Gamma & Vcom - Philips 32PFL4606H/60 Service Manual

EN 36 7. TPM7.1E LA
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.
VCOM
10uF 10V 10uF 10V
CN7003 CN7003
R7088 R7088
1
R7089 R7089
2
3
4
CONN CONN
2011-Aug-19
Circuit Descriptions
R7016 R7016
1K 1/16W 5% 1K 1/16W 5%
R7011 R7011
VCOMR
0R05OHM1/16W 0R05OHM1/16W
R7012 R7012
VCOML
0R05OHM1/16W 0R05OHM1/16W
C7057 C7057
Q7001 Q7001 2N7002 2N7002
100R 1/16W 5% 100R 1/16W 5%
100R 1/16W 5% 100R 1/16W 5%
R7092 R7092
Q7000 Q7000 2N7002 2N7002
R7095 R7095
Figure 7-18 Gamma & VCOM
TCON_VCC
MAX9668ETP+ MAX9668ETP+
C7004 C7004
100N 16V 100N 16V
12,15,16 OSDA0
VCOM
VCOM_FB
Q7002 Q7002 2N7002 2N7002
OSDA0
NC/0R05 1/16W NC/0R05 1/16W
Q7003 Q7003 2N7002 2N7002
OSCL0
NC/0R05 1/16W NC/0R05 1/16W
TCON_VDD
20R 5% 1/16W 20R 5% 1/16W
R7010 R7010
C7005 C7005
10uF 25V 10uF 25V
U7001 U7001
1
SDA GMA6
2
A0 GMA5
3
DVDD GMA4
4
AGND_AMP GMA3
5
VCOM GMA2
C7010 C7010 C7018 C7018
100N 25V 100N 25V 100N 25V 100N 25V
R7004 R7004
20R 5% 1/16W 20R 5% 1/16W
GMA13
15
GMA12
14
GMA7
13
GMA6
12
GMA4
11
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