5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
PG
VBR_EXTVBR_EXTVBR_EXT
POWER_EN
POWER_EN
POWER_EN_A
POWER_EN_A
BKLT_EN
VBR_OUT
BKLT_EN
VCC3_3
G_ZR670
+5V_MCU
5V_SW
G_ZR670
G_ZR670
G_PWR
G_PWR
G_PWRG_PWR
G_PWR
G_ZR670G_ZR670
+5VSBY
G_ZR670
G_ZR670
G_ZR670
12VSW
G_PWR
G_PWR
G_PWR
LVDS_PWR
G_PWR
+5VSBY
+5V_MCU
5V_SW
G_PWRG_PWRG_PWR
+24V
G_ZR670G_ZR670
12VSW
+5V_MCU
+5V_MCU
G_ZR670
G_PWR
G_PWR
G_ZR670
LED_C12
PWR_ON12
LCD_ON4
PANEL_PWR_EN4
PW5V_ON12
VBR_EXT 10
VBR_OUT 10
BL_PWM_CNTRL 11
BL_BR_CNTRL10
PG4,9,12
VBR_LIMIT 11
Title
Size Document Number Rev
Date: Sheet
of
401C17
1A
SCHEMATIC, M/B VTV-L42008
COMPAL OPTOELECTRONICS CO., LTD
B
16 18Tuesday, September 01, 2009
Title
Size Document Number Rev
Date: Sheet
of
401C17
1A
SCHEMATIC, M/B VTV-L42008
COMPAL OPTOELECTRONICS CO., LTD
B
16 18Tuesday, September 01, 2009
Title
Size Document Number Rev
Date: Sheet
of
401C17
1A
SCHEMATIC, M/B VTV-L42008
COMPAL OPTOELECTRONICS CO., LTD
B
16 18Tuesday, September 01, 2009
Backlight ENABLE
2500mA
LOW = Panel OFF
HIGH = Panel ON
panel 42" -> power 12V LGD; AUO
POWER MOUDLE
îî
24V=0.6A
12V=2A
5VSB=2A
panel 32" -> power 12V AUO
CONNECT TO POWER BOARD
panel 26" -> power 12V AUO
Modify R841 from NC to 0, R839 from NC to 2.2k 1/30
R837 from NC to 2.2K,Q809 from NC to DTC114EE
panel 19" -> power 5V LGD
Panel 19" Power Change
L829 L830
MountNC
20081230 cange to 3.3K
20090105 cange to NC
20090118 from 4.7Kcange to 1K
Power ON -- 5V
Power OFF -- 0V
Power ON -- 5V
Power OFF -- 0V
Inv
DIM
ACD
P_O/F
20090331 10Kcange to 4.7K
20090424 from 470uFcange to 220uF
Panel Backlight DC & PWM control difference
Model C967(0.1UF) C968(100UF)
SSA19UTA
SSA26UTA
Control
SSA32UTA
SSA42UTA
SSA42UGA
DCV
PWM
PWM
PWM
PWM
NC NC
NC NC
NC NC
NC NC
Mount Mount
Q801
MMBT3904L
Q801
MMBT3904L
CE
B
R830
0
R830
0
L831
KHB0805Q300SA
L831
KHB0805Q300SA
Q807
MMBT3904L
Q807
MMBT3904L
C
B
E
Q806
MMBT3904L
Q806
MMBT3904L
C
B
E
U809
APM4435
U809
APM4435
S
1
S
2
S
3
G
4
D
8
D
7
D
6
D
5
C966
1000uF/10V
C966
1000uF/10V
R826
510
R826
510
R847
0
R847
0
R841
0
R841
0
R844
0/NC
R844
0/NC
Q802
MMBT3904L
Q802
MMBT3904L
B
E C
Q809
DTC114EE
Q809
DTC114EE
B
E
C
R855
3.3K
R855
3.3K
R821
4.7K/1206
R821
4.7K/1206
C969
100pF/50V/NC
C969
100pF/50V/NC
L830
KHB0805Q300SA/NC
L830
KHB0805Q300SA/NC
C970
100pF/50V
C970
100pF/50V
R836
560
R836
560
+
C990
220uF/16V/DIP
+
C990
220uF/16V/DIP
G
S
D
Q808
2N7002
G
S
D
Q808
2N7002
R816 47KR816 47K
R851
4.7K/NC
R851
4.7K/NC
R839
2.2K
R839
2.2K
L829
KHB0805Q300SA
L829
KHB0805Q300SA
L828
2.2uH
L828
2.2uH
C998
100nF
C998
100nF
R837
22K
R837
22K
R817
47K
R817
47K
R846 0/NCR846 0/NC
R824
220K
R824
220K
CN801
JWT A2001WV2-16P-6T 16P P2.0
CN801
JWT A2001WV2-16P-6T 16P P2.0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
R829
1K
R829
1K
R825
2.2K/NC
R825
2.2K/NC
R834
100/NC
R834
100/NC
C963
1uF
C963
1uF
R827
1K
R827
1K
R815 100R815 100
R838
10K
R838
10K
Q810
MMBT3904L/NC
Q810
MMBT3904L/NC
C
B
E
R831
4.7K
R831
4.7K
R813
4.7K/1206
R813
4.7K/1206
D801
1N4148
D801
1N4148
TP804TP804
C971
SE10uF/16V
C971
SE10uF/16V
12
R833
4.7K
R833
4.7K
C997
SE100uF/25V
C997
SE100uF/25V
R823
47K
R823
47K
C967
0.1uF/NC
C967
0.1uF/NC
C968
SE100uF/25V/NC
C968
SE100uF/25V/NC
C965
10uF/16V
C965
10uF/16V
Q805
MMBT3904L
Q805
MMBT3904L
C
B
E
R828
0
R828
0
C991
SE10uF/16V
C991
SE10uF/16V
12
R835
0
R835
0
U808
APM4435
U808
APM4435
S1
1
S2
2
S3
3
G
4
D1
5
D2
6
D3
7
D4
8
R843
4.7K
R843
4.7K
R850
1K5 1%/NC
R850
1K5 1%/NC
L827
KC PBMA-L11-321611-300LMA60T
L827
KC PBMA-L11-321611-300LMA60T
R856
0
R856
0
R842
10K
R842
10K
R822
4.7K/1206
R822
4.7K/1206
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