Lenovo LXM-L19BH User manual

Lenovo LXM-L19BH
Page 1 of 44
SERVICE MANUA
L
LXM-L19BH
THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY.EVERY REASONABLE
EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL; WE CANNOT
GUARANTEE THE ACCURACY OFTHIS INFORMATION AFTER THE DATE OF PUBLICATION AND
DISCLAIMS RELIABILITY FOR CHANGES, ERRORS OR OMISSIONS.
MANUFACTURE DATA ：May-24-2005
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TABLE OF CONTENTS
1. MONITOR SPECIFICATIONS ..................................................................................................................................... 5
2. LCD MONITOR DESCRIPTION .................................................................................................................................. 6
3. OPERATING INSTRUCTIONS .................................................................................................................................... 7
3.1 GENERAL INSTRUCTIONS................................................................................................................................... 7
3.2 CONTROL BUTTON............................................................................................................................................... 7
3.2 ADJUSTING THE PICTURE................................................................................................................................... 8
4. INPUT/OUTPUT SPECFICATION ............................................................................................................................... 9
4.1 15 -PIN D-SUB SIGNAL ......................................................................................................................................... 9
4.2 FACTORY PRESET DISPLAY MODES：............................................................................................................ 10
4.3 POWER SUPPLY (ROOM TEMPERATURE 25℃±4℃) ....................................................................................... 10
4.4 PANEL SPECIFICATION .......................................................................................................................................11
5. BLOCK DIAGRAM ..................................................................................................................................................... 13
5.1 SOFTWARE FLOW CHART ................................................................................................................................. 13
5.2 ELECTRICAL BLOCK DIAGRAM .........................................................................................................................15
5.2.1 SCALAR BOARD BLOCK DIAGRAM............................................................................................................ 15
5.2.2 INVERTER/POWER BOARD BLOCK DIAGRAM ......................................................................................... 17
6.SCHEMATIC ............................................................................................................................................................... 19
6.1 MAIN BOARD ....................................................................................................................................................... 19
6.2 INVERTER BOARD .............................................................................................................................................. 26
7. PCB LAYOUT............................................................................................................................................................. 27
7.1 MAIN BOARD ....................................................................................................................................................... 27
7.2 POWER/INVERTER BOARD ............................................................................................................................... 28
8. MAINTAINABILITY ..................................................................................................................................................... 29
8.1 EQUIPMENT AND TOOLS REQUIREMENT........................................................................................................ 29
8.2 TROUBLE SHOOTING......................................................................................................................................... 30
9 WHITE-BALANCE, LUMINANCE ADJUSTMENT ...................................................................................................... 35
10. EDID CONTENT ...................................................................................................................................................... 36
11.BOM LIST.................................................................................................................................................................. 37
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Revision List
Revision Date Change Description
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1. MONITOR SPECIFICATIONS
Type Color TFT LCD
Size 48cm(19inch)
LCD Panel
Pixel Pitch 0.294mm(H) x 0.294mm(V)
Video R. G. B analog interface
Separate Sync H/V TTL
H Frequency 30kHz - 80kHz
Input
V Frequency 50Hz-75Hz
Display Color 16.7M Colors
Dot Frequency 135MHz
Max. Frequency 1280 x 1024
Drug and Play VESA DDC2BTM
Input Interface D-Sub 15Pin
Input Signal Analog 0.7Vpp Positive Signal / 75 Ohm
Max. Display Area Horizontal: 376.32mm
Vertical: 301.06mm
Power DC 12VDC, 3.5A
Environmental Temperature
Humidity
Operating Temperature: 0°C to 40°C (32°F to 104°F)
Storing Temperature: -20°C to 60°C ( -4°F to 140°F)
Operating Humidity: 10% to 85%
Weight (net) 4.4kg
ON Mode: ≤42 Watts
Max. Power Consumption
OFF Mode: ≤3 Watts
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2. LCD MONITOR DESCRIPTION
The LCD MONITOR will contain a main board, an inverter/Power board and a keypad board which house the flat panel
control logic, brightness control logic and DDC.
The Inverter board will drive the backlight of panel and the DC-DC conversion.
Video signal, DDC
Inverter/Power board
Flat Panel and
CCFL backlight
Main Board
Keyboard
RS232 Connector
For white balance
adjustment in factory
mode
HOST Computer
CCFL Drive.
DC-IN
100V-240V
Monitor Block Diagram
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3. OPERATING INSTRUCTIONS
3.1 GENERAL INSTRUCTIONS
Press the power button to turn the monitor on or off. The other control buttons are located by the side 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.
