501A VIDEO SIGNAL CN571 6 5 6 6 H OUTPUT H DRIVE FROM POWER SUPPLY BLOCK DIAGRAM B 15kHz TP302 GND J1501 BLUE J1502 X RAY CHECK TP591 TP592 Q1522 DEF B AMP 7 1 6 3 PULSE UP THERM...

Страница 25: ...this unit If Main Fuse F601 is blown check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some co...

Страница 26: ...rawings for ordering The correct part number is shown in the parts list and may be slightly different or amended since these drawings were prepared 2 All resistance values are indicated in ohms K 103...

Страница 27: ...t and may be slightly different or amended since the drawings were prepared 2 To maintain original function and reliability of repaired units use only original replacement parts which are listed with...

Страница 28: ...F4 F5 G1 G2 G3 G4 G5 IF SIGNAL VIDEO SIGNAL AUDIO SIGNAL 7 3 L6200SCM1 Main 1 3 Schematic Diagram 7 4 7 5 MAIN 1 3 Ref No Position IC111 E 5 IC151 D 3 IC333 B 3 IC401 E 1 Q121 E 3 Q351 B 5 Q377 A 4 Q4...

Страница 29: ...1 K 2 Q531 H 4 Q551 J 5 Q552 J 4 Q561 K 4 Q571 K 4 Q572 J 4 Q601 L 2 Q602 L 2 Q662 K 2 Q671 I 2 Q675 J 1 Q676 I 1 Q681 H 2 Q682 H 1 Q683 H 1 Q696 K 1 TP302 K 4 TP591 J 4 TP592 K 4 TP601 K 4 CN571 I 5...

Страница 30: ...P2 P1 Q3 Q2 Q1 R3 R2 R1 AUDIO SIGNAL Main 3 3 Schematic Diagram L6200SCM3 MAIN 3 3 Ref No Position IC801 P 3 IC802 Q 3 Q825 P 1 Q831 R 2 Q832 R 2 Q833 Q 1 CN801 O 2 CN802 O 1 ICS TRANSISTORS CONNECTO...

Страница 31: ...WF13 Q1522 Base WF4 Q1522 Collector WF14 TP1501 GND TP1502 BLUE CRT CBA Ref No Position Q1512 C 2 Q1522 C 1 Q1532 A 2 TP1501 A 2 TP1502 A 2 CN1501 A 2 WH301B C 1 WH501B B 1 TEST POINTS TRANSISTORS CON...

Страница 32: ...ATION TRANSFORMER IS REQUIRED CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE ONLY WITH THE SAME TYPE FUSE ATTENTION POUR UNE PROTECTION CONTINUE LES RISQES D INCELE N UTILISER QUE DES FU...

Страница 33: ...ly Otherwise it may cause some components in the power supply circuit to fail BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER SUPPLY CIRCUIT AN ISOLATION TRANSFORMER MUST BE USED ALSO IN ORDER TO...

Страница 34: ...WF4 1DIV 2V 20 sec Q 1532 Base WF5 GND 1DIV 10V 20 sec Q 572 Collector WF7 GND 1DIV 5V 20 sec Q 571 Base WF8 1DIV 20V 20 sec Q1532 Collector WF13 1DIV 20V 20 sec Q 1512 Collector WF15 1DIV 0 2V 20 sec...

Страница 35: ...CN571 1 2 3 4 5 WH301B GND RED GREEN BLUE V1501 CRT ANODE L CH R CH 1 2 SP801 SPEAKER CN801 CLN802 1 2 SP802 SPEAKER CN802 9 1 L6200WI T571 FBT TU1 TUNER UNIT WH501A WH501B 8V GND RED GREEN BLUE 8V HE...

Страница 36: ...GND 19 N U Not Used 20 N U Not Used 21 GND GND 22 VCC 5V 23 FILT PLL Filter 24 HLF Filter for CCD 25 VHOLD VHOLD 26 CVIN Input for Video Signal 27 RESET RESET 28 FSC IN External Clock Input 29 P ON H...

Страница 37: ...6 B5 B5 L2 L2 L2 L4 L3 L2 L2 L2 A5 A4 B 8 B 7 B 6 L 1 L 1 L 1 Scotch Tape 880 CLN802 CLN801 V501 1 DY551 Details for DY551 and surrounding parts SHINWHA TAPE SGT 730 WHITE SHINWHA TAPE SGT 730 BLACK V...

Страница 38: ...X1 TAPE X4 X3 X2 S4 S5 PACKING TAPE FRONT S2 S2 S3 S3 S1 S6 Packing 11 3 L6200PEX...

