AOC F1905 Service Manual
SERVICE MANUAL
19” LCD Monitor
f1905 Series
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 OF THIS INFORMATION AFTER THE DATE OF
PUBLICA TION AND DISCLAIMS RELIABILITY FOR CHANGES, ERRORS OR OMISSIONS.
MANUFACTURE DATA: Jan-04-2005
HP f1905 Service Manual
Table of Contents
Table of Contents ---------------------------------------------------------------------------------- 02
Revision List ---------------------------------------------------------------------------------------- 04
1.Product Feature --------------------------------------------------------------------------------05
2.LCD Monitor Description -----------------------------------------------------------------------05
3.Operation Instructions --------------------------------------------------------------------------06
3.1 General Instructions -----------------------------------------------------------------------06
3.2 Control Button -------------------------------------------------------------------------------07
3.3 Adjusting The Picture ---------------------------------------------------------------------08
4. Input/Output S pecification ---------------- --------------------------------------------------- 09
4.1 Input Signal Connector --------------------------------------------------------------------09
4.1.1 Analog D-SUB Connector --------------------------------------------------------09
4.2.2 DVI-D Digital connector -------------------------------------------------------------09
4.2 Factory Preset Display Modes ----------------------------------------------------------10
4.3 Power Supply Requirements ------------------------------------------------------------11
5.Panel Specification ---------------------------------------------------------------------------11
5.1 General Feature ----------------------------------------------------------------------------11
5.2 Optical Characteristics --------------------------------------------------------------------13
6. Block Diagram -----------------------------------------------------------------------------------15
6.1 Monitor Exploded View ------------------------------------------------------------------15
6.2 Software Flow Chart -----------------------------------------------------------------------17
6.3 Electrical Block Diagram -----------------------------------------------------------------18
6.3.1 Scalar Board ---------------------------------------------------------------------------18
2
HP f1905 Service Manual
6.3.2 Inverter/Power Board ----------------------------------------------------------------19
7. Schematic -----------------------------------------------------------------------------------------21
7.1 Main Board -----------------------------------------------------------------------------------21
7.2 Inverter/Power Board -------------------------------------------------------------------25
8. PCB Layout ---------------------------------------------------------------------------------------28
8.1 Inverter/Power Board ----------------------------------------------------------------------28
8.2 Keypad Board ------------------------------------------------------------------------------32
9. Maintainability ------------------------------------------------------------------------------------33
9.1 Equipments and Tools Requirements -------------------------------------------------33
9.2 Trouble Shooting ---------------------------------------------------------------------------34
9.2.1 Main Board ------------------------------------------------------------------------34
9.2.2 Power/Inverter Board -------------------------------------------------------------37
9.2.3 Key Pad Board -----------------------------------------------------------------------39
10. White-Balance, Luminance Adjustment ----------------------------------------------- 40
11. EDID Content -----------------------------------------------------------------------------------41
12. BOM List ----------------------------------------------------------------------------------42～70
12.1 T980KAVDKHHPA -----------------------------------------------------------------42～55
12.2 T980KCVDKHHPA -----------------------------------------------------------------56～70
3
HP f1905 Service Manual
Revision List
Revision Date Change Description
A00 Dec-29-04 Initial release
4
HP f1905 Service Manual
1. Product Feature
48.3cm (19”) a-si TFT Active matrix LCD panel, 0.294mm dot pitch
Scalar chipset: Genesis GM5321
Microprocessor controlled scan technology
Both VGA analog and DVI-D digital signal video inputs supported
450:1 Typic al Contrast Ratio and 250-nits typical Brightness
Response time 20ms and Viewing Angle 140(Horizontal) and 120(Vertical)
15 factory presets, 10user modes
Vertical refresh rate 50Hz to 76Hz; Horizontal frequency 30kHz to 83kHz
Resolutions: 640 x 480 up to 1280x1024, Max Pixel Modes: 140 MHz
Power Internal AC100V-240V
Tilt -5° to 35°
CE mark
TCO 03 mark
VESA DPMS compliant
VESA DDC2B compliant and DDC/CI interface.