3.2 CONTROL BUTTON
Power Indicator condition:
Green — Power On mode
Orange — Power Saving mode
1. / Auto Adjust / Exit 2. ▲/ Brightness Adjust
3. ▼/ Contrast Adjust 4. / Menu/ Select
5. Power Indicator 6. Power Switch
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3.2 ADJUSTING THE PICTURE
The description for control function:
Menu
Icon
Menu Item Sub Menu
Icon
Sub Menu
Item Function Description
Brightness Adjust the brightness.
Brightness &
Contrast
Contrast Adjust the contrast.
Horizontal
Position Adjust the horizontal position.
Adjust
Position
Vertical
Position Adjust the vertical position.
Phase Adjust the Phase.
Video Noise
Clock Adjust the Clock.
Language Set OSD Language.
OSD Timer Set the display time of OSD menu.
Color
Temperature
Color Temperature choose（7800K、6500K、user mode）
OSD
Horizontal Adjust the Horizontal Position of OSD menu.
OSD Position
OSD Vertical Adjust the Vertical Position of OSD menu.
Exit OSD Exit OSD
Reset Reset the factory preset configuration
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4. INPUT/OUTPUT SPECFICATION
4.1 15 - Pin D-Sub Signal
PIN NO. DESCRIPTION PI N NO. DESCRIPTION
1. Red 9. +5V
2. Green 10. Logic GND
3. Blue 11. GND
4. Ground 12. DDC-Serial Data
5. Ground 13. H-Sync
6. R-Ground 14. V-Sync
7. G-Ground 15. DDC-Serial Clock
8. B-Ground
VGA Connector layout
15
610
11 15
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4.2 FACTORY PRESET DISPLAY MODES：
Standard Resolution Horizontal
Frequency Vertical Frequency
Dos-Mode 640 × 400 31.47kHz 70Hz
Dos-Mode 720 × 400 31.47kHz 70Hz
640 × 480 31.47kHz 60Hz
640 × 480 37.861kHz 72Hz
VGA
640 × 480 37.50kHz 75Hz
800 × 600 35.156kHz 56Hz
800 × 600 37.879kHz 60Hz
800 × 600 48.077kHz 72Hz
SVGA
800 × 600 46.875kHz 75Hz
1024 × 768 48.363kHz 60Hz
1024 × 768 56.476 kHz 70 Hz
1024 × 768 56.476kHz 70Hz
XGA
1024 × 768 60.02kHz 75Hz
1280 × 1024 64.000kHz 60Hz
SXGA
1280 × 1024 80.000kHz 75Hz
4.3 Power Supply (ROOM TEMPERATURE 25℃±4℃)
4.3.1 INVERTER MAX BRINGTHNESS (Vadj:5.0V), LOAD=120KΩX4
ITEM SYMBOL MIN. TYP. MAX. UNIT REMARK
Input voltage Vin 10.8 12 13.2 V
Input current Iin 2200 2450 mA FOR 4 LOAD
Output Current Iout 6.0 6.5 7.0 mA FOR 1 LOAD
Frequency F 52.0 57.0 62.0 KHZ FOR 1 LOAD
H.V open Vopen 1500 1650 1800 Vrms NO LOAD
H.V Load Vload 710 810 910 Vrms
RL=120KΩ
Start voltage Vst 1700 1850 2000 Vrms RL=CCFL
Protect delay time PDT 0.1 1 4 Sec
4.3.2 INVERTER MIN BRINGTHNESS (Vadj: 0.0V), LOAD=120KΩX4
ITEM SYMBOL MIN. TYP. MAX. UNIT REMARK
input voltage Vin 10.8 12 13.2 V
input current Iin 740 820 mA FOR 4 LOAD
Output Current Iout 3.0 3.5 4.0 mA FOR 1 LOAD
Frequency F 52.0 57.0 62.0 KHZ FOR 1 LOAD
H.V open Vopen 1500 1650 1800 Vrms NO LOAD
Start voltage Vst 1700 1850 2000 Vrms RL=CCFL
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H.V Load Vload 350 450 550 Vrms RL=120KΩ
4.4 PANEL SPECIFICATION
4.4.1 PANEL FEATURE
This specification applies to the 19.0 inch Color TFT-LCD Module M190EN03 V1. The display supports the SXGA
(1280(H) x 1024(V)) screen format and 16.7M colors (RGB 8-bits data). All input signals are 2 Channel LVDS interface
compatible. This module does not contain an inverter card for backlight.
4.4.2 DISPLAYS CHARACTERISTICS
The following items are characteristics summary on the table under 25 ℃ condition:
4.4.3 OPTICAL CHARACTERISTICS
The optical characteristics are measured under stable conditions at 25℃:
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4.4.4 Parameter guideline for CCFL Inverter
Note 1: CCFL standard current is measured at 25±2℃..
