AOC916S中文维修手册.docx
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AOC916S中文维修手册
AOC-916S-中文维修手册
5.故障处理流程
5.1常见问题解答
出现的问题
可能的解决方案
电源指示灯不亮
*是否开电源
*是否连接电源线
无法实现即插即用
*是否PC与即插即用匹配
*是否显示卡与即插即用匹配
*是否信号线15针D型接头弯曲
图像暗淡
*调节亮度和对比度
图像跳动或出现波纹画面
*可能周边有引起电子干扰的电器设备
电源指示灯亮，但显示器无图像显示
*计算机电源是否已打开
*计算机显卡是否已插好
*是否显示器的信号线已和计算机正确连接
*检查显示器信号线插头并确信各引脚没有弯曲
*通过按PC键盘上的CapsLock键观察指示灯，确认计算机是否在操作。
缺色（红、绿、蓝）
*检查显示器信号线，并确信各引脚没有弯曲
画面不在中间或大小不适
*调整时钟（CLOCK）和聚焦（FOCUS）或按热键（AUTO）.
图像有色差（白色看起来不白）
*调整RGB颜色或重新选择色温
弱的亮度和对比度
*当显示器使用一段时间后，若亮度减少到影响正常使用，请将显示器送到经授权的服务机构进行维修。
画面水平或垂直干扰
*关闭Win95/98/2000/ME/XP,调整CLOCK和FOCUS或执行热键（AUTO键）
5.2不良处理
5.2.1主板
无供电
无画（LED橙色）
白屏
5.2.2电源板
1）无电源
2.）无背光灯
5.2.3按键板
6.电气方框图
主板
电源板
CN902
EMI滤波
桥式整流和滤波
PWM控制ICTEA1530
变压器T901
过压保护
5V整流滤波
交流输入
ON/OFF控制
Q201/Q202
PWM控制ICTL494IDR
反馈回路
输出电路
变压器
MOSFET
Q802、Q803
灯管
ON/OFF
亮度控制
PWM
反馈回路
12V
启动回路:
R904，R932，R933
过压保护
5V
12V整流滤波
7.PCB分布图
7.1主板
7.2电源板
7.3按键板
8.线路图
8.1主板
8.2电源板
8.3按键板
9.爆炸图
1
BEZEL
2
REARCOVER
3
KEYBUTTON
4
POWERLENS
5
STAND
6
BASE
7
CABLECLAMP
8
MAINFRAME
9
NC
10
HINGE
11
POWER/SCALAR/MAINFRAME（M3*6）
12
MAINFRAME/PANEL（M3*6）
13
KEYPCB/MAINFRAME（M3*6）
14
NC
15
HINGE/MAINFRAME（M4*10）
16
REARCOVER/KEYPCB/BEZEL（T3*10）
17
STAND/HINGE（M4*10）
18
NC
10.BOM
T97HMEDDHTA2NG
点位
组件号
对象描述
040G58160811A
GREENDOTLABEL
041G68508A
CONTROLCARD
044G60027166A
PAPERBOARD
044G9003220
CORNERPAPER
044GH6001
HANDLE2
045G773
PEPACKING
050G6004
HANDLE1
052G1185
MIDDLETAPE
052G1186
SMALLTAPE
052G1211A
165MINIUMTAPE
052G1211527
ALUMINUMFOILTAPE
052G60205
PROTECTFILM
E089A
089G725LAADB
D-SUB
E089B
089G414A15NYH
POWERCORD
095G80146D40
HARNESS6P-6P200MM
E095
095G80183X658
LVDSCABLE30P-24P170MM
0M1G1305120
SCREW
0M1G17306120
SCREW
0Q1G9301447CR3
SCREW
705GQ734312
19"LCDSTAND-BASEASS'Y
A34G0289ABJ1B
STAND
A34G0379ABJ1B33
BASE7S6
A37G00315
HINGE
AM1G17401047CR3
SCREW
E750
750GLH90N3A12V
PANELHSD190MEN3A00NJHSD
A15G022263
MAINFRAME
A33G0171ABJ1L
FUNCTIONBUTTON
A33G0173ABJ1L32
CABLECLAMP
A33G018211C
POWERLENS
A34G0297ABJB2B30
BEZEL（L1907-K2-S1）
A34G0298ABJA4B
REARCOVER（19"）
AM1G17401047CR3
SCREW
CBPC7HMEA1Q3
MAINBOARD
CN404
033G38026
