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SERVICE MANUAL
Picture tube
0.24 mm aperture grille pitch
19 inches measured diagonally
90-degree deflection
Approx. 365 × 274 mm (w/h)
Viewable image size
3
(14
18.0" viewable diagonal
Resolution
Horizontal: Max. 1600 dots
Vertical: Max. 1200 lines
Approx. 352 × 264 mm (w/h)
Standard image area
7
(13
Deflection frequency*
Horizontal: 30 to 107kHz
Vertical: 48 to 120 Hz
256 < Total Line < 2048
AC input voltage/current
220 to 240 V, 50 – 60 Hz, Max. 1.0 A
MODEL
BODY COLOR
6551-T3N
WHITE TYPE
6551-U3N
BLACK TYPE
6551-T3N/6551-U3N
SPECIFICATIONS
× 10
7
/
/
inches)
8
8
× 10
1
/
/
inches)
8
2
SPEC.
DEST.
AEP
AEP
Chassis No. SCC-L40A-A (6551-T3N)
Chassis No. SCC-L40B-A (6551-U3N)
Power consumption
Max. 140 W
Operating temperature 10°C to 40°C
Approx. 462 × 462 × 474 mm
Dimensions
(w/h/d)
1
(18
Mass
Approx. 27 kg (59 lb 8 oz)
* Recommended horizontal and vertical timing condition
• Horizontal sync width should be more than 1.0 µsec.
• Horizontal blanking width should be more than
3.0 µsec.
• Vertical blanking width should be more than 450 µsec.
Design and specifications are subject to change without
notice.
TRINITRON
GRAPHIC DISPLAY
AEP Model
F99
CHASSIS
× 18
× 18
1
3
/
/
/
inches)
4
4
4
COLOR
®
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Table of Contents
Related Manuals for IBM 6551-T3N
Summary of Contents for IBM 6551-T3N
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Page 1: Service Manual
6551-T3N/6551-U3N SERVICE MANUAL AEP Model Chassis No. SCC-L40A-A (6551-T3N) Chassis No. SCC-L40B-A (6551-U3N) CHASSIS SPECIFICATIONS Power consumption Max. 140 W Picture tube 0.24 mm aperture grille pitch 19 inches measured diagonally Operating temperature 10°C to 40°C 90-degree deflection Approx. 462 × 462 × 474 mm Dimensions Approx. - Page 2 6551-T3N/6551-U3N SAFETY CHECK-OUT After correcting the original service problem, perform the fol- LEAKAGE TEST lowing safety checks before releasing the set to the customer: The AC leakage from any exposed metal part to earth ground 1. Check the area of your repair for unsoldered or poorly-sol- and from all exposed metal parts to any exposed metal part hav- dered connections.
- Page 3 • IBM recommends that you switch off your monitor at the end of each working day, or whenever you expect to leave it unused for long periods during the day.
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Page 4: Timing Specification
6551-T3N/6551-U3N TIMING SPECIFICATION MODE TEST MODE MODE AT PRODUCTION MODE 1 MODE 2 MODE 3 MODE 4 MODE 5 RESOLUTION 640 X 480 640 X 480 800 X 600 800 X 600 1024 X 768 CLOCK 25.175 MHz 36.000 MHz 49.500 MHz... -
Page 5: Table Of Contents
6551-T3N/6551-U3N TABLE OF CONTENTS Section Title Page 1. GENERAL ..............1-1 2. DISASSEMBLY 2-1. Cabinet Removal ..........2-1 2-2. Shield (EMI, Video), Side Cover (L and R) Removal ......2-1 2-3. A Board Removal ..........2-2 2-4. Rear Shield Complete Assy, D Board Removal .......... - Page 15 1-10...