Note 2: CCFL Frequency should be carefully determined to avoid interference between inverter and TFT LCD
Note 3: ViCFL means Ignition Voltage for both ends of the lamp, and CCFL inverter should be able to give out a power
that has a generating capacity of over 1810 voltage. Lamp units need 1810 voltage minimum for ignition
Note 4: CCFL operation voltage is measured at 25±2℃.
Note 5: The variance of CCFL power consumption is ±10%. Calculator value for reference (ICFL×VCFL×4=PCFL).
Note 6: Definition of life: brightness becomes 50% or less than the minimum luminance value of CCFL. The typical life
time of CCFL is on the condition at 7.0mA lamp current.
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5. BLOCK DIAGRAM
5.1 SOFTWARE FLOW CHART
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5.2 ELECTRICAL BLOCK DIAGRAM
5.2.1 SCALAR BOARD BLOCK DIAGRAM
LCD Interface (LVDS)
CN403
Scalar
GM2321 PQFP-208
(Include MCU，ADC，OSD)
U401
OSD Control
Interface
(Keypad)
CN402
EEPROM
U402
D-Sub Connector
CN301
EEPROM
U302
EPR_SDA
EPR_SCL
RXD
TXD
RGB
DB15_SDA
DB15_SCL
Crystal
14.31818 MHz
X401
H Sync
V Sync
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5.2.2 INVERTER/POWER BOARD BLOCK DIAGRAM
Inverter Block Diagram
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Power Block Diagram
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6.SCHEMATIC
6.1 MAIN BOARD
VSYNC
SHEET 7
7. DISPLAY KEY
LV_E[0..9]
LV_O[0..9]
PPWR
GPIO[0..6]
LBADC_RET
LBADC_IN1
IR_IN
LBADC_IN2
LBADC_IN1
PWM0/GPIO11/DIM
RXC+
PWM2/GPIO13
SHEET 6
6. AUDIO
PWM2/GPIO13
PWM1/GPIO12/VOLUME
PPWR
PPWR
VIDEO_PW_EN
DDC_SCL_DVI
SOG_MCSS
RXC-
PBIAS
/RESET
PWM1/GPIO12/VOLUME
RED+
DDC_WP
VCLK
RX2+
GREEN-
RX1+
GPIO[0..6]
DDC_SDA_VGA
RX0+
GPIO10/SDA
SHEET 8
8. POWER
PWM0/GPIO11/DIM
PBIAS
BLUE-
VGA_PLUG
RX2-
LV_E[0..9]
BLUE+
YUV[0..7]
GPIO9/SCL
RED-
HOST_SCL/UART_DI
SHEET 3
3. INPUTS
DDC_SDA_DVI
DDC_SCL_DVI
RXC-
RX2+
RX0-
RX1+
RXC+
RX1-
RX0+
RED+
GREEN+
RED-
GREEN-
BLUE-
BLUE+
RX2-
HSYNC
VSYNC
DDC_SDA_VGA
DDC_SCL_VGA
SOG_MCSS
HOST_SCL/UART_DI
HOST_SDA/UART_DO
DDC_WP
VGA_PLUG
RX1-
IR_IN
HSYNC
DDC_SCL_VGA
LBADC_IN2
LV_O[0..9]
GREEN+
RX0-
HOST_SDA/UART_DO
VBI_INTR
SHEET 4
4. GM5221
RX0+
RX2-
RX1+
RX1-
BLUE-
RXC+
RXC-
RX0-
RX2+
GREEN+
RED+
RED-
BLUE+
GREEN-
DDC_SCL_DVI
DDC_SDA_DVI
DDC_SDA_VGA
VSYNC
PBIAS
DDC_SCL_VGA
HSYNC
PPWR
LV_E[0..9]
LV_O[0..9]
SOG_MCSS
YUV[0..7]
VCLK
PWM1/GPIO12/VOLUME
PWM2/GPIO13
PWM0/GPIO11/DIM
/RESET
GPIO9/SCL
GPIO10/SDA
GPIO[0..6]
HOST_SCL/UART_DI
HOST_SDA/UART_DO
LBADC_RET
LBADC_IN1
IR_IN
VIDEO_PW_EN
VBI_INTR
DDC_WP
VGA_PLUG
LBADC_IN2
LBADC_RET
SHEET 5
5. VIDEO DECODER
YUV[0..7]
VCLK
/RESET
GPIO9/SCL
GPIO10/SDA
VBI_INTR
VIDEO_PW_EN
DDC_SDA_DVI
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RXC+IN
C309 0.01uF
DVI_5V
A-BLUE
VGA_SCL
VSYNC
R321
75 1/16W
DO NOT STUFF
5V_DV
GND
R335 100 1/16W 1%
R316 20 1/16W 1%
ED302
NC
1 2
R311
4.7K 1/16W
DVI_PLUG {4}
GND
R305
4.7K 1/16W
GND
GND
R306 22 1/16W ED304
NC
1 2
GND
RX0-IN
DDC_SCL_DVI {4}
DVISCL
BLUE+ {4}
ED301
NC
