5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
32-Pin PLCC Socket
RM-A3
RM-A12
RM-A5
RM-A4
H-PROTO
SCLPOL
H-PORT-EN
RM-A1
OSC-SEL
RM-A11
OCM-START
RM-A10
RM-A2
RM-A0
RM-15
RM-14
Reset
Circuit
401A78
1B
CTRL/B VL-901,VGA INPUT
C
4
7
Thursday, July 04, 2002
Title
Size
Document Number
Rev
Date:
Sheet
of
XTAL
BLKON
LCDON
A17
A16
/RESET
ER3
EG4
OB3
EG7
OB4
OR5
EG3
OB2
OR3
OR6
EB3
ER7
ER4
EB4
ER2
OB6
OR7
EB7
ER5
ER6
OR4
OR2
OB7
EB2
EG2
OB5
EB5
EG6
EG5
EB6
TCLK
TCLK
GPIO13/NVRAM_SCL
RMDATA6
RMDATA5
RMDATA2
RMDATA4
RMDATA3
RMDATA[0..7]
RMDATA7
RMDATA0
RMDATA1
RMDATA0
RMDATA7
RMDATA4
RMDATA2
RMDATA5
RMDATA6
RMDATA3
RMDATA1
TXD
ROM_OEn
FLASH_OEn
A17
OG5
OG2
OG6
OG3
OG4
OG7
/WR
RMADDR9
RMADDR7
RMADDR0
RMADDR3
RMADDR7
RMADDR2
RMADDR0
RMADDR5
RMADDR2
RMADDR8
RMADDR10
RMADDR7
RMADDR13
RMADDR6
RMADDR6
RMADDR4
RMADDR14
RMADDR4
RMADDR10
RMADDR9
RMADDR3
RMADDR6
RMADDR11
RMADDR0
RMADDR10
RMADDR11
RMADDR3
RMADDR5
RMADDR4
RMADDR8
RMADDR1
RMADDR8
RMADDR9
RMADDR15
RMADDR1
RMADDR2
RMADDR14
RMADDR12
RMADDR5
RMADDR13
RMADDR[0..15]
RMADDR11
RMADDR15
RMADDR1
RMADDR13
RMADDR14
RMADDR12
RMADDR12
RMADDR15
A16
OB1
OB0
OG1
OG0
OR1
OR0
EB1
EB0
EG1
EG0
ER1
ER0
SDA
XTAL
GPIO3/TIMER1
GPIO7
GPIO6
GPIO1/PWM1
GPIO2/PWM2
GPIO8/IRQINn
GPIO0/PWM0
GPIO21/IRQn
GPIO12/NVRAM_SDA
RXD
SCL
/RESET
LVDS_EN
TXD
RXD
2.5V_VDD
3.3V_AVDD
GND
3.3V_AVDD
3.3V_AVDD
3.3V_DVDD
+3.3V
+2.5V
2.5V_AVDD
GND
2.5V_AVDD
+5V
+5V
+5V
+5V
3.3V_AVDD
3.3V_DVDD
GND
GND
GND
GND
GND
GND
GND
2.5V_VDD
3.3V_DVDD
GND
+5V
GND
GND
3.3V_DVDD
GND
GND
3.3V_DVDD
3.3V_DVDD
+3.3V
3.3V_DVDD
C41
0.1uF
C39
0.1uF
C15
0.1uF
R40
NC/10K
R47
NC/10K
X1
14.318MHz
R42
NC/10K
C47
0.1uF
C46
22uF
6.3V
C44
0.1uF
R41
NC/10K
C43
0.1uF
R48
10K
R33
NC/10K
R26
0R
R43
NC/10K
U6
AT49HF/F010-45JC
3
29
28
4
25
23
26
27
5
6
7
8
9
10
11
12
21
20
19
18
17
15
14
13
24
31
32
1
16
2
30
22
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
OE
WE
VCC
NC
GND
A16
NC/A17
CE
R34
NC/10K
NC/CN3
E&T 96113-0512
1
2
3
4
C35
0.1uF
R35
NC/10K
C40
0.1uF
U7
MCP809-300
BAV99L SIZE
3
2
1
VCC
Reset
GND
C36
0.1uF
3.3V_A
AGND
Int_Test
U4
gm5115 Family
PQFP208
171
170
167