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Page 16: Disassembly
6551-T3N/6551-U3N SECTION 2 DISASSEMBLY 2-1. CABINET REMOVAL Bucket assy Two screws (+BVTP 4 x 16) Screw cover (UL) Two screws (+BVTP 4 x 16) Screw cover (LR) Screw cover (UR) Screw cover (LL) Push in the tip of a 2-2. SHIELD (EMI, VIDEO), screwdriver to unlock the claw. -
Page 17: A Board Removal
6551-T3N/6551-U3N 2-3. A BOARD REMOVAL CN306 A board CN308 CN311 CN303 CN309 Three screws (+BVTT 3 x 8) CN305 Screw (+BVTT 4 x 8) Cable stopper Two screws 2-4. REAR SHIELD COMPLETE ASSY, Screw D BOARD REMOVAL (+P 3.5 x 20) -
Page 18: Service Position
6551-T3N/6551-U3N 2-5. SERVICE POSITION A board D board AC inlet 2-6. H BOARD REMOVAL Before removing the bezel assembly, secure the picture tube shield at the positions shown with the arrow (diagonal two places) to prevent the picture tube Four screws (Tapping screw (5)) from falling. -
Page 19: Picture Tube Removal
6551-T3N/6551-U3N 2-7. PICTURE TUBE REMOVAL Four screws (Tapping screw (5)) Anode cap A board 2pin Neck assembly CN11 Three connectors Deflection yoke Picture tube Bezel assembly CN2001 • 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 20: Harness Location
6551-T3N/6551-U3N 2-8. HARNESS LOCATION H board CN2001 Picture tube Degaussing coil CN11 N board CN1004 CN1003 CN1002 CN701 CN702 Side cover (L) CN603 D board CN904 CN600 CN901 AC inlet Rear shield CN313 CN302 CN310 CN306 CN301 CN311 CN308 CN303... -
Page 21: Safety Related Adjustment
6551-T3N/6551-U3N SECTION 3 SAFETY RELATED ADJUSTMENT When replacing or repairing the shown below table, the b) High Voltage Hold-Down Function Check following operational checks must be performed as a + 0.00 1) Apply the voltage 21.1 VDC between D912 cath- –... -
Page 22: Adjustments
6551-T3N/6551-U3N SECTION 4 ADJUSTMENTS • Landing Rough Adjustment 13. Using two wedges, adjust vertical pins so as to attain a=b as 1. Enter the full white signal. (or the full black dots signal). shown below. Further, insert two wedges as shown in the 2. - Page 23 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...
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Page 24: Diagrams
SECTION 5 DIAGRAMS 5-1. BLOCK DIAGRAMS CN310 CN311 (VIDEO AMP, RGB OUT) DDC SCL DDC SCL DDC SDA DDC SDA TO FBT HC FC IC001 IC002 IC008 RGB PRE-AMP RGB OUT INPUT SEL SW CN313 CN315 CN316 BLUE1 B OUT B IN B OUT B. - Page 25 µ-COM, CY, DEFLECTION , POWER, H DEF, HV CN603 D625 L601 AC IN LF602 CN600 F601 T602 AC RECT :LFT :SRT AC L 200V TH600 IC603 SW REG CONT IC604 AC H 12V REG S602 RY602 IC701 CY AMP TH601 CN610 RY601 V IN...
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Page 26: Frame Schematic Diagram
5-3. CIRCUIT BOARDS LOCATION 5-2. FRAME SCHEMATIC DIAGRAM B GND1 BLUE1 CN313 G GND1 GREEN1 R GND1 VIDEO CABLE RED1 VIDEO AMP, RGB OUT CN310 PICUTURE TUBE DDCSCL CN309 CN306 CN311 VIDEO CABLE CN305 DDCSDA CN301 CPU GND1 :S-MICRO :S-MICRO :S-MICRO :S-MICRO FOCUS1 FOCUS2... -
Page 27: Schematic Diagrams And Printed Wiring Boards
VIDEO AMP RGB OUT 5-4. SCHEMATIC DIAGRAMS AND PRINTED — A BOARD — WIRING BOARDS Note: Part Replaced ([) • All capacitors are in µF unless otherwise noted. (pF: µµF) HV ADJ RV901 Capacitors without voltage indication are all 50 V. •... -
Page 28: Schematic Diagram Of A Board
• A BOARD WAVEFORMS (1) Schematic Diagram of A Board 4.16 Vp-p (H) 4.16 Vp-p (H) 4.08 Vp-p (H) 49.8 Vp-p (H) 49.8 Vp-p (H) 48.8 Vp-p (H) 49.8 Vp-p (H) 49.8 Vp-p (H) 48.8 Vp-p (H) 1.78 Vp-p (8 MHz) CN315 CN316 R351... -
Page 29: Schematic Diagrams Of D (A,B,C) Board
(2) Schematic Diagrams of D (a, b, c) Board TO A BOARD TO A BOARD TO H BOARD TO A BOARD CN311 CN306 CN2001 TO ECS CN309 3 - 8 PIN CN701 CN1002 CN1003 CN1004 CN1001 :S-MICRO :S-MICRO :S-MICRO JR603 R1016 :CHIP STBY... - Page 30 C650 100p 500V L601 56mH D615 12V-2 R653 12V-2 UF4007G23 C501 C557 R503 C609 0.0047 Q502 F:CHIP :CHIP 250V R664 2SC2411K C500 R501 220p H DRIVE BUFF C559 D616 CH:CHIP :CHIP BT149G-412-OT359 R652 F:CHIP C622 R657 R502 0.0022 2.2k B:CHIP :CHIP :CHIP R625...
