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Samsung Manuals
Projection TV
PT4298HDX/SMS
Service manual
Samsung PT4298HDX/SMS Service Manual page 81
Projection tv receiver, chassis : p55a n rev.1
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Table of Contents
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9. Wiring Diagram
9-1 Pcb Connection
KEY2
C
GND
GND
O
1 : S2 - C
N
KEY- 2
2 : GND
3 : S2 - I D
KEY- 1
4 : S2 - Y
T
STD- 5V
5 : GND
GND
6 : AV3 - R
R
KEY- 3
7 : GND
8 : GND
I R
9 : AV3 - L
O
TI M ER- LED
1 0 : AV3 - I D
NC
1 1 : GND
L
1 2 : AV4 - CVBS
SDA1
SCL1
GND
SPEAKER
CN601
CN902
CNY01
L- OUT
KEY- 2
1 : S2 - C
GND
KEY- 1
2 : GND
3 : S2 - I D
STD- 5V
R- OUR
4 : S2 - Y
GND
5 : GND
GND
KEY- 3
6 : AV3 - R
I R
7 : GND
8 : GND
TI M ER- L ED
9 : AV3 - L
NC
1 0 : AV3 - I D
SDA1
1 1 : GND
SCL 1
1 2 : AV4 - CVB
S
GND
TDA72525
M
M
T
T
U
U
N
N
E
E
R
R
2
R
F
S
MAIN
Samsung Electronics
DY-B
CG-B
SCREEN
S
GND
I
2 1 0 V
SENSE
KEY2
D
GND
GND
HEATER
GND
GND
E
1 2 V
CRT
B
GND
I K
B
A
SPOT
/
V
GND
VM -
VM-
VM-OUT
VM-OUT
CNW802
CN201
1 5 : COMP
1 4 : POWER
1 3 : STD- BY5 V
1 : 1 17 V
2 : NC
1 2 : GND
3 : GND
1 1 : HD
4 : 1 3. 5 V
1 0 : GND
5 : GND
9 : PROTECT
6 : VM-Y
8 : EW
7 : VD-
6 : VD+
5 : ABL
CN03
4 : 1 0 8 0 i
3 : V- BL K
2 : GND
1 : R
1 : H- BL K
2 : GND
3 : G
4 : GND
CNW801
5 : B
6 : GND
1 4 : 29 V
7 : I K
1 3 : 29 V
1 2 : 29 V- GND
M
1 1 : 29 V- GND
1 0 : - 2 4 V
9 : GND
I
8 : 8 . 5 V
P
7 : 8 . 5 V
6 : GND
C
5 : 1 3 . 5 V
R
4 : SUB- M UTE
C
3 : GND
2 : NC
O
1 : 1 1 7 V
O
G
M
CNZ02
S
M
9 : BV
8 : GND
C
7 : BH
D
6 : GV
5 : GND
A
4 : GH
L
3 : RV
2 : GND
N
1 : RH
CN04
1 : GND
2 : 5V
3 : UP
4 : GND
5 : 5V
6 : RI GHT
7 : GND
TO CG-AMP
8 : 5V
9 : LEFT
10: GN D
11: 5V
12: DOWN
D Y - R
CG-G
DY-G
SCREEN
SCREEN
SCREEN
GND
2 1 0 V
GND
SENCE
GND
2 1 0 V
N. C
2 1 0 V
HEATER
GND
GND
N. C
HEATER
GND
1 2 V
R
CRT
GND
HEATER
CRT
GND
1 2 V
GND
R
1 2 V
I K
SPOT
GND
R
G
R
I K
GND
R
SPOT
I K
GND
SPOT
G
GND
B
VM-
GND
GND
GND
I K
VM-OUT
SPOT. K
D/ F
VM -
VM-
VM-
VM - OUT
VM-OUT
VM-OUT
3 P X 3
VM
1 1 7 V
R / G / B
NC
GND
1 3 . 5 V
GND
VM - Y
CN802
1 4 : POW ER
1 3 : STD- BY5 V
1 2 : GND
TO CG-AMP
1 1 : HD
1 0 : GND
GND-RGB(3P)
9 : PROTECT
8 : EW
7 : VD-
6 : VD+
5 : ABL
4 : 1 0 8 0 i
CN803
3 : V- BL K
2 : GND
1 : H- BL K
4 : - 24 V
3 : GND
CN801
2 : GND
1 : 2 4V
1 4 : 29 V
1 3 : 29 V
1 2 : 29 V- GND
1 1 : 29 V- GND
1 0 : - 2 4 V
9 : GND
8 : 8 . 5 V
7 : 8 . 5 V
6 : GND
5 : 1 3 . 5 V
4 : SUB- M UTE
3 : GND
2 : NC
TRANS
1 : 1 1 7 V
POWER
POWER-SW
SUB
C G - R
D / F
GND
cir cuit
Dynami c
Focus
FOCUS
PACK
R Focus
G Focus
B Focus
CN401
Defelction
DY- R /G / B (4P)
SCREEN
AC-INPUT
Wiring Diagrams
4P X 3
CY- R / G / B
H1
4P X 3
DY-R / G / B
H2
V1
V2
9 : BV
8 : GND
7 : BH
6 : GV
CONV- AMP
5 : GND
4 : GH
3 : RV
2 : GND
1 : RH
DY-R
DY JACKC
DY-G
CONNECTION
DY-B
4P X 1
H1
H2
V1
V2
FBT
TO
CRT-R
9-1
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