WAFER
CN701
033G38029
WAFER9PRIGHTANELEPITCH
CN703
033G802724H
CONNWTOB12P*2P*2.04505-2
040G45762412B
CBPCLABEL
C702
067G215V1014N
KY25VB100M-CC3（6.3*11）
C711
067G305V1004
10UF+-20%25V
C441
067G305V1004
10UF+-20%25V
C426
067G305V1004
10UF+-20%25V
C712
067G305V2203
105摄氏度22UF+-20%16V
C706
067G305V2203
105摄氏度22UF+-20%16V
C708
067G305V2203
105摄氏度22UF+-20%16V
CN401
088G35315FHD
D-SUBCONNFATTACHEDSCREW
X401
093G2253BJ
14.31818MHZ/85C
U401
056G562522
ICTSUM16AWL-LF-1MSTAR
U702
056G56327A
ICAP1117E18LASOT223-3LANACHIP
U701
056G5854A
AP1117E33LA
U406
056G113332
ICM24C04-WMN6TPSO8
U403
056G113384
AF24BC02-S1
U402
056G1133713（LA7MEP9HKQ1）
ICPM25LV010A-100SCESOIC-8
Q702
057G41712T
KEC2N3904S-RTK/PS
Q701
057G41712T
KEC2N3904S-RTK/PS
Q402
057G41712T
KEC2N3904S-RTK/PS
Q404
057G41713T
KEC2N3906S-RTK/PS
Q704
057G41713T
KEC2N3906S-RTK/PS
Q403
057G41713T
KEC2N3906S-RTK/PS
Q703
057G7631
A03401SOT23BYAOS（A1）
R471
061G0402000
RSTCHIPR0OHM+-5%1/16W
R467
061G0402000
RSTCHIPR0OHM+-5%1/16W
R508
061G0402100
RSTCHIPR10OHM+-5%1/16W
R507
061G0402100
RSTCHIPR10OHM+-5%1/16W
R703
061G0402101
RSTCHIPR100OHM+-5%1/16W
R702
061G0402101
RSTCHIPR100OHM+-5%1/16W
R511
061G0402101
RSTCHIPR100OHM+-5%1/16W
R476
061G0402101
RSTCHIPR100OHM+-5%1/16W
R474
061G0402101
RSTCHIPR100OHM+-5%1/16W
R472
061G0402101
RSTCHIPR100OHM+-5%1/16W
R462
061G0402101
RSTCHIPR100OHM+-5%1/16W
R461
061G0402101
RSTCHIPR100OHM+-5%1/16W
R460
061G0402101
RSTCHIPR100OHM+-5%1/16W
R409
061G0402101
RSTCHIPR100OHM+-5%1/16W
R407
061G0402101
RSTCHIPR100OHM+-5%1/16W
R405
061G0402101
RSTCHIPR100OHM+-5%1/16W
R414
061G0402102
RSTCHIPR1KOHM+-5%1/16W
R416
061G0402102
RSTCHIPR1KOHM+-5%1/16W
R422
061G0402102
RSTCHIPR1KOHM+-5%1/16W
R701
061G0402102
RSTCHIPR1KOHM+-5%1/16W
R451
061G0402103
RSTCHIPR10KOHM+-5%1/16W
R449
061G0402103
RSTCHIPR10KOHM+-5%1/16W
R445
061G0402103
RSTCHIPR10KOHM+-5%1/16W
R444
061G0402103
RSTCHIPR10KOHM+-5%1/16W
R421
061G0402103
RSTCHIPR10KOHM+-5%1/16W
R420
061G0402103
RSTCHIPR10KOHM+-5%1/16W
R418
061G0402103
RSTCHIPR10KOHM+-5%1/16W
R411
061G0402103
RSTCHIPR10KOHM+-5%1/16W
R469
061G0402103
RSTCHIPR10KOHM+-5%1/16W
