Schematic Diagram Of J (4/5) Board - Sony KP-48PS2 Service Manual

(27)

Schematic Diagram of J (4/5) Board

1 2 3
A
B
R8419
100
:CHIP
C TO J2/5,J4/5_10
TO J2/5,J4/5_11
D
TO J2/5,J4/5_12
E
F
TO J2/5,J4/5_13
TO J2/5,J4/5_14
TO J2/5,J4/5_15
TO J2/5,J4/5_16
G
TO J2/5,J4/5_17
TO J2/5,J4/5_18
TO J2/5,J4/5_19
H TO J2/5,J4/5_20
I
J
4 5 6
FL+9V
R8481
EMI 2.2k
VIDEO
:CHIP
3.9
C8466
FL8451 0.01
4.6
EMI B:CHIP
C8463
47 Q8451
16V
2SC2412K
BUFF
C Y
C8464 C8465
0.1 0.1
25V 25V
B:CHIP B:CHIP
C
AV4(4)
C
AV3(2)
51 50 49 48 47 46 45 44 43 42 41
C8462
0.1
25V
B:CHIP
C
C-IN(5)
52 AV2-C
4.5
VIDEO/Y 53 TRAP3
C8461 0.1 25V B:CHIP 3.4 17
AV4(3)
54 AV4-V
C8460 0.1 25V B:CHIP 4.0
C8455
55 VBIAS
10
4.5
AV3(1)
56 AV3-V
C8459 0.1 25V B:CHIP 4.0
VIDEO/Y
57 VGND
C8458 0.1 25V B:CHIP
C8822 V/Y-IN(7)
58 AV2-V IC8451
0.22
C8457 0.1 25V B:CHIP 4.0
25V VIDEO/Y CXA2149AQ-TL
B:CHIP 59 VVCC
16 AV SW
C8456 0.1 25V B:CHIP
V-IN(3)
60 AV1-V
C8454 0.1 25V B:CHIP
4.4
VIDEO
61
TC2
5.0
62
SUB TV
C8453 0.1 25V B:CHIP 4.9
C8451
63
0.1 25V B:CHIP TC1
5.0
64 TV
4.8
R8451 R8452
C8452
0.1 68k 68k
:CHIP :CHIP
25V
B:CHIP
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
18
R8441
0
R8453
C8446
:CHIP
C 39k R8454
100p
AV3(2)
:RN-CP 560
:CHIP
:RN-CP C8447
C8445
100p
:CHIP
R8477 B:CHIP
47k
R8440
:CHIP
Q8452
0
:CHIP C8448 2SC2412K
AV3(1)
100
BUFF
16V
VIDEO/Y
2.5
C8449
R8478 100
18k
16V
:CHIP
R8468
2.2k
:CHIP
AUDIO(L/R)
7
8 9
+9V
L-OUT(7)
R-OUT(5)
MAIN-L-OUT
MAIN-R-OUT
AUDIO
AUDIO
SUB AUDIO TO J(2/5)
C8479 2.2 16V F:CHIP
R-IN(2)
AUDIO(R)
R-IN(6)
AV3-R
R-IN(10)
40 39 38 37 36 35 34 33
C8492
2.2
16V
F:CHIP
AUDIO(R)
R-TV(1)
RTV 32
4.4 AUDIO(R)
C8491
AGND 31
AUDIO 2.2
16V
SUBTU-L 30 F:CHIP
4.4
L-IN(4)
AV1L 29
4.4
L-IN(8)
TDA2822D013TR
AV2L 28 C8356 C8357
AUDIO(L) 100
4.4 100
AV3-L
16V 16V
AV3L 27
4.4
L-IN(12)
AV4L 26
4.4
L-TV(3) 3.9
LTV 25
C8486
4.4
2.2 16V F:CHIP
HP ROUT3 24
AUDIO(R)
4.4
23 C8355
HP LOUT3
470
4.4 AUDIO(L)
16V
22
ABIAS
4.4
3.9
21
AVCC
4.4
C8493 C8494
MODE3 20
0.1 0.1
4.4
25V 25V R8432
C8353
B:CHIP B:CHIP 1 22k
F:CHIP :CHIP
AUDIO(R)
C8495
10
C8354
R8433
1 22k
R8479 F:CHIP
:CHIP
0
:CHIP
0.1
25V
C8497
47 L8454
16V 47µH
EMI +9V
C8450
FL8452
470
EMI 16V
TO J
1/5,2/5,
3/5
– 67 –
10 11 12
TO J(5/5) YUV_M/S
V.S(9)
V.S(9)
U.S(8)
U.S(8)
Y.S(7)
Y.S(7)
AUDIO(L)
V.M(2)
V.M(2)
C8360
C8361
0.1
0.1
U.M(1)
25V
25V U.M(1)
B:CHIP
B:CHIP
IC8452
Y.M(3)
Y.M(3)
R8436
HP AMP C8358 R8437
4.7
100
4.7
:CHIP
16V
:CHIP
ROUT RIN(-)
R8438
0.6
220
:CHIP
AUDIO(R)
VCC RIN(+)
R8434
VAR-R-OUT
0.1
2.2k R8439
R8483
:CHIP
220 VAR-L-OUT
150
:CHIP
:CHIP
LOUT LIN(+)
AUDIO(L)
R8435
0.1
2.2k R8482
R8485
:CHIP 150
150
GND LIN(-) :CHIP :CHIP
0.6
R8484
C8359 150
AUDIO(R)
0
100 :CHIP TO J(2/5)
Q8309
16V HP-R-OUT
2SC2412K 0
MUTE
HP-MUTE
AUDIO(L)
R8430
47k
:CHIP
0 AUDIO(L)
HP-L-OUT
0
Q8311
2SC2412K
R8431 C8431
MUTE
47k 22
:CHIP 25V
:BP
+9V
J
(4/5)
(AV SELEVT SWITCH)
KP-48PS2/61PS2
K
RM-903
14
13
R-Y
V.S(9)
B-Y
U.S(8)
Y
Y.S(7)
R-Y
V.M(2)
B-Y
U.M(1)
Y
Y.M(3)
B-SS624.<AEP>-J..-P4-05