Block Diagram - Sony KP-48PS2 Service Manual

BLOCK DIAGRAM (2)

TO BLOCK DIAGRAM(7)
TO BLOCK DIAGRAM(9)
M BOARD CN9001
H1 BOARD CN3102
B C1
CN1001
CN1302
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
BLOCK +6.5V A17 +6.5V
TO
DIAGRAM(1)
STBY
J BOARD Q1106
HP MUTE A3
CN8101 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
TO BLOCK DIAGRAM(6)
D BOARD CN5016
C2 D
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
VP S BUFF,CLAMP
24 VPINA
HP 100
6 HPINB
VP 100 Q1412 U SUB
7 VPINB UOUT 20
TXT R Q1402 BUFF
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
H1 H2
TO BLOCK DIAGRAM(8)
S BOARD CN4701
TO BLOCK DIAGRAM(3)
B3 BOARD CN502
E1 E2
CN1502 CN1201
IC1401
I/O EXPANDER
SDA
14 SDA CNT SP 4
SCL
15 SCL OC PROT 10
ATT SW
CP1301 Q1307 SPLITTER OV
5 1
SW PROT
RF SPLITTER SW
Q1408 AUDIO
3 9
PROT
SW
TRAP
6 TRAP
VCOMP
7 VCOMP
Q1202-1204
AUDIO DET,PROT
Q1201,1206,1207
MUTE SW
RY1101
IC1101
AUDIO AMP
5
M
7 L+IN L OUT 4
11 R+IN R OUT 2
RY1102
CN1301
I
TO BLOCK DIAGRAM(9)
H2 BOARD CN3202
– 31 –
BLOCK DIAGRAM(9)
TO BLOCK DIAGRAM(6) TO
G BOARD CN6303
D BOARD CN5017
F G
CN1501 CN1606
STBY +5V
Q1409
Q1205
+10.5V
AC ON/OFF SW
PROT SW
VCOMP Q1421,1422
INV,SW
Q1101,1102
+10.5V
PROTECT
IC1602
+9V REG
+9V +10.5V
O I
Q1103-1105
RELAY DRV.
IC1601
+5V REG
+5V-TU
O I
IC1603
+3.3V REG
+3.3V O I
CN1102
1 SP OUT L
IC1604
+2.5V REG
L
2 AUDIO GND
+2.5V O I
IC1605
3 SP OUT R +5V REG
R
+5V-B3
O I
4 AUDIO GND
A
(AUDIO OUT,TUNER,AUDIO PROTECT)
KP-48PS2/61PS2
RM-903
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 BLOCK
DIAGRAM(5)
E BOARD
HP100
A1 H DEFL
CN4101
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
2 -17V
-17V
TO BLOCK
DIAGRAM(9)
G BOARD
CN1603
CN1605
+6.5V 3 +6.5V
+6.5V
4 +6.5V
5 +6.5V L
+10.5V 9 +10.5V
TO BLOCK
10 +10.5V DIAGRAM(9)
G BOARD
CN6303
CN1503
1 DEF +9V
DEF +9V
+5V 3 D+5V
M
+9V 5 +9V
TO BLOCK
7 +12V
+12V
DIAGRAM(6)
D BOARD
CN5018