R465
061G0402103
RSTCHIPR10KOHM+-5%1/16W
R457
061G0402103
RSTCHIPR10KOHM+-5%1/16W
R473
061G0402103
RSTCHIPR10KOHM+-5%1/16W
R475
061G0402103
RSTCHIPR10KOHM+-5%1/16W
R477
061G0402103
RSTCHIPR10KOHM+-5%1/16W
R509
061G0402103
RSTCHIPR10KOHM+-5%1/16W
R721
061G0402103
RSTCHIPR10KOHM+-5%1/16W
R708
061G0402103
RSTCHIPR10KOHM+-5%1/16W
R704
061G0402103
RSTCHIPR10KOHM+-5%1/16W
R510
061G0402103
RSTCHIPR10KOHM+-5%1/16W
R710
061G0402103
RSTCHIPR10KOHM+-5%1/16W
R466
061G0402121
RSTCHIP120R1/16W5%
R470
061G0402121
RSTCHIP120R1/16W5%
R446
061G0402200
RSTCHIP20R1/16W5%
R447
061G0402200
RSTCHIP20R1/16W5%
R412
061G0402203
RSTCHIP20K1/16W5%
R413
061G0402222
RSTCHIPR2.2KOHM+-5%1/16W
R415
061G0402222
RSTCHIPR2.2KOHM+-5%1/16W
R456
061G0402223
RSTCHIPR22KOHM+-5%1/16W
R442
061G04023900F
RSTCHIP390R1/16W1%
R723
061G0402392
RSTCHIP3.9K1/16W5%
R724
061G0402392
RSTCHIP3.9K1/16W5%
R725
061G0402392
RSTCHIP3.9K1/16W5%
R417
061G0402470
RSTCHIPR47OHM+-5%1/16W
R419
061G0402470
RSTCHIPR47OHM+-5%1/16W
R501
061G0402470
RSTCHIPR47OHM+-5%1/16W
R505
061G0402470
RSTCHIPR47OHM+-5%1/16W
R410
061G0402471
RSTCHIPR470OHM+-5%1/16W
R464
061G0402472
RSTCHIPR4.7KOHM+-5%1/16W
R468
061G0402472
RSTCHIPR4.7KOHM+-5%1/16W
R705
061G0402472
RSTCHIPR4.7KOHM+-5%1/16W
R709
061G0402472
RSTCHIPR4.7KOHM+-5%1/16W
R711
061G0402513
RSTCHIP51K1/16W5%
R404
061G0402560
RSTCHIP56R1/16W5%
R406
061G0402560
RSTCHIP56R1/16W5%
R408
061G0402560
RSTCHIP56R1/16W5%
R403
061G04027509F
RSTCHIP75OHM1/16W1%
R402
061G04027509F
RSTCHIP75OHM1/16W1%
R401
061G04027509F
RSTCHIP75OHM1/16W1%
FB401
061G0603000
RSTCHIPR0OHM+-5%1/10W
FB402
061G0603000
RSTCHIPR0OHM+-5%1/10W
FB403
061G0603000
RSTCHIPR0OHM+-5%1/10W
R712
061G0603103
RSTCHIPR10KOHM+-5%1/10W
R713
061G1206151
RSTCHIPR150OHM+-5%1/4W
R714
061G1206151
RSTCHIPR150OHM+-5%1/4W
C717
065G040210415
MLCC04020.1UFK16VX5R
C716
065G040210415
MLCC04020.1UFK16VX5R
C715
065G040210415
MLCC04020.1UFK16VX5R
C710
065G040210415
MLCC04020.1UFK16VX5R
C709
065G040210415
MLCC04020.1UFK16VX5R
C707
065G040210415
MLCC04020.1UFK16VX5R
C705
065G040210415
MLCC04020.1UFK16VX5R
C704
065G040210415
