AOC L1906 Service Manual
19" LCD Color Monitor HP L1906
Service
Service
Service
Horizontal Frequency
30- 83 kHz
TABLE OF CONTENTS
Description Page Description Page
Table Of Contents.......……..............................…........1
Revision List.…........................................……......2
1. Monitor Specification..............................………........3
2. LCD Monitor Description…………………………….......4
3. Operation Instruction…………...............……...........5
3.1. General Instructions...........................…...........5
3.2. Control Button…………….…..............……...............5
3.3 Adjusting the Picture...........................…............6
4. Input/Output Specification............……………............7
4.1. Input Signal Connector............………….................7
4.2. Factory Preset Display Modes......…..................8
4.3. Power Supply Requirements...............................9
5. Panel Specification.....………………..................10
5.1. General Feature…….....………………..................10
5.2. Optical Characteristics………………………………11
5.3 Parameter guide line for CCFL Inverter……………..12
6. Block Diagram……...................…………................13
6.1. Monitor Exploded View…………………....….......13
6.2 Software Flow Chart……………………….……….14
6.3. Electrical Block Diagram……………..….......16
7. Schematic……………......................................18
7.1 Main Board....……….......................................18
7.2 Power Board.….……....................................22
8.PCB Layout..………….......................................24
8.1. Main Board………........................................24
8.2. Power Board….......................................26
8.3. Key Board………............….......................29
9. Maintainability……….......................................30
9.1. Equipments and Tools Requirement..............30
9.2. Trouble Shooting………..............................31
10. White-Balance, Luminance adjustment...37
11. BOM List….....................................................38
12. Different Parts List.........…….……........................50
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.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
1
19" LCD Color Monitor HP L1906
Revision List
Version Date Revision History TPV Model Name
A00 Apr.-04-2007 first release
A01 May.-08-2007 Add TPVDW Model in Item12 T96GM9DLB1HPNE
A02 May.-23-2007 Add TPVDW Model in Item12
A03 Jul.-05-2007 Add TPVDW Model in Item12 T97SM9DDB1HPNNE
A04 Jul.-21-2007 Add TPVDW Model in Item12
A05 Aug.-10-2007 Add TPVDW Model in Item12
A06 Sep.-04-2007 Add TPVDW Model in Item12
T96HM9DKB1HPNE
T96GM9DKB1HPNE
T96SM9DLB1HPNE
T96SM9DKB1HPNE
T97HM9DKB1HPNNE
T96SM9DBB1HANE
T97HM9DLB1HPNNE
T97HM9DTB1HPNNE
T97HM9DDB1HPNNE
T96HM9DLB1HPNE
T97LM9DDB1HPNNE
T97HM9DTB1HANNE
T97HM9DBB1HANNE
T96GM9DTB1HPNE
A07 Sep.-12-2007 Add TPVDW Model in Item12 T97SM9DBB1HFNNE
A08 Sep.-21-2007 Add TPVDW Model in Item12 T97HM9DAB1HANNE
A09 Oct.-10-2007 Add TPVDW Model in Item12 T97SM9DAB1HANNE
2
19" LCD Color Monitor HP L1906
1. Monitor Specification
3
19" LCD Color Monitor HP L1906
(
2. LCD Monitor Description
The LCD Monitor will contain main board, power board, key board and an audio 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.
Power Board
Include adapter and inverter)
AC-IN
110V-240
Monitor Block Diagram
CCFT Drive.
Main Board
Audio board
Key board
Flat Panel and
CCFL backlight
RS232 Connector
For white balance
adjustment in
factory mode
Video signal, DDC
HOST Computer
4
19" LCD Color Monitor HP L1906
3. Operation Instructions
3.1 General Instructions
Press the power button to turn the monitor on or off. The other control buttons are located at front of the panel. By
changing these settings, the picture can be adjusted to your personal performance.
The power cord should be connected and insert to adaptor.
-
Connect the video cable from the monitor to the computer VGA card.
-
- Press the power button to turn on the monitor, the power indicator will light up to Green.
