Acer V193w Service Guide
Here you can view all the pages of manual Acer V193w Service Guide. The Acer manuals for Notebook are available online for free. You can easily download all the documents as PDF.
Page 11
11
Function Block Diagram
Electrical Characteristics
Page 12
12 Optical Specifications
Page 13
13
Support Timing
Horizontal Vertical
Mode Resolution Total Nominal
Frequency +/- 0.5kHz Sync
Polarity Nominal
Freq.
+/- 1 Hz Sync
Polarity Nominal
Pixel
Clock
(MHz)
640x480@60Hz 800 x 525 31.469 N 59.940 N 25.175
640x480@72Hz 832 x 520 37.861 N 72.809 N 31.500 VGA
640x480@75Hz 840 x 500 37.500 N 75.00 N 31.500
800x600@56Hz 1024 x 625 35.156 N/P 56.250 N/P 36.00 0
800x600@60Hz 1056 x 628 37.879 P 60.317 P 40.000
800x600@72Hz 1040 x 666...
Page 14
14
Monitor Block Diagram
The LCD MONITOR will contain a main board, a power board, and key board which house the flat panel control logic,
brightness control logic and DDC.
The power board will provide AC to DC Inverter volt age to drive the backlight of panel and the main board chips
each voltage.
Inverter Board
(include adapter)
Flat Panel and
CCFL backlight
Main Board
Key board Input :
D-SUB...
Page 15
15
Main Board Diagram
Scalar IC TSUM1PFR-LF
(Include MCU ,ADC, OSD) (U401)
D-Sub
Connector (CN101)
H sync
V sync
RGB
LCD Interface (CN403)
Key Board Control
(CN401)
Crystal (X401)
14.31818MHZ
Page 16
16
Software Flow Chart
N
Y
1
2
N
Y
5
Y N
10
Y N
12
Y
N
7
Y
N
6
4
3
8
9
14
11
13
Y
N
15
Y N
16
17
19
Y
N
18
Page 17
17 Remark: 1) MCU initializes. 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. 12) Check the analog port, are there any signals co ming?...
Page 18
18
Main Board Layout
Symbol Description Symbol Description
U401 IC TSUM1PFR-LF CN401 WAFER 6PIN
U404 IC AP1117D33LA TO252-3L ATC CN404 WAFER 9P RIG HT ANELE PITCH
U103 IC AZC099-04S SOT23-6L CN403 CONNECTOR
U102 IC AZC099-04S SOT23-6L X401 14.31818MHZ/32PF/4 9US
U402 SST25LF020A-33-4C-SAE CN101 D-SUB 15PIN
Page 19
19 Installation To install the monitor on your host system, please follow the steps below: Steps 1 Connect the video cable A ： Make sure both the monitor and computer are switche d off. B ： Connect the VGA video cable to the computer. 2 Connect the power cord Connect the power cord to the monitor, then to a pr operly grounded AC outlet. 3 Turn on the monitor and computer Turn on the monitor first, then the computer. This sequence is very important. 4 If the monitor does not function...
Page 20
20
Attaching/Removing the Base
Attaching:
Align the release button on the bottom of the monit or with the corresponding slots on the bottom of the base.
Removing:
Press the release button as indicated, then pull in the direction of the arrow to remove the base.