MLCC04020.1UFK16VX5R
C455
065G040210415
MLCC04020.1UFK16VX5R
C446
065G040210415
MLCC04020.1UFK16VX5R
C440
065G040210415
MLCC04020.1UFK16VX5R
C439
065G040210415
MLCC04020.1UFK16VX5R
C438
065G040210415
MLCC04020.1UFK16VX5R
C437
065G040210415
MLCC04020.1UFK16VX5R
C436
065G040210415
MLCC04020.1UFK16VX5R
C430
065G040210415
MLCC04020.1UFK16VX5R
C424
065G040210415
MLCC04020.1UFK16VX5R
C403
065G040210415
MLCC04020.1UFK16VX5R
C402
065G040210415
MLCC04020.1UFK16VX5R
C401
065G040210415
MLCC04020.1UFK16VX5R
C429
065G040222031
CHIP22PF50VNPO
C428
065G040222031
CHIP22PF50VNPO
C434
065G040222132
MLCC0402CAP220PFJ50VX7R
C433
065G040222132
MLCC0402CAP220PFJ50VX7R
C412
065G040222132
MLCC0402CAP220PFJ50VX7R
C448
065G0402224A5T
MLCC04020.22UFK10VX
C425
065G0402224A5T
MLCC04020.22UFK10VX
C413
065G0402224A5T
MLCC04020.22UFK10VX
C432
065G040233031
33PF+-50%50VNPO
C411
065G040233031
33PF+-50%50VNPO
C404
065G040247312
CHIP0.047UF16VX7R
C405
065G040247312
CHIP0.047UF16VX7R
C406
065G040247312
CHIP0.047UF16VX7R
C407
065G040247312
CHIP0.047UF16VX7R
C408
065G040247312
CHIP0.047UF16VX7R
C409
065G040247312
CHIP0.047UF16VX7R
C410
065G040247312
CHIP0.047UF16VX7R
C431
065G040247312
CHIP0.047UF16VX7R
C435
065G040247312
CHIP0.047UF16VX7R
C442
065G040247312
CHIP0.047UF16VX7R
C443
065G040247312
CHIP0.047UF16VX7R
C444
065G040247312
CHIP0.047UF16VX7R
C445
065G040247312
CHIP0.047UF16VX7R
FB405
071G56Z601
CHIPBEAD600OHM0805
FB406
071G56Z601
CHIPBEAD600OHM0805
FB407
071G56Z601
CHIPBEAD600OHM0805
FB408
071G56Z601
CHIPBEAD600OHM0805
FB409
071G56Z601
CHIPBEAD600OHM0805
FB404
071G59B121
TB160808B
D412
093G6442P
BAV70SOT23BYPANJIT
D414
093G6432P
LL4148
D401
093G6433P
BAV99
D402
093G6433P
BAV99
D403
093G6433P
BAV99
ZD401
093G39S24T
RLZ5.6BLLDS
ZD402
093G39S24T
RLZ5.6BLLDS
ZD403
093G39S24T
RLZ5.6BLLDS
ZD404
093G39S24T
RLZ5.6BLLDS
ZD405
093G39S24T
RLZ5.6BLLDS
ZD406
093G39S24T
RLZ5.6BLLDS
ZD407
093G39S24T
RLZ5.6BLLDS
D701
093G20042
DIODESR24
715G25781
MAINBOARDPCB
KEPC7AA5
KEYBOARD
CN001
033G38026H
WAFER6PRIGHTANGLEPITCH2.0
SW003
077G6001GCJ
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