3.2 Control Buttons
5
19" LCD Color Monitor HP L1906
3.3 Adjust the Picture
Use the On-Screen Display (OSD) to adjust the screen image based on your viewing preferences. To access the OSD,
do the following:
1. If the monitor is not already on, press the Power switch to turn on the monitor.
2. To access the OSD Menu, press the Menu button on the monitor’s front panel.
3. To navigate through the OSD Menu, press the + (Plus) button on the monitor’s front panel to scroll up, or the –
(Minus) button to scroll in reverse.
4. To select an item from the OSD Menu, use the + or – buttons to scroll to and highlight your selection, then press the
Menu button to select that function.
5. Adjust the item using the + or – buttons on the front panel to adjust the scale.
6. After adjusting the function, select Save and Return, or Cancel if you don’t want to save the setting, then select Exit
from the Main Menu.
If the buttons remain untouched for 10 seconds while displaying a menu, new adjustments will be discarded and the
settings will revert to previous settings and exit the menu.
6
19" LCD Color Monitor HP L1906
4. Input/Output Specification
4.1 Input Signal Connector
Pin Signal Pin Signal
1 Red Video 9 +5 V (from PC)
2 Green Video 10 Ground
3 Blue Video 11 Ground
4 Ground 12 DDC-serial Data
5 Detect Cable 13 Horizontal Sync
6 Red GND 14 Vertical Sync
7 Green GND 15 DDC-serial Clock
8 Blue GND
VGA connector layout
PIN 1
PIN 11
PIN 5
7
19" LCD Color Monitor HP L1906
4.2 Factory Preset Display Modes
8
19" LCD Color Monitor HP L1906
4.3 Power Supply Requirements
Parameter Range
AC Line Voltage range 100 to 240V
AC Line Frequency range 47 to 63 Hz
Peak surge Current < 55 A MAX AT 220VAC and cold starting
Leakage Current < 3.5 mA
Power Consumption
≤37W
9
19" LCD Color Monitor HP L1906
5. Panel Specification
5.1 General Feature
Mechanical Information
Absolute Rating of Environment
10
19" LCD Color Monitor HP L1906
5.2 Optical Characteristics
Timing Specifications
Optical Specification
11
19" LCD Color Monitor HP L1906
5.3 Parameter guide line for CCFL Inverter
TFT LCD Module:
Back Light Unit:
12
19" LCD Color Monitor HP L1906
6. Block Diagram
6.1 Monitor Exploded View
13
19" LCD Color Monitor HP L1906
6.2 Software Flow Chart
1
Y
2
N
3
4
5
N
Y
6
N
7
8
Y
9
10
N
11
12
Y
13
N
N
Y
14
15
Y
N
16
Y
17
18
N
19
Y
14
19" LCD Color Monitor HP L1906
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 initialize.
10) In standby mode?
11) Update the lifetime of back light.
12) Check the analog port, are they’re any signals coming?
13) Does the scalar send out an interrupt request?
14) Wake up the scalar.
15) Are there any signals coming from analog port?
16) Display "No connection Check Signal Cable" message. And go into standby mode after the message
disappear.
17) Program the scalar to be able to show the coming mode.
18) Process the OSD display.
19) Read the keyboard. Is the power key pressed?
