Diagrams; Block Diagram (1) - Sony KF-WE50A1 Service Manual

4-1. BLOCK DIAGRAM (1)

CN8001
MAIN-R
MAIN-R 50
MAIN-L
MAIN-L 49
VAR/FIX-R 47 NC
46
VAR/FIX-L NC
TEXT-PR
TEXT-PR 44
TEXT-PB
TEXT-PB 43
TEXT-Y
TEXT-Y 40
MAIN-PR
37
MAIN-PR
MAIN-PB
MAIN-C/PB 36
MAIN-Y
MAIN-Y 33
30
SUB-C
SUB-Y/CV 29
+ 5V
5V 28
5V 27
Q8015-8017
MUTE SWITCH
A
INS-C 25 NC
TO INS-Y/CV 24 NC
UG BOARD
CN1501 M-HSYNC
9V 22 + 9V
SCL
Q8005
SCLK-TV 20
SYNC DETECT
SDA
SDAT-TV 19
SIRCS
SIRCS 18
Q8002
15
MT-CV
BUFFER
MT-R
MT-R 12
MT-L
MT-L 11
9 STBY 5V
STBY 5V
ST-CV 8
ST-L 7
MS-R
MS-R 5
MS-L
MS-L 4
MAUMUTE 3
HDMI-RST
HDMI-RST 2
YUV-SW
HDMI ( AU ) SW 1
– 23 –
SECTION 4

DIAGRAMS

TO
G2 BOARD
CN6020
HD, VD
Q8224,8223
BUFFER
Q8226,8225
BUFFER
+ 9V
Q8215
BUFFER
Q8227
BUFFER
S-HSYNC
Q8006
SYNC DETECT
Q8004
BUFFER
SAFT
IC8001
MAFT
RESET
Q8011 Q8012
1 2 + 5V
BUFFER BUFFER
RF
SPLITTER
Q8013 Q8014
HP-SW
IC8201
COMB FILTER Y/C SEPALATOR
FL8201
Q8213,8211 Q8206
LPF 7 YC IN Y OUT 25
BUFFER BUFFER
Q8201
C OUT 27
BUFFER
19
SDA 16
SCL 15
IC8601
TELETEXT DECODER
Q8606 Q8604
31 CVBS0 R 48
BUFFER BUFFER
Q8605
HD
G 47
53 HSYNC
BUFFER
VD
55 VSYNC
Q8607
B 46
BUFFER
71 XTALOUT
Q8609
VDS 52
X8601 BUFFER
12MHz
70 XTALIN
SDA0 82
SLL0 81
RESET RESET
IC8603
73 72
IC8602
RESET
3.3V REG.
+3.3V
5 4
+5V 5 4
Q8601
KF-WE42A1/WE50A1/WS60A1
+ 9V
Q8010
IC8202
SUB COLOR DECODER
43 C2 Y OUT 21
44 CVBS/Y2 Cb OUT 22
86 YS2/YM Cr OUT 23
Q8207-8209
1 CVBS/Y1 HS 9
CLAMP
Q8202,8203
Q8205 48 C1 VS 4
CLAMP
Q8218,8220
46 FSC OUT
WAVE SHAPER
SDA SDA
14 SDA
SCL SCL
13 SCL
TEXT_R
35 R2
Xtal 38
TEXT_G
34 G2
X8201
TEXT_B
33 B2
BLK
36 YS2/YM
SDA
Q8204
SCL
IC8207
+5V REG.
+3.3V +9V I O +5V
AG (1/2) (TUNER/COLOR DECODER)
– 24 –
RM-1022 RM-1022 RM-1022
AUDIO
AG(2/2)
CTR
AG(2/2)
Q8214 Y
BUFFER
CB
Q8212
BUFFER
CR
Q8210
BUFFER
HD
VD
IC8203
1
2
4
TEXT_Y
Q8222 Q8221
BUFFER BUFFER
TEXT_CB
Q8219
BUFFER
Q8216 TEXT_CR
BUFFER
I2C
AG(2/2)