1 2
C302
0.1uF
DDC_WP {4}
R328
NC
RX1- {4}
FB301 30 OHM
C306 0.01uF
GND
R302 100 1/16W
DVI CONNECTOR
GND
R310
2.2K 1/16W
DVISDA
C308 0.01uF
R325
84.5 1/16W
1%
RXC-IN
GREEN+ {4}
GND
R308
2.2K 1/16W
GND
VGASCL
GND
+3.3V_DVDD
A-RED
R314 100 1/16W
R337 100 1/16W
FB303 30 OHM
GND
AVDD_3.3
+5V
D311
MLL5232B 5.6V
D310
MLL5232B 5.6V
RX2+ {4}
GND
A-VS
U302
M24C02WMN6
4
81
2
3
7
6
5
GND
VCCA0
A1
A2
WP
SCL
SDA
DVI_SCL
R331
100 1/16W
R326
NC
RXC+ {4}
RX0- {4}
VGA_PLUG
D303
MLL5232B 5.6V
GND
VGA_SDA
RX0+IN
R339
100 1/16W
RXC- {4}
GND
R304
4.7K 1/16W
GND
5V_VGA
DVI_5V
C303 0.01uF
RX2- {4}
EDID_WP
D304
MLL5232B 5.6V
R319 47 1/16W
1%
R317 20 1/16W 1%
R320 47 1/16W
1%
GND
D313
MLL5232B 5.6V
+5V
DDC_SDA_VGA {4}
R330
100 1/16W
VGA_PLUG{4}
RX1+IN
BLUE- {4}
RX2+IN
R323
75 1/16W
GND
EDID_WP
ED305
NC
1 2
DDC_WP
R301 100 1/16W
C307 0.01uF
R307 22 1/16W
C305 0.01uF
GND
D302
BAT54C-GS08
3
1 2
D308
MLL5232B 5.6V
R309
4.7K 1/16W
RED+ {4}
A-GREEN
D307
BAV99
3
1 2
R327
84.5 1/16W
1%
R333
10K 1/16W
HSYNC {4}
DVISCL
R336
100K 1/16W
U301
M24C02WMN6
4
81
2
3
7
6
5
GND
VCCA0
A1
A2
WP
SCL
SDA
GND
GND
U303
74LVC14ADT
1
2
3
4
5
6
7 8
9
10
11
12
13
14
1A
1Y
2A
2Y
3A
3Y
GND 4Y
4A
5Y
5A
6Y
6A
VCC
VGA_5V
R312 100 1/16W
GND
GREEN- {4}
ED303
NC
1 2
R318 47 1/16W
1%
ED306
NC
1 2
HSYNC
RED- {4}
Near VGA pins
GND
CN301
DB15
1
6
2
7
3
8
4
9
5
11
12
13
14
15
10
16 17
FB302 30 OHM
VGA_5V
GND
D306
BAV99
3
1 2
VGASDA
D309
MLL5232B 5.6V
GND
EDID_WP
GND
R334 100 1/16W 1%
GND
A-HS
R329
10K 1/16W
DDC_SCL_VGA {4}
GND
GND
RX2-IN
D301
BAT54C-GS08
3
1 2
VSYNC {4}
R322
75 1/16W
R324
84.5 1/16W
1%
D305
BAV99
3
1 2
R303 10K 1/16W HOT_PLUG
RX0+ {4}
DDC_SDA_DVI {4}
R332
NC
RX1+ {4}
GND
C310
47pF
CN302
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
31
32
25
26
27
28
29
30
RX2-
RX2+
GND
RX4-
RX4+
SCL
SDA
VS
RX1-
RX1+
GND
RX3-
RX3+
5V
GND
HP
RX0-
RX0+
GND
RX5-
RX5+
GND
RXC+
RXC-
Shell
Shell
RED C1
GRN C2
BLU C3
HS C4
GND C5
GND C5
HOST_SCL/UART_DI{4}
GND
SOG_MCSS {4}
DIGITAL DDC
+5V
RX1-IN
C311
47pF
DVI_SDA DVISDA
C301
0.1uF
HOST_SDA/UART_DO{4}
+5V
GND
C304 0.01uF
R315 100 1/16W
D312
MLL5232B 5.6V
GND
VGA_CONN
ED308
NC
1 2
+3.3V_DVDD
ED307
NC
1 2
R338 100 1/16W
ANALOG DDC
GND
R313 100 1/16W
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GND
+3.3V_DVDD
RX2-
RX1-
C422
0.1uF
+
C432
22uF/16V
RMADDR7
+3.3V_DVDD
RMDATA6
RMDATA[0..7]
R406
10K 1/16W
RXC-{3}
OSC_SEL
C429
0.1uF
C406
0.1uF
3.3V_AVDD
GND
LV_E0
PWM1/GPIO12/VOLUME
GPIO9/SCL
R425 NC
DDC_SCL_DVI{3}
3.3V_AVDD
RMDATA1
RMADDR14
C431
0.1uF
BLUE-{3}
VGA_PLUG {3}
00 = for TCLK = 14.3 MHz
LV_O1
0
RMADDR11
RMADDR7
FB409
600 OHM
0 = Parallel ROM Interface
RMADDR17
RMADDR2
C445
5pF
HOST_SDA/UART_DO{3} DDC_SCL_VGA
X401
14.31818MHz
1 = DDC_VGA. 0 = DDC_DVI
DEV_ADDR(0:6}
ROM_WP#
GND
C440
0.1uF
+
C434
22uF/16V
DDC_SDA_VGA{3}
PWM1/GPIO12/VOLUME {6}
AUDIO_STBY_MUTE
RMADDR17
R417
10K 1/16W
+1.8V_DVDD
RMADDR3
+
C419
22uF/16V
R436 NC
Close to respective power Pins
ROM_ADDR8
LV_E2
C430
0.1uF
BLUE+{3}
R425 is the switch for using SPI ROM or external Flash ROM.
