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SERVICE MANUAL
Picture tube
Viewable image size
Resolution
Standard image area
6557-03N/03S/43N/43S
SPECIFICATIONS
0.25 – 0.27 mm aperture grille pitch
19 inches measured diagonally
90-degree deflection
Approx. 365
273 mm (w/h)
3
3
(14
/
10
/
inches)
8
4
18.0" viewing image
Horizontal: Max. 1600 dots
Vertical: Max. 1200 lines
Approx. 330
264 mm (w/h)
1
(13
10
/
inches)
2
or
Approx. 352
264 mm (w/h)
7
1
(13
/
10
/
inches)
8
2
N. Hemisphere Model
Japan Model
S. Hemisphere Model
Deflection frequency
Horizontal: 30 to 94 kHz
Vertical: 50 to 160 Hz
256 Total Line
AC input voltage/current
100 to 240 V, 50 – 60 Hz, 1.8 – 1.0
A
Power consumption
Max. 130 W
Dimensions
462.2
1
(18
Mass
Approx. 25 kg (55 lb 2 oz)
Design and specifications are subject to change without
notice.
MODEL
BODY COLOR
6557-03N
WHITE TYPE
6557-03S
6557-43N
BLACK TYPE
6557-43S
COLOR MONITOR
6557-03N/43N
AEP Model
6557-03S/43S
N3
CHASSIS
2048
477.5 475.5 mm (w/h/d)
7
3
/
18
/
18
/
inches)
4
8
4
SPEC.
DEST.
NH, AEP, J
SH
NH, AEP, J
SH
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Table of Contents
Related Manuals for IBM 655743N - P 92 - 19" CRT Display
Summary of Contents for IBM 655743N - P 92 - 19" CRT Display
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Page 1: Service Manual
6557-03N/03S/43N/43S SERVICE MANUAL 6557-03N/43N N. Hemisphere Model AEP Model Japan Model 6557-03S/43S S. Hemisphere Model CHASSIS SPECIFICATIONS Picture tube 0.25 – 0.27 mm aperture grille pitch Deflection frequency Horizontal: 30 to 94 kHz 19 inches measured diagonally Vertical: 50 to 160 Hz 90-degree deflection 256 Total Line 2048... - Page 2 6557-03N/03S/43N/43S SAFETY CHECK-OUT (US Model only) After correcting the original service problem, perform the fol- 3. Measuring the voltage drop across a resistor by means of a lowing safety checks before releasing the set to the customer: VOM or battery-operated AC voltmeter. The “limit” indica- 1.
- Page 3 6557-03N/03S/43N/43S POWER SAVING FUNCTION This monitor meets the power-saving guidelines set by Note VESA and Energy Star, as well as the more stringent If no video signal is input to the monitor, the “NO INPUT SIGNAL” message (page 18) appears. After the delay time has NUTEK .
- Page 4 6557-03N/03S/43N/43S TIMING SPECIFICATION MODE AT MODE 1 MODE 2 MODE 3 MODE 4 MODE 5 MODE 6 MODE 7 MODE 8 MODE 9 PRODUCTION RESOLUTION 656 X 496 640 X 480 800 X 600 1024 X 768 1024 X 768 1280 X 1024 1280 X 960 1280 X 1024 1600 X 1200...
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Page 5: Table Of Contents
6557-03N/03S/43N/43S TABLE OF CONTENTS Section Title Page 1. GENERAL ..............1-1 2. DISASSEMBLY 2-1. Cabinet Removal ..........2-1 2-2. A Board Removal ..........2-1 2-3. AC inI/O TERMINAL Board Removal ..... 2-2 2-4. D Board Removal ..........2-2 2-5. Service Position ..........2-3 2-6. -
Page 6: General
SECTION 1 The operating instructions mentioned here are partial abstracts from the Operating Instruction Manual. The page numbers of GENERAL the Operating Instruction Manual remain as in the manual. Getting Started Getting started Getting Started Getting Started Warning on power connection Precautions Identifying Parts and Controls •... - Page 7 Getting Started Getting Started Getting Started 9 Video input 2 connector (13W3 cable) Setup Automatically Adjusting the Size Selecting the Input Signal Inputs RGB video signal (0.700 Vp-p, positive). and Centering of the Picture This monitor works with platforms running at horizontal This monitor has two signal input connectors (HD15 and frequencies between 30 and 94 kHz.
- Page 8 Getting Started Customizing Your Monitor Getting Started Customizing Your Monitor Press the >?// buttons to select “1” or “2.” Before adjusting Introducing the On-screen Using the CENTER On-screen • Connect the monitor and the computer, and turn them on. • Select “ LANG”...
