Block Diagrams - Dell P992 Service Manual

4-1. BLOCK DIAGRAMS

A
(VIDEO AMP, RGB OUT)
5 CN313
15
10
VD 8
14
9 4
HD15
HD 9
3
INPUT1 13
8 2
BLUE
(HD15)
2
12 GREEN 4
7
RED 6
1
11
6
CN304
DDC SCL 2
3
DDC SDA
HOST GND 4
CN311
DDC GND 5
DDC SCL 6
DDC SDA 7
H BLK 1
A SCL
IIC SCL 9
SDA
TO D BOARD
IIC SDA 10
CN1102
HS OUT
HS OUT 2
VS OUT
VS OUT 3
5V
CN1400
TH1400
T-AMB 1
KEY SCAN 2
TO D BOARD
D
CN1103
LED1 3
4
LED2
H4
(USER CONTROL)
5
IC009
SDA
ROM
6
SCL
SW
Q004
IC006
SW
INVERTER
Q005
1 2 13
3 4 11
9 8 5
S1401 S1400 S1402 S1404 S1405
– + BRT/+ CONT/– MENU
LED DRIVE
G
Q1400
D1400
LED DRIVE
POWER
A
Q1401
IC001
RGB PRE-AMP
2
B IN
4
G IN
7
R IN
9
SOG OUT
SCL 20
SCL
SDA
19
SDA
15 14 13 12 10 17 18
12
10
6
2 18 20 19 21 7 11 10
SCL
5
SCL
SDA
4
SDA
HS OUT
12
HS OUT
VS OUT
13
VS OUT
IC003
25
HS IN
OSD
24
VS IN
23
CS IN
IC002
RGB AMP
26 8 5
R OUT R IN R OUT
5
3
28 9 3
G OUT G IN G OUT 1
7
30 11 1
B OUT B IN B OUT
IC004
CUT OFF AMP
22 3 7
RIN
COF R ROUT
23 4 8
COF G GIN GOUT
24 5 9
BIN
COF B BOUT
IC011
7V
HEATER REG
2 4
Vcc OUT
5
VADJ
14
XTAL IN
X001
24.5MHz
2 4
IC005
INVERTER
CN315 CN316
V901
KR KR 5
PICTURE TUBE
KG KG 3
KB KB 1
HEATER+ HEATER+ 7
CN318
G2 B
1
TO D BOARD
FBT
CN312
1 +B
+B 2 +B
+80V
4 +80V
C
+12V 6 +12V
7V 7 7V
TO D BOARD
CN604
3.3V
8 3.3V
5V 9 5V
B-SS9330<U/C>-BD1-EPS05