Table of Contents
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In the interests of user-safety (Required by safety regulations in some countries ) the set should be restored to its
original condition and only parts identical to those specified should be used.
» ELECTRICAL SPECIFICATIONS ......................................................................................................... 1
» IMPORTANT SERVICE SAFETY PRECAUTION ................................................................................. 2
» LOCATION OF USER'S CONTROL ..................................................................................................... 4
» INSTALLATION AND SERVICE INSTRUCTIONS ................................................................................ 5
» SERVICE ADJUSTMENT ..................................................................................................................... 9
» CHASSIS LAYOUT ............................................................................................................................. 12
» BLOCK DIAGRAM .............................................................................................................................. 13
» DESCRIPTION OF SCHEMATIC DIAGRAMS & WAVEFORMS ........................................................ 14
» SCHEMATIC DIAGRAMS ................................................................................................................... 15
» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 23
» REPLACEMENT PARTS LIST ............................................................................................................ 27
» PACKING OF THE SET ...................................................................................................................... 35
POWER INPUT ..................................................... 120V AC, 60 Hz
POWER RATING .................................................................. 135W
PICTURE SIZE ....................................... 2,193.5 cm
CONVERGENCE ............................................................. Magnetic
SWEEP DEFLECTION .................................................... Magnetic
FOCUS ............................................... Hi-Bi-Potential Electrostatic
INTERMEDIATE FREQUENCIES
Picture IF Carrier Frequency ..................................... 45.75 MHz
Sound IF Carrier Frequency ...................................... 41.25 MHz
Color Sub-Carrier Frequency .................................... 42.17 MHz
AUDIO POWER
OUTPUT RATING .............. 5.0W + 5.0W (at 10% distortion and
SHARP CORPORATION
SERVICE MANUAL
MODELS
CONTENTS
ELECTRICAL SPECIFICATIONS
SPEAKER
SIZE ........................................................ 12 x 6 cm oval (2 pcs.)
2
(339sq inch)
VOICE COIL IMPEDANCE ............................... 8 ohm at 400 Hz
ANTENNA INPUT IMPEDANCE
VHF/UHF ..................................................... 75 ohm Unbalanced
TUNING RANGES
VHF-Channels ............................................................... 2 thru 13
UHF-Channels ............................................................ 14 thru 69
CATV Channels ........................................................... 1 thru 125
(Nominal)
Dual CH Operate)
Specifications are subject to change without
prior notice.
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
COLOR TELEVISION
Chassis No. GB-3U
27F543
(EIA, Channel Plan U.S.A.)
27F543
Page
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Summary of Contents for Sharp 27F543
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Page 1: Table Of Contents
27F543 SERVICE MANUAL COLOR TELEVISION Chassis No. GB-3U 27F543 MODELS In the interests of user-safety (Required by safety regulations in some countries ) the set should be restored to its original condition and only parts identical to those specified should be used. -
Page 2: Important Service Safety Precaution
27F543 IMPORTANT SERVICE SAFETY PRECAUTION Ë Service work should be performed only by qualified service technicians who are thoroughly familiar with all safety checks and the servicing guidelines which follow: X-RADIATION AND HIGH VOLTAGE LIMITS WARNING 1. Be sure all service personnel are aware of the 1. -
Page 3: Safety Notice
27F543 IMPORTANT SERVICE SAFETY PRECAUTION (Continued) • Connect the resistor connection to all exposed metal BEFORE RETURNING THE RECEIVER parts having a return to the chassis (antenna, metal (Fire & Shock Hazard) cabinet, screw heads, knobs and control shafts, escutcheon, etc.) and measure the AC voltage drop Before returning the receiver to the user, perform across the resistor. -
Page 4: Location Of User's Control
27F543 LOCATION OF USER'S CONTROL Front Panel POWER INSIDE DOOR Press → On. VIDEO/AUDIO Press again → Off. IN 2 TERMINALS REMOTE CONTROL SENSOR CHANNEL UP/DOWN MENU (') Selects next higher channel. Press → Accesses MAIN MENU. ( " ) Selects next lower channel. -
Page 5: Installation And Service Instructions
27F543 INSTALLATION AND SERVICE INSTRUCTIONS Note: (1) When performing any adjustments to resistor controls and transformers use non-metallic screwdrivers or TV alignment tools. (2) Before performing adjustments, the TV set must be on at least 15 minutes. CIRCUIT PROTECTION HIGH VOLTAGE CHECK High voltage is not adjustable but must be checked The receiver is protected by a 4.0A fuse (F701),... - Page 6 27F543 For adjustments of this model, the bus data is converted to various analog signals by the D/A converter circuit. Note: There are still a few analog adjustments in this series such as focus and master screen voltage. Follow the steps below whenever the service adjustment is required. See "Table-B" to determine, if serv- ice adjustments are required.
