Service manual

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15.6" LCD Color Monitor AOC 1619Swa

Service

Horizontal Frequency

30-60 kHz

TABLE OF CONTENTS

Description Page Description Page

SAFETY NOTICE

ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS

AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING

ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.

Table Of Contents…………………………………………...1

Revision List………………………………………………....2

Important Safety Notice.…….........................……...... 3

1. Monitor Specification..............................…………........4

2. LCD Monitor Description…………………………….......6

3. Operation Instructions....................................…...........7

3.1. General Instructions...........................…....................6

3.2. Control Button…………………………….…...............6

3.3 Adjusting the Picture...........................…..............8

4. Input/Output Specification............……………............12

4.1. Input Signal Connector............………….................12

4.2. Factory Preset Display Modes......…..................13

4.3. Panel Specification.....………………..................14

5. Block Diagram….........................................................16

5.1 Software Flow Chart………………………….……….16

5.2.Electrical Block Diagram…………………….......18

6. Schematic……………..............................................20

6.1 Main Board....……….............................................20

6.2 Power Board………………………………………....25

6.3 Key Board…………………...….……………………27

7. PCB Layout..………….............................................28

7.1. Main Board………................................................28

7.2. Power Board….....................................................30

7.3. Key Board….........................................................31

8. Maintainability………...............................................32

8.1.Equipments and Tools Requirement......................32

8.2.Trouble Shooting………........................................33

9. White-Balance, Luminance adjustment………..…...39

10. Monitor Exploded View…………………….…........41

11. BOM List…............................................................42

12.Different Parts List……………………………………58

CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

R FOR TH

UNIT WHEN S

Summary of content (51 pages)

