AL1931 Service Guide
Page 1
... ...42 7.10 Test Procedure: ...42 8. INTRODUCTION ...2 1.1 Scope...2 1.2 Description ...2 2. TROUBLESHOOTING ...33 5.1 Main Procedure ...33 6. AL1931(AM939) TFT LCD MONITOR CONTENTS 1. VK-903 Function Control key Board...31 4.1 Description ...31 4.2 Connector and Switch Locations ...31 4.3 ...Vibration and Shock...38 6.2 Package Drop Specification ...38 6.3 Dimension Size and Weight...39 6.4 Gap Spec...39 6.5 Tilt Base Rotation ...41 6.6 Plastic Material...41 6.7 GAP Spec...41 7. ELECTRICAL REQUIREMENTS...3 2.1 Standard Test Conditions ...3 2.2 LCD monitor General specification...3 2.3 LCD ...
... ...42 7.10 Test Procedure: ...42 8. INTRODUCTION ...2 1.1 Scope...2 1.2 Description ...2 2. TROUBLESHOOTING ...33 5.1 Main Procedure ...33 6. AL1931(AM939) TFT LCD MONITOR CONTENTS 1. VK-903 Function Control key Board...31 4.1 Description ...31 4.2 Connector and Switch Locations ...31 4.3 ...Vibration and Shock...38 6.2 Package Drop Specification ...38 6.3 Dimension Size and Weight...39 6.4 Gap Spec...39 6.5 Tilt Base Rotation ...41 6.6 Plastic Material...41 6.7 GAP Spec...41 7. ELECTRICAL REQUIREMENTS...3 2.1 Standard Test Conditions ...3 2.2 LCD monitor General specification...3 2.3 LCD ...
AL1931 Service Guide
Page 25
... W 1kHz 24 Volume Control 500m Vrms 1KHz 500m Vrms 300Hz- 20KHz 500m Vrms 1KHz 500m Vrms 1KHz 500m Vrms 1KHz 500m Vrms 1KHz Min. -10dB Spec. Max. 5 - 500 800 - 6 d B Volume Max.,load 8 Ω - +10d B Volume Max.,load 8 Ω - - -40dB Volume Max.,load 8 Ω 1% except speakers distortion - - -30dB Volume Max.,load 8 Ω...
... W 1kHz 24 Volume Control 500m Vrms 1KHz 500m Vrms 300Hz- 20KHz 500m Vrms 1KHz 500m Vrms 1KHz 500m Vrms 1KHz 500m Vrms 1KHz Min. -10dB Spec. Max. 5 - 500 800 - 6 d B Volume Max.,load 8 Ω - +10d B Volume Max.,load 8 Ω - - -40dB Volume Max.,load 8 Ω 1% except speakers distortion - - -30dB Volume Max.,load 8 Ω...
AL1931 Service Guide
Page 39
... the three axes. Sinusoidal Vibration: 0.75 G zero-to-peak, 10 to 500 Hz, nominal 2 GRMS. The test shall be for monitor product Product Weight height Specs Random Vibration: 0.008 G2/Hz, 10 to 500Hz, 0.5 octave / minute sweep rate.
... the three axes. Sinusoidal Vibration: 0.75 G zero-to-peak, 10 to 500 Hz, nominal 2 GRMS. The test shall be for monitor product Product Weight height Specs Random Vibration: 0.008 G2/Hz, 10 to 500Hz, 0.5 octave / minute sweep rate.
AL1931 Service Guide
Page 40
10 Right Side 1 6.3 Dimension Size and Weight Dimension size 433 (W) x 447 (H) x 235 (D) Net Weight 6.5Kg Gross Weight 9 Kg 6.4 Gap Spec. 6.4.1 The step between front bezel and back cover shall be within specification. Top and Bottom Back cover & Bezel concavity 0.3mm ≤ A ≤ 0.8 mm Left and Right Back cover & Bezel concavity 0.3mm ≤ A ≤ 0.8 mm Back Cover & Hinge Cover concavity 0.4mm ≤ B ≤ 1.2mm LAM939-E01 LAM939-E02 39
10 Right Side 1 6.3 Dimension Size and Weight Dimension size 433 (W) x 447 (H) x 235 (D) Net Weight 6.5Kg Gross Weight 9 Kg 6.4 Gap Spec. 6.4.1 The step between front bezel and back cover shall be within specification. Top and Bottom Back cover & Bezel concavity 0.3mm ≤ A ≤ 0.8 mm Left and Right Back cover & Bezel concavity 0.3mm ≤ A ≤ 0.8 mm Back Cover & Hinge Cover concavity 0.4mm ≤ B ≤ 1.2mm LAM939-E01 LAM939-E02 39
AL1931 Service Guide
Page 42
Power Line Transient Test (IEC 61000-4-4 Fast Transients/Burst) TEST CONDITIONS & PROCEDURE: (Follow IEC 61000-4-4) Test Condition : The condition is 0 mm < gap < 1.5 mm CM870-E18 7. 6.5 Tilt Base Rotation Tilt up 25 ± 2°/ down 5 ±2° 6.6 Plastic Material Front Bezel ABS 94HB Back Cover ABS 94HB The Others ABS 94HB 6.7 GAP Spec. Gap between panel with bezel is base on operating with 50Ω load. 7.1 Peak Voltage: 2 KV (applies the Level 3 typical Industrial Environment" of IEC 61000-4-4) 41
Power Line Transient Test (IEC 61000-4-4 Fast Transients/Burst) TEST CONDITIONS & PROCEDURE: (Follow IEC 61000-4-4) Test Condition : The condition is 0 mm < gap < 1.5 mm CM870-E18 7. 6.5 Tilt Base Rotation Tilt up 25 ± 2°/ down 5 ±2° 6.6 Plastic Material Front Bezel ABS 94HB Back Cover ABS 94HB The Others ABS 94HB 6.7 GAP Spec. Gap between panel with bezel is base on operating with 50Ω load. 7.1 Peak Voltage: 2 KV (applies the Level 3 typical Industrial Environment" of IEC 61000-4-4) 41
AL1931 Service Guide
Page 47
... with visual display terminals (VDTs)-Requirements for office work with visual display terminals (VDTs)-Visual display requirements. REGULATION COMPLIANCE 10.1 This product comply to NUTEK Spec. 803299/94/96, EPA Energy star. Safety: EN60950 EMI: EN55022 class B Harmonics: EN61000-3-2 Voltage Fluctuation/Flicker: EN61000-3-3 Immunity: EN55024 IEC 61000-4-2 Electrostatic Discharge IEC 61000...
... with visual display terminals (VDTs)-Requirements for office work with visual display terminals (VDTs)-Visual display requirements. REGULATION COMPLIANCE 10.1 This product comply to NUTEK Spec. 803299/94/96, EPA Energy star. Safety: EN60950 EMI: EN55022 class B Harmonics: EN61000-3-2 Voltage Fluctuation/Flicker: EN61000-3-3 Immunity: EN55024 IEC 61000-4-2 Electrostatic Discharge IEC 61000...