- Page 7 TINT-S 0-127 (00h-7Fh) 62 (3Eh) Component Input C-TRAP 0-1 (00h-01h) 0 (00h) AUTO FRESH 0-1 (00h-01h) 0 (00h) SHARP P F 0-1 (00h-01h) 1 (01h) CD MATRIX 0-3 (00h-03h) 2 (02h) B-Y ATT 0-1 (00h-01h) 0 (00h) R-Y ATT 0-1 (00h-01h)
- Page 8 27F543 DATA SERVICE NOTES FIXED VALUE ADJUSTMENT ITEM NUMBER (HEX) RANGE INITIAL VALUE EW CORNER BOTTOM 19-81 (13h-51h) 50 (32h) Offset toward D13. NOISE DET LEVEL 0-3 (00h-03h) 0 (00h) V CENTERING 0-63 (00-3Fh) 36 (24h) V-AGC 0-1 (00h-01h) 0 (00h) B.
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Page 9: Service Adjustment
27F543 Holding down both the VOL-up and CH-up buttons on the TV set at service mode for more than 2 seconds will automatically write the above initial values into IC2101. ADJUSTMENT PART REPLACED NOTES NECESSARY UNNECESSARY IC2001 Data is stored in IC2101. - Page 10 27F543 Sub-Tint Adjustment Note: Aging for 10 min before adjustment. After the adjustment of V-center and V-size, re- 1. Receive the half color bar signal. • RF INPUT (TU51) adjustment for this V-line. 2. Get into Y-Mute by R/C, or by setting the "V11" bus data to "01".
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Page 11: Mts Adjustment
27F543 Ë MTS ADJUSTMENT MTS Level Adjustment 1. Set the sound volume above 1. Monoral signal: 400Hz, 100% modulation 2. Confirm "EX4" data is "5Ah". 3. Vary the "M01" bus data until the voltage to pin (39) of IC3001 to become the value as stated below. -
Page 12: Chassis Layout
27F541 CHASSIS LAYOUT... -
Page 13: Block Diagram
27F543 BLOCK DIAGRAM... -
Page 14: Description Of Schematic Diagram
27F543 DESCRIPTION OF SCHEMATIC DIAGRAM WAVEFORM MEASUREMENT CONDITIONS: NOTES: 1. Photographs taken on a standard gated color bar 1. The unit of resistance "ohm" is omitted. Ω Ω Ω signal, the tint setting adjusted for proper color. The (K=k =1000... -
Page 15: Schematic Diagrams
27F543 SCHEMATIC DIAGRAM: CRT Unit... - Page 16 27F543 SCHEMATIC DIAGRAM: MAIN-1 Unit...
- Page 17 27F543...
- Page 18 27F543 SCHEMATIC DIAGRAM: MAIN-1 Unit SCHEMATIC DIAGRAM: MAIN-1 Unit...
- Page 19 27F543...
- Page 20 27F543...
- Page 21 27F543...
- Page 22 27F543 PWB-A: MAIN Unit (Components Side)
- Page 23 27F543 PWB-A: MAIN Unit (Chip Parts Side)
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Page 24: Printed Wiring Board Assemblies
27F543 PRINTED WIRING BOARD ASSEMBLIES PWB-B: CRT Unit (Wiring Side) PWB-D: 2-LINE Y/C Unit (Wiring Side) PWB-D: 2-LINE Y/C Unit (Chip Parts Side) -
Page 25: Parts List
PQ050RDA1SZ IC2001 RH-IXA418WJZZQ TMP88CS38BFG in USA: Contact your nearest SHARP Parts Distributor to order. IC2040 VHIKIA7045A-1+ KIA7045AP For location of SHARP Parts Distributor, Please call Toll- Free; 1-800-BE-SHARP IC2101 VHIBR24L16F-1Y BR24L16F IC3001 VHICXA2194Q-1Y CXA2194Q « MARK: SPARE PARTS-DELIVERY SECTION TRANSISTORS... - Page 26 27F543 « « Ref. No. Part No. Description Code Ref. No. Part No. Description Code L204 VP-XF100K0000Y Peaking, 10mH PWB-A: DUNTKC290WEA4 L231 VP-XF680K0000Y Peaking, 68mH L301 VP-XF8R2K0000Y Peaking, 8.2mH MAIN UNIT L401 VP-XF100K0000Y Peaking, 10mH L671 RCILZ1005CEZZ LZ1005CE DIODES L672...
