Schematic Diagram Of S Board - Sony KP-44PS2 Service Manual

(15) Schematic Diagram of S Board

1 2 3 4
A
B
C
SCL
SDA
D
CN4701
40P
GRY
:BTOB-P
T0 A BOARD
CN1901
MAIN-L IN A1 MAIN-L IN
AUDIO(L)
GND B1
MAIN-R IN A2 MAIN-R IN
AUDIO(R) R4725
+9V B2 +9V
100 :CHIP
L-TV A3 L-TV
AUDIO(L) R4727
+5V B3 +5V
100 :CHIP
E
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
SW2 B8 SW2
F
SUB-R A9 SUB-R
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
QSS-1 B13 QSS-1
G
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
H
NC A19
NC B19
NC A20
NC B20
I
R4777
2.2k
:CHIP
Q4706
2SC2412K
C4755
BUFFER
100p
CH:CHIP
QSS-2
3.6
R4779 R4781
6.8k 270
J
:CHIP :CHIP
D4705
MA73-TW
D4706
MA73-TW
D4707
K
MA73-TW
Q4710
DTC144EKA
SW1
L
M
N
O
– 135 –
7
5 6 8 9
Q4702
2SC2412K
BUFFER2
1.1
CF4701 R4707
330
6.5MHz
:CHIP
L4701
10µH C4709
:LAV35 4p
CH:CHIP
C4708
C4711 R4710 4p
0.1 100 CH:CHIP
25V :CHIP
B:CHIP
X4701
18.432MHz
+5V
NC
R4711 100 :CHIP 1
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 IC4702
MSP3410D-C5QA-B4
ADR CLOCK OUT SOUND PROCESSOR
R4720
+5V
0 C4722 C4723
:CHIP FL4705 47 0.1
16V 25V +5V
B:CHIP
EMI
+5V
D GND
D GND
D GND
(OPEN) I2S DATA IN
R4726
NC
0
:CHIP
NC
R4730 R4731
22k 0
NC
:CHIP :CHIP
ARESET POWER ON RESET
4.9
C4729
NC
2.2
R4732 R4733 16V
F:CHIP NC
100 100 0
:CHIP :CHIP
CENTER OUT
C4731 C4732
0.47 0.47
16V 16V
B:CHIP B:CHIP
R4737
0
:CHIP
C4735
1000p
D4702
B:CHIP
UDZ-12B
D4703
UDZ-12B
C4739
B:CHIP
C4746
C4745 0.001
0.001 B:CHIP
B:CHIP
C4747 C4748
0.0022 0.0022
B:CHIP B:CHIP
AUDIO(L)
AUDIO(R)
AUDIO(L)
AUDIO(R)
R4769
R4796
100
0
AUDIO :CHIP
:CHIP
+5V
IC4704
C4757 µ2861B-MFP-G3
R4778 1 FA DEMODULATOR
16V
1k
:CHIP B:CHIP
AM2
AM IN
3.0 2.5
C4756 DEM
0.0047 DEC
2.9 R4780 0 :CHIP 2.4 SW 4.6
B:CHIP
FM SIF
1.7 AF OUT 2.4
R4782 R4783 R4784
GND
22k 22k 22k C4758 R4785
:CHIP :CHIP :CHIP 1 0
MUTE
16V :CHIP
0
R4786 B:CHIP
REF
560
4.2 VOL
:CHIP C4759 C4761
+5V
1 0.01
16V B:CHIP
CF4702 +5V
B:CHIP
R4787 5.5MHz
560 C4762
:CHIP 2.2 C4763 C4764
16V 0.01 47
F:CHIP
B:CHIP 16V
CF4703
6.0MHz Q4707
R4788
DTC144EKA
560 0
:CHIP MUTE SWITCH
IC4705
CXA1875AM-T4
4.6
CF4704
I2C SWITCH
R4789 R4790 R4791 6.5MHz
5.6k 5.6k 5.6k
:CHIP :CHIP :CHIP
SW1
4.8
SW0
4.8
DA4
4.6
DA3
4.6
DA2
0 0.4
DA1
0.4
DA0
4.6
Q4709 Q4708
GND
DTC144EKA
DTC144EKA SUB TUNER
SW2 SW3
14
