Schematic Diagram Of S Board - Sony KP-48PS2 Service Manual

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Schematic Diagram of S Board

1 2 3
A
B
SCL
SDA
C
CN4701
40P
GRY
:BTOB-P
T0 A(2/3)BOARD
CN1901
MAIN-L IN A1 MAIN-L IN
AUDIO(L)
GND B1
MAIN-R IN A2 MAIN-R IN
AUDIO(R)
+9V B2 +9V
D
L-TV A3 L-TV
AUDIO(L)
+5V B3 +5V
R-TV A4 R-TV
AUDIO(R)
+3.3V(NC) B4
SCL A5 SCL
SDA B5 SDA
GND A6
NC B6
A RESET A7 ARESET
NC B7
GND A8
E
SW2 B8 SW2
SUB-R A9
AUDIO R4741
HP-L(NC) B9
100
:CHIP
HP-R(NC) A10
AUDIO(L)
R4742 100 :CHIP
L-OUT B10 L-OUT
R4743 100 :CHIP
R-OUT A11 R-OUT
AUDIO(R)
NC B11
NC A12
GND B12
GND A13
F
QSS-1 B13 QSS-1
AM1 A14 AM1
GND B14
GND A15
QSS-2 B15 QSS-2
AM2 A16 AM2
NC B16
NC A17
NC B17
NC A18
NC B18
G
NC A19
NC B19
NC A20
NC B20
QSS-2
H
I
SUB TUNER
J
4 5 6
C4711
0.1
25V
B:CHIP
+5V
NC
R4711 100 :CHIP
SCL
4.8
R4712 100 :CHIP
SDA
4.8
I2S CLOCK
I2S WS
I2S DATA OUT
I2S DATA IN 1
ADR DATA OUT
+5V
ADR WS
ADR CLOCK OUT
R4720
+5V
0 C4722 C4723
:CHIP FL4705
47 0.1
+5V
16V 25V
B:CHIP
EMI
+5V
D GND
D GND
R4725
D GND
100 :CHIP
(OPEN) I2S DATA IN
R4726
R4727
NC
100 :CHIP 0
:CHIP
NC
R4730 R4731
0
22k
NC
:CHIP :CHIP
ARESET POWER ON RESET
4.9
C4729
NC
2.2
16V
R4732 R4733
NC
100 100 F:CHIP 0
:CHIP :CHIP
CENTER OUT
C4731 C4732
0.47 0.47
16V 16V
B:CHIP B:CHIP
R4737
0
SUB-R
:CHIP
C4745
0.001
B:CHIP
AUDIO(L)
AUDIO(R)
AUDIO(L)
R4769
R4796
100
0
AUDIO
:CHIP
:CHIP
R4777
2.2k
:CHIP
Q4706
R4782 R4783 R4784 C4757
2SC2412K 22k 22k 22k R4778 1
C4755
100p BUFFER :CHIP :CHIP :CHIP 1k 16V
B:CHIP
CH:CHIP :CHIP
AM2
3.6 C4756
0.0047 R4780 0 :CHIP
2.9
R4779 R4781 B:CHIP
6.8k 270
:CHIP :CHIP
R4786
560 C4758
:CHIP 1
16V
D4705 B:CHIP
MA73-TW CF4702
R4787 5.5MHz C4759
560 1
:CHIP 16V
B:CHIP
D4706
CF4703
MA73-TW
R4788 6.0MHz
560
:CHIP
D4707
MA73-TW
CF4704
R4789 R4790 R4791 6.5MHz
5.6k 5.6k 5.6k
:CHIP :CHIP :CHIP
0
4.8
Q4710
DTC144EKA
SW1
4.8
Q4709
DTC144EKA
Q4708
SW2
DTC144EKA
SW3
7
8 9
R4701
Q4701
C4701 R4702
Q4702 6.8k
2SC2412K 3 2 1
100p
2SC2412K :CHIP
CH:CHIP
BUFFER1 :CHIP
BUFFER2
2.4 FL4701
FILTER
1.8
1.8
CF4701 R4707 4 6
1.1
6.5MHz 330
:CHIP
L4701 R4703 R4704 R4706 C4702