If you want to use SPI ROM, Please install R425
If you want to use external flash ROM, please use default.
GND
+
C401
22uF/16V
R419
NC
DESCRIPTION
3.3V_AVDD
GND
LV_O7
RMDATA2
C423
0.1uF
R414
NC
+
C427
22uF/16V
DDCHANSEL
+5V
LV_E8
RMDATA0
RMADDR0
RMADDR13
GREEN-{3}
VCLK {5}
VCLK
VSYNC{3}
SOG_MCSS{3}
RMADDR6
R412 NC
RED-{3}
Close to respective power Pins
ROM_ADDR(10:11)
AVDD_1.8
DDC_SCL_DVI
0
CVDD_1.8
LBADC_IN2
RED+{3}
ROM_ADDR(0:6)
RX0-{3}
C441
0.1uF
RMDATA6RMADDR12
C410
0.1uF
+
C421
22uF/16V
+3.3V_DVDD
RX0-
HOST_SCL/UART_DI{3}
+3.3V_DVDD
ROM_WEn
ROM_CSn
1
LV_O4
GPIO0
RMADDR15
FB405
600 OHM
3.3V_AVDD
+1.8V_DVDD
C413
0.1uF
0
R413 NC
RX1+{3}
VBI_INTR {5}
GND
RMADDR17
YUV4
R426 NC
GND
R423 NC
LV_O2
SET
0 = Internal ROM on at top of 1M in X86 address
3.3V_LBAD
C425
0.1uF
R434 10K 1/16W
0 = Crystal
OCM_USES_TCLK
RXC+
LBADC_IN1
RXC+{3}
RMADDR16
PPWR {5,7}
SKIPXROMBOOT
0 = Check for signature in external ROM
3.3V_LVDS
WP
FB408
600 OHM
+5V
GPIO10/SDA
FB404
600 OHM
IR {7}
YUV6
LV_O5
YUV1
C404
0.1uF
RMADDR2
R427 NC
FB411
NC
3.3V_PLL
HOST_SDA/UART_DO
RMADDR[0..17]
C435
0.1uF
+
C436
22uF/16V
+
C417
22uF/16V
C408
0.1uF
C424
0.1uF
C433
0.1uF
R407
10K 1/16W
0
LV_E7
RMADDR8
RMADDR1
+3.3V_DVDD
RMADDR3
RMADDR15
C449
NC
R420
10K 1/16W
FORCEXROM
NAME
RX0+{3}
/RESET{5}
GND
GPIO7/IRQin
RMDATA4
C439
0.1uF
C442
0.1uF
+1.8V_DVDD
RMADDR1
R437 10K 1/16W
PBIAS
RMDATA3
3.3V_AVDD
+5V
RMADDR4
R415
0 1/16W
LV_E[0..9] {7}
ROM_ADDR(13:14)
ADDRESS
VBI_INTR
RMADDR14
RMADDR10
CVDD_1.8
FB406
600 OHM
C447
0.1uF
DDC_SCL_VGA{3}
ROM_ADDR7
TCLKSEL(0:1)
RMADDR5
RMADDR12
RMADDR17
RMADDR6
R438 NC
RMADDR0
RMADDR15
C409
0.1uF
The device address for serial host interface
LV_O9
R432 NC
C407
0.1uF
ROM_OEn
RMADDR9
IR
DVI_PLUG
R439 NC
U404
M24C16-MN6T
1
2
3
45
6
7
8A0
A1
A2
VSSSI
SCK
WP
VCC
00
ROM_ADDR16
AVDD_1.8
RXC-
ROM_ADDR15
VCLK
RMDATA2
RMADDR9
YUV0
RX2-{3}
GND
GND
ROM_CSn
Route LBADC_IN1 & LBADC_RET as
differential tracks, close to each other.