2. LCD Monitor Description
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.
Power Board
Monitor Block Diagram
CCFT Drive.
Main Board
Keyboard
Flat Panel and
CCFL backlight
RS232 Connector
For white balance
adjustment in
factory mode
AC-IN
100V-240V
HOST Computer
5
Video signal, DDC
HP f1905 Service Manual
3. Operation Instructions
3.1 General Instructions
Press the power button to turn the monitor on or off. The other control buttons are located on the
side of the front 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.
-
6
3.2 Control Buttons
HP f1905 Service Manual
7
3.3 Adjust the Picture
HP f1905 Service Manual
6.
1.
2.
3.
4.
5.
Brightness
Contrast Adjust the contrast
Image Control
Color
Language Shows the language of the OSD window.
Management
Adjust the brightness.
Adjust the:
z Auto Adjustment: Adjusts the main settings and produces a stable, centered image.
z H-Position: horizontal position of the screen image.
z V-Position: vertical position of the screen image.
z Clock: frequency of the pixel clock to minimize vertical bar.
z Phase: phase value to minimize horizontal jitters.
z 9300K: recall 9300K color
z 6500K: recall 6500K color
z SRGB: recall SRGB color
z Custom Color: adjusts the color tint of white, and the red, green, and blue (RGB) mix
for colors.
z Power Saver: enable/disable power saving
z Power On Recall: enable/disable power recall
z Mode Display: enable/disable mode display
z Sleep Timer: set sleep timer
z Basic Menu: set to basic menu
7.
8.
9.
10.
OSD Control
Information Current setting, recommended setting, serial number, total hours, backlight hours, Exit.
Factory Reset Resets the display to original factory settings for color, brightness, phase, and clock.
Exit Exit the current OSD window.
OSD (on Screen Display) settings: adjusts the H/V position, timeout, On Screen Display
window.
8
4. Input/Output Specification
4.1 Input Signal Connector
4.1.1 Analog D-SUB Connector
PIN MNEMONIC SIGNAL PIN MNEMONIC SIGNAL
1 RV Red Video 9 +5 V +5 V (from PC)
2 GV Green Video 10 SG Sync Ground
3 BV Blue Video 1 1 NC None (Reserved for Factory Use)
HP f1905 Service Manual
4 NC
5 GND Ground (DDC Return) 13 HS Horizontal Sync
6 RG Red GND 14 VS Vertical Sync
7 GG Green GND 15 SCL DDC Clock
8 BG Blue GND
None
PIN 1
PIN 11
