Sharp 27F630 Service Manual
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- Sharp 27F630 | Service Manual - Page 1
27F630 27F631 SERVICE MANUAL S13W527F630// COLOR TELEVISION Chassis No. GB-3U 27F630 MODELS SERVICE SAFETY PRECAUTION 2 » LOCATION OF USER'S CONTROL ...4 » INSTALLATION AND SERVICE INSTRUCTIONS 5 » SERVICE SHARP CORPORATION This document has been published to be used for after sales service - Sharp 27F630 | Service Manual - Page 2
service personnel are aware of the procedures and instructions covering X-radiation. The only potential source of X-ray in current solid state TV an X-radiation problem. Every time a color chassis is serviced, the brightness high voltage circuitry. 6. When trouble shooting and taking test measurements - Sharp 27F630 | Service Manual - Page 3
27F630 27F631 IMPORTANT SERVICE SAFETY PRECAUTION (Continued) BEFORE RETURNING THE RECEIVER (Fire & Shock factory recommended necessarily increased by using replacement components replacement parts shown in this service manual, may rated for higher voltage, wattage, etc. create shock, fire - Sharp 27F630 | Service Manual - Page 4
higher channel. (") Selects next lower channel. POWER Press → On. Press again → Off. REMOTE KEYPAD Accesses any channel from keypad. Infrared Transmitter Window CATV/DVD-TV/VCR MODE buttons Press TV/VCR→ Signals sent will be for TV and VCR control. Press CATV/DVD → Signals sent will be for cable - Sharp 27F630 | Service Manual - Page 5
27F630 27F631 Note: INSTALLATION AND SERVICE INSTRUCTIONS (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 The receiver is - Sharp 27F630 | Service Manual - Page 6
and exit service mode. To enter the service mode manually just press and hold the Vol-down and Ch-up buttons at the same time, plug the AC cord into a wall socket. Now the TV set is switched on and enters the service mode. To exit the service mode, turn the television off by pressing the - Sharp 27F630 | Service Manual - Page 7
27F630 27F631 A. VCJ IC ADJUSTMENT SERVICE NUMBER ADJUSTMENT ITEM V01 PICTURE V02 TINT V03 COLOR V05 BRIGHT V06 R CUT-OFF V07 G CUT-OFF V08 B CUT-OFF V09 G/R DRIVE V10 B DRIVE V11 Y-MUTE/V-STOP V12 SHARP V13 DC RESTORATION V14 BLACK STRETCH V15 ABL START POINT V16 - Sharp 27F630 | Service Manual - Page 8
27F630 27F631 SERVICE NUMBER ADJUSTMENT ITEM D14 EW CORNER BOTTOM D15 NOISE DET LEVEL D18 V CENTERING D19 V-AGC DATA RANGE INITIAL VALUE 19-81 (13h-51h) 0-3 (00h-03h) 0-63 (00-3Fh) 0-1 (00h-01h) 50 (32h) 0 (00h) 36 (24h) 0 (00h) NOTES Offset toward D13. B. SPECIAL SETTING SERVICE - Sharp 27F630 | Service Manual - Page 9
27F630 27F631 Holding down both the VOL-up and CH-up buttons on the TV set at service mode for more than 2 seconds will automatically X Holding down both the VOL-up and CH-up buttons on the TV set in the service mode for more than 2 seconds will automatically write the above initial values into - Sharp 27F630 | Service Manual - Page 10
27F630 27F631 Sub-Tint Adjustment 1. Receive the half color bar signal. • RF | / 2 A B SPEC INSPECTION:| A-B | / 2 =< 5mm Vertical-Size and Linearity Adjustments 1. Receive a good local channel. (SCREEN FORMAT 4:3) 2. Enter the service mode and select the service adjustment "D03" for V-size - Sharp 27F630 | Service Manual - Page 11