15
19" LCD Color Monitor HP L1906
Vsy
6.3 Electrical Block Diagram
6.3.1 Scalar Board
EEPROM
(U402)
EPR_SDA
EPR SCL
Panel Interface
(CN101)
Scalar TSUM16AL
(Include ADC、OSD、MCU)
(U401)
RXD
TXD
R
G
B
Hsync,
nc
DDC_SDA
DDC SCL
D-Sub Connector
(CN405)
EEPROM
(U404)
DB15_SDA
DB15 SCL
16
19" LCD Color Monitor HP L1906
6.3.2 Inverter / Power Board
AC inlet filter
Start circuit R905; R909, R910
On/off control
Rectifier and
filter
Switching circuit
PWM control
IC&MOSFET
Start circuit
Transform
OVP circuit
Rectifier and
filter D920;
D921
Feedback
IC902;IC921
circuit
12V/5V
To main board
12V
PWM control IC
Push-pull
circuit
Dimming control
Feedback circuit
LC resonant
Lamp
17
19" LCD Color Monitor HP L1906
7. Schematic
7.1 Main Board
11/21 CN405 #11 change to NC
CN405
1716
11
12
13
14
15
HSI
VSI
D408
MLL5232B 5.6V
D411
MLL5232B 5.6V
DB15
1
6
2
7
3
8
4
9
5
10
RED+
REDGREEN+
GREENBLUE+
BLUE-
PC5V
D406
MLL5232B 5.6V
D409
MLL5232B 5.6V
D412
MLL5232B 5.6V
RED+
GREEN+
BLUE+
PC5V
RED-
GREEN-
BLUE-
3
D403
BAV99
C439 0. 1uF
2
VGA_CON
FB409 150 OHM
1
3
C440 0. 1uF
2
D404
BAV99
FB410 150 OHM
FB411 150 OHM
FB412 150 OHM
3
D405
BAV99
C441 0. 1uF
2
1
R448
2.2K 1/ 10W
C432 0. 047uF
C433 0. 047uF
C434 0. 047uF
C435 0. 001uF
C436 0. 047uF
C437 0. 047uF
C438 0. 047uF
SCL_VGA
SDA_VGA
RIN 2
GIN 2
BIN 2
SOG 2
GNDR 2
GNDG 2
GNDB 2
DET_VGA 2
HSYNC 2
VSYN C 2
R453 47 1/10W
R454 47 1/10W
DDCA_SDA2
DDCA_SCL2
+5V
R470
1K 1/10W
ESD_5V
D425
MLL5232B 5.6V
11/27 D407 change to BAV70(93G-64-42-P)
PC5V
+5VA
1
2
D407
BAV70
3
R451
R450
10K 1/10W
10K 1/10W
R452
10K 1/10W
U404
8
VCC
7
WP
6
SCL
5
SDA
24LC02B/SN G
VSS
A0
A1
A2
C444
0.1uF
1
2
3
4
DDC_WP 2
R434 56 1/10W
R435 56 1/10W
R436 56 1/10W
R437 470 1/10W
R439
R447 1K 1/10W
C443
220pF
75 1/10W
R438
75 1/10W
ESD_5V
1
R446 1K 1/10W
R449
C442
2.2K 1/ 10W
33pF
R440
75 1/10W
R441 100 1/10W
R442 100 1/10W
R443 100 1/10W
+5V
+5V 2, 3
R444
10K 1/10W
R445 100 1/10W
D410
MLL5232B 5.6V
18
Tit le
Size Docum ent N umber Rev
B
Date: Sheet
715G2433-A(L1706 down size)
INPUT
14Thursday , D ecember 07, 2006
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19" LCD Color Monitor HP L1906
AVDD
VPLL VDDC
AVDD_D VI
VMPLL
8
14
VCC3.3
23
RIN1
22
GNDR1
20
GIN1
R490
R489
NC
NC
R494 10 1/10W
DDCA_SDA1
DDCA_SCL1
R495 10 1/10W
11/27 R489/R490 Delete
19
GNDG1
21
SOG1
18