- Page 9 Customizing Your Monitor Getting Started Customizing Your Monitor Press the >?// buttons to adjust the settings. Using the SIZE On-screen Display Using the GEOM (Geometry) On- Using the ZOOM On-screen screen Display Display The SIZE settings allow you to adjust the size of the picture. Once the setting is adjusted, it will be stored in memory for The GEOM (geometry) settings allow you to adjust the The ZOOM settings allow you to enlarge or reduce the...
- Page 10 Customizing Your Monitor Getting Started Customizing Your Monitor Select Press Using the COLOR On-screen Display Using the SCREEN On-screen / . . . to shift red shadows up and blue turn the moire cancellation function Display shadows down “ON” or “OFF.” CANCEL MOIRE You can change the monitor’s color temperature.
- Page 11 Customizing Your Monitor Getting Started Customizing Your Monitor Changing the on-screen display position Setting the power saving delay time Locking the controls Using the OPTION On-screen Display You can change the OSD position (for example, when you You can set the delay time before the monitor enters the The control lock function disables all of the buttons on the want to adjust the picture behind the OSD).
- Page 12 Customizing Your Monitor Technical Features Getting Started Technical Features You can set the delay time before the monitor enters the Using the LANG (Language) On- Resetting the Adjustments Power Saving Function power saving mode using the OSD. Set the time according to “Setting the power saving delay time”...
- Page 13 Additional Information Additional Information Getting Started Additional Information 1 The input signal condition Symptom Check these items Warning Messages “OUT OF SCAN RANGE” indicates that the input signal You cannot adjust the monitor • If the control lock function is set to on, set it to off using the OPTION OSD (page 13). is not supported by the monitor’s specifications.
- Page 14 Additional Information Self-diagnosis Function Specifications This monitor is equipped with a self-diagnosis function. If Picture tube 0.25 – 0.27 mm aperture grille pitch there is a problem with your monitor or computer(s), the 19 inches measured diagonally screen will go blank and the u indicator will either light up 90-degree deflection green or flash orange.
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Page 15: Disassembly
6557-03N/03S/43N/43S SECTION 2 DISASSEMBLY 2-1. CABINET REMOVAL Four screws (+ BVTP 4 x 16) Two screw covers Cabinet Seven screws (+BVTT 3 x 8) EMI shield Two screw covers Screw (+BVTT 3 x 8) Video shield Four screws (+BVTT 3 x 8) Side cover 2-2. -
Page 16: D Board Removal
6557-03N/03S/43N/43S 2-3. AC INLET AND I/O TERMINAL BOARD REMOVAL Two screws (Ext tooth washer screw M4) I/O terminal board Rear shield CN601 CN406 CN405 Connector (9pin) A board CN404 Three screws (+BVTT 3 x 8) CN403 AC inlet (3P) Screw Two screws (Ext tooth washer screw M4) (+KTP 3 x 8) -
Page 17: Service Position
6557-03N/03S/43N/43S 2-5. SERVICE POSITION AC inlet (3P) CN601 D board 2-6. H BOARD REMOVAL Four screws (Tapping screw 5) Claw CN801 Two screws (+ BVTAP 3 x 12) H board Bezel... -
Page 18: Picture Tube Removal
6557-03N/03S/43N/43S 2-7. PICTURE TUBE REMOVAL Two screws Three connectors (+ BVTT 4 x 8) CN2 (DY) A board GND (DY) CN4 (DY) Anode cap Neck assy Deflection yoke Picture tube REMOVAL OF ANODE-CAP NOTE: Short circuit the anode of the picture tube and the anode cap to the metal chassis, CRT shield or carbon painted on the CRT, after removing the anode. -
Page 19: Safety Related Adjustment
6557-03N/03S/43N/43S SECTION 3 SAFETY RELATED ADJUSTMENT When replacing or repairing the shown below table, the follow- Beam Current Protector Circuite Check ing operational checks must be performed as a safety precaution (1) Hardware logic circuit against X-rays emissions from the unit. Turn the POWER SW on, and check that the RAS- TER fades in. -
Page 20: Adjustments
6557-03N/03S/43N/43S SECTION 4 ADJUSTMENTS (µm) Landing Rough Adjustment <Specifications> 0 ± 4 0 ± 7.5 0 ± 4 1. Enter the full white signal. (or the full black dots signal). Adjust so that the green is within 2. Adjust the contrast to the maximum. the specification given right. - Page 21 Connect the communication cable of the computer to the connector located on the D board on the monitor. Run the service software and then follow the instruction. 1-690-391-21 A-1500-819-A 3-702-691-01 Interface Unit Connector Attachment IBM AT Computer To BUS CONNECTOR as a Jig D-sub mini Din 4 Pin 4 Pin...
