Block Diagrams - Sony KP-44PX3 Service Manual

7-1. BLOCK DIAGRAMS (1)

TUNER
TU1100
AGC DEFEAT
AGC
SWITCH IC2000
FROM B BOARD
Q1100 SOUND PROCESSOR
CONNECTOR
SCL
2
SDA
3
FM/AM
60
QSS
67
CVBS ANALOG RF
IC2300
HEADPHONE AMPLIFIER
CN2300
6 HP L-OUT
3 6 25
2 HP R-OUT
1 7 24
TO H1 BOARD
RESET AUDIO
CN2912 21
1 KEY 1/WOOFER MUTE
7 KEY 2
CN3013
2 BINT 12 CDIS
TO D BOARD 4 SDA
CN8023
3 SCL
CN3011
4 V DRV-
3 V DRV+
TO D BOARD
9 E/W
CN8025
6 H-LIN-PARA Q5200
DREF
Q5201
H2 IN DC
Q5204
CN3012 Q5205
8 AFC PULSE
3 HD
TO D BOARD
CN8031 6 X RAY
5 V PROT
CN6200
2 DGC RY
TO G BOARD
CN6008 1 MAIN RY
CN6207
10 OCP
TO G BOARD
11 OVP
CN6006
CN8511
3 RE-YS/YM
4 RE-B
TO D BOARD
5 RE-G
CN8029
6 RE-R
1 H SHIFT
CN3002
32 SDA
33 SCL
22 L-SPK
20 R-SPK
25 ANA-RF-L
26 ANA-RF-R
35 CVBS ANALOG RF
30 AC MONITOR
3 CVBS/Y MAIN Y-M
4 C MAIN C-M
TO J BOARD
6 CVBS/Y SLAVE Y-S
CN3604
7 C SLAVE C-S
9 BLUE 1 B1
10 GREEN 1 G1
11 RED 1 R1
12 FS1 FS1
14 GREEN 2 G2
15 BLUE 2 B2
16 FS2 FS2
17 RED 2 R2
27
28
71
X2000
72
L-SPK
56
R-SPK
57
ANA-RF-R
33
AC MON CIRCUIT
ANA-RF-L
34 STBY AC Q6201, Q6204,
LINE MUTE
Q6205, Q6207
MUTE CIRCUIT
Q2200 & Q2300
POWER OFF
AC MONITOR POWER OFF
Q2301 & Q2302
MUTE
Q2501
A ( )
AUDIO, DEFLECTION,
TUNER, J, B INTERFACE
IC2200
AUDIO AMP J2200
REAR-R
3 1
SPEAKER
REAR-L
5 7
IC2500
AUDIO AMP
CN2501
R 1
7 2
TO
L 4
SPEAKERS
11 4
CN6202
AU+ 1
AU+ PS2000
AU+ 2
TO G BOARD
AU- 6
CN6012
AU- PS2001
AU- 7
CN5209
SCL 2
SDA 3
SERVICE
12 CDIS CS 4
CN0001
LUMISPONDER 5
LED 2 TO F1 BOARD
CN0982
SIRCS 1
CN5207
SIRCS A14
LED A15
LUMISPONDER A7
V DRV- C12
V DRV+ B11
E/W C11
AFC PULSE C8
HD B5
X RAY B7
VSAW C7
KEY 1 A13
KEY 2 A5
RESET AUDIO A18
LINE MUTE A17
AUDIO MUTE A16
DGC SW A12
MAIN SW A11
OCP OCP-OVP A9
OCP/OVP
LATCH
OVP OCP-UC A10
Q6202, Q6203
TO B BOARD
HTRAP/PJ-FB B12
CN3100
DQPVCOMP/PJ-B C6
DQPVCOMP/PJ-G B6
DQPVCOMP/PJ-R C5
ROT/H SHIFT B13
12 CDIS B28
Y-M CVBS MAIN B32
C-M C MAIN A32
Y-S CVBS SLAVE A31
C-S C SLAVE A30
B1 BLUE 1 A29
G1 GREEN 1 A28
R1 RED 1 A27
FS1 FS1 A26
G2 GREEN 2 A24
B2 BLUE 2 A23
FS2 FS2 A22
R2 RED 2 A21
- 35 -
POWER
CN6400 CN6401
F6400
2 AC IN AC OUT 1
TO G BOARD TO G BOARD
CN6003 CN6001
1 AC IN AC OUT 2
S6400
CN0982
STB +5V
LED 2
IC0981
TO A BOARD
RPM7240-H5 D0983
CN0001
SIRCS 1
OUT
F1 ( )
AC IN, POWER SWITCH,
LED AND SIRCS
RECEIVER
CN2912
HP L 6
HP R 2
TO A BOARD
CN2300 HEADPHONES
KEY 1 1
S0900 - S0906
KEY 2 7
CN2900
CN2909
L 5
L
R 8
R
TO J BOARD VIDEO
CN3600
1
Y/CVBS 3 Y/C
3
C 1
4
2
H1( )
AV INPUT,
HP OUT
J2901