- Page 27 27F543 « « Ref. No. Part No. Description Code Ref. No. Part No. Description Code C723 RC-EZ0724CEZZ 160V PWB-A: DUNTKC290WEA4 C725 RC-EZA064WJZZ 160V C726 RC-KZ0226CEZZ+ 560p Ceramic MAIN UNIT C727 RC-KZ0226CEZZ+ 560p Ceramic C729 VCEA0A1HW106M+ X CAPACITORS C730 VCEA4A1VN108M+ 1000 [EL.···...
- Page 28 27F543 Ref. No. Part No. « Description Code Ref. No. Part No. « Description Code RJ11 VRS-CY1JF000JY 1/16W M-Ox. PWB-A: DUNTKC290WEA4 RJ12 VRS-CY1JF000JY 1/16W M-Ox. RJ13 VRS-CY1JF000JY 1/16W M-Ox. MAIN UNIT RJ14 VRS-CY1JF000JY 1/16W M-Ox. RJ15 VRS-CY1JF000JY 1/16W M-Ox. CAPACITORS...
- Page 29 27F543 Ref. No. Part No. « Description Code « Ref. No. Part No. Description Code R614 VRS-CY1JF562JY 5.6k 1/16W M-Ox. PWB-A: DUNTKC290WEA4 R615 VRS-KA3NG3R3K 7.0W M-Ox. R618 VRS-CY1JF101JY 1/16W M-Ox. MAIN UNIT R621 VRN-RL3DB1R5J+ M-Film R623 VRN-RL3AB4R7J+ M-Film RESISTORS R624 VRS-RG3DB332J+ 3.3k...
- Page 30 27F543 Ref. No. Part No. « Description Code Ref. No. Part No. « Description Code R963 VRD-RA2BE101JY 1/8W Carbon PWB-A: DUNTKC290WEA4 R964 VRS-CY1JF101JY 1/16W M-Ox. R967 VRS-CY1JF682JY 6.8k 1/16W M-Ox. MAIN UNIT R968 VRS-CY1JF102JY 1/16W M-Ox. R969 VRS-CY1JF472FY 4.7k 1/16W M-Ox.
- Page 31 27F543 Ref. No. Part No. « Description Code Ref. No. Part No. « Description Code PWB-A: DUNTKC290WEA4 PWB-A: DUNTKA527WEW7 MAIN UNIT CRT Unit INTEGRATED CIRCUIT RESISTORS [M-Ox.··· Metal Oxide, M-Film ··· Metal Film] IC850 VHITDA6103Q-1 TDA6103Q/N3 R2503 VRS-CY1JF103JY 1/16W M-Ox.
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Page 32: Miscellaneous Parts
27F543 Ref. No. Part No. « Description Code « Ref. No. Part No. Description Code C1411 VCKYCY1HB103KY 0.01 Ceramic PWB-A: DUNTKA527WEW7 C1412 VCKYCY1HB103KY 0.01 Ceramic CRT Unit C1413 VCKYCY1HB103KY 0.01 Ceramic C1414 VCE9GA1HW105M+ C1415 VCCCCY1HH120JY Ceramic RESISTORS C1416 VCCCCY1HH3R0CY X Ceramic [M-Ox.···... -
Page 33: Supplied Accessories
27F543 Ref. No. Part No. « Description Code Ref. No. Part No. « Description Code SUPPLIED ACCESSORIES CABINET PARTS RRMCGA035WJSB Infrared R-C Unit TINS-B225WJZZ OPERATION MANUAL — CCABAA585WEH3 Front Cabinet Ass’y — TCAUHA013WJZZ CAUTION CARD TGAN-A216WJN1 WARRANTY CARD Not Available Front Cabinet —... -
Page 34: Packing Of The Set
27F543 PACKING OF THE SET Polyethylene Bag Operation Manual Infrared R/C Unit Batteries Polyethylene Sheet Buffer Material FRONT Packing Case Use tape to fix the top side of packing case. REAR Use 12 staples to fix the bottom side of packing case. - Page 35 QRC0019-U March. 2004 Modify : SEMEX Design and Production Information SHARP ELECTRONICA MEXICO S. A. DE C. V. Design : SEM Quality & Reliability Control Center Production : SEMEX Blvd. SHARP No. 3510 Parque Industrial Rosarito...