- Page 22 6557-03N/03S/43N/43S MEMO...
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Page 23: Diagrams
SECTION 5 DIAGRAMS 5-1. BLOCK DIAGRAMS (with FRAME SCHEMATIC DIAGRAM) TO FBT FV1 FV2 HV IC408 IC403 IC407 RGB INPUT SELECT RGB DRIVE RGB OUT V901 PICTURE TUBE CN403 CN407 CN408 BUFF (POWER SUPPLY,U-COM,DEFLECTION) R IN 2 R_IN2 R_OUT R_IN R_OUT R_IN R_OUT... -
Page 24: Schematic Diagram Of D Board
D BOARD WAVEFORMS (1) Schematic Diagram of D Board STBY 5V STBY 5V CN502 Q514 LC_VS2 T503 D020 FB501 2SJ449(1) D508 1PS226-115 PS501 L501 1.1UH CN505 R1024 1.5A 100µH PIN OUT D2L40-TA T505 :S-MICRO 180V T504 5.0 Vp-p (4MHz) :CHIP LC_VS1 D021 9V-1... - Page 25 POWER SUPPLY, U-COM, DEFLECTION — D BOARD (Conductor Side) — — D BOARD (Component Side) — 5-10...
- Page 26 VIDEO AMP • A BOARD RGB OUT SEMICONDUCTOR LOCATION — A BOARD (Conductor Side) — — A BOARD (Component Side) — Conductor Component Side Side IC401 D–1 IC402 D–2 IC403 C–1 C–2 IC404 C–1 IC405 A–2 IC406 A–2 A–1 IC407 B–1 B–2 IC408...
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Page 27: Schematic Diagram Of A Board
(2) Schematic Diagram of A Board CONNECTOR PANEL TO D BOARD T901(FBT) FV2 R361 C352 D311 R308 +12V B.GND2 IC408 IC407 TO D BOARD T901(FBT) FV1 1PS226-115 FA4111 FB301 1/2W PROT M52348FP BLUE2 RGB-VIDEO-AMP INPUT SELECT R319 B.DRV D211 B.OSD B.DRV J401 C252... -
Page 28: Schematic Diagram Of H Board
USER CONTROL (3) Schematic Diagram of H Board STBY+5V C800 Q802 CN801 2SC3311A LED DRIVE R809 LED 0 LED 1 R810 LED 2 R812 R811 LED 3 KEY DET D806 STBY+5V SPB-26MVWF ENV_TEMP POWER R808 R807 R806 R805 R804 R803 R802 R801 R800... -
Page 29: Semiconductors
5-4. SEMICONDUCTORS BA05T LA6500-FA MCR5102 DTA114GKAT146 2SA1091-O NJM78M09FA DTA143ESA 2SC2362K-G TA78M12S DTA144EKA-T146 DTC114GKA DTC114GKAT146 DTC124EK DTC124EKA-T146 2SA1036K-Q 2SA1036K-T-146-Q 2SA1037K-T-146-QR 2SA1162G 2SA1462-Y33 LA6510 MC33262P 2SA1738-TX MM1170BFB 2SA1358-Y 2SC1623-L5L6 2SC3421-Y 2SC2412K-T-146-QR BA9756FS-E2 M62352GP-75E M62352GP-75ED LA7841L M52348FP-TP DTC114ESA 2SC2784 2SC2362KG-AA 2SC2785-HFE CAX2043Q 2SC3311A-QRSTA 2SC3311A-RTA LETTER SIDE LM1283N... - Page 30 1PS226-115 2SC5022-02 D1NL20U-TR D5L60 PC123F2 2SJ449 D1NL40-TA PC123FY2 2SJ449(1) CATHODE ANODE 1SS376TE-17 EGP10D D1NS4 ERA91-02 PG124S15 EGP10GPKG23 S2LA20F 2SC5301-CC ANODE ERA38-06 S2L20UF RD11ES-B1 RD12ES-B2 CATHODE RD13ES-B2 RD16ES-B2 CATHODE RD16ES-B3 RD22ES-B2 CATHODE RD24ES-B2 RE24ES-B3 ANODE SPB-26MVWF RD3.3ES-B2 ANODE RD5.1ES-B2 P6KE200AG23 RD6.2ES-B2 RD6.8ES-B1 ERA22-06AVRBT SB340L-6489...
