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GDM-C520/C520K
— 20 —
4-3. BLOCK DIAGRAMS
A1 BLOCK DIAGRAM, H2 BLOCK DIAGRAM, AND L2 BLOCK DIAGRAM
A
TO D BOARD
CN1102
2
4
6
7
8
4
6
7
8
25
28
31
22
23
24
23
24
23
22
10
12
14
15
16
B1
G1
R1
V1
H1
G1
R1
V1
H1
OS
D
R
OS
D
G
OS
D
B
OS
D
BL
K
V_
DE
T
BL
K
CL
AM
P
H
OU
T
V
OU
T
G.
SY
NC
R OUT
G OUT
B OUT
26
28
30
8
9
11
7
4
2
R OUT
G OUT
B OUT
5
3
1
R OUT
G OUT
B OUT
R IN
G IN
B IN
R IN
G IN
B IN
COF R
COF G
COF B
COF G
COF B
SCL
SDA
B2
G2
R2
V2
H2
13
22
23
23
SW
SCL
SDA
SDA
CN307
HD15
5
4
3
3
2
1
10
15
9
14
8
13
7
12
6
11
CN309
HD15
5
4
3
3
2
1
10
15
9
14
8
13
7
12
6
11
IC003
OSD
IC008
INPUT SELECT
IC001
RGB PRE-AMP
IC002
RGB AMP
15 14 13 12
18 20 19 21
12 11 10
14
3
5
7
5
7
4
5
5
2
32
31
30
31
30
4
3
3
12
13
27
23
24
25
13
27
23
24
25
15
14
13
14
13
ROUT
GOUT
BOUT
GOUT
BOUT
SOG
SYNC IN
RCI
GCI
BCI
GCI
BCI
XTAL IN
HS OUT
VS OUT
ECO SW
VS OUT
ECO SW
SCL
SDA
SDA
HS OUT
VS OUT
VS OUT
ECO SW
SCL
SDA
SCL
SDA
HS OUT
VS OUT
ECO SW
CS IN
VS IN
HS IN
SDA
HS OUT
VS OUT
ECO SW
CS IN
VS IN
HS IN
RIN
GIN
BIN
GIN
BIN
IC004
CUT OFF AMP
IC011
HEATER REG
X001
24.5MHz
18 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
2
4
6
7
8
9
+B
+B
+80V
+12V
7V
3.3V
5V
+B
+80V
+12V
7V
3.3V
5V
+B
+80V
+12V
+12V
7V
3.3V
5V
CN312
G2
1 G2
CN318
5
3
1
7
3
1
7
KR
KG
KB
HEATER+
KG
KB
HEATER+
CN315
5
3
1
7
3
1
7
KR
KG
KB
HEATER+
KG
KB
HEATER+
FV
FC
HV
CN318
V901
PICTURE TUBE
7
10 17 18
11 10
2
C
TO D BOARD
CN604
TO D BOARD
FBT
A1
(VIDEO AMP, RGB OUT)
L2
(CY, LCC)
R_
IK
G_
IK
B_
IK
Vcc
OUT
VADJ
7V
10
11
11
9
7
8
6
1
4
7
8
6
1
4
15
16
16
2
3
3
13
DDC SCL1
DDC SDA1
DDC GND1
DDC SCL2
DDC SDA2
DDC GND2
H BLK
INPUT SW
IIC SCL
IIC SDA
HS OUT
VS OUT
ECO SW
DDC SDA1
DDC GND1
DDC SCL2
DDC SDA2
DDC GND2
H BLK
INPUT SW
IIC SCL
IIC SDA
HS OUT
VS OUT
ECO SW
CN311
1
2
13
12
IC006
INVERTER
IC007
ROM
3
4
11
10
9
8
5
6
SDA
SCL
VCLK
SCL
VCLK
5
6
7
6
7
IC009
ROM
SDA
SCL
VCLK
SCL
VCLK
5
6
7
6
7
4
5
6
7
8
5
6
7
8
GXSC
GYSC
GYSC
LCC NS
IIC SDA
IIC SDA
IIC SCL
CN1603
F
TO D BOARD
CN1106
B
IC1603
4
2
1
+
-
2
1
4
3
1
4
3
21
20
20
IC1602
DAC
SDA
SCL
SCL
AO2
AO1
AO4
AO3
AO1
AO4
AO3
LCC-NS
1
2
2
LCC-NS (+)
LCC-NS ( -)
LCC-NS ( -)
CN1600
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
LCC-LT (+)
LCC-LT ( -)
LCC-LB (+)
LCC-LB ( -)
LCC-RT (+)
LCC-RT ( -)
LCC-RB (+)
LCC-RB ( -)
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
+
-
IC1600
(2/2)
8
7
6
+
-
IC1604
(1/2)
2
3
4
+
-
IC1604
(2/2)
8
7
6
+
-
3
4
1
2
4
1
2
CY4+
CY4 -
CY3+
CY3 -
CY4 -
CY3+
CY3 -
CN1601
2
4
IC005
INVERTER
SW
Q004
SW
Q005
SW
Q002
SW
Q001
LED DRIVE
Q1400
D1400
A
G
LED DRIVE
Q1401
H2
(USER CONTROL)
2
3
4
5
8
3
4
5
8
12
13
14
13
14
WAKE UP
KEY SCAN
LED1
LED2
LED2
INPUT SW
T_AMB
VY
VX
VX
CN1400
CN1401
D
TO D BOARD
CN1103
E
TO N BOARD
CN1003
TO MAGNETIC
SENSOR UNIT
KEY DET
Q1402
S1403
3
2
2
VX
VY
VY
5V
5V
5V
TH1400
INPUT1
INPUT2
1
2
S1402
CONTROL
S1401
PICTURE
EFECT
S1400
MENU
MENU
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