10 11 12 13
Q4701
2SC2412K R4701 C4701 R4702
BUFFER1 6.8k 100p 1k
:CHIP :CHIP
CH:CHIP
QSS-1
2.4
3 2 1
1.8
FL4701
FILTER
1.8
4 6
R4703 R4704 R4706 C4702
1k 6.8k 1k 39p
:CHIP :CHIP :CHIP CH:CHIP
C4712 C4713
0.1 0.1 R4709
25V 25V FL4704 0
B:CHIP B:CHIP :CHIP
EMI
+5V
C4710
47
16V
NC
NC
A GND
R4715
100
A GND
:CHIP
MONO IN (AM) AM1
C4717 C4718
3.7
0.33 4.7 C4719
NC
16V 16V 0.1
B:CHIP F:CHIP 25V
REF VOLTAGE
B:CHIP AUDIO(R)
2.6
AV MAIN R IN
3.7
AV MAIN L IN
3.7
AUDIO(L)
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
D4704 FB4701
HM102
BAS216
:CHIP
+9V
C4738
100
16V
AUDIO(R)
+9V
L4702
100µH
:LAV35 R4749
C4740 47k
C4766
0.1 0.1 R4797 C4741 C4742 :CHIP
0.0022
25V 25V 4.7k 100
B:CHIP 0.01
B:CHIP :CHIP 16V B:CHIP
0.8
Q4711
AUDIO(R) 0.2
2SA1037AK
R LPF
R4799 R4798
4.7k 4.7k
:CHIP :CHIP
C4767 AUDIO(L)
680p
B:CHIP
4.8
C4751
0.47
4.9
16V R4758
B:CHIP
47k
:CHIP
R4760
47k
:CHIP
C4768
R4800
0.0022
4.7k
B:CHIP :CHIP
0.8
0.2
L Q4712
AUDIO(L) R4802 R4801 2SA1037AK
4.7k 4.7k LPF
:CHIP :CHIP
C4769
680p
B:CHIP
L4703
100µH
:LAV35
AUDIO(L)
R4773
0
AUDIO(R)
:CHIP
R4794
0
:CHIP
+5V
R4792 100 :CHIP
SCL SCL
4.8
R4793 100 :CHIP
SDA SDA
4.8
SA2
SA1
SA0
SW3
0
SW2
– 136 –
(s)
AUDIO PROCESS
15 16
– S BOARD – (Component Side)
A
B
(Conductor Side)
Q4703
2SC2412K
BIAS
R4747
+9V 5.5 3.9k
:CHIP
IC4703
R4757
NJM3403AM
47k
OUTPUT AMP
:CHIP 4.9 C4743
R4748 47
6.8k 16V
:CHIP
SUR OUT
CENTER OUT C4744 R4752
REF 10 560
REF :CHIP
SUR IN
CENTER IN
GND
AUDIO(R)
+9V
RIGHT IN
LEFT IN 4.8 A
C4752
REF
0.47
REF 4.9 16V
R4759
RIGHT OUT B:CHIP
47k
LEFT OUT :CHIP
R4761
47k
:CHIP
B
S
(AUDIO PROCESS)
B-SS624.<AEP>-S..
• S BOARD WAVEFORM
1
1.6 Vp-p (18.432 MHz)
Schematic diagram
< S
board
1 2
1 2
• S BOARD SEMICONDUCTOR LOCATION
IC DIODE
( Component ) ( )
Conductor ( ) ( )
Component Conductor
Side Side *
Side Side
3
IC4702 B-1 D4702 A-1
3
IC4703 B-1 D4703 B-1
3
IC4704 A-1 D4704 B-1
3
IC4705 A-1 D4705 A-1
3
D4706 A-1
3
D4707 A-1
TRANSISTOR
( Component ) ( Conductor )
* CRYSTAL
Side Side
2
Q4701 B-1
( ) ( Conductor )
Component
2
Q4702 B-2 Side Side
Q4703 B-1 2 X4701 B-2
2
Q4706 A-1
2
Q4707 A-1
2
Q4708 A-1
1
Q4709 B-1
2
Q4710 A-1
2
Q4711 B-1
Q4712 B-1 2
: Refer to Terminal name of
*
semiconductors in silk screen
printed circuit (see page 79)
Schematic diagram
(g)
,
– 137 – board