12 SDA DDC Data
VGA connector layout
PIN 5
4.2.2 DVI-D Digital connector
PIN MNEMONIC SIGNAL PIN MNEMONIC SIGNAL
1 TX 2 - TMDS Data 2 - 13 TX 3 + TMDS Data 3 +
2 TX 2 + TMDS Data 2 + 14 +5V +5V Power (from PC)
3 SHLD 2 / 4 TMDS Data 2 / 4 Shield 15 GND Ground (Return for +5V)
4 TX 4 - TMDS Data 4 - 16 HPD
5 TX 4 + TMDS Data 4 + 17 TX 0 - TMDS Data 0 6 DDC Clk DDC Clock 18 TX 0 + TMDS Data 0 +
7 DDC Data DDC Data 19 SHLD 0 / 5 TMDS Data 0 / 5 Shield
8 N/C No Connect 20 TX 5 - TMDS Data 5 -
9 TX 1 - TMDS Data 1 - 21 TX 5 + TMDS Data 5 +
10 TX 1 + TMDS Data 1 + 22 TX CLK SHLD TMDS Clock Shield
1 1 SHLD 1 / 3 TMDS Dat a 1 / 3 Shield 23 TX CLK + TMDS Clock +
12 TX 3 - TMDS Data 3 - 24 TX CLK - TMDS Clock -
9
Hot Plug Detect (connect internally to
pin-14)
4.2 Factory Preset Display Modes
HP f1905 Service Manual
DVI-D digital connector layout
Factory Pre-set Video Input Modes
Pre-set Pixel Format
Horizontal
Frequency (kHz)
1 640 x 480 31.5 60.0
2 640 x 480 37.9 72.0
3 640 x 480 37.5 75.0
4 720 x 400 31.5 70.0
5 800 x 600 37.9 60.0
6 800 x 600 48.1 72.0
7 800 x 600 46.9 75.0
8 832 x 624 49.7 75.0
9 1024 x 768 48.4 60.0
10 1024 x 768 56.5 70.0
11 1024 x 768 60.0 75.0
Vertical Frequency
(Hz)
12 1152 x 900 68.7 75.6
13 1152 x 900 71.7 76.0
14 1280 x1024 63.9 60.0
15 1280 x1024 80.0 75.0
10
4.3 Power Supply Requirements
PARAMETER RANGE
AC Input Voltage 90 to 265V
AC Input Frequency 47 to 63 Hz
Inrush Current 50A MAX AT 220VAC and 30A AT 120VAC
Leakage Current 5 mA MAX at 120VAC
Power consumption <70W
5. Panel Specification
5.1 General Feature
CPT CLAA190EA03
HP f1905 Service Manual
11
AU M190EN04
HP f1905 Service Manual
12
5.2 Optical Characteristics
CPT CLAA190EA03
HP f1905 Service Manual
13
AU M190EN04
HP f1905 Service Manual
14
6. Block Diagram
6.1 Monitor Exploded View
HP f1905 Service Manual
15
6.2 Software Flow Chart
2
10
12
6 4 3
8
9
14
11
13
1
16
1
19
18
HP f1905 Service Manual
1
1) MCU initialize.
2) Is the eeprom blank?
3) Program the eeprom by default values.
4) Get the PWM value of brightness from
eeprom. Check the pin PANEL1 and PANEL2
to tell which panel to get with it.
5) Is the power key pressed?
5
Turn on the LED and set it to green color.
Scalar initializes.
any signals coming?
digital port?
7
6) Clear all global flags.