BIN1
17
GNDB1
27
HSYNC1
28
VSYNC1
30
31
98
RIN0P
AVDD_DV I
AVDD_DV I
RIN0N
AVDD_MP LL
GIN0P
GIN0N
SOGIN0
BIN0P
BIN0N
HSYNC0
VSYNC0
DDCA_SD A/RS232_TX
DDCA_SCL/rs232_RX
TSUM16AL-LF PQFP-100
15
REXT
26
REFP
C401
0.1uF
25
REFM
2
37
SDO
1
38
SCZ
6
39
SCK
5
40
SDI
84
RST
XIN
96
XIN
XOU T
97
XOU T
80
XOU T
XIN
BYPASS
52
MOD E[0 ]
53
MOD E[1 ]
R416
10K 1/ 10W
C413
0.1uF
R415
+5V
R486
NC
C417
0.1uF
+5V
C418
10uF/50V
U703
RESET
3
GND
VCC
NC(MAX810STRG)
Re se t Cir cu it
C421 22pF
14.318MHz
C423 22pF
VCC3.3
+
R404
10K 1/ 10W
2
1
X401
VPLL
SST25VF010A-33-4C-SAE
8
VDD
7
HOLD#
3
WP#
VSS4SI
WP
10K 1/ 10W
R487
R491 10 1/10W
R492 10 1/ 10W
R403 390 1/10W
U402
SO
CE#
SCK
10K 1/ 10W
VDDP
56
75
VDDP
VDDP
83
34
VCTRL
VDDC
VDDC66VDDC82VDDC
LVA3P
LVA3M
LVACKP
LVACKM
LVA2P
LVA2M
LVA1P
LVA1M
LVA0P
LVA0M
LVB3P
LVB3M
LVBCKP
LVBCKM
LVB2P
LVB2M
LVB1P
LVB1M
LVB0P
LVB0M
GPIO_P23
GPIO_P22
GPIO_P15/PWM0
PWM2/GPIO_P24
GPIO_P27/PWM1
GPIO_P12
PWM1/GPIO_P25
RSTN
GPIO_P00/ SAR1
GPIO_P01/ SAR2
GPIO_P02/ SAR3
GPIO_P06
GPIO_P07
PWM0/GPIO_P26
GPIO_P13
GPIO_P14
GPIO_P16/PWM2
GPIO_P10/I2C_MCL
GPIO_P11/I 2C_MDA
NC
NC
NC
81
PA0
54
PA1
55
PA2
58
PA3
59
PA4
60
PA5
61
PA6
62
PA7
63
PA8
64
PA9
65
PB0
67
PB1
68
PB2
69
PB3
70
PB4
71
PB5
72
PB6
73
PB7
74
PB8
77
PB9
78
36
45
46
41
42
35
47
48
85
R488 100 1/10W
86
87
88
R418 100 1/10W
89
R420 100 1/10W
90
R411 100 1/10W
91
92
93
94
95
99
44
43
R424
VCC3.3
10K 1/ 10W
PA[0..9]
PA[0..9] 4
PB[0..9]
PB[0..9] 4
DDC_WP 1
C422
0.1uF
NC(10K 1/10W)
R497
Q402
MMBT3904
+5V
R496
C454
NC(0.1uF )
U403
8
VCC
7
WC
6
SCL
5
M24C04-WMN6TP
NC(10K 1/10W )
Volume
MUTE
STANDBY
1
NC
2
E1
3
E2
VSS4SDA
R405
22K 1/ 10W
R406
10K 1/ 10W
DET_VGA 1
on_PANEL 3
WP
on_BACKLIGH T 3
adj_BACKLIGH T 3
R425
10K 1/ 10W
KEY1
KEY2
NC(20K 1/10W)
POWER
R426
10K 1/ 10W
R427 100 1/10W
R428 100 1/10W
R429 100 1/10W
16
24
49
VDDP32VDDP
AVDD_PLL
AVDD_AD C
GND2GND
GND11GND29GND
GND50GND57GND76GND79GND
5
33
U401
51
Option
3.9K 1/10W
KEY2 KEY_MENU
KEY1
VCC1.83
12/07:C403/C408/C418/C450/C453/C717--Change from 67G 2151007RT(105 10UF M 50V)
to 67G 315100 7K(105 10UF M 50V)
+5V
R484
R485
NC(10K 1/10W )
R431
NC(10K 1/10W)
C425
0.1uF
VCC3.3
C429
0.1uF
R474
3.9K 1/10W
D401
UDZS3. 6B
C430
0.1uF
R475
FB401
VCC1.8
600 OHM
10uF/50V
FB403
600 OHM
10uF/50V
R430
NC(10K 1/10W )
R422 4.7K 1/ 10W
R423 4.7K 1/ 10W
R493
10K 1/10W