166
163
162
179
180
185
186
191
192
151
152
40
41
42
43
44
45
50
51
52
118
115
117
116
195
194
174
205
204
5
4
6
7
39
201
25
24
23
22
19
18
17
16
15
8
35
34
33
32
31
30
29
28
9
10
14
12
13
11
36
155
153
165
169
161
158
157
178
2
20
53
67
81
97
111
129
26
88
134
203
176
113
114
175
182
184
188
190
197
198
199
150
149
148
146
144
141
139
145
140
137
136
3
21
38
54
68
82
98
112
130
89
133
202
135
156
154
177
183
189
147
143
138
200
159
61
62
65
66
69
70
71
72
94
93
75
76
77
78
79
80
74
73
85
86
87
90
91
92
84
83
95
96
99
100
101
102
64
63
105
106
107
108
109
110
104
103
27
131
142
132
173
181
187
193
196
164
168
172
160
60
59
58
57
56
55
37
119
120
121
122
123
124
125
126
127
49
48
128
47
46
206
207
208
1
RED+
RED-
GREEN+
GREEN-
BLUE+
BLUE-
RX2+
RX2-
RX1+
RX1-
RX0+
RX0-
XTAL
TCLK
GPIO0/PWM0
GPIO1/PWM1
GPIO2/PWM2
GPIO3/TIMER1
GPIO4/UART_D1
GPIO5/UART_D0
GPIO11/ROM_WEn
GPIO12/NVRAM_SDA
GPIO13/NVRAM_SCL
DCLK
DEN
DVS
DHS
RXC-
RXC+
REXT
GPIO16/HFSn
GPIO22/HCLK
RESETn
GPIO21/IRQn
DDC_SCL
DDC_SDA
GPIO21/IRQINn
CLKOUT
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
VDD1_ADC_2.5
VDD2_ADC_2.5
AGND_GREEN
AGND_RED
AGND_BLUE
AGND_ADC
SGND_ADC
AGND_RX2
RVDD
RVDD
RVDD
RVDD
RVDD
RVDD
RVDD
RVDD
CVDD_2.5
CVDD_2.5
CVDD_2.5
CVDD_2.5
VDD_RX2_2.5
PPWR
PBIAS
AGND_IMB
VDD_RX1_2.5
AGND_RX1
VDD_RX0_2.5
AGND_RX0
AGND_RXC
AGND_RXPLL
VDD_RXPLL_2.5
AVDD_RPLL
AVSS_RPLL
VDD_DPLL_3.3
AVDD_SDDS
VDD_SDDS_3.3
AVDD_DDDS
VDD_DDDS_3.3
AVSS_SDDS
AVSS_DDDS
HSYNC
VSYNC
RVSS
RVSS
RVSS
RVSS
RVSS
RVSS
RVSS
RVSS
RVSS
CVSS
CVSS
CVSS
CVSS
GND1_ADC
GND2_ADC
GND_RX2
GND_RX1
GND_RX0
VSS_DPLL
VSS_SDDS
VSS_DDDS
N/C
ADC_TEST
PD6/ER6
PD7/ER7
PD10/EG2
PD11/EG3
PD12/EG4
PD13/EG5
PD14/EG6
PD15/EG7
PD33/OG1
PD32/OG0
PD18/EB2
PD19/EB3
PD20/EB4
PD21/EB5
PD22/EB6
PD23/EB7
PD17/EB1
PD16/EB0
PD26/OR2
PD27/OR3
PD28/OR4
PD29/OR5
PD30/OR6
PD31/OR7
PD25/OR1
PD24/OR0
PD34/OG2
PD35/OG3
PD36/OG4
PD37/OG5
PD38/OG6
PD39/OG7
PD9/EG1
PD8/EG0
PD42/OB2
PD43/OB3
PD44/OB4
PD45/OB5
PD46/OB6
PD47/OB7
PD41/OB1
PD40/OB0
CVSS
Reserved
N/C
Reserved
AVDD_IMB
AVDD_RX2
AVDD_RX1
AVDD_RX0
AVDD_RXC
AVDD_BLUE
AVDD_GREEN
AVDD_RED