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5.6" LCD Color Monitor AOC 1619Swa Service Service Service Horizontal Frequency 30-60 kHz TABLE OF CONTENTS Description Page Description Page Table Of Contents…………………………………………...1 6. Schematic……………..............................................20 Revision List………………………………………………....2 6.1 Main Board....……….............................................20 Important Safety Notice.…….........................……...... 3 6.2 Power Board………………………………………....25 1. Monitor Specification.......................
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15.6" LCD Color Monitor AOC 1619Swa Revision List Version Date Revision History TPV Model Name A00 Apr.
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15.6" LCD Color Monitor AOC 1619Swa Important Safety Notice Proper service and repair is important to the safe, reliable operation of all AOC Company Equipment. The service procedures recommended by AOC and described in this service manual are effective methods of performing service operations. Some of these service operations require the use of tools specially designed for the purpose. The special tools should be used when and as recommended.
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15.6" LCD Color Monitor 1. Monitor Specification AOC 1619Swa Model number 1619Swa Driving system TFT Color LCD Viewable Image Size 395mm diagonal Pixel pitch 0.252mm(H) x 0.252mm(V) Video R, G, B Analog interface Separate Sync. H/V TTL Display Color 16.7M Colors Dot Clock 85.5 MHz Horizontal scan range 30 kHz - 60 kHz Horizontal scan Size(Maximum) 344.232mm Vertical scan range 55 Hz - 75 Hz Vertical scan Size(Maximum) 193.
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15.
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15.6" LCD Color Monitor 2. LCD Monitor Description AOC 1619Swa The LCD Monitor will contain main board, power board, key board which house the flat panel control logic, brightness control logic and DDC. The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage. Monitor Block Diagram Flat Panel and CCFT Drive.
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15.6" LCD Color Monitor 3. Operation Instructions AOC 1619Swa 3.1 General Instructions Press the power button to turn the monitor on or off. The control buttons are located at front panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences. - The power cord should be connected. - Connect the video cable from the monitor to the video card. - Press the power button to turn on the monitor, the power indicator will light up. 3.
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15.6" LCD Color Monitor AOC 1619Swa 3.3 Adjusting the Picture OSD Settings 1) Press the MENU-button to activate the OSD window. 2) Press- or + to navigate through the functions. Once the desired function is highlighted, press the MENU-button to activate sub-menu. Once the desired function is highlighted, press MENU-button to activate it. 3) Press- or +to change the settings of the selected function. Press - or + to select another function in sub-menu . Press AUTO to exit.
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15.6" LCD Color Monitor AOC 1619Swa OSD functions Luminance Adjust Range Description Brightness 0-100 Backlight Adjustment Contrast 0-100 Contrast from Digital-register.
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15.6" LCD Color Monitor AOC 1619Swa Recall Normal Color Temperature Normal from EEPROM. 7300K Recall Cool Color Temperature Cool from EEPROM. 9300K Recall SRGB Color Temperature sRGB User from EEPROM. User-R Red Gain from Digital-register User-G Green Gain Digital-register.
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15.
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15.6" LCD Color Monitor 4. Input/Output Specification AOC 1619Swa 4.
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15.6" LCD Color Monitor AOC 1619Swa 4.2 Factory Preset Display Modes STAND HORIZONTAL VERTICAL FREQUENCY(KHZ) FREQUENCY(Hz) RESOLUTION VGA 640×480 @60Hz 31.469 59.940 VGA 640×480 @67Hz 35.000 66.667 VGA 640×480 @72Hz 37.861 72.809 VGA 640×480 @75Hz 37.500 75.000 Dos-mode 720×400 @70Hz 31.469 70.087 SVGA 800×600 @56Hz 35.156 56.250 SVGA 800×600 @60Hz 37.879 60.317 SVGA 800×600 @72Hz 48.077 72.188 SVGA 832×624 @75Hz 46.875 75.000 Mac-mode 832×624 @75Hz 49.725 74.
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15.6" LCD Color Monitor 4.3. Panel Specification AOC 1619Swa 4.3.1 General Feature M156B1-L01 is a 15.6” TFT Liquid Crystal Display module with 2 CCFL Backlight unit and 30pin 1ch-LVDS interface. This module supports 1366 x 768 WXGA mode and can display up to 16.7M colors. The inverter module for Backlight is not built in. 4.3.