7) Are the AUTO and SELECT keys pressed?
8) Enter factory mode.
9) Saving the power key status into eeprom.
10) In standby mode?
11) Update the lifetime of back light.
12) Check the analog and digital port, are there
13) Does the scalar send out a interrupt request?
14) Wake up the scalar.
15) Are there any signals coming from analog or
16) Display " No Input Signal " 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?
5
7
17
6.3 Electrical Block Diagram
6.3.1 Scalar Board Block Diagram
HP f1905 Service Manual
18
6.3.2 Inverter / Power Board Block Diagram
HP f1905 Service Manual
Inverter Block Diagram
19
HP f1905 Service Manual
Power Block Diagram
20
7. Schematic
HP f1905 Service Manual
7.1 Main Board
2
3
4
GND
VGA_5V
1
C108
0.1uF
U102
VCCA0
2
A1A2WP
3
SCL
4
GND
SDA
M24C0 2WMN6
GND
3
1
2
U101
VCCA0
A1A2WP
SCL
GND
SDA
M24C02WMN6
+5V
2
3
GND
81
7
6
5
81
7
6
5
D105
BAT54C-GS08
4.7K 1/16W
ZD104
MLL5232B 5.6V
CN101
A_GND
A_VSYNC
A_GREEN
A_HSYN C
A_GND
JACK
+5V
2
D101
BAT54C-GS08
R104
R132
R112
4.7K 1/16W
ZD105
MLL5232B 5.6V
T2-
T2+
SGND
T4-
T4+
DDCCLK
DDCDAT
T1-
T1+
SGND
T3T3+
+5V
GND
HPD
T0T0+
SGND
T5T5+
SGND
TC+
TC-
A_RED
A_BLUE
A_GND
4.7K 1/16W
DDC_SDA_A
DDC_SCL_A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
C1
C2
C3
C4
C5
R105
R133
10K 1/16W
GPIO4/UART_DI
DDC_SDA_VGA
DDC_SCL_VGA
GND
GND
DVI_EDID_WP
MLL5232B 5.6V
C101
1uF/25V
ZD106
DVI_5V
R101 47 1/ 16W
R102 47 1/ 16W
R103 10K 1/16W
10K 1/16W
R110
47 1/16W
26
25
DVI_5V
1
3
4.7K 1/16W
100 1/16W
R131
NC
GND
R111
GND
HOT_PLUG
+5V
R129
10K 1/16W
ZD108
MLL5232B 5.6V
GND
SCL_IN
SDA_IN
ZD102
MLL5232B 5.6V
GND
R134
GND
R113 47 1/16W
R117
47 1/16W
ZD107
MLL5232B 5.6V
RX2+IN
RX2-IN
RX1-IN
RX1+IN
RX0-IN
RX0+IN
RXC+IN
RXC-IN
R130
1K 1/16W
HS_in
VS_IN
SCL_IN
SDA_IN
ZD101
MLL5232B 5.6V
DVI_HPD
ZD103
MLL5232B 5.6V
ZD109
MLL5232B 5.6V
11
12
13
14
15
R127
2.2K 1/16W
GND
GND
DDC_SCL_DVI
DDC_SDA_DVI
1716
CN102
1
6
2
7
3
8
4
9
5
10
3
2
C114
1000pF
DVI_HPD
DB15
Rin
Gin
Bin
GND
R135
10K 1/16W
Pins 6/7/8 are R /G/B
return lines resp.
R125 22 1/16W
R126 22 1/16W
R128
2.2K 1/16W
D106
BAV99
1
VGA_5V
2
C115
1000pF
R116
47 1/16W
GND
3
D107
BAV99
1
D102
BAV99
ZD110
MLL5232B 5.6V
3
D108
BAV99
2
C116
1000pF
0.1uF
C122
1
2
3
GPIO5/UART_DO
AGND
(8 mil)
C111
NC
3
D109
BAV99
1
1
2
C117
1000pF
GND
+5V
C123
0.1uF
1
2
D103
BAV99