POWER
D402
UDZS3.6B
C403
C408
VDDPVCC3.3
D413
UDZS3.6B
+
C404
0.1uF
+
C409
0.1uF
R413
10K 1/ 10W
C405
C406
0.1uF
0.1uF
C411
C410
0.1uF
0.1uF
VCC3.3
R414
220 1/10W
Q401
PMBS3906
R421 220 1/10W
R476 1K 1/10W
R477 1K 1/10W
C412
0.1uF
0.1uF
C402
VCC3.3
FB402
600 OHM
C450
10uF/50V
AVDDVDDC
C407
+
0.1uF
VCC3.3
FB405
600 OHM
C416
0.1uF
VPLL
FB406
600 OHM
R408
10K 1/ 10W
LED_G
C428
0.1uF
C419
0.1uF
VMPLLVCC3.3
VCC3.3
C427
0.1uF
R409
220 1/ 10W
Q403
PMBS3906
FB404
600 OHM
R419 220 1/10W
LED_G
LED_A
KEY_LEFT/ AUTO
KEY_RIGH T
C426
0.1uF
10uF/50V
C453
LED_A
1
2
3
4
5
6
7
8
+
CN402
CONN
C414
0.1uF
AVDD_DVIVCC3.3
C415
0.1uF
19
Title
715G2433-A(L1706 down size)
Size Doc ument Number Rev
C
Date: Sheet
SCALER
24Thursday , December 07, 200 6
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19" LCD Color Monitor HP L1906
+5V
CN701
CONN
BL_ON
1
BL_ADJ
2
+5V
3
+5V
4
GND
5
GND
6
+
C710
47uF/25V
+5V
+5V 1,2
C709
0.1uF
11/21 CN701 change type
12/07:C710/C712/C720/C723--Change from 67G405V470 3P(105 47uF M 16V)
to 67G 315470 4K(105 47UF M 25V)
C721
0.1uF
U704 AP1117E18LA
VI3VO
2
GND
1
+
C723
47uF/25V
VCC1.8VCC3.3
VCC1.8 2
C722
0.1uF
11/21 Delete:Q702/D701/D702/R702/R703/R704/C702
ADD:U704/C721/C722/C723
+5V
R711
10K 1/10W
R706 N C
R707 4. 7K 1/10W
BL_ON
BL_ADJ
C711
NC
R708
C708
1uF/25V
10K 1/10W
R710 N C
Q703
MMBT3904
R712 4. 7K 1/10W
R705 4. 7K 1/10W
Q701
MMBT3904
+5V
R701
1K 1/10W
11/22 C708 change to NC/R705 change to Bead(71G 59B121)
+5V
+5VA
D704
SS14
C713
0.1uF
U702
3
VIN
1
ADJ
AP1084K33LA
TO-263
VOUT
2
+
C712
47uF/25V
VCC3.3
C714
0.1uF
on_BACKLIGHT 2
Adj_BACKLI GHT 2
+3V3 +3V3
R717
10K 1/10W
R716
NC(10K 1/ 10W)
on_PANEL2
+5V
R714
10K 1/10W
R725 4.7K 1/ 10W
C718
0.1uF
VLCD
R715
R723
51K 1/10W
Q706
MMBT3904
NC(10K 1/ 10W)
10uF/50V
C715
0.1uF
C717
Q704
AO3401
+
10/11 C715 change linking
VLCD 4
+5V +3V3
R721
0 1/10W
R727
10K 1/10W
GND(TAB)
2
VOUT
TO-252
3
+
C703
NC(47uF /25V)
U701
C701
NC
NC(AI C1185-33PETR)
1
VIN
R722
NC
only for 15" panel
C704
NC
+3V3+5V
Tit le
Size Document Number Rev
B
Date: Sheet
715G2433-A(L1706 down size)
POW ER DC TO DC
34Friday , December 08, 2006
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20
19" LCD Color Monitor HP L1906
PA[0. .9]2
PB[0. .9]2
PA[0..9]
PB[0. .9]
PA0 LVA3P
PA1 LVA3M
PA2 LVACKP RXO0-LVB0M
PA3 LVACKM
PA4 LVA2P
PA5 LVA2M