- Page 31 • D-c BOARD • D BOARD SEMICONDUCTOR LOCATION WAVEFORMS Q706 – D629 D630 – Q901 – IC401 Q902 – D633 – D901 D634 – IC501 Q903 MA111-TX D635 – IC502 Q904 R901 R902 C902 C901 100k D636 0.01 IC503 :CHIP :CHIP B:CHIP 131.5 Vp-p (H)
- Page 32 µ-COM, CY, DEFLECTION, POWER, HDEF, HV — D BOARD — NOTE: The circuit indicated as left contains high voltage of over 600 Vp-p. Care must be paid to prevent an electric shock in inspection or repairing. 5-17 5-18...
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Page 33: Schematic Diagrams Of N, H Boards
USER CONTROLL (3) Schematic Diagrams of N, H Boards — N BOARD (Conductor Side) — — N BOARD (Component Side) — V.FBP HSYNCO R829 PLL LOCK R830 R831 R866 :CHIP :CHIP :CHIP FB809 :CHIP C827 CN801 6.3V R817 Q805 H FBP 2SA1037K :CHIP H SHAPE... -
Page 34: Semiconductors
5-5. SEMICONDUCTORS BA00AST-V5 CXD9517Q MC13289 DTC144ESA-TP 2SA1175-HFE BA05ST-V5 PDTC114-EK-115 2SA1309A-QRSTA H8D2972 2SA1358-Y 2SC2459-GR-TPE4 LA6500-FA 2SC3421-Y 2SC2784 2SC2784-E 2SC2785-HFE 2SC3311A-QRSTA 2SC3311A-RTA TOP VIEW TOP VIEW 32 pin DIP LETTER SIDE 64 pin QFP CXD9522S M52758FP BA05T FS5KM-16A LD1117S33TR FS5KM-18A-AY 2SJ516LB2SONY 2SJ585LS-CC11 TOP VIEW 2SK3265LB2SONY 2SA1049-GR... - Page 35 EGP10D 2SC5022-02 D10SC9M SB340L-6489 EGP10GPKG23 ERA91-02 CATHODE ERA91-02TP1 RH-1A CATHODE ANODE 2SC5445(LBSONY1) SPR325MTW D2L40-TA ANODE ERB38-06V1 HSS82 EGP10DPKG23 MTZJ-T-77-18 MTZJ-T-77-5.6B HZS182-TE HZS9.1NB2 NNCD5.6A-T1 RGP02-17EL-6433 MTZJ-T-77-15B MTZJ-6.2B RGP02-17PKG23 ANODE (GRN) MTZJ-T-77-4.7B RGP10DG23 ANODE UF4007G23 MTZJ-T-77-6.2 (RED) CATHODE RD10ES-T1B2 1SS133T-77 1SS367-T3SONY RD10ESB2 2SK2098-01MR-F119 TLP621D4-Y-LF2T RD15ES-B2...