3
GND
75-ohm termi na ting resistor
very close to the VGA
conn.
C112
NC
D104
BAV99
3
2
C118
1000pF
C124
0.1uF
2
10K 1/16W
VGA_CONN
D110
BAV99
1
1
3
+5V
R121
1 2
3 4
3
2
C119
1000pF
GND
R122
4.7K 1/16W
U104A
74LVC14ADT
D111
BAV99
1
R118
75 1/16W
U104B
74LVC14ADT
2
C120
1000pF
VGA_PLUG
3
D112
BAV99
1
R119
75 1/16W
AGND
13 12
2
1000pF
VGA_PG
3
D113
BAV99
C121
R120
75 1/16W
U104F
74LVC14ADT
1
FB102
60 OHM
FB103
60 OHM
FB104
60 OHM
RX2RX2+
RX1RX1+
RX0RX0+
RXC+
RXC-
+5V
R106 22 1/ 16W
R107 100 1/ 16W
R108 22 1/ 16W
R109 100 1/ 16W
R114 22 1/ 16W
R115 100 1/ 16W
C113
0.1uF
VS
GND
(10 mil,
VCC
11 10
GND
┰キ︽絬
C103
C104
C105
C106
C107
C109
C110
FB101
120 OHM
U104E
74LVC14ADT
)
0.047uF
0.047uF
0.047uF
0.047uF
0.047uF
0.047uF
0.047uF
RED+
REDSOG_MCSS
GREEN+
GREEN-
BLUE+
BLUE-
+3.3V
HS
715L-XXXX-A
Title
ANALOG&DIGITAL INPUT
Size Document Number Rev
gm5321 A
C
Date: Sheet
14Friday, J uly 23, 2004
of
21
+1.8V
FB201
120 OHM
C201
10uF/50V
+1.8V
FB203
120 OHM
C215
10uF/50V
+1.8V
FB205
120 OHM
+
C231
10uF/50V
+3.3V
FB209
120 OHM
C238
10uF/50V
BOOTSTRAP SIGNALS
ADD RESS DESC RIPT ION
ROM_A DDR(6:0)
ROM_A DDR(8:7)
ROM_A DDR9
ROM_ADDR(11:10) TCLK SEL
ROM_A DDR12
ROM_ADDR(14:13)
ROM_A DDR15
ROM_A DDR16
ROM_A DDR17
+
C202
0.1uF
GND
C216
+
0.1uF
GND
C239
+
0.1uF
ROMCE#
RMADDR15
GPIO7/IRQin
+3.3V
R242 10K 1/16W
NAM E
DEV_ADDR(6 :0)
FORCEI/EROM
OCM_USES_ TCLK
DDCHANS EL
OP_MODE
SPI_E N
OCM_ROM
OSC_SEL
Close to respective power Pins
C204
C203
0.1uF
0.1uF
1.8V_DVI
C217
C218
0.1uF
0.1uF
1.8V_AVDD
+1.8V
FB206
120 OHM
C232
C233
10uF/50V
0.1uF
GND
C240
C241
0.1uF
0.1uF
GND
R204 0 1/16W
R206 0 1/16W
R208 0 1/16W
SET R
x
To specify the dev ice address for s erial host
interf ace
x
00=Check for signature in external ROM and if
x
present jump to e xternal ROM
0=OCM_CLK=FCLK
x
00=for TCLK=14.3MHz
x
1=DDC2 Bi=DDC_SCL _VGA /DDC_SCL_VGA
1
00=UART
x
x
0=Parallel,1= S PI
0=Internal ROM on at top of 1M in X86
address space(normal operation)
x
1=Internal RO M off
0=TCLK source using external
x
crystal
0.1uF
0.1uF
HP f1905 Service Manual
1.8V_CVD D
C206
C242
0.1uF
0.1uF
3.3V_LVDS
ROM_SCSn
ROM_SDO
ROM_WP#
C207
0.1uF
1.8V_PLL
C234
0.1uF
GND
C243
0.1uF
1
CE#
2
SO
3
WP#
4 5
VSS SI
SST25VF010-20-4C-SA
GND
10uF/50V
U203
HOLD#
C208
0.1uF
+3.3V
FB202
120 OHM
+3.3V
FB204
+
C220
120 OHM
C221