: 490±10mVrms CHK spec: 490±20mVrms MTS VCO Adjustment 1. Keep the unit in no-signal state. 2. Connect the frequency counter to pin (39) of IC3001. 3. Connect a capacitor (100µF, 50V) in between positive(+) side of C3005 and ground. 4. Enter the service mode and select the service adjustment "M02 - Sharp 27F630 | Service Manual - Page 12
27F630 27F631 CHASSIS LAYOUT H G F E D C B A 1 2 3 4 5 6 12 - Sharp 27F630 | Service Manual - Page 13
BLOCK DIAGRAM H 27F630 27F631 G F E D C B A 1 2 3 4 5 6 13 - Sharp 27F630 | Service Manual - Page 14
27F630 27F631 DESCRIPTION OF SCHEMATIC DIAGRAM /05&4 1. The unit of resistance "ohm" is omitted. may be subject to change for product improvement without prior notice. WAVEFORMS 11.0 Vp-p 22.1 Vp-p 3 1.0Vp-p 40.75 Vp-p 55.0 Vp-p 65.0 Vp-p 70.85 Vp-p 812.5 Vp-p 932 Vp-p 056 Vp-p q2.0 - Sharp 27F630 | Service Manual - Page 15
SCHEMATIC DIAGRAM: CRT Unit H 27F630 27F631 G F E D C B A 1 2 3 4 5 6 15 - Sharp 27F630 | Service Manual - Page 16
27F630 27F631 SCHEMATIC DIAGRAM: MAIN-1 Unit H G F E D C B A 1 2 3 4 5 6 7 8 9 10 16 - Sharp 27F630 | Service Manual - Page 17
27F630 27F631 10 11 12 13 14 15 16 17 18 19 17 - Sharp 27F630 | Service Manual - Page 18
27F630 27F631 SCHEMATIC DIAGRAM: MAIN-2 Unit H G F E D C B A 1 2 3 4 5 6 7 8 9 10 18 - Sharp 27F630 | Service Manual - Page 19
27F630 27F631 10 11 12 13 14 15 16 17 18 19 19 - Sharp 27F630 | Service Manual - Page 20
27F630 27F631 SCHEMATIC DIAGRAM: 3-LINE Y/C Unit H G F E D C B A 1 2 3 4 5 6 7 8 9 10 20 - Sharp 27F630 | Service Manual - Page 21
27F630 27F631 10 11 12 13 14 15 16 17 18 19 21 - Sharp 27F630 | Service Manual - Page 22
27F630 27F631 SCHEMATIC DIAGRAM: AUDIO Unit H G F E D C B A 1 2 3 4 5 6 22 - Sharp 27F630 | Service Manual - Page 23
PRINTED WIRING BOARD ASSEMBLIES H 27F630 27F631 G F E D PWB-B: CRT Unit (Wiring Side) C B A PWB-C: 3-LINE Y/C Unit (Wiring Side) 1 2 3 PWB-C: 3-LINE Y/C Unit (Chip Parts Side) 4 5 6 23 - Sharp 27F630 | Service Manual - Page 24
27F630 27F631 H G F E D C B A PWB-A: MAIN Unit (Components Side) 1 2 3 4 5 6 24 - Sharp 27F630 | Service Manual - Page 25
27F630 27F631 H G F E D C B A PWB-A: MAIN Unit (Chip Parts Side) 1 2 3 4 5 6 25 - Sharp 27F630 | Service Manual - Page 26
27F630 27F631 H G F PWB-S: AUDIO Unit (Wiring Side) E D C PWB-S: AUDIO Unit (Chip Parts Side) B A 1 2 3 4 5 6 26 - Sharp 27F630 | Service Manual - Page 27
in this service manual may create shock, fire or other hazards. "HOW TO ORDER REPLACEMENT PARTS" To have your order filled promptly and correctly, please furnish the following informations. 1. MODEL NUMBER 3. PART NO. 2. REF. NO. 4. DESCRIPTION in USA: Contact your nearest SHARP - Sharp 27F630 | Service Manual - Page 28
27F630 27F631 Ref. No. Part No. 5 Description PWB-A: DUNTKB567WEV4 MAIN UNIT (Continued) D455 VHD1SS119//-1∗ X 1SS119 D501 RH-DX0302CEZZ∗ X Diode D502 VHD1SS119//-1∗ X 1SS119 D510 RH-DX0441CEZZ∗ X Diode å - Sharp 27F630 | Service Manual - Page 29
16V Electrolytic AB C812 VCQYTA1HM104J+ X 0.1 50V Mylar AB C901 VCKYCY1HB103K∗ X 0.01 50V Ceramic AA C902 VCKYCY1HB103K∗ X 0.01 50V Ceramic AA 27F630 27F631 Ref. No. Part No. 5 Description Code C903 VCKYCY1HB681K∗ X 680p 50V Ceramic AA C904 VCEA0A1HW105M+X 1 50V Electrolytic AA C905 - Sharp 27F630 | Service Manual - Page 30
