Compaq P900 Service Manual
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Compaq P900 Service Manual

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SERVICE MANUAL
Picture tube
0.24 mm (center) -0.25mm (edge)
aperture grill pitch
19 inches measured diagonally
90-degree deflection
Video image area
(17.99" maximum viewing image)
Approx. 365 X 274 mm (w/h)
3/8
(14
x 10
Resolution
Horizontal: Max. 1920 dots
Vertical: Max. 1440 lines
Standard image
Approx. 352 x 264 mm (w/h)
area
(13
7/8
x 10
Input signal
Analog RGB (75 ohms typical)
Video
0.7 Vp-p, Positive
Separate Horizontal and Vertical
Sync
TTL level, Positive or Negative
Video Composite (Sync on Green)
0.3 Vp-p
SPECIFICATIONS
4/5
inches)
2/5
inches)
Canadian Model
N. Hemisphere Model
F99
Power Consumption
Maximum
Nominal
Deflection frequency
AC input voltage/current
Dimensions
M a s s
Design and specifications are subject to change without notice.
COLOR MONITOR
P900
P900
US Model
AEP Model
AUS Model
Japan Model
UK Model
Chassis No. SCC-L30M-A
CHASSIS
140 W, 478 BTU/h
100 W, 341BTU/h
Horizontal: 30 to 107 KHz (automatic)
Vertical: 48 to120 Hz (automatic)
100 to 120 V, 50/60 Hz,
1.8A (RMS) at 100VAC
220 to 240V, 50/60Hz,
1.0A (RMS) at 240 VAC
449 x 475 x 462 mm (w/h/d)
(17
2/3
x 18
7/10
x 18
1/5
inches)
Approx. 26.0 kg (57 lb 5 oz)

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  • Page 1 P900 SERVICE MANUAL P900 US Model Canadian Model AEP Model AUS Model Japan Model N. Hemisphere Model UK Model Chassis No. SCC-L30M-A CHASSIS SPECIFICATIONS Picture tube 0.24 mm (center) -0.25mm (edge) Power Consumption aperture grill pitch Maximum 140 W, 478 BTU/h...

  • Page 2: Power Management Modes

    P900 POWER MANAGEMENT MODES If you have VESA's DPMS compliance display card or software installed in your PC, the monitor can automatically reduce its power consumption when not in use. If input from keyboard, mouse, or other input devices is detected, the monitor will automatically "wake up."...

  • Page 3: Safety Check-Out

    P900 SAFETY CHECK-OUT After correcting the original service problem, perform LEAKAGE TEST the following safety checks before releasing the set to The AC leakage from any exposed metal part to earth ground the customer: and from all exposed metal parts to any exposed metal part having a return to chassis, must not exceed 0.5 mA (500...

  • Page 4: Table Of Contents

    P900 TABLE OF CONTENTS Section Title Page SAFETY CHECK-OUT ................3 DISASSEMBLY 1-1. Cabinet/Shield Removal ..........5 1-2. Service Position ............. 5 1-3. D, A, H and N Board Removal ........5 1-4. Picture Tube Removal ........... 6 SAFETY RELATED ADJUSTMENT ..........7 ADJUSTMENTS ................

  • Page 5: Disassembly

    P900 SECTION 1 DISASSEMBLY 1-1. CABINET/SHIELD REMOVAL 1-2. SERVICE POSITION Push in the tip of a screwdriver about 5mm to unlock the claw. Cabinet Cabinet Four screws Two claws Bezel assembly Bezel assembly (+ BVTP 4 x 8) A board...

  • Page 6: Picture Tube Removal

    P900 1-4. PICTURE TUBE REMOVAL A board Two screws (BVTP 4 x 16) Neck assembly Deflection yoke Two screws (BVTP 4 x 16) Four screws (Tapping screw 5) Picture tube shield Demagnetization coil Tension spring Anode-cap Stand assembly (D board)

  • Page 7: Safety Related Adjustment

    P900 SECTION 2 SAFETY RELATED ADJUSTMENT When replacing parts shown in the table below, the 1) Confirm the voltage between D912 cathode and GND on D following operational checks must be performed as a safety Board is more than 15.0 VDC.

  • Page 8: Adjustments

    P900 SECTION 3 ADJUSTMENTS Connect the communication cable of the connector located on the D board on the monitor. Run the service software and then follow these instructions. 1-690-391-21 A-1500-819-A 3-702-691-01 Interface Unit Connector Attachment IBM AT Computer To BUS CONNECTOR...
  • Page 9 P900 3. Display white crosshatch pattern. 3-7. Vertical and Horizontal Position and 4. Adjust HMC and VMC with 6-pole magnet. Size Specification 5. Display crosshatch pattern with R and B. 6. Adjust H.STAT and V.STAT with 4-pole magnet. 7. Fine adjust H. STAT and V. STAT with use register fH <...
  • Page 10 P900 NOTES: — 10 —...