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Page 31: Exploded Views
6557-03N/03S/43N/43S SECTION 6 EXPLODED VIEWS • Items with no part number and no • Items marked " * " are not stocked since The components identified by shading description are not stocked because they they are seldom required for routine ¡... -
Page 32: Picture Tube
6557-03N/03S/43N/43S 6-2. PICTURE TUBE Les composants identifiés per un tramé The components identified by shading 7-685-663-71 +BVTP 4X16 ¡ ¡ et une marque sont critiques pour la and mark are critical for safety. π 7-685-881-09 +BVTT 4X8 sécurité. Ne les remplacer que par une Replace only with part number specified. -
Page 33: Packing Materials
DESCRIPTION REMARK REF.NO. PART NO. DESCRIPTION REMARK 4-062-474-01 CUSHION (UPPER) (ASSY) 4-063-796-01 INFORMATION DISK (IBM) ¡ 1-783-507-11 CORD SET, POWER (10A/125V) 4-063-577-01 BAG, POLYETHYLENE [03N/03S] 4-063-578-01 BAG, PROTECTION [43N/43S] [43N NH model] ¡ 1-783-507-21 CORD SET, POWER (10A/125V) 4-062-648-01 PAD, TILT FIXED... -
Page 34: Electrical Parts List
6557-03N/03S/43N/43S The components identified by shading Les composants identifiés per un tramé SECTION 7 ¡ ¡ et une marque sont critiques pour la and mark are critical for safety. sécurité. Ne les remplacer que par une Replace only with part number specified. ELECTRICAL PARTS LIST piéce portant le numéro spécifié. - Page 35 6557-03N/03S/43N/43S The components identified by shading Les composants identifiés per un tramé ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la Replace only with part number specified. sécurité. Ne les remplacer que par une piéce portant le numéro spécifié.
- Page 36 6557-03N/03S/43N/43S The components identified by shading Les composants identifiés per un tramé ¡ ¡ et une marque sont critiques pour la and mark are critical for safety. sécurité. Ne les remplacer que par une Replace only with part number specified. piéce portant le numéro spécifié.
- Page 37 6557-03N/03S/43N/43S The components identified by shading Les composants identifiés per un tramé ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la Replace only with part number specified. sécurité. Ne les remplacer que par une piéce portant le numéro spécifié.
- Page 38 6557-03N/03S/43N/43S The components identified by shading Les composants identifiés per un tramé ¡ ¡ et une marque sont critiques pour la and mark are critical for safety. sécurité. Ne les remplacer que par une Replace only with part number specified. piéce portant le numéro spécifié.
- Page 39 6557-03N/03S/43N/43S The components identified by shading Les composants identifiés per un tramé ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la Replace only with part number specified. sécurité. Ne les remplacer que par une piéce portant le numéro spécifié.
- Page 40 6557-03N/03S/43N/43S The components identified by shading Les composants identifiés per un tramé ¡ ¡ et une marque sont critiques pour la and mark are critical for safety. sécurité. Ne les remplacer que par une Replace only with part number specified. piéce portant le numéro spécifié.
- Page 41 6557-03N/03S/43N/43S The components identified by shading Les composants identifiés per un tramé ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la Replace only with part number specified. sécurité. Ne les remplacer que par une piéce portant le numéro spécifié.
- Page 42 6557-03N/03S/43N/43S The components identified by shading Les composants identifiés per un tramé ¡ ¡ et une marque sont critiques pour la and mark are critical for safety. sécurité. Ne les remplacer que par une Replace only with part number specified. piéce portant le numéro spécifié.
- Page 43 6557-03N/03S/43N/43S The components identified by shading Les composants identifiés per un tramé ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la Replace only with part number specified. sécurité. Ne les remplacer que par une piéce portant le numéro spécifié.
- Page 44 6557-03N/03S/43N/43S The components identified by shading Les composants identifiés per un tramé ¡ ¡ et une marque sont critiques pour la and mark are critical for safety. sécurité. Ne les remplacer que par une Replace only with part number specified. piéce portant le numéro spécifié.
- Page 45 6557-03N/03S/43N/43S The components identified by shading Les composants identifiés per un tramé ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la Replace only with part number specified. sécurité. Ne les remplacer que par une piéce portant le numéro spécifié.
- Page 46 6557-03N/03S/43N/43S The components identified by shading Les composants identifiés per un tramé ¡ ¡ et une marque sont critiques pour la and mark are critical for safety. sécurité. Ne les remplacer que par une Replace only with part number specified. piéce portant le numéro spécifié.