10uF/50V
GND
U202
VCC
RSTN
GND
NC
3
2
1
8
VDD
ROM_HOLD#
7
ROM_SCLK
6
SCK
ROM_SDI
+3.3V_RG B
+
GND
+3.3V
3
2
1
GND
+3.3V
C248
1uF/25V
GND
C223
C222
0.1uF
0.1uF
+3.3V
C246
0.01uF
R243 10K 1/16W
R207 0 1/16W
R209 0 1/16W
R210 0 1/16W
C224
0.1uF
FB207
120 OHM
GPIO4/UART_DI
GPIO5/UART_DO
DDC_SCL_VGA
DDC_SDA_VGA
DDC_SCL_DVI
DDC_SDA_DVI
SOG_MCSS
C209
10uF/50V
BLUE+
BLUE-
GREEN+
GREEN-
RED+
C225
0.1uF
GND
RED-
HS
VS
RX2+
RX2RX1+
RX1RX0+
RX0RXC+
RXC-
GPIO8/IRQout
RMADDR17
RMADDR16
+
C226
0.1uF
C235
0.1uF
+3.3V
C210
C211
0.1uF
0.1uF
C227
0.1uF
+3.3V
+
C236
10uF/50V
GND
C244 33pF
C245 33pF
+5V
+3.3V_ RGB
20K 1/16W
R215
R217 NC
R218
20K 1/16W
R222
20K 1/16W
R249 Serial ROM >>0
Parallel ROM>>NC
C228
0.1uF
FB208
120 OHM
AGND
X201
14.318MHz
C212
0.1uF
GND
0 1/16W
C213
0.1uF
C230
C229
0.1uF
0.1uF
C237
0.1uF
GND
GND
12
TCLK
XTAL
GPIO4/UART_DI
GPIO5/UART_DO
R205 255 1/16W
RMADDR17
RMADDR16
RMADDR15
R249
RMADDR13
RMADDR12
R250 NC
ROMCE#
R233
10K 1/16W
GND
R251 Dual >>20K
Analog-only>>NC
22
C214
0.1uF
AGND
+3.3V
U201
113
AVDD_IMB_3.3
120
AVDD_RX2_3.3
125
AVDD_RX1_3.3
130
AVDD_RX0_3.3
134
AVDD_RXC _3.3
141
AVDD_BLUE_3.3
145
AVDD_GREEN_3. 3
150
AVDD_RED_3.3
154
AVDD_ADC_3.3
172
LBADC_VDD_3.3
171
AVDD_RPLL_3.3
115
AGND_IMB
117
AGND_RX2
122
AGND_RX1
127
AGND_RX0
131
AGND_RXC
136
GND_RXPLL
144
AGND_BLUE
149
AGND_GREEN
153
AGND_RED
156
AGND_ADC
163
GND_ADC
165
GND_RPLL
168
AGND_RPLL
177
LBADC_GND
170
TCLK
169
XTAL
71
HOST_SCL/UART_DI
72
HOST_SDA/UART_DO
77
DDC_SCL_VGA
78
DDC_SDA_VGA
79
DDC_SCL_DVI
80
DDC_SDA_DVI
178
RESETn
142
BLUE+
143
BLUE-
146
SOG_MCSS
147
GREEN+
148
GREEN-
151
RED+
152
RED-
181
HSYNC/CSYNC
182
VSYNC
155
RESERVED
118
RX2+
119
RX2-
123
RX1+
124
RX1-
128
RX0+
129
RX0-
132
RXC+
133
RXC-
138
CLKOUT
114
REXT
183
ROM_ADDR17
184
ROM_ADDR16
185
ROM_ADDR15
186
ROM_ADDR14
187
ROM_ADDR13
188
ROM_ADDR12
189
ROM_ADDR11
192
ROM_ADDR10
193
ROM_ADDR9
194
ROM_ADDR8
195
ROM_ADDR7
196
ROM_ADDR6
197
ROM_ADDR5
198
ROM_ADDR4
199
ROM_ADDR3
200
ROM_ADDR2
201
ROM_ADDR1
202
ROM_ADDR0
203
ROM_DATA7
204
ROM_DATA6
207
ROM_DATA5
208
ROM_DATA4
1
ROM_DATA3
2
ROM_DATA2
3
ROM_DATA1
4
ROM_DATA0
5
ROM_OEn
6
ROM_WEn
7
ROM_CSn
GM5321
PQFP-208
20K 1/16 W
R251
5073190
205
95
RVDD_3.3
RVDD_3.3
RVDD_3.3
RVDD_3.3
RVDD_3.3
GPIO16
GPIO17
102
103
R252
47K 1/16W
GND
GPIO5/UART_DO
GPIO4/UART_DI
