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GDM-F500/F500T9
GDM-F500
SERVICE MANUAL
US Model
Canadian Model
REVISED
AEP Model
Chassis No. SCC-L03C-A
GDM-F500T9
AEP Model
Chassis No. SCC-L03CA
N3P CHASSIS
SPECIFICATIONS
TRINITRON® COLOR GRAPHIC DISPLAY
MICROFILM
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GDM-F500/F500T9 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. Check the entire board surface for solder ing a return to chassis, must not exceed 0.5 mA (500 splashes and bridges. mic
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GDM-F500/F500T9 POWER SAVING FUNCTION This monitor meets the power-saving guidelines set by VESA, * Figures reflect power consumption when no USB compatible peripherals are connected to the monitor. ENERGY STAR, and NUTEK. If the monitor is connected to a **When your computer enters the “active off” mode, the input signal is computer or video graphics board that is DPMS (Display Power cut and NO INPUT SIGNAL appears on the screen. After the time set Management Signaling) compliant, the mo
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GDM-F500/F500T9 TIMING SPECIFICATION MODE AT PRODUCTION MODE 1 MODE 2 MODE 3 MODE 4 MODE 5 RESOLUTION 738 X 414 1600 X 1200 1800 X 1440 1800 X 1350 1364 X 1201 CLOCK 28.322 MHZ 229.500 MHZ 299.436 MHZ 299.000 MHZ 195.500 MHZ — HORIZONTAL — H-FREQ 31.469 kHz 106.250 kHz 120.740 kHz 120.565 kHz 106.250 kHz usec usec usec usec usec H. TOTAL 31.777 9.412 8.282 8.294 9.412 H. BLK 5.720 2.440 2.271 2.274 2.435 H. FP 0.318 0.279 0.668 0.669 0.276 H. SYNC 3.813 0.837 0.481 0.482 0.839 H. BP 1.589 1.32
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GDM-F500/F500T9 TABLE OF CONTENTS Section Title Page 1. GENERAL ................................................................. 1-1 2. DISASSEMBLY 2-1. Cabinet Removal ............................................... 2-1 2-2. D Board Removal .............................................. 2-1 2-3. G Board Removal .............................................. 2-2 2-4. A Board Removal .............................................. 2-2 2-5. L Board Removal .......................................
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1-1 The operating instructions mentioned here are partial abstracts SECTION 1 from the Operating Instruction Manual. The page numbers of the Operating Instruction Manual remain as in the manual. GENERAL Use of the tilt-swivel Precautions Identifying parts and controls This monitor can be adjusted within the angles shown below. To turn the monitor vertically or horizontally, hold it at the bottom Warning on power connections See the pages
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1-2 x Connecting to a Macintosh or compatible Step 2:Connect the power cord Step 3:Turn on the monitor and computer Setup computer With the monitor and computer switched off, first connect the Use the supplied Macintosh adapter. Before using your monitor, check that the following accessories power cord to the monitor, then connect it to a power outlet. First turn on the monitor, then turn on the computer. are included in your carton: • Power cord (1) R G B
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1-3 Connecting Universal Serial Bus Selecting the on-screen menu Selecting the input signal Automatically sizing and centering (USB) compliant peripherals language (LANG) the picture You can connect two computers to this monitor using the HD15 and BNC connectors. To switch between the two computers, use Your monitor has one upstream and four downstream USB English, French, German, Spanish, Italian, and Japanese versions You can easily adjust the pi
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1-4 x Using the joystick 6 SCREEN (page 13) SCREEN Adjusting the brightness and Select the SCREEN menu to adjust Customizing Your Monitor 1 Select the menu you want to adjust. the picture’s quality. You can adjust contrast TOP BOT Move the joystick up, down, left, or right to highlight the You can make numerous adjustments to your monitor using the the vertical and horizontal 26 ADJ desired menu. Press the joystic
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1-5 Select To Adjusting the shape of the picture Adjusting the color of the picture Adjusting the quality of the picture turn the moire cancellation function (GEOM) (COLOR) (SCREEN) CANCEL MOIRE* ON or OFF ADJ (MOIRE ADJUST) appears The GEOM settings allow you to adjust the rotation and shape of The COLOR settings allow you to adjust the picture’s color The SCREEN settings allow you to
