Schematic; Main Board - HCL HCM9LWAN21 Service Manual

19"W LCD Color Monitor

6. Schematic

6.1 Main Board

715G2507 1 2
CN201
1
2
3
4
5
6
CONN
CN202
1
Bright
2
3 Auto
4 Contrast
5
6
7
8 Menu
C209
CONN
0.1uF/16V
R207
120R 1/16W 5%
LED_R
LED_G
BKLT-EN
BKLT-VBRI
DIM# {4}
CMVCC
CMVCC
Back light
Dimming(0.5V~3V)
R203 10K 1/16W 5%
R204 3.9K OHM 1/16W
R205 3.9K OHM 1/16W
POWER_KEY #
LED_R
LED_G
R206 10K 1/16W 5%
ZD202 ZD201 ZD203
C201 C210
0.1uF/16V 0.1uF/16V
UDZSNP5.6B UDZSNP5.6B UDZSNP5.6B
VCC3
R208
120R 1/16W 5%
Q204
PMBS3906
R210 10K 1/16W 5%
LED_R#
R213 10K 1/16W 5%
LED_G#
Q205
PMBS3906
MVCC
CMVCC
FB201
3
120OHM
C202 + C204
0.1uF/16V
KEY 0 {4}
KEY 1 {4}
POWER_KEY# {4}
* BKLT-EN High ON(3.3V)
BKLT-EN
{4}
TPV（Top Victory）Electronics Co.,Ltd
{4}
Title
Size Document Number
A
Date: Saturday , September 22, 2007
17
FB202
NC
VCC3
U201
2
VIN VOUT
AP1117E33LA C205 + C203
100uF 16V
0.1uF/16V
VCC3
R202
4K7 1/16W 5%
R201
200 OHM 1/16W
C206
Q202
INV_ON#
0.1uF/16V PMBS3904
02.POWER
G2507-B-2-X-3-070922
Sheet 2 of
HCL HCM9LWAN21
{4}
Rev
F
6