1.8V_AVDD
1.8V_DVI
116
12125126
13711164
VDD_RX2_1.8
VDD_RX1_1.8
VDD_RX0_1.8
3.3V_A
AGN D
GPIO18
GPIO19
GPIO20
GPIO21
106
107
108
109
110
DDC_SCL_VGA
DDC_SDA_VGA
1.8V_PLL
1669417596
VDD_ADC_1.8
VDD_RPLL_1.8
VDD_RXPLL_1.8
GPIO22
GPIO23
NC
111
112
GND
GPIO5/UART_DO
GPIO4/UART_DI
86
CVDD_1.8
CVDD_1.8
AVSS_LV_E
AVSS_LV_E
23
12
10K 1/16 W
R246NC
R247NC
CVDD_1.8
CVDD_1.8
AVSS_LV
AVSS_LV_O
28
1.8V_CVDD
39
R238
24
139
179
CVDD_1.8
CVDD_1.8
CVDD_1.8
AVDD_LV_E_3. 3
GPIO10/NVRAM_SDA
AVSS_LV_O
NCNCNCNCNCNCNCNCNC
54
5253104
10K 1/16W
3.3V_LVDS
26
27
40
RESERVED
AVDD_LV_3. 3
CH3P_LV_E
AVDD_LV_E_3. 3
AVDD_LV_O_3.3
AVDD_LV_O_3.3
CH3N_LV_E
CLKP_LV_E
CLKN_LV_E
CH2P_LV_E
CH2N_LV_E
CH1P_LV_E
CH1N_LV_E
CH0P_LV_E
CH0N_LV_E
CH3P_LV_O
CH3N_LV_O
CLKP_LV_O
CLKN_LV_O
CH2P_LV_O
CH2N_LV_O
CH1P_LV_O
CH1N_LV_O
CH0P_LV_O
CH0N_LV_O
RESERVED
RESERVED
RESERVED
RESERVED
JTAG_RESET
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
JTAG_TDO
RESERVED
JTAG_TDI
RESERVED
RESERVED
RESERVED
RESERVED
GPIO9/NVRAM_SCL
GPIO11/PWM0
GPIO12/PWM1
GPIO13/PWM2
GPIO14/PWM3
GPIO15
RESERVED
RESERVED
RESERVED
LBADC_IN1
LBADC_IN2
LBADC_IN3
LBADC_RETURN
NC
105
157
158
159
160
+5V
R239
GND
PPWR
PBIAS
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
GPIO8
CRVSS
CRVSS
CRVSS
CRVSS
CRVSS
CRVSS
CRVSS
CRVSS
CRVSS
CRVSS
CRVSS
CRVSS
161
10
LV_E9
13
14
LV_E8
LV_E7
15
16
LV_E6
LV_E5
17
LV_E4
18
19
LV_E3
20
LV_E2
LV_E1
21
22
LV_E0
LV_O9
29
LV_O8
30
LV_O7
31
LV_O6
32
LV_O5
33
LV_O4
34
LV_O3
35
LV_O2
36
LV_O1
37
LV_O0
38
43
44
45
46
56
57
58
59
60
61
62
63
64
65
66
47
48
49
55
67
68
R253 0 1/16W
81
R201 4.7 K 1/16W
82
83
R202 4.7 K 1/16W
GPIO7/IRQin
GPIO8/IRQout
WP
GND
LBADC1
LBADC2
GND
10K 1/16W
R254 NC
SCL
SDA
VGA_PG
+3.3V
R245
R234
WP
SCL
SDA
84
85
88
89
90
91
92
93
98
99
100
101
69
167
135
70
206
191
180
140
97
94
76
74
51
42
8
87
173
174
175
176
NC
162
NC
CN201
1
2
3
4
RS232
LV_E[0.. 9]
LV_O[0.. 9]
R241
0 1/16W
GND
R248
NC
U205
8
VCC
7
WP
6
SCK
M24C16-MN6T
PPWR
PBIAS
POWER_ON
LED_GRN
LED_RED
DVI_HPD
DVI_EDID_WP
PWM0
A0
A1
A2
VSSSI
1
2
3
45
24Friday , July 23, 2004
+5V
R240
NC
R235
10K 1/16W
10K 1/16W
R244 100 1/16W
R236 100 1/16W
R237 100 1/16W
715L-xxxx -A
Title
Size Document Number Rev
gm5321 A
C
Date: Sheet
C250
1uF/25V
GND
of
C205
C219
+
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