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.6" LCD Color Monitor AOC 1619Swa 4.3.3 Electrical Characteristics TFT Module Back-light Note (1) Permanent damage might occur if the module is operated at conditions exceeding the maximum values. Note (2) Specified values are for lamp (Refer to 3.2 for further information). Note (3) The frequency range can guarantee the optical and electrical characteristics. Note (4) The frequency range will not effect the Lifetime and reliability characteristics.
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15" LCD Color Monitor 5. Block Diagram AOC 1619Swa 5.
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15.6" LCD Color Monitor AOC 1619Swa REMARK: 1) MCU initialize. 2) Is the EEprom blank? 3) Program the EEprom by default values. 4) Get the PWM value of brightness from EEprom. 5) Is the power key pressed? 6) Clear all global flags. 7) Are the AUTO and SELECT keys pressed? 8) Enter factory mode. 9) Save the power key status into EEprom. Turn on the LED and set it to green color. Scalar initializes. 10) In standby mode? 11) Update the lifetime of back light.
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15.6" LCD Color Monitor AOC 1619Swa 5.2 Electrical Block Diagram Main Board Crystal 14.
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15.
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15.6" LCD Color Monitor 6. Schematic AOC 1619Swa 6.1 Main Board TSUM1PFR SCHEMATIC XGA/SXGA DSUB_5V CMVCC1 DSUB_5V VCC3.3 ESD_VCC CMVCC1 LVDS OUTPUT DSUB_R+ DSUB_RDSUB_G+ DSUB_GDSUB_SOG DSUB_B+ DSUB_BDSUB_H DSUB_V DDC1_SDA DDC1_SCL DET_CABLE DSUB_R+ DSUB_RDSUB_G+ DSUB_GDSUB_SOG DSUB_B+ DSUB_BDSUB_H DSUB_V DDC1_SDA DDC1_SCL DET_CABLE VCC1.8 VCC3.3 VCC1.8 CMVCC VCC3.3 CMVCC1 CMVCC CMVCC1 VCC3.3 ESD_VCC 02.Input VCC1.8 CMVCC VCC3.3 PA[0..1] PA[0..1] DSUB_5V VCC1.
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15.6" LCD Color Monitor AOC 1619Swa H_Sy nc V_Sy nc R101 0R05 1/10W 5% R102 100R 1/16W 5% R103 100R 1/16W 5% DSUB_H DSUB_V VGA_B+ VCC3.3 R105 2K2 1/16W 5% 5 5 FB102 R104 1 R106 C102 C103 2K2 1/16W 5% 22pF 22pF DSUB_B+ 5 100R 1/16W 5% C104 R107 75R 1/16W 5% R120 C101 2 BEAD R121 0.
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15.6" LCD Color Monitor AOC 1619Swa AVDD VDDP VDDC 13 12 10 9 11 8 7 16 17 18 19 DSUB_R+ DSUB_RDSUB_G+ DSUB_GDSUB_SOG DSUB_B+ DSUB_BDSUB_H DSUB_V DDC1_SDA DDC1_SCL 30 53 4,7 VDDC VDDC VDDP 6 RIN0P RIN0M GIN0P GIN0M SOGIN0 BIN0P BIN0M HSY NC0 VSY NC0 DDCA_SDA/RS232_TX DDCA_SCL/rs232_RX AVDD_ADC 4 4 4 4 4 4 4 4 4 4 4 51 VCC3.3 U401 VCTRL LVA3P LVA3M 52 33 34 VCTRL 35 36 37 38 39 40 PA[0..1] PA4 PA5 PA6 PA7 PA8 PA9 VCC1.8 PA[4..9] PB[0..9] 4 R403 390 OHM 1/16W AVDD 15 VCC3.3 C401 0.
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15.6" LCD Color Monitor AOC 1619Swa PANEL_VCC CN403 5 PA[0..1] PA[0..1] 5 PB[0..9] PB[0..9] PA0 PA1 5 PA[4..9] PB0 PB1 PB2 PB3 PB4 PB5 PB6 PB7 PB8 PB9 PA[4..9] PA4 PA5 PA6 PA7 PA8 PA9 R434 C420 330 OHM 1/4W 0.1uF/16V PA0 PA1 PB2 PB3 PA4 PA5 PA6 PA7 PA8 PA9 PB0 PB1 PB2 PB3 3D 1 G CMVCC CMVCC R435 R433 C419 10K 1/16W 5% 0.
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15.6" LCD Color Monitor AOC 1619Swa ESD_VCC 4 D403 DSUB_5V 3 CMVCC DSUB_5V 4 1 CMVCC 2 5,6 VCC3.3 VCC3.3 D401 NC 1 2 CN404 BAT54C VCC3.3 R437 R439 10K 1/16W 5% 10K 1/16W 5% CMVCC CMVCC BKLT-VBRI BKLT-EN C_PANEL_INDEX Volume Mute D402 SM340A R450 NC NC 3 CMVCC1 1 2 3 4 5 6 7 8 9 CMVCC1 5 BKLT-EN PANEL_ID# 5 VCC1.8 Q410 KN2907AS R449 Q406 2N3904S-RTK/PS NC VCC1.8 C425 Mute 5 Q409 KN2907AS on_BACKLIGHT 5 NC 5 R440 4K7 1/16W 5% VCTRL C432 0.
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15.6" LCD Color Monitor AOC 1619Swa 6.
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15.6" LCD Color Monitor AOC 1619Swa 6.
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15.6" LCD Color Monitor 7. PCB Layout AOC 1619Swa 7.
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15.6" LCD Color Monitor AOC 1619Swa 7.
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15.6" LCD Color Monitor AOC 1619Swa 7.
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15.6" LCD Color Monitor 8. Maintainability AOC 1619Swa 8.1 Equipments and Tools Requirement 1. Multi-meter. 2. Oscilloscope. 3. Pattern Generator. 4. DDC Tool with and Compatible Computer. 5. Alignment Tool. 6. LCD Color Analyzer. 7. Service Manual. 8. User Manual.