  • Page 11: Diagrams

    P900 SECTION 4 DIAGRAMS 4-1. BLOCK DIAGRAM 4-2. CIRCUIT BOARDS LOCATION 4-3. SCHEMATIC DIAGRAMS AND PRINTED WIRING BOARDS Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 • When replacing parts shown in the table below, be sure to WV or less are not indicated except for electrolytic.
  • Page 12 P900 D BOARD SCHEMATIC DIAGRAM D BOARD WAVEFORMS 3.3 Vp-p (8MHz) 5.8 Vp-p (H) 4.8 Vp-p (V) 12.9 Vp-p (H) 12.8 Vp-p (H) 1.14 KVp-p (H) 12.3 Vp-p (H) 18.7 Vp-p (H) 10.4 Vp-p (H) 1.14 Vp-p (H) 70.0 Vp-p (H) 1.5 Vp-p (V)
  • Page 13 P900 [CONVERGENCE, DEFLECTION, POWER] H BOARD SCHEMATIC DIAGRAM N BOARD SCHEMATIC DIAGRAM [MICRO, DSP] [MICRO, DSP] (COMPONENT SIDE) (CONDUCTOR SIDE) [FUNCTION CONTROL] — 19 — — 20 — — 21 — — 22 — 861 DHN Schematic.p65 09/08/1999, 1:05 PM...

  • Page 14: A Board Schematic Diagram

    P900 A BOARD SCHEMATIC DIAGRAM A BOARD WAVEFORMS 4-4. SEMICONDUCTORS STK391-110 LA6500-FA LA6510 0.7 Vp-p (H) 0.7 Vp-p (H) 4.2 Vp-p (H) 0.7 Vp-p (H) 4.2 Vp-p (H) BA05T TLP621D4-Y 4.1 Vp-p (H) 49.6 Vp-p (H) 47.1 Vp-p (H) 47.1 Vp-p (H)
  • Page 15 P900 PDTC114EK IRF19634G FS5KM-16A 2SC5445 2SA1036K-Q 2SK2098-01MR-F119 2SA1037K-T 2SK3155-01 2SC2411K-CQ 2SA1162-G 2SC1623-L5L6 BT149G-412 FMN-G12S LA78040 IRFU110A anode gate cathode LM2402T D10SC9M PQ12RD08S 1SS376TE-17 CATHODE MARK BA05ST-V5 H8D2972 TL1431CZ BA00AST-V5 LD1117S33TR — 27 —...

  • Page 16: Exploded Views

    P900 SECTION 5 EXPLODED VIEWS Note: • • Items with no part number and no descrip- Items marked " " are not stocked since tion are not stocked because they are sel- they are seldom required for routine ser- The components identified by shading and dom required for routine service.

  • Page 17: Packing Materials

    P900 The components identified with gray shading and a Les composantsidentifies per un trame et une marque critical symbol ( ) are critical for safety. Replace only sont critiques pout le securite. Ne les remplacer que par une piece portant le numero specifie.