PA6 LVA1P
PA7 LVA1M
PA8 LVA0P
PA9 LVA0M
LVB3PPB0
LVB3MPB1
LVBCKPPB2
LVBCKMPB3
LVB2PPB4
LVB2MPB5
LVB1PPB6
LVB1MPB7
LVB0PPB8
LVB0MPB9
LVB2M R XO2LVBCKM RXOC-
LVACKM RXEC-
CN101
RXO0+ LVB0P
RXO1+ LVB1P
RXO2+ LVB2P
RXOC+ LVBCKP
RXO3+ LVB3P
RXE0+ LVA0P
RXE1+ LVA1P
RXE2+ LVA2P
RXEC+ LVACKP
RXE3+ LVA3P
C719
0.1uF
VLCD
C720
47uF/25V
2
4
6
8
10
12
14
16
18
20
22
24
11
13
15
17
19
21
23
1
3
5
7
9
+
CONN
RXO1-LVB1M
RXO3-LVB3M
RXE0-LVA0M
RXE1-LVA1M
RXE2-LVA2M
RXE3-LVA3M
21
Tit le
715G2433-A(L1706 down size)
Size Document Number Rev
A
Date: Sheet
PANEL INTERFACE
44Thursday , D ecem ber 07, 2006
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19" LCD Color Monitor HP L1906
7.2 Power Board
R951
3
R900
330K 1/8W
1
+
BD901
2A 600V
2
-
4
2
3
L902
L
1
4
2
3
L901
L
1
4
C909 0.47uF /250V
R901
330K 1/8W
R902
330K 1/8W
3
12
CN901
SOCKET
C902
0.001uF/125V
C901
0.001uF/125V
12
t
2.5A/250V
F901
NR901
5 ohm/8A
GND1
1
GND
HS3 D9 20
1
2
HEAT SINK
+
C907
100uF/450V
C912
0.1uF/50V
0.1uF/50V
IC901
LD7575
7
R911
100K 1/10W
穝
470PF/25V
GND2
1
GND
1
2
HEAT SINK
C916
8
HV
LD7575
N.C
RT1CS
C914
HS4 Q900
R905
10K 1/8W
OUT
GND
COMP
4
2
T901
4
C900
0.0022UF
IC902
PC123FY 2 4P
O
O
2
O
O
1
43
R909
100K 2W
C910
1500pF/1KV
D900
BA159GPT
D901
UF4003PT
+
C911
D910
LL4148WP
R912
10 1/ 8W
10K 1/10W
R913
1K 1/10W
22uF/50V
R915
D911
LL4148WP
N.C Z D901
RLZ27B
1 2
6
VCC
5
3
C913
220pF/50V
R910
7R5 1/ 8W
Q900
FQPF8N60C
1
3 2
R916
0.43 2W
N.C
IC921
Q910
1
PMBS3906
C915
0.1UF/ 25V
3 2
KIA431
12
11
10
86
7
9
12
R954
47 1/8W
R955
47 1/8W
R956
47 1/8W
R952
47 1/8W
R953
47 1/8W
47 1/8W
3
1
3
1
D922
3A/60V
C920
0.001uF/500V
D920
SBT150-10LS
2
2
N.C D921
FMW-2156
C921
0.001uF/500V
R922
470 1/4W
R925
1K 1/10W
C928
0.1uF/50V
R928
1K 1/4W
ZD921
RLZ13B
1 2
D915
R927
1K 1/10W
+
C922
680uF/25V
+
1000uF/16V
LL4148WP
蔼跋
19mm,ㄏノ13x16size
L921
+
C923
+
C924
680uF/25V
680uF/25V
C926
C932
+
1000uF/16V
ZD922
RLZ5.1B
1 2
D916
LL4148WP
R923
10K 1/10W
C929
0.1uF/ 50V
R930
1K 1/10W
RJ901
0 1/8W
3.5UH
L922
R924
3.6K 1/ 10W 1%
R929
2.4K 1/ 10W 1%
+
470UF/25V
3.5UH
C925
+
C927
470UF/25V
R926
33K 1/10W 1%
RJ902
0 1/8W
R931
10K 1/8W
CN902
CONNECTOR
1
2
3
4
5
6
7
8
9
10
F902
0 1/8W
J901
TIN COATED
+12V
ZD920
TPSMP9 1A-E3 DO-220AA
1 2
F903
0 1/8W
ON/OF F
+5V
C931
0.1uF/50V
C930
0.1uF/50V
AOC (Top Victory) Electronics Co., Ltd.
