Philips 32PFL4606H/60 - Gamma & VCOM

Circuit Descriptions
EN 36 TPM7.1E LA7.
2011-Aug-19
7.4.16 Gamma & VCOM
U7001 stores gamma and V-COM data, the data is depends on
the LCD panel, gamma data can be auto written 3 times by the
software initially or written by tooling via CN7003.
Figure 7-18 Gamma & VCOM
19090_223_110505.eps
110505
VCOML
VCOM
GMA16
GMA4
GMA13
GMA3
VCOMRFB VCOMLFB
VCOM_FB
VCOM_FB
GMA12
GMA15
GMA7
VCOM
GMA6
VCOMR
OSDA0
OSCL0
TouchKeyIIC
TCON_VCC
TCON_VDD
OSCL0
12,15,16
OSDA0 12,15,16
U7001
MAX9668ETP+
U7001
MAX9668ETP+
SDA
1
A0
2
DVDD
3
AGND_AMP
4
VCOM
5
VCOM_FB
6
AVDD_AMP
7
AVDD
8
N.C.
9
GMA1
10
GMA2
11
GMA3
12
GMA4
13
GMA5
14
GMA6
15
AVDD
16
N.C.
17
GMA7
18
GMA8
19
SCL
20
Thermal Pad
21
R7010
20R 5% 1/16W
R7010
20R 5% 1/16W
CN7003
CONN
CN7003
CONN
1
2
3
4
R7096
4.7K
R7096
4.7K
R7011
0R05OHM1/16W
R7011
0R05OHM1/16W
C7005
10uF 25V
C7005
10uF 25V
C7057
10uF 10V
C7057
10uF 10V
R7095 NC/0R05 1/16W R7095 NC/0R05 1/16W
R7088 100R 1/16W 5% R7088 100R 1/16W 5%
R7016
1K 1/16W 5%
R7016
1K 1/16W 5%
R7005
1K 1/16W 5%
R7005
1K 1/16W 5%
C7004
100N 16V
C7004
100N 16V
R7004
20R 5% 1/16W
R7004
20R 5% 1/16W
C7010
100N 25V
C7010
100N 25V
Q7001 2N7002 Q7001 2N7002
Q7000 2N7002 Q7000 2N7002
R7089 100R 1/16W 5% R7089 100R 1/16W 5%
R7091
10K 1/16W 5%
R7091
10K 1/16W 5%
R7006
1K 1/16W 5%
R7006
1K 1/16W 5%
R7012
0R05OHM1/16W
R7012
0R05OHM1/16W
C7018
100N 25V
C7018
100N 25V
R7092
NC/0R05 1/16W
R7092
NC/0R05 1/16W
Q7003 2N7002 Q7003 2N7002
Q7002 2N7002 Q7002 2N7002