C4709 1k 6.8k 1k 39p
10µH
4p
:LAV35 :CHIP :CHIP :CHIP CH:CHIP
CH:CHIP
C4712 C4713
0.1 0.1 R4709
FL4704
25V 25V 0
R4710 C4708 :CHIP
B:CHIP B:CHIP
100 4p
EMI +5V
:CHIP CH:CHIP
X4701
18.432MHz
C4710
47
16V
NC
1
NC
A GND
R4715
100
A GND
:CHIP
MONO IN (AM) AM1
C4718
C4717
3.7
0.33 4.7 C4719
NC
16V 16V 0.1
F:CHIP 25V
B:CHIP
REF VOLTAGE
B:CHIP
2.6 AUDIO(R)
AV MAIN R IN
3.7 AUDIO(L)
IC4702 AV MAIN L IN
MSP3410G-B8-QA 3.7
SOUND PROCESSOR A GND
AV R IN 2
AV L IN 2
A GND
AV R IN 3
AV L IN 3
A GND
AV R IN 4
AV L IN 4
A GND
REF VOLTAGE
3.7
A GND
A GND
C4727 C4728
NC
4.7 0.1
16V F:CHIP
NC F:CHIP
C4737
10
FB4701
C4735 D4704
HM102
1000p BAS216
D4702 :CHIP
B:CHIP
UDZ-12B
+9V
C4738
100
C4766
D4703 16V
0.0022
UDZ-12B
B:CHIP
C4739 C4740
C4746 0.1 0.1
25V 25V
0.001
B:CHIP B:CHIP B:CHIP AUDIO(R) 0.2
R
R4799 R4798
4.7k 4.7k
:CHIP :CHIP
C4767
680p
B:CHIP
C4747 C4748
0.0022 0.0022
B:CHIP B:CHIP
C4768
0.0022
B:CHIP
0.2
AUDIO(R)
L
AUDIO(L) R4802 R4801
4.7k
4.7k
:CHIP
:CHIP
+5V
C4769
680p
+5V
B:CHIP
R4773
IC4704 L4703
0
100µH
µ2861B-MFP-G3
:CHIP
:LAV35
FA DEMODULATOR
AM IN
3.0 DEM 2.5
DEC
2.4 SW 4.6
FM SIF
1.7 AF OUT 2.4
C4761
GND
R4785
0.01
0 B:CHIP
MUTE
:CHIP
0
REF
4.2 VOL
+5V IC4705
CXA1875AM-T4
I2C SWITCH
C4762
2.2 C4763 C4764
16V 0.01 47
R4794
F:CHIP SW1 +5V
B:CHIP 16V
0
R4792 100 :CHIP :CHIP
Q4707 SW0 SCL SCL
DTC144EKA 4.8
0
R4793 100 :CHIP
MUTE SWITCH DA4 SDA SDA
4.6 4.8
DA3 SA2
4.6 4.6
DA2 SA1
0.4
DA1 SA0
0.4
DA0 SW3
0
4.6
GND SW2
AUDIO(L)
AUDIO(R)
– 71 –
10 11 12
QSS-1
1k
R4797
4.7k
:CHIP
AUDIO(R)
0.8
+9V
L4702
C4741 C4742 +9V
100µH
0.01
Q4711 100 IC4703
:LAV35
16V B:CHIP R4757
2SA1037AK NJM3403AM
47k
OUTPUT AMP
LPF :CHIP
R4749
47k
:CHIP
SUR OUT
CENTER OUT
REF
REF
SUR IN
R4800
CENTER IN
4.7k
GND
:CHIP AUDIO(R)
AUDIO(L)
+9V
RIGHT IN
0.8 4.8 LEFT IN 4.8
C4752
C4751
REF
0.47 0.47
Q4712 4.9 REF 4.9
16V R4758 R4759 16V
2SA1037AK RIGHT OUT B:CHIP
B:CHIP 47k 47k
LEFT OUT
LPF :CHIP R4760 R4761
47k 47k
:CHIP :CHIP :CHIP
S
(AUDIO PROCESS)
KP-48PS2/61PS2
K
RM-903
14
13
Q4703
2SC2412K
BIAS
R4747
5.5 3.9k
:CHIP
C4743
4.9
R4748 47
6.8k 16V
:CHIP
C4744 R4752
10 560
:CHIP
B-SS624.<AEP>-S..-05