27F630 27F631 Ref. No. Part No. 5 Description Code Ref. No. Part No. 5 Description Code PWB-A: DUNTKB567WEV4 MAIN UNIT (Continued) C3029 VCKYCY1HB682K∗ X 6800p 50V Ceramic AA RESISTORS - Sharp 27F630 | Service Manual - Page 31
AA R923 VRS-CY1JF102J∗ X 1k 1/16W Metal Oxide AA R924 VRS-CY1JF750J∗ X 75 1/16W Metal Oxide AA R925 VRS-CY1JF750J∗ X 75 1/16W Metal Oxide AA 27F630 27F631 Ref. No. Part No. 5 Description Code R926 VRS-CY1JF680J∗ X 68 1/16W Metal Oxide AA R927 VRS-CY1JF750J∗ X 75 1/16W Metal Oxide AA R929 - Sharp 27F630 | Service Manual - Page 32
27F630 27F631 Ref. No. Part No. 5 Description Code PWB-A: DUNTKB567WEV4 MAIN UNIT (Continued) QPLGN0260CEZZ X Plug, 2pin(M1-2) P2401 QPLGN0661CEZZA X Plug, 6pin RMC2601 RRMCU0222CEZZ X Remote Receiver RY701 RRLYJ0081CEZZ X Relay TP701 QLUGP0102PEZZ X Lug RDA361 PRDAR0258PEFW X Heat Sink for - Sharp 27F630 | Service Manual - Page 33
10µH AA L1414 VP-XF330K0000∗ X Peaking 33µH AA L1417 VP-XF220K0000∗ X Peaking 22µH AA CAPACITORS C1412 VCEA0A1HW106M+X 10 50V Electrolytic AA 27F630 27F631 Ref. No. Part No. 5 Description Code C1413 VCKYCY1HF103Z∗ X 0.01 50V Ceramic AA C1414 VCCCCY1HH3R0C∗X 3.0p 50V Ceramic AA C1415 - Sharp 27F630 | Service Manual - Page 34
Ass'y BD (27F630) 1 CCABAA243WEH0 X Front Cabinet Ass'y BE (27F631) 1-1 -------- - Front Cabinet - 1-2 HBDGB3141CESA X SHARP Badge AD 1-3 Unit AT TiNS-A525WJZZ X Opearation Manual AE (27F630) (Including Warranty) TiNS-A526WJZZ X Opearation Manual AE (27F631) (Including Warranty) - Sharp 27F630 | Service Manual - Page 35
5 Polyethylene Sheet PACKING OF THE SET 5 Polyethylene Bag 27F630 27F631 Operation Manual Infrared R/C Unit 5 Batteries 5Buffer Material FRONT 5 Packing Case 5 MARK : Not replacement items. REAR Use tape to fix the top side of packing case. Use 12 - Sharp 27F630 | Service Manual - Page 36
27F630 27F631 COPYRIGHT © 2003 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced Design and Production Information Design : JAPAN Production : SEMEX MY. DS SHARP CORPORATION AV Systems Group Quality & Reliability Control Center Yaita, Tochigi 329-2193, Japan
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27F630
27F631
SHARP CORPORATION
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
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.
COLOR TELEVISION
Chassis No. GB-3U
Page
»
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
CONTENTS
SPEAKER
SIZE
........................................................
12 x 6 cm oval (2 pcs.)
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
(EIA, Channel Plan U.S.A.)
POWER INPUT
.....................................................
120V AC, 60 Hz
POWER RATING
..................................................................
135W
PICTURE SIZE
.......................................
2,193.5 cm
2
(339sq inch)
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
(Nominal)
AUDIO POWER
OUTPUT RATING
..............
5.0W + 5.0W (at 10% distortion and
Dual CH Operate)
Specifications are subject to change without
prior notice.
ELECTRICAL SPECIFICATIONS
MODELS
SERVICE MANUAL
27F630
27F631
S13W527F630//