GDM-F520
— 20 —
4-3. BLOCK DIAGRAMS
A2 BLOCK DIAGRAM, H2 BLOCK DIAGRAM, AND L2 BLOCK DIAGRAM
LED DRIVE
Q1400
D1400
A
G
LED DRIVE
Q1401
POWER
S1402
CONTROL /
CONTRAST
H2
(USER CONTROL)
L2
(CY, LCC)
2
3
4
5
8
12
13
14
WAKE UP
KEY SCAN
LED1
LED2
INPUT SW
T_AMB
VY
VX
CN1400
CN1401
D
TO D BOARD
CN1103
E
TO N BOARD
CN1003
TO MAGNETIC
SENSOR UNIT
4
5
6
7
8
GXSC
GYSC
LCC NS
IIC SDA
IIC SCL
CN1603
F
TO D BOARD
CN1106
Q1402
S1401
S1403
PICTURE
MODE
S1400
MENU
3
2
VX
VY
5V
5V
INPUT1
INPUT2
IC1603
4
2
1
+
-
2
1
4
3
21
20
IC1602
DAC
SDA
SCL
AO2
AO1
AO4
AO3
LCC-NS
1
2
LCC-NS (+)
LCC-NS ( -)
CN1600
1
2
3
4
5
6
7
8
LCC-LT (+)
LCC-LT ( -)
LCC-LB (+)
LCC-LB ( -)
LCC-RT (+)
LCC-RT ( -)
LCC-RB (+)
LCC-RB ( -)
CN1602
LCC-LT
LCC-LB
LCC-RT
LCC-RB
IC1601
(1/2)
2
3
4
+
-
IC1601
(2/2)
8
7
6
+
-
IC1600
(1/2)
2
3
4
+
-
IC004
AMP
IC1600
(2/2)
8
7
6
+
-
IC1604
(1/2)
2
3
4
+
-
IC1604
(2/2)
8
7
6
+
-
3
4
1
2
CY4+
CY4 -
CY3+
CY3 -
CN1601
TH1400
CN307
HD15
5
4
3
2
1
10
15
9
14
8
13
7
12
6
11
INPUT1(HD15)
A
TO D BOARD
CN1102
2
4
6
7
8
25
28
31
22
23
24
23
22
10
12
14
15
16
13
18
B2
G2
R2
V2
H2
OS
D
R
OS
D
G
OS
D
B
OS
D
BL
K
V_
DE
T
BL
K
CL
AM
P
V
OU
T
G.
SY
NC
R OUT
G OUT
B OUT
26
28
30
2
8
12
7
4
2
R OUT
G OUT
B OUT
4
6
14
R OUT
G OUT
B OUT
R IN
G IN
B IN
R IN
G IN
B IN
COF R
COF G
COF B
SCL
SDA
B1
G1
R1
V1
H1
SW
H OUT
22
23
SCL
SDA
5BNC
INPUT2
(BNC)
IC003
OSD
IC008
INPUT SELECT
IC001
RGB PRE-AMP
IC002
RGB AMP
15 14 13 12
18 20 19 21
14
4
5
2
1
32
31
30
4
3
12
13
27
23
24
25
SOG
SYNC IN
RCI
GCI
BCI
XTAL IN
HS OUT
VS OUT
ECO SW
SCL
SDA
HS OUT
VS OUT
ECO SW
SCL
SDA
SCL
SDA
HS OUT
VS OUT
ECO SW
CS IN
VS IN
HS IN
IC011
HEATER REG
X001
24.5MHz
19 21
H
FL
Y
OS
D
R
OS
D
G
OS
D
B
OS
D
BL
K
AV
BL
K
CL
P
BUFFER
Q101,
Q201,
Q301
1
2
4
6
7
8
9
+B
+B
+80V
+12V
7V
3.3V
5V
+B
+80V
+12V
7V
3.3V
5V
CN312
G2
1 G2
CN318
5
3
1
7
KR
KG
KB
CN315
5
3
1
7
KR
KG
KB
FV
FC
HV
CN318
V901
PICTURE TUBE
7
10 17 18
11 10
2
C
TO D BOARD
CN604
TO D BOARD
FBT
A2
(VIDEO AMP, RGB OUT)
Vcc
CTL
OUT
VADJ
7V
10
11
12
7
8
9
1
4
15
16
2
3
13
DDC GND1
DDC SCL1
DDC SDA1
DDC GND2
DDC SCL2
DDC SDA2
H BLK
INPUT SW
IIC SCL
IIC SDA
HS OUT
VS OUT
ECO SW
CN311
11
10
9
8
IC006
INVERTER
IC007
ROM
3
4
5
6
1
2
SDA
SCL
VCLK
5
6
7
3.3V
B
8
9
2
4
6
VD2
HD2
BLUE2
GREEN2
RED2
CN313
ı
ˇ
��
��
2
4
IC005
INVERTER
8
9
10
+
-
R CUT OFF
Q105, Q106
7
6
5
+
-
1
2
3
+
-
G CUT OFF
Q205, Q206
B CUT OFF
Q305, Q306