And ground the return track very close to
the gm5221 and ground pin.
DDC_SDA_VGA
LBADC_IN2 {7}
0
+3.3V_DVDD
3.3V_LBAD
LV_E4
RMADDR3
FB401
600 OHM
AUDIO_STBY_MUTE {6}
00 = UART; 01 = 2-wire JTAG
0 = OCM_CLK = FCLK; baud rate is 115200
DDC_SDA_DVI
R421
10K 1/16W
GND
RMADDR4
C437
0.1uF
1 = Internal ROM (debug mode)
00
C448
0.1uF
TMDS_1.8
RMADDR16
GPIO1
GPIO7/IRQin
C420
0.1uF
R405 249 1/16W
PBIAS {7}
Close to respective power Pins
TMDS_1.8
LV_E9
RMDATA1
RMADDR16
RMADDR11
32-Pin PLCC Socket
+5V
PPWR
RMADDR1
R418
100 1/16W
R422 NC
RMADDR11
GPIO8/IRQout
GPIO[0..6] {7}
ROM_HOLD#
GND
LV_E5
RMADDR8
C438
0.1uF
DDC_WP {3}
3.3V_DVDD
ADC_TEST
OCM_ROM
RMADDR16
+3.3V_DVDD
GND
LV_O3
LV_E3
RMADDR12
ROM_ADDR17
LV_E1
RMDATA4
RMADDR10
RMADDR14
3.3V_LVDS
3.3V_A
AGND
U401
GM5221
PQFP-208
151
152
147
148
142
143
119
118
124
123
129
128
169
170
98
99
100
101
35
36
133
132
114
71
72
77
78
79
80
178
92
93
69
202
201
200
199
198
197
196
195
194
185
4
3
2
1
208
207
204
203
186
187
193
189
192
188
5
154
150
149
153
144
122
117
23
50 73 190 205 166 9 41 75 96 116
67
68
12
121
25
126
28
115
171
26
172
24
137
11
164
181
182
8
42
51
74
76
94
97
140
180
163
165
136
155
48
47
87
86
66
65
33
34
62
59
61
60
58
57
63
64
46
45
44
43
38
37
55
56
32
31
30
29
22
21
49
54
18
17
16
15
14
13
19
20
167
70
135
27
40
113
120
125
130
134
141
145
7
6
95
184
183
191
206
139 179
177
39
168
156
131
127
146
81
82
83
84
85
88
89
90
91
138
10
102 103 106 107 108 109 110 111 112 52 53 104 105 157 158 159 160 161 162
173
174
175
176
RED+
RED-
GREEN+
GREEN-
BLUE+
BLUE-
RX2-
RX2+
RX1-
RX1+
RX0-
RX0+
XTAL
TCLK
GPIO11/PWM0
GPIO12/PWM1
GPIO13/PWM2
GPIO14/PWM3
CH1P_LV_O
CH1N_LV_O
RXC-
RXC+
REXT
HOST_SCL/UART_DI
HOST_SDA/UART_DO
DDC_SCL_VGA
DDC_SDA_VGA
DDC_SCL_DVI
DDC_SDA_DVI
RESETn
GPIO9/NVRAM_SCL
GPIO10/NVRAM_SDA
GPIO15
ROM_ADDR0
ROM_ADDR1
ROM_ADDR2
ROM_ADDR3
ROM_ADDR4
ROM_ADDR5
ROM_ADDR6
ROM_ADDR7
ROM_ADDR8
ROM_ADDR15
ROM_DATA0
ROM_DATA1
ROM_DATA2
ROM_DATA3
ROM_DATA4
ROM_DATA5
ROM_DATA6
ROM_DATA7
ROM_ADDR14
ROM_ADDR13
ROM_ADDR9
ROM_ADDR11
ROM_ADDR10
ROM_ADDR12
ROM_OEn
AVDD_ADC_3.3
AVDD_RED_3.3
AGND_GREEN
AGND_RED
AGND_BLUE
AGND_RX1
AGND_RX2
AVSS_LV_E
RVDD_3.3 RVDD_3.3 RVDD_3.3 RVDD_3.3
VDD_RPLL_1.8
CVDD_1.8 CVDD_1.8 CVDD_1.8 CVDD_1.8
VDD_RX2_1.8
PPWR
PBIAS
AVSS_LV_E
VDD_RX1_1.8
AVSS_LV