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1-6 Additional settings (OPTION) Resetting the adjustments Technical Features Troubleshooting You can manually degauss (demagnetize) the monitor, change the This monitor has the following three reset methods. Use the Before contacting technical support, refer to this section. menu position, set the power saving delay time, and lock the RESET button to reset the adjustments. controls. Preset and user mode
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1-7 Symptom Check these items Trouble symptoms and remedies Picture is ghosting • Eliminate the use of video cable extensions and/or video switch boxes. If the problem is caused by the connected computer or other equipment, please refer to the connected equipment’s instruction manual. • Check that all plugs are firmly seated in their sockets. Use the self-diagnosis function (page 18) if the following recommendations do not resolve th
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1-8 Self-diagnosis function Specifications This monitor is equipped with a self-diagnosis function. If there is a problem with your monitor or computer(s), the screen will go GDM-F400 blank and the 1 (power) indicator will either light up green or CRT 0.22 mm aperture grille pitch flash orange. If the 1 (power) indicator is lit in orange, the 19 inches measure
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GDM-F500/F500T9 SECTION 2 DISASSEMBLY 2-1. CABINET REMOVAL 3 Four screws (+ BVTP 4 x 16) 1 Screw cover 5 Four screws (+ BVTT 4 x 8) 6 Two screws (+ BVTT 4 x 8) 7 Top cover 2 Screw cover 4 Cabinet 8 Three screws (+ BVTT 4 x 8) 9 Video shield Attachment 2-2. D BOARD REMOVAL 4 Two screws (+ BVTP 3 x 10) 1 Screw (+ BVTT 4 x 8) 5 D board 2 Two screws (+ BVTT 4 x 8) B GND A Three hooks Side cover (D) assembly 3 Open the D block in the direction of the arrow and remove of A the arrow . B 2
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GDM-F500/F500T9 2-3. G BOARD REMOVAL 4 Two screws (+ BVTP 3 x 10) 1 Screw (+ BVTT 4 x 8) 5 G shield 2 Two screws (+ BVTT 4 x 8) 6 Two screws (+ BVTP 3 x 10) GND B 7 Screw (+ P 3.5 x 20) 9 G board GND A Three hooks Side cover (G) assembly 3 Open the G block in the direction 8 Two printed circuit board holders of the arrow A and remove of the arrow B . 2-4. A BOARD REMOVAL 3 A board (2/2) Two screws (+BVTT 4 x 8) Rear shield assembly 1 Three screws (+BVTT 4 x 8) 2 A board (1/2) 2-2
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GDM-F500/F500T9 2-5. L BOARD REMOVAL CN5001 CN5004 CN5002 CN5003 2 L board 1 Four printed circuit board holders 2-6. SERVICE POSITION CAUTION : SHORT D,G boards Rear shield If the claw is hooked, opening and closing the board is impossible. Do not try to do it by force. D board (Refer to 2-2. ) A board (Refer to 2-4. ) If the claw is hooked, opening and closing the board is impossible. G board Do not try to do it by force. (Refer to 2-3.) 2-3
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GDM-F500/F500T9 2-7. H1, H2 AND J BOARDS REMOVAL 1 Four screws (Tapping screw 5) 5 Two screws (+ BVTP 3 x 10) 6 H2 board Claw 7 Claw CN891 CN801 8 J board Claw 3 Two screws (+ BVTP 3 x 10) Knob 4 H1 board 2 Bezel assembly 2-8. US BOARD REMOVAL 5 US board 2 Stand cover 3 Six screws (+ BVTP 3 x 10) 4 Shield case Claw Cushion CN2601 1 Three screws (+ BVTP 3 x 10) 2-4
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GDM-F500/F500T9 2-9. PICTURE TUBE REMOVAL 1 Open the D block (Refer to 2-2.) 6 Four screws (+ BVTT 4 x 8) 4 Three connectors GND (DY) 6P (DY) 3 A board 10P (DY) 5 Anode cap 2 Open the G block (Refer to 2-3.) EMI spring (4) 8 Neck assembly 9 Deflection yoke 7 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. • REMOVING PROCEDURES c b a Anode Button 1
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GDM-F500/F500T9 2-10. HARNESS LOCATION H1 board H2 board CN802 CN801 CN803 Stand assembly J board CN891 CN2601 US board Picture tube CN671 CN672 CN690 CN901 CN5003 CN5004 CN5002 CN5001 CN604 CN501 CN509 FBT D board G board L board Rear shield AC inlet I/O terminal board assembly CN409 CN408 CN402 CN401 A board 2-6 CN673 CN605 CN603 CN403 CN407 CN405 CN406 CN510 CN503 CN504 CN520 CN511 CN506 CN513 CN512 CN508 CN502
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GDM-F500/F500T9 SECTION 3 SAFETY RELATED ADJUSTMENT When replacing or repairing the shown below table, the d) Beam Current Protector Circuit Check-1 following operational checks must be performed as a (Hardware) safety precaution against X-rays emissions from the unit. Connect a variable resistor (20 kΩ or more) and an am- meter in series between pin !Á of T901 (FBT) and –15 Part Replaced (]) V line. Decrease gradually the resistance of the vari- HV Regulator G Board IC901, T901 able resisto