AVDD_ADC
PD5/ER5
PD4/ER4
PD3/ER3
PD2/ER2
PD1/ER1
PD0/ER0
RVDD
TCON_OSP
TCON_OPOL
TCON_OINV
TCON_ESP
TCON_EPOL
TCON_EINV
TCON_RSP2
TCON_RSP3
TCON_RCLK
GPIO10/TCON_ROE3
GPIO9/TCON_ROE2
TCON_ROE
GPIO7/TCON_TDIV
GPIO6/TCON_SHC
GPIO20
GPIO19
GPIO18
GPIO17
L1
BLM21P300S
C24
22uF
6.3V
C33
0.1uF
C48
100pF
R39
10K
C16
0.1uF
C30
0.1uF
C14
0.1uF
C17
0.1uF
R32
NC/10K
C50
22pF
R24
10K
L3
BLM21P300S
L2
BLM21P300S
C18
0.1uF
R66
10K
R30
NC/10K
R29
NC/0
C19
0.1uF
SW1
SW PUSHBUTTON
R28
10K
C28
0.1uF
C27
0.1uF
R67
10K
U5
AT24C16-10SC-1.8
4
8
1
2
3
7
6
5
GND
VCC
A0
A1
A2
WP
SCL
SDA
C52
0.1uF
R31
10K
R27
1K
1%
C31
0.1uF
C32
0.1uF
R63
0
C11
0.1uF
C20
0.1uF
R25
10K
C12
0.1uF
R65
0
C38
0.1uF
C45
0.1uF
C21
0.1uF
C51
0.1uF
R64
0
C22
0.1uF
C29
0.1uF
C37
0.1uF
R44
NC/10K
C34
0.1uF
C25
0.1uF
C42
0.1uF
R45
NC/10K
C26
0.1uF
R38
10K
C49
22pF
R36
10K
R46
NC/10K
C13
0.1uF
R37
10K
PBIAS
SHT-7
PPWR
SHT-5
DDC_SCL
SHT-3
DDC_SDA
SHT-3
HSYNC
SHT-3
RX1-
SHT-3
RED-
SHT-3
RX0-
SHT-3
RX1+
SHT-3
RXC+
SHT-3
VSYNC
SHT-3
GREEN+
SHT-3
RX2+
SHT-3
RED+
SHT-3
RX0+
SHT-3
BLUE-
SHT-3
GREEN-
SHT-3
RX2-
SHT-3
BLUE+
SHT-3
RXC-
SHT-3
EG[0..7]
SHT-5,6
DHS
SHT-5,6
EB[0..7]
SHT-5,6
OR[0..7]
SHT-5,6
ER[0..7]
SHT-5,6
OG[0..7]
SHT-5,6
OB[0..7]
SHT-5,6
DEN
SHT-5,6
DCLK
SHT-5,6
DVS
SHT-5,6
KEY DOWN
SHT-5
BRI_ADJ
SHT-5
SDA
SHT-3
SCL
SHT-3
LED_G
SHT-5
AUDIO_ON
SHT-5
LED_Y
SHT-5
PCDETECTD
SHT-3
PCDETECTA
SHT-3
HCLK
SHT-3
HFSn
SHT-3
LVDS_EN
SHT-5
KEY ONOFF
SHT-5
KEY LEFT
SHT-5
KEY UP
SHT-5
KEY RIGHT
SHT-5
Summary of Contents for AL922
Page 21: ...21 3 3 BLOCK DIAGRAM ...
Page 31: ...31 7 TROUBLESHOOTING 7 1 Main Procedure ...
Page 32: ...32 7 1 1 Power Circuit Troubleshooting ...
Page 33: ...33 7 1 2 Backlights Troubleshooting ...
Page 34: ...34 7 1 3 Performance Troubleshooting ...
Page 35: ...35 7 1 4 Function Troubleshooting ...
Page 38: ...38 Back Cover Cable Cover Gap 0 8 mm B 1 2 mm Base Cover Neck Cover Gap 0 8 mm C 1 2 mm ...
Page 42: ...42 WAVESHAPE ...
Page 48: ...48 APPENDIX A PARTS LISTS ...
Page 50: ...50 A 4 461A7830011 Firmware Ctrl Board VL 901 ...
Page 53: ...53 APPENDIX B DISPLAY UNIT ASSEMBLY ...