Titl e
Size Document Number Rev
Custom
Date: Sheet
audio 12V
DIM
PWPC1742HDE1(715G 1823-I)
Wednesday , Nov ember 22, 2006
+5V
J902
TIN COATED
J903
TIN COATED
J904
TIN COATED
J905
TIN COATED
J906
TIN COATED
J907
TIN COATED
J908
TIN COATED
J909
TIN COATED
J910
TIN COATED
J911
TIN COATED
of
11
A
22
19" LCD Color Monitor HP L1906
+12V
ON/OFF
+5V
DIM
RJ801
0 1/ 8W
R803
10K 1/ 10W
N.C R806
470 1/ 8W
N.C R838
0 1/8W
R808
10K 1/ 8W
RJ802
R802
300K 1/ 8W
Q801
PMBS3904
1
N.C C801
0.1uF/ 50V
R811
0 1/8W
N.C
N.C
C803
RJ803
0 1/ 10W
R804
32
Q802
1
PMBS3904
32
R812
10K 1/ 10W
C804
2.2uF/25V
10K 1/ 8W
ZD801
RLZ5.6B
R809
1M 1/10W
RJ804
0 1/ 8W
PMBS3904
C805
1000PF/50V
R805
470 1/ 8W
Q803
1
R813
穝糤箂ン
470UF/25V
32
VCC
22 1/ 8W
R810
100K 1/ 10W
1M 1/10W
R807
C811
R814
56K 1/ 10W
C828,C829
+
C806
1UF/25V
N.C C828
0.1uF/ 50V
AM9945
10 1/ 10W
Q805
R842
R818
15 1/ 8W
C812
N.C R839
1500PF/50V
33K 1/ 8W
6
8
D1N7D1N
S1N1G1N2S2P3G2P
IC801
1
DRV1
2
VDDA
3
TIMER
4
DIM
5
ISEN
6
VSEN
7
OVPT
NC18NC2
OZ9938
1000P/50V
D2P5D2P
4
PGND
DRV2
GNDA
SSTCMP
LCT
ENA
N.C C814
CT
10 1/ 10W
16
15
14
13
12
11
10
9
R837
R819
15 1/ 8W
C813
1500PF/50V
PT801
80GL17T-36-DN
5
3
4
1 8
15K 1/ 10W
C830
100PF/50V
1
R815
R816
100K 1/ 10W
0.01uF
C808
C807
1M 1/10W
180K 1/ 10W
R820
7
C816
10PF/3KV
C817
3PF/3KV
R821
100K 1/ 10W
C818
270PF/50V
2
N.C R823
D801
BAV70
3
C831
75K 1/ 10W
100PF/50V
R822
3M / 1/ 2W
R827
3.6K 1/10W 1%
R836
1K 1/ 10W
2
3
1
D802
BAV99
R825
560 1/ 10W
CN801
2
1
33G8021-2D -U
CN802
2
1
33G8021-2D -U
17" R826 390
R817
36K 1/ 10W 1%
N.C R844 39K 1/10W
C819
0.022uF/ 50V
琌
R826
300 1/ 10W 1%
7.5mA
R841
360 1/ 10W 1%
1Mohm brust frequency:400HZ
C809
C810
560PF/50V
0.047UF/ 50V
ohm= 6.5mA
19" R826 300 ohm
=7.5mA
J811
TIN COATED
J812
TIN COATED
J818
TIN COATED
J823
TIN COATED
J814
TIN COATED
J819
TIN COATED
J815
TIN COATED
J820
TIN COATED
J816
TIN COATED
J821
TIN COATED
AOC (Top Victory) Electronics Co., Ltd.
Tit le
2. FOR 17" 4 LAMPS INVERTER
Size Document Num ber Rev
Date: Sheet
PWPC1742HDE1
Wednesday , Nov ember 22, 2006
of
11
J817
TIN COATED
J822
TIN COATED
A
C820
470UF/25V
PT802
80GL19T-36-DN
5
3
4
C822
1500PF/50V
33K 1/ 8W
R828
15 1/ 8W
N.C R840
8
S1N1G1N2S2P3G2P
N.C C815
1000P/50V
6
D1N7D1N
R829
15 1/ 8W
C823
1500PF/50V
Q806
AM9945
D2P5D2P
4
1 8
+
N.C C829
0.1uF/ 50V
23
R830
15K 1/ 10W
C832
100PF/50V
1
7
C825
10PF/3KV
R831
100K 1/ 10W
2
D803
BAV70
3
C826
3PF/3KV
C827
270PF/50V
C833
N.C R833
100PF/50V
75K 1/ 10W
R832
3M / 1/ 2W
R834
3.6K 1/10W 1%
2
1
3
D804
BAV99
R843
1K 1/ 10W
R835
560 1/ 10W
CN803
1
2
33G8021-2D-U
CN804
1
2
33G8021-2D-U
19" LCD Color Monitor HP L1906
8. PCB Layout
8.1 Main Board
24
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