Страница 39: ...3X10 BIND HEAD GBKP3100 SP801 SPEAKER S08N04 DSD0808XQ013 SP802 SPEAKER S08N04 DSD0808XQ013 PACKING S1 CARTON L6200UA 0EM407113 S2 STYROFOAM TOP ASSEMBLY L1200UA 0EM405907 S3 STYROFOAM BOTTOM ASSEMBLY...

Страница 40: ...CTROLYTIC CAP 1 F 50V M or CE1JMASTL1R0 ELECTROLYTIC CAP 1 F 50V M or CE1JMASDL1R0 ELECTROLYTIC CAP 1 F 50V M CE1JMASDL010 C304 CERAMIC CAP AX Y K 0 01 F 16V CDA1CKT0Y103 C308 CERAMIC CAP AX Y K 0 01...

Страница 41: ...E1EMZPDL102 ELECTROLYTIC CAP 1000 F 25V M CE1EMZADL102 C541 ELECTROLYTIC CAP 470 F 35V M VR or CE1GMZNTL471 ELECTROLYTIC CAP 470 F 35V M or CE1GMZADL471 Ref No Description Part No ELECTROLYTIC CAP 470...

Страница 42: ...50V J CA1J104MS029 C807 FILM CAP P 0 1 F 50V J or CMA1JJS00104 FILM CAP P 0 1 F 50V J CA1J104MS029 C808 ELECTROLYTIC CAP 10 F 50V M or CE1JMASTL100 ELECTROLYTIC CAP 10 F 50V M CE1JMASDL100 Ref No Des...

Страница 43: ...76TPA7 1SS176T D611 ZENER DIODE MTZJT 7720B QDTB00MTZJ20 Ref No Description Part No D615 SWITCHING DIODE 1N4148 T 77 QDTZ001N4148 D621 ZENER DIODE MTZJT 777 5B QDTB0MTZJ7R5 D622 SWITCHING DIODE 1SS133...

Страница 44: ...Ref No Description Part No Q351 TRANSISTOR 2SC2785 F or QQSF02SC2785 TRANSISTOR 2SC2785 H or QQSH02SC2785 TRANSISTOR 2SC2785 J or QQSJ02SC2785 TRANSISTOR KTC3199 GR or NQS10KTC3199 TRANSISTOR KTC3198...

Страница 45: ...F or QQSF02SC2785 TRANSISTOR 2SC2785 H or QQSH02SC2785 TRANSISTOR 2SC2785 J or QQSJ02SC2785 TRANSISTOR KTC3199 GR or NQS10KTC3199 Ref No Description Part No TRANSISTOR KTC3198 GR or NQS40KTC3198 TRANS...

Страница 46: ...0T R373 CARBON RES 1 4W J 68 or RCX4JATZ0680 CARBON RES 1 6W J 68 RCX6JATZ0680 Ref No Description Part No R374 CARBON RES 1 4W J 15k or RCX4JATZ0153 CARBON RES 1 6W J 15k RCX6JATZ0153 R377 CARBON RES...

Страница 47: ...FILM RES 2W J 1k RN02102DP004 R576 CARBON RES 1 4W J 2 2k or RCX4JATZ0222 CARBON RES 1 6W J 2 2k RCX6JATZ0222 Ref No Description Part No R577 CARBON RES 1 4W J 330 or RCX4JATZ0331 CARBON RES 1 6W J 3...

Страница 48: ...METAL OXIDE FILM RES 1W J 39 RN01390DP003 R686 CARBON RES 1 4W J 100 or RCX4JATZ0101 CARBON RES 1 6W J 100 RCX6JATZ0101 Ref No Description Part No R687 CARBON RES 1 4W J 10 or RCX4JATZ0100 CARBON RES...

Страница 49: ...PAGJ20CAG402 FUSE STC4A125V U CT PAGE20CW3402 FH601 FUSE HOLDER MSF 015 or XH01Z00LY001 Ref No Description Part No FUSE HOLDER FH V 03078 or XH01Z00DK001 HOLDER FUSE CNT41 0014 1790424 FH602 FUSE HOL...

Страница 50: ...ATZ0331 CARBON RES 1 6W J 330 RCX6JATZ0331 R1519 CARBON RES 1 4W J 100 or RCX4JATZ0101 CARBON RES 1 6W J 100 RCX6JATZ0101 R1520 FIXED METAL OXIDE FILM RES 3W J 10k or RN03103KE008 METAL RESISTOR 3W J...

Страница 51: ...Printed in Japan 2002 02 30 HO SRT2227S L6200UA...

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