  • Page 18: Electrical Parts List

    P900 SECTION 6 ELECTRICAL PARTS LIST • The components identified by in this manual have been carefully factory-selected Note: for each set in order to satisfy regulations regarding X-ray radiation. Should The components identified by shading replacement be required, replace only with and mark are critical for safety.
  • Page 19 P900 Note: Note: The components identified by shading Les composants identifies per un trame et une marque and mark are critical for safety. Replace sont critiques pour la securite. Ne les remplacer only with part number specified. que par une piece portant le numero specifie.
  • Page 20 P900 Note: Note: The components identified by shading Les composants identifies per un trame et une marque and mark are critical for safety. Replace sont critiques pour la securite. Ne les remplacer only with part number specified. que par une piece portant le numero specifie.
  • Page 21 P900 Note: Note: The components identified by shading Les composants identifies per un trame et une marque and mark are critical for safety. Replace sont critiques pour la securite. Ne les remplacer only with part number specified. que par une piece portant le numero specifie.
  • Page 22 P900 Note: Note: The components identified by shading Les composants identifies per un trame et une marque and mark are critical for safety. Replace sont critiques pour la securite. Ne les remplacer only with part number specified. que par une piece portant le numero specifie.
  • Page 23 P900 Note: Note: The components identified by shading Les composants identifies per un trame et une marque and mark are critical for safety. Replace sont critiques pour la securite. Ne les remplacer only with part number specified. que par une piece portant le numero specifie.
  • Page 24 P900 Note: Note: The components identified by shading Les composants identifies per un trame et une marque and mark are critical for safety. Replace sont critiques pour la securite. Ne les remplacer only with part number specified. que par une piece portant le numero specifie.
  • Page 25 P900 Note: Note: The components identified by shading Les composants identifies per un trame et une marque and mark are critical for safety. Replace sont critiques pour la securite. Ne les remplacer only with part number specified. que par une piece portant le numero specifie.
  • Page 26 P900 Note: Note: The components identified by shading Les composants identifies per un trame et une marque and mark are critical for safety. Replace sont critiques pour la securite. Ne les remplacer only with part number specified. que par une piece portant le numero specifie.
  • Page 27 P900 Note: Note: The components identified by shading Les composants identifies per un trame et une marque and mark are critical for safety. Replace sont critiques pour la securite. Ne les remplacer only with part number specified. que par une piece portant le numero specifie.
  • Page 28 P900 Note: Note: The components identified by shading Les composants identifies per un trame et une marque and mark are critical for safety. Replace sont critiques pour la securite. Ne les remplacer only with part number specified. que par une piece portant le numero specifie.
  • Page 29 P900 Note: Note: The components identified by in this manual have been The components identified by shading carefully factory-selected for each set in order to satisfy and mark are critical for safety. regulations regarding x-ray radiation. Should replacement Replace only with part number specified.
  • Page 30 P900 Note: Note: The components identified by shading Les composants identifies per un trame et une marque and mark are critical for safety. Replace sont critiques pour la securite. Ne les remplacer only with part number specified. que par une piece portant le numero specifie.
  • Page 31 P900 Note: Note: The components identified by shading Les composants identifies per un trame et une marque and mark are critical for safety. Replace sont critiques pour la securite. Ne les remplacer only with part number specified. que par une piece portant le numero specifie.
  • Page 32 P900 English 99JS74019-1 Printed in U.S.A. © 1999.9 9-978-861-01 — 44 —...
  • Page 33 P900 SERVICE MANUAL P900 US Model Canadian Model AEP Model AUS Model Japan Model N. Hemisphere Model UK Model Chassis No. SCC-L30M-A CHASSIS CORRECTION-1 SUBJECT: D Board Schematic Correction Correct the service manual as shown. File this Correction with the service manual.
  • Page 34 P900 Section 4: D BOARD SCHEMATIC DIAGRAM PAGE 15 Incorrect Correct : Corrected item NOTE: D634 (cathode side) should connect to C625 (positive side) Sony Corporation English Sony Technology Center 99JJ74017-1 Product Quality Division Printed in USA 9-978-861-91 Service Promotion Department...
  • Page 35 P900 SERVICE MANUAL P900 US Model Canadian Model AEP Model AUS Model Japan Model N. Hemisphere Model UK Model Chassis No. SCC-L30M-A CHASSIS CORRECTION - 2 SUBJECT: Exploded View - Add ITC Assembly, CRT, DY P/N for AUS Model. Add CRT, DY P/N for U/C, AEP, Japan, NH, UK Models Correct the service manual as shown.
  • Page 36 P900 SECTION 5 EXPLODED VIEWS Note: • • Items with no part number and no descrip- Items marked " " are not stocked since tion are not stocked because they are sel- they are seldom required for routine ser- The components identified by shading and dom required for routine service.
  • Page 37 P900 SERVICE MANUAL P900 US Model Canadian Model AEP Model AUS Model Japan Model N. Hemisphere Model UK Model Chassis No. SCC-L30M-A CHASSIS SUPPLEMENT-1 SUBJECT: D Board Schematic Modifications Correct the service manual as shown. File this supplement with the service manual.
  • Page 38 P900 Section 4: D BOARD SCHEMATIC DIAGRAM (Page 16) : Modified item Delete D519 from K-7 area of schematic Add D519 to I-13 area of schematic English 99KS74019-1 Printed in U.S.A. 9-978-861-81 © 1999.11...
  • Page 39 P900 SERVICE MANUAL P900 US Model Canadian Model AEP Model AUS Model Japan Model N. Hemisphere Model UK Model Chassis No. SCC-L30M-A CHASSIS SUPPLEMENT-2 Subject: Exploded View, Parts List and Schematic Supplement (for AEP Model made in UK only) File this supplement with the service manual.
  • Page 40 P900 SECTION 5 EXPLODED VIEWS Note: • • Items with no part number and no descrip- Items marked " " are not stocked since tion are not stocked because they are sel- they are seldom required for routine ser- The components identified by shading and dom required for routine service.
  • Page 41 P900 The components identified with gray shading and a Les composantsidentifies per un trame et une marque critical symbol ( ) are critical for safety. Replace only sont critiques pout le securite. Ne les remplacer with part number specified. que par une piece portant le numero specifie.
  • Page 42 P900 SECTION 6: ELECTRICAL PARTS LIST - Board (AEP Model made in UK only) REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK FERRITE BEAD RESISTOR FB102 1-500-419-21 FERRITE R111 1-249-404-00 CARBON 1/4W FB103 1-500-419-21 FERRITE R117...
  • Page 43 P900 SECTION 6: ELECTRICAL PARTS LIST - Board (AEP Model made in UK only) REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK D1021 8-719-800-76 DIODE MA153-TX CAPACITOR D1022 8719-800-76 DIODE MA153-TX C565 1-163-259-91 CERAMIC CHIP 220PF...
  • Page 44 P900 SECTION 4: H BOARD SCHEMATIC DIAGRAM (Page 21) (AEP Model made in UK only) Delete FB2001, FB2002, FB2003, FB2004 & FB2005 from A-5 & B-5 area of schematic SECTION 6: ELECTRICAL PARTS LIST - Board (AEP Model made in UK only) REF.
  • Page 45 P900 — 7 —...
  • Page 46 P900 English 2000AS7419-1 Printed in U.S.A. © 2000.1 9-978-861-82...

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