Diagrams - Sony KF-50SX200 Service Manual

SECTION 4

DIAGRAMS

4-1. BLOCK DIAGRAM (1)
J
(AV SELECT SW,VIDEO PROCESS)
CN8900
BLUE IN 7
GREEN IN 11
RED IN 15
BLANKING 16
AV1
AV SIGNAL SELECT SW
1/ 1
60 AV1-V
VIDEO IN 20
Q8811
2 TV OUT
VIDEO OUT 19
BUFF
RIGHT IN 2 36 AV1-R
29 AV1-L
LEFT IN 6
RIGHT OUT 1 32 RTV
25 LTV
LEFT OUT 3
MODE 8 18 MODE1
CN8901
7
BLUE IN
GREEN IN
11
RED IN 15
20 58 AV2-V
VIDEO
AV2
RIGHT IN 2 35 AV2-R
2/ 2
28 AV2-L
LEFT IN 6
Q8904
RIGHT OUT 38 MAIN ROUT
1
BUFF
Q8903
LEFT OUT 39
3 MAIN LOUT
BUFF
MODE 8 19 MODE2
Q8901
19
VIDEO OUT
BUFF
BLANKIG
16
CN8902
C IN 15 49 AV4-C
VIDEO/Y IN 20 54 AV4-V
33 AV4-R
RIGHT IN 2
LEFT IN 6 26 AV4-L
MODE 8 20 MODE3
40 AV2-R OUT
AV3 RIGHT OUT 1
3/ 3
LEFT OUT 3 41 AV2-L OUT
10
AV LINK
Q8452
VIDEO OUT 19
BUFF
J4301
H1
S VIDEO (AV INPUT)
s
4
CN4303
3 V2-C
1 V2-Y
VIDEO
5 V2-V
4
7 V2-L
L 9 V2-R
(MONO)
4
R
J4302
CN4302
HEAD
3 HP L
PHONE
1 HP R
4 HP SW
MAIN COLOR DECODER
25 B1
26 G1
R1
27
15 YS3
33 B2
34 G2
R2
35
IC8451
COMB
45
SYS
SFC
46
OUT
MAIN
CVBS
11 1
Y OUT
/Y1
CVBS Q8902 Q8501
MAIN 13 48 C1 3
OUT
C OUT BUFF BUFF
YS/YM
36
Q8700
BUFF
SDA 15
SCL 14
SUBTU-L 30
SUBTU-R 37
Q8451
VIDEO OUT 43
BUFF
SUB Y OUT 45
SUB C OUT 47
SUB TV 62
TV 64
HP L OUT
HP LOUT3 23
HP R OUT
HP ROUT3 24
R
AV3-R 34
L
AV3-L 27
Y/V
AV3-V 56
C
AV3-C 51
AV2-OUT 9
CN8903
C
C 3 IC8304
Y/V
+5V REG
Y 1
V 5
+6.5V I
L
L 7
R
R 9
TO BLOCK
A DIAGRAM(2)
A(1/2)BOARD
CN1917
IC8301
Q8620,8621,8623
Cr OUT 23
IC8500
Q8612,8614,8615
DIGITAL COMB FILTER Cb OUT 22
23 PNR
Q8502,8503
26 NTPL1 LUMINANCE
9 5 COMB Y
OUT
BUFF
37 CLOCK IN
Q8602,8607
Y OUT 21
CHROMA Q8302,8504 COMB C/
2 A/D IN 7 7
FORCED S
OUT BUFF
Q8639,8640
IC8700
38 Xtal
AUTO WIDE
X8301
16.2MHz
X1
6 AD IN 26
X8700
11 CIRP
14.3MHz
X0 25 Q8636-8638
SCP 10
SCL 15 13 SCL
16 14 SDA
SDA
HS 9
VS 4
IC8401
SUB COLOR
DECODER
X8401
16.2MHz
Q8801,8804,8807
AMP,BUFF
Q8809,8810,8813
AMP,BUFF
IC8305
+5V REG
O +DIG5V +6.5V I O +ANA5V
– 31 –
IC8601
PICTURE BOOSTER
9 -VIN -V OUT 16
AMP,BUFF
8 -UIN -U OUT 17
AMP,BUFF
IC8602
NOISE DET
Q8605,8610,8611
Y OUT 19
3 YIN Y OUT 7 6 YIN SDA 14
BUFF
SCL 11
1 SC
1 CVIN
BUFF
SW
+ANA 5V
2
INV
1 CVBS/Y1 SCL 13
48 C1 SDA 14
V OUT 23
Q8626,8627,8633,8634
U OUT 22
AMP,BUFF
38 Xtal
Q8628-8631
Y OUT 21
AMP,BUFF
+ANA 5V
HS 9
2
+ANA 5V 7
1
VS 4
IC8303(2/2)
SYNC BUFF
IC8452
HP AMP
HP R OUT
7 RIN(+) ROUT 1
HP L OUT
Q8311
6 LIN(+) LOUT 3
MUTE SW
Q8905
MUTE SW
Q8906
MUTE SW
KF-50SX200/50SX200K/50SX200U
K
RM-905
CN8101
Q8604,8609
A24 V MAIN IN
AMP,BUFF
Q8601,8603
A25 U MAIN IN
AMP,BUFF
Q8606
B25 Y MAIN IN
AMP,BUFF BUFF
Q8616
B3 TRAP
TRAP SW
IC8302(1/2)
6
3
5 A22 HP MAIN IN
2
+ANA 5V 7
1 A23 VP MAIN IN
IC8302(1/2)
+9V A16 +9V IN
+6.5V
A17 +6.5V
A6 SDA
B6 SCL
B
TO BLOCK
DIAGRAM(2)
A(1/2)BOARD
CN1801
Q8624,8625,8632,8635
A20 V SUB IN
AMP,BUFF
B20 U SUB IN
B21 Y SUB IN
6
3
5 A19 HP SUB IN
IC8303(1/2)
SYNC BUFF
B19 VP SUB IN
BLK2 IN
A5 BLK2 IN
BLK2 OUT
A7
BLK2 OUT
A2 CVBS2 OUT
A12 CVBS IN
A1 CVBS1 OUT
A11 SUB AUDIO
Q8301
A3 HP MUTE
BUFF AV LINK
A4 AV LINK
A8 SW2(NC)
R-TV
A9 R-TV
L-TV
A10 L-TV
MAIN R
B9 MAIN R OUT
MAIN L
B10 MAIN L OUT
Q8309
B11 HP R OUT
MUTE SW
B12 HP L OUT
B2 CENTER(-)
B1
CENTER(+)
TB8101
+
CENTER SP IN
C
-
J8901
R
VARIABLE OUT
L