VDD_RX0_1.8
AVSS_LV_O
AGND_IMB
AVDD_RPLL_3.3
AVDD_LV_3.3
LBADC_VDD_3.3
AVDD_LV_E_3.3
VDD_RXPLL_1.8
AVDD_LV_E_3.3
VDD_ADC_1.8
HSYNC/CSYNC
VSYNC
CRVSS
CRVSS
CRVSS
CRVSS
CRVSS
CRVSS
CRVSS
CRVSS
CRVSS
GND_ADC
GND_RPLL
GND_RXPLL
RESERVED
RESERVED
RESERVED
CRVSS
CVDD_1.8
JTAG_TDI
RESERVED
CH2P_LV_O
CH2N_LV_O
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
JTAG_TDO
RESERVED
RESERVED
RESERVED
RESERVED
CH0N_LV_O
CH0P_LV_O
RESERVED
JTAG_RESET
CLKN_LV_O
CLKP_LV_O
CH3N_LV_O
CH3P_LV_O
CH0N_LV_E
CH0P_LV_E
RESERVED
NC
CH2N_LV_E
CH2P_LV_E
CLKN_LV_E
CLKP_LV_E
CH3N_LV_E
CH3P_LV_E
CH1P_LV_E
CH1N_LV_E
RESERVED
RESERVED
RESERVED
AVDD_LV_O_3.3
AVDD_LV_O_3.3
AVDD_IMB_3.3
AVDD_RX2_3.3
AVDD_RX1_3.3
AVDD_RX0_3.3
AVDD_RXC_3.3
AVDD_BLUE_3.3
AVDD_GREEN_3.3
ROM_CSn
ROM_WEn
RVDD_3.3
ROM_ADDR16
ROM_ADDR17
CRVSS
CRVSS
CVDD_1.8 CVDD_1.8
LBADC_GND
AVSS_LV_O
AGND_RPLL
AGND_ADC
AGND_RXC
AGND_RX0
SOG_MCSS
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
GPIO8
CLKOUT
RESERVED
VDATA7/GPIO16 VDATA6/GPIO17 VDATA5/GPIO18 VDATA4/GPIO19 VDATA3/GPIO20 VDATA2/GPIO21 VDATA1/GPIO22 VDATA0/GPIO23 VCLK NC NC NC NC NC NC NC NC NC NC
LBADC_IN1
LBADC_IN2
LBADC_IN3
LBADC_RETURN
ROM_SCLK
LV_O8
3.3V_DVDD
PLL_1.8
RMADDR13
RMADDR6
TP401
RX1-{3}
DVI_PLUG {3}
SPI INTERFACE
BOOTSTRAP SIGNALS / PARALLEL ROM
OP_MODE(0:1)
RMDATA5
GND
DDC_WP
WP
RMDATA3
RMDATA0
RMADDR2
C402
0.1uF
U402
NC
1
2
3
4 5
6
7
8
CE#
SO
WP#
VSS SI
SCK
HOLD#
VCC
XTAL
TCLK
YUV7
C418
0.1uF
FB410
NC
ROM_ADDR9
RX0+
RMADDR[0..17]
RMADDR0
C414
0.1uF
ROM_SDO
GND
+3.3V_DVDD
HOST_SCL/UART_DI
VGA_PLUG
RMADDR4
C415
0.1uF
U403
NC
16
22
24
31
32
13
14
15
12
11
10
9
8
7
6
5
27
26
23
25
4
28
29
17
18
19
20
21
3
2
1
30
GND
CE
OE
WE
VCC
I/O0
I/O1
I/O2
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
I/O3
I/O4
I/O5
I/O6
I/O7
A15
A16
NC
NC/A17
RX2+{3}
GPIO0/LED_GRN
0
R428 NC
GND
GPIO10/SDA
RX2+
YUV5
C405
0.1uF
RMADDR13
RMADDR15
C412
0.1uF
C428
0.1uF
DDC_SDA_DVI{3}
PWM0/GPIO11/DIM {8}
SPI_EN
GND
GND
PLL_1.8
PWM0/GPIO11/DIM
RMDATA7
RMADDR7
RMADDR5
LBADC_IN1 {7}
+1.8V_DVDD
x
ROM_SDI
LV_O6
FB407
600 OHM
R433 NC
R430 NC
3.3V_PLL
RMDATA5
YUV[0..7]
R435 NC
C403
0.1uF
GPIO1/LED_ORANGE
Install a 10K pull-up resistor to indicate a '1', otherwise a '0' is indicated because
ROM_ADDR[17:0] have a 50K internal pull-down resistor.