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Page 36: Exploded Views
4-072-290-11 COVER, CABLE (6551-U3N) 8-933-422-00 A BOARD, COMPLETE 8-933-463-00 D BOARD, COMPLETE 4, 5 X-4037-238-1 BUCKET ASSY (W), REAR (6551-T3N) 8-933-426-00 N BOARD, COMPLETE X-4037-241-1 BUCKET ASSY (B), REAR (6551-U3N) 0 X-4560-174-1 TRANSFORMER ASSY, FLYBACK 4-072-288-01 COVER (UR), SCREW (6551-T3N) -
Page 37: Picture Tube
Replace only with the part number specified. REF.NO. PART NO. DESCRIPTION REMARK REF.NO. PART NO. DESCRIPTION REMARK X-4037-242-1 BEZEL ASSY (W) (6551-T3N) 52, 54 2-162-100-21 SPACER, DEFLECTION YOKE X-4037-243-1 BEZEL ASSY (B) (6551-U3N) 52, 54 * 4-047-316-01 SPRING, EXTENSION 0 1-419-285-11 COIL, DEGAUSSING... -
Page 38: Packing Materials
Replace only with the part number specified. REF.NO. PART NO. DESCRIPTION REMARK REF.NO. PART NO. DESCRIPTION REMARK * 4-073-027-01 INDIVIDUAL CARTON 4-063-578-11 BAG, PROTECTION (6551-U3N) * 4-073-029-01 CUSHION (LOWER) (ASSY) 1-772-399-21 DISK, INFORMATION IBM * 4-073-028-01 CUSHION (UPPER) (ASSY) 3-868-265-21 MANUAL, INSTRUCTION 4-063-577-01 BAG, POLYETHYLENE (6551-T3N) -
Page 39: Electrical Parts List
6551-T3N/6551-U3N 6551-T3N/6551-U3N ¡ ¡ Les composants identifiés par la marque The components identified marked are SECTION 7 sont critiques pour la sécurité. critical for safety. Ne les remplacer que par une pièce portant Replace only with the part number specified. - Page 40 6551-T3N/6551-U3N ¡ ¡ Les composants identifiés par la marque The components identified marked are sont critiques pour la sécurité. critical for safety. Ne les remplacer que par une pièce portant Replace only with the part number specified. le numéro spécifié.
- Page 41 6551-T3N/6551-U3N ¡ ¡ Les composants identifiés par la marque The components identified marked are sont critiques pour la sécurité. critical for safety. Ne les remplacer que par une pièce portant Replace only with the part number specified. le numéro spécifié.
- Page 42 6551-T3N/6551-U3N ¡ ¡ Les composants identifiés par la marque The components identified marked are sont critiques pour la sécurité. critical for safety. Ne les remplacer que par une pièce portant Replace only with the part number specified. le numéro spécifié.
- Page 43 6551-T3N/6551-U3N ¡ ¡ Les composants identifiés par la marque The components identified marked are sont critiques pour la sécurité. critical for safety. Ne les remplacer que par une pièce portant Replace only with the part number specified. le numéro spécifié.
- Page 44 6551-T3N/6551-U3N ¡ ¡ Les composants identifiés par la marque The components identified marked are sont critiques pour la sécurité. critical for safety. Ne les remplacer que par une pièce portant Replace only with the part number specified. le numéro spécifié.
- Page 45 6551-T3N/6551-U3N ¡ ¡ Les composants identifiés par la marque The components identified marked are sont critiques pour la sécurité. critical for safety. Ne les remplacer que par une pièce portant Replace only with the part number specified. le numéro spécifié.
- Page 46 6551-T3N/6551-U3N ¡ ¡ Les composants identifiés par la marque The components identified marked are sont critiques pour la sécurité. critical for safety. Ne les remplacer que par une pièce portant Replace only with the part number specified. le numéro spécifié.
- Page 47 6551-T3N/6551-U3N ¡ ¡ Les composants identifiés par la marque The components identified marked are sont critiques pour la sécurité. critical for safety. Ne les remplacer que par une pièce portant Replace only with the part number specified. le numéro spécifié.
- Page 48 6551-T3N/6551-U3N ¡ ¡ Les composants identifiés par la marque The components identified marked are sont critiques pour la sécurité. critical for safety. Ne les remplacer que par une pièce portant Replace only with the part number specified. le numéro spécifié.
- Page 49 6551-T3N/6551-U3N The components identified by in this manual ¡ ¡ Les composants identifiés par la marque The components identified marked are have been carefully factory-selected for each set sont critiques pour la sécurité. critical for safety. in order to satisfy regulations regarding X-ray Ne les remplacer que par une pièce portant...
- Page 50 6551-T3N/6551-U3N ¡ ¡ Les composants identifiés par la marque The components identified marked are sont critiques pour la sécurité. critical for safety. Ne les remplacer que par une pièce portant Replace only with the part number specified. le numéro spécifié.
- Page 51 6551-T3N/6551-U3N ¡ ¡ Les composants identifiés par la marque The components identified marked are sont critiques pour la sécurité. critical for safety. Ne les remplacer que par une pièce portant Replace only with the part number specified. le numéro spécifié.
- Page 52 6551-T3N/6551-U3N ¡ ¡ Les composants identifiés par la marque The components identified marked are sont critiques pour la sécurité. critical for safety. Ne les remplacer que par une pièce portant Replace only with the part number specified. le numéro spécifié.