Sony KP-44PS2 Service Manual page 50

Projection tv
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TO H1 BOARD
TO M BOARD
B
C1
CN3102
CN9001
CN1302
CN1001
CN1801
CVBS IN
A12
AV LINK
A4
TRAP
TRAP
B3
SDA
SDA
A6
SCL
SCL
B6
HP M
HP MAIN IN
A22
VP M
VP MAIN IN
A23
V M
V MAIN IN
A24
U M
U MAIN IN
A25
Y M
Y MAIN IN
B25
HP S
HP SUB IN
A19
VP S
VP SUB IN
B19
V S
V SUB IN
A20
U S
U SUB IN
B20
Y S
Y SUB IN
B21
A
+9V
A16
+9V
+6.5V
A17
+6.5V
TO J BOARD
CN8101
Q1106
STBY
HP MUTE
A3
HP MUTE
C SP +
CENTER(+)
B1
C SP -
CENTER(-)
B2
HP R
HP R OUT
B11
HP L
HP L OUT
B12
SW2
SW2(NC)
A8
SUB A
SUB AUDIO
A11
R-TV
R-TV
A9
L-TV
L-TV
A10
MAIN R
MAIN R OUT
B9
MAIN L
MAIN L OUT
B10
Q1301,1302
CVBS1 OUT
A1
BUFF,CLAMP
Q1305,1306
CVBS2 OUT
A2
BUFF,CLAMP
TU1302
SUB TUNER
– 52 –
TO D BOARD
C2
D
CN5016
FOR CHECK
CN1504
IC1402
RGB MATRIX
Y S
HP SUB
28
YINA
HPOUT
17
U S
VP SUB
27
UINA
VPOUT
16
V S
26
VINA
HP S
Q1401,1410,1411
Y SUB
25
HPINA
YOUT
21
BUFF,CLAMP
VP S
24
VPINA
HP 100
6
HPINB
VP 100
Q1412
U SUB
7
VPINB
UOUT
20
TXT R
BUFF
Q1402
5
RINB
BUFF
TXT G
V SUB
Q1404
Q1413
3
GINB
VOUT
19
BUFF
BUFF
TXT B
Q1406
4
BINB
YSB
1
BUFF
Q1303,1304
BUFF,CLAMP
CN1901
TU1301
MAIN TUNER
TO S BOARD
H1
H2
CN4701
TO B3 BOARD
TO D BOARD
E1
E2
F
CN502
CN5017
CN1502
CN1201
IC1401
I/O EXPANDER
SDA
14
SDA
CNT SP
4
SCL
15
SCL
OC PROT
10
ATT SW
CP1301
Q1307
OV
SPLITTER
5
1
SW
PROT
RF SPLITTER
SW
Q1408
Q1205
AUDIO
3
9
PROT
SW
PROT SW
TRAP
6
TRAP
VCOMP
7
VCOMP
Q1202-1204
AUDIO DET,PROT
Q1201,1206,1207
MUTE SW
Q1103-1105
RELAY DRV.
RY1101
IC1101
AUDIO AMP
5
1
M
7
L+IN
L OUT
4
2
11
R+IN
R OUT
2
3
4
RY1102
CN1301
TO HB BOARD
I
CN3502
– 53 –
TO G BOARD
G
CN6303
CN1501
CN1606
STBY +5V
Q1409
+10.5V
AC ON/OFF SW
VCOMP
Q1421,1422
INV,SW
Q1101,1102
+10.5V
PROTECT
IC1602
+9V REG
+9V
O
I
+10.5V
IC1601
+5V REG
+5V-TU
O
I
+6.5V
IC1603
+3.3V REG
+3.3V
O
I
CN1102
SP OUT L
IC1604
+2.5V REG
L
AUDIO GND
+2.5V
O
I
IC1605
+5V REG
SP OUT R
R
+5V-B3
O
I
AUDIO GND
A
(AUDIO OUT,TUNER,AUDIO PROTECT)
– 54 –
CN1404
HD
A2
HD
HP
B2
FB PLUSE
VTIM
A3
VTIM/TEST
EW
B3
EW
V+
A4
V+
V-
A5
V-
VPROT
A7
VPROT
XRAY
A8
XRAY
ABL
B8
ABL
H SHIFT
A15
H SHIFT
Y100
B18
Y100
U100
B19
U100
V100
B20
V100
J
A20
DPIC SW
TO E BOARD
CN4101
HP100
A1
H DEFL
VP100
A6
V DEFL
SDA
A16
SDA
SCL
B16
SCL
TXT R
A10
TEXT RED
TXT G
B10
TEXT GREEN
TXT BLK
A11
TEXT BLK
TXT B
B11
TEXT BLUE
B7
ABL2
+12V
B4
+12V
DEF +9V
B17
DEF +9V
CN1605
+17V
1
+17V
K
-17V
2
-17V
TO G BOARD
CN1605
CN1603
+6.5V
3
+6.5V
4
+6.5V
5
+6.5V
L
+10.5V
9
+10.5V
TO G BOARD
10
+10.5V
CN6303
CN1503
DEF +9V
1
DEF +9V
+5V
3
D+5V
M
+9V
5
+9V
TO D BOARD
+12V
7
+12V
CN5018

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