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15.6" LCD Color Monitor AOC 1619Swa 8.2 Trouble Shooting 8.2.1 Main Board No power No power Press power key and look if the picture is normal NG Please reinsert and make sure the AC of 100-240 is normal NG OK Reinsert or check the Adapter/Inverter section Measure C423 (+) =1.8V U404 PIN2=3.
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15.6" LCD Color Monitor AOC 1619Swa No picture (LED orange) No picture The button if under control NG Replace the key button OK Measure C423 (+) =1.8V U404 PIN2=3.
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15.6" LCD Color Monitor AOC 1619Swa White screen White screen NG Measure Q404 base X401 oscillate waveform is normal is low level? OK NG OK Check Q405 is broken or Check reset circuit of C421 solder? U401 is normal NG NG Check Correspondent component. OK OK Replace U401 Replace PANEL 35 Replace X401 Check Correspondent component.
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15.6" LCD Color Monitor AOC 1619Swa 8.2.
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15.6" LCD Color Monitor AOC 1619Swa 2.
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15.6" LCD Color Monitor AOC 1619Swa 8.2.
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15.6" LCD Color Monitor 9. White- Balance, Luminance Adjustment AOC 1619Swa Approximately 30 minutes should be allowed for warm up before proceeding white balance adjustment.
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15.6" LCD Color Monitor AOC 1619Swa 5. Adjust the GREEN on factory window until chroma 7120 indicator reachedthe value G=100 6. Adjust the BLUE on factory window until chroma 7120 indicator reached the value B=100 7. Repeat above procedure (item 4, 5, 6) until chroma 7120 RGB value meet the tolerance =100±2 C. Adjust Cool (9300K) color-temperature 1. Switch the Chroma-7120 to RGB-Mode (with press “MODE” button) 2. Switch the MEM. Channel to Channel 9 (with up or down arrow on chroma 7120) 3.
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15.6" LCD Color Monitor 10.
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15.6" LCD Color Monitor 11. BOM List AOC 1619Swa T68MM5NQWKA26N Location E07801 Part No.
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15.
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15.6" LCD Color Monitor CN802 AOC 1619Swa 033G8021 2E F WAFER 051G GLUE_RTV 6 4503 IC902 056G 139 3A IC PC123Y22FZ0F IC601 056G 616 34 IC APA2069JITUL 2.6W*2 PDIP-16 NR901 061G 8 OHM NCT 58080 WT R908 061G152M10452T RST MOFR 100KOHM +-5% 2WS C904 063G 10722410S CAP 0.22UF 275VAC C908 063G 10722410S CAP 0.
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15.6" LCD Color Monitor AOC 1619Swa U402 056G1133 81(WA8MRT5MAQ1) SST25LF020A-33-4C-SAE Q404 057G 417 6 PMBS3906/PHILIPS-SMT(06) Q406 057G 417 12 T KEC 2N3904S-RTK/PS Q408 057G 417 12 T KEC 2N3904S-RTK/PS Q410 057G 417 22 T TRA KN2907AS -60V/-0.6A SOT-23 Q409 057G 417 22 T TRA KN2907AS -60V/-0.
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15.6" LCD Color Monitor AOC 1619Swa R439 061G0402103 RST CHIPR 10 KOHM +-5% 1/16W R447 061G0402103 RST CHIPR 10 KOHM +-5% 1/16W R433 061G0402103 RST CHIPR 10 KOHM +-5% 1/16W R437 061G0402103 RST CHIPR 10 KOHM +-5% 1/16W R436 061G0402104 RST CHIPR 100 KOHM +-5% 1/16W R410 061G0402121 RST CHIP 120R 1/16W 5% R414 061G0402121 RST CHIP 120R 1/16W 5% R409 061G0402203 RST CHIP 20K 1/16W 5% R106 061G0402222 RST CHIPR 2.2 KOHM +-5% 1/16W R105 061G0402222 RST CHIPR 2.
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15.6" LCD Color Monitor AOC 1619Swa C103 065G0402220 31 CHIP 22PF 50V NPO C102 065G0402220 31 CHIP 22PF 50V NPO C408 065G0402224 17 CAP CER 0.22UF -20%-80% C101 065G0402473 12 CHIP 0.047UF 16V X7R C105 065G0402473 12 CHIP 0.047UF 16V X7R C106 065G0402473 12 CHIP 0.047UF 16V X7R C107 065G0402473 12 CHIP 0.047UF 16V X7R C109 065G0402473 12 CHIP 0.047UF 16V X7R C110 065G0402473 12 CHIP 0.047UF 16V X7R C113 065G0402473 12 CHIP 0.
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15.6" LCD Color Monitor AOC 1619Swa R933 061G1206304 RST CHIPR 300K OHM +-5% 1/4W R909 061G1206519 RST CHIPR 5.1 OHM +-5% 1/4W R900 061G1206684 RST CHIPR 680K OHM +-5% 1/4W R901 061G1206684 RST CHIPR 680K OHM +-5% 1/4W R902 061G1206684 RST CHIPR 680K OHM +-5% 1/4W C610 065G0603101 31 CER1 0603 NP0 50V 100P PM5 R C611 065G0603101 31 CER1 0603 NP0 50V 100P PM5 R C932 065G0603102 32 1000PF +-10% 50V X7R C842 065G0603103 32 CAP CHIP 0603 0.
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15.6" LCD Color Monitor AOC 1619Swa ZD906 093G 39S 20 T RLZ22B LLDS ZD923 093G 39S 24 T RLZ 5.6B LLDS ZD922 093G 39S 25 T RLZ5.