RMADDR5
YUV2
TP402
FB403
600 OHM
LV_O[0..9] {7}
GPIO8/IRQout
VIDEO_PW_EN
FB402
600 OHM
C443
0.1uF
HSYNC{3}
YUV[0..7] {5}
ROM_ADDR12
LV_E6
RMADDR10
R429 NC
C426
0.1uF
GREEN+{3}
ROM_SCSn
R424 NC
GPIO9/SCL
RMDATA7
R431 NC
+
C411
22uF/16V
R416
NC
Close to respective power Pins
GND
YUV3
LV_O0
RX1+
RMADDR8
C416
0.1uF
RMADDR9
C446
5pF
VIDEO_PW_EN {5}
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Lenovo LXM-L19BH
Page 20 of 44
YUV[0..7]
YOUT6
VCLK {4}
+1V8_A
C518
0.1uF
GND
R516 NC
YUV1
TP503
VBI_INTR{4}
GND
PVHS
C512 22pF
+ C523
47uF/16V
RN501 22 1/16W
1
2
3
4
8
7
6
5
Mode:0A
L505
600 OHM
C529
0.1uF
YOUT5
VGND
C516
0.1uF
YOUT9
GND
L504
600 OHM
R512
NC
Lo:B8
VGND
U501
TVP5146
1
2
3
4
5
6
7
8
9
10
12
13
14
15
16
17
18
19
20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
11
VI_1B
VI_1C
CH1_A33GND
CH1_A33VDD
CH2_A33VDD
CH2_A33GND
VI_2A
VI_2B
VI_2C
CH2_A18GND
A18VDD_REF
A18GND_REF
CH3_A18VDD
CH3_A18GND
VI_3A
VI_3B
VI_3C
CH3_A33GND
CH3_A33VDD
CH4_A33VDD CH4_A33GND VI_4A CH4_A18GND CH4_A18VDD NSUB TMS SCL SDA INTREQ DVDD DGND PWDN RESETB FSS/GPIO AVID/GPIO GLCO/I2CA IOVDD IOGND DATACLK
DVDD
DGND
Y9
Y8
Y7
Y6
Y5
IOVDD
IOGND
Y4
Y3
Y2
Y1
Y0
DVDD
DGND
C9/GPIO/FSO
C8/GPIO/BLUE
C7/GPIO/GREEN
C6/GPIO/RED
IOVDD
IOGND
C5/GPIO C4/GPIO C3/GPIO C2/GPIO
DVDD
DGND
C1/GPIO C0/GPIO
FID//GPIO
HS/CS/GPIO
VS/VBLK/GPIO
XTAL1 XTAL2
PLL_A18VDD
PLL_A18GND
CH1_A18VDD
CH1_A18GND
VI_1A
CH2_A18VDD
R506
NC
YOUT2
TP505
+
C528
47uF/16V
MSTR_SDA
YUV[0..7] {4}
+3V3_D
R504
10K 1/16W
S-Video
CVBS_IN
C515
0.1uF
+1V8_A
GPIO9/SCL{4,7}
PVVS
R502
75 1/16W
+ C513
47uF/16V
+3V3_D
L502
120 OHM
GND
GND
C521
0.1uF
Connect two grounds at single point.
C506
0.001uF
TP501
YOUT7
R514 NC
+3V3_A
GND
Chroma
GND
C505
330pF
Hi:BA
+3V3_D
C531
0.1uF
C501
330pF
YUV6
C508
330pF
R503
75 1/16W
VIDEO_PW_EN
C502
330pF
R511
4.7K 1/16W
R509 NC
Mode:46
YUV4
R515 NC TP502
C522
0.1uF
YUV2
C517
0.1uF
YUV3
CN501
DIN JACK
1
2 3
4
R513 0 1/16W
YUV0
+3V3_A
Luma
/RESET{4}
C526
0.1uF
YOUT4
R510 NC
RN502 22 1/16W
1
2
3
4
8
7
6
5
C520
0.1uF
+3.3V_DVDD
GND
L506
600 OHM
AVID
C525
0.1uF
GND
+1V8_D
MSTR_SCL
L503
120 OHM
C527
0.1uF
VIDEO_PW_EN{4}
YUV5
GND
YUV7
GND
C509
0.001uF
R517
10M 1/16W
GND
C507
330pF
C503
0.001uF
+1V8_D
RESETn
+5V
YOUT3
+ C519
47uF/16V
GND
GND
FSS
R501
75 1/16W
R508
NC
C524
0.1uF
C504
330pF
VBI_INTR
GPIO10/SDA{4,7}
C533
0.1uF
R507 0 1/16W
I2CA
C530
0.1uF
GND
C511 22pF
YOUT8
L501
120 OHM
TP504
GND
R505
10K 1/16W
+1.8V_DVDD
C532
0.1uF
FID
C514
0.1uF
CN502
JACK
2
1
VCLK
X501
14.31818MHz
L507
600 OHM
C510
NC
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