Sony KP-46WT500 Service Manual page 156

| 15 | 16 | 17
TU2
BTF-WA421
MAIN-TUNER
Q22
2SD601A
INVERTER
R27
4.3k
1/16W
C120
100 :RN-CP
16V
C112 R151
VIDEO 0.1 10k
Q14
25V 1/16W
SD601A
F:1608 :CHIP
EO-BUFF L11 R152 C133
C103 10k 10
10 :LAV35 1/16W
:CHIP
C111
R127
0.1
33k
C130
25V
1/16W
F:1608 C119 0.01
:CHIP
16V
100
B:1608
16V
C132
470
16V
:LAV35
C134
0.1
A5V 25V
F:1608
Q8
R46 R55
2SB709A
1.2k 1.2k
BUFF
1/16W 1/16W 1
:CHIP :CHIP
R57
R56
47
47
1/16W
1/16W
:CHIP
:CHIP
Q21
R113
2SB709A
R81 100k R126
INVERTER
2.2k 2.2k
1/16W
/16W :CHIP 1/16W
CHIP :CHIP
C124
1
C129
16V
01 0.047 C128
F:CHIP
0p 16V 220p
B:1608 B:1608
608
R112
1M
R100
R107 1/16W
10k 10k :CHIP
1/16W 1/16W
:CHIP :CHIP
Q16
R110
2SB709A
100
BUFF
1/16W
R96 :CHIP
55
R80 560
560 1/16W
Q20
08 1/16W
:CHIP
2SD601A
:RN-CP
BUFF
1 2 3
C116 R105
15p 1k
R88 FL7 CH:1608
1/16W
5.6k
:CHIP
1/16W
6 4
:CHIP
R154 R122
R82
Q19
5.6k 820
1k
2SD601A
1/16W 1/16W 1/16W
R95 BUFF :CHIP :CHIP
:CHIP
560
C102
1/16W
10
:CHIP
R117
C115
Q15 1k
1 2 3 15p
CH:1608 R104 1/16W
2SB709A
1k :CHIP
BUFF
1/16W
R85 FL6 :CHIP
5.6k
1/16W
6 4
:CHIP
R79
560
1/16W
R119
R125
:CHIP
2.2k 33k
R93 Q17 1/16W 1/16W
2SD601A
5.6k :CHIP
2SD601A :CHIP
| 18 | 19 | 20
TUNER MUTE
R147
R131 R135
10k
22k 100
:CHIP
1/16W 1/16W
:CHIP :CHIP
C138 C139
10 10
VIDEO
R
C137
10
L
R138
10k
L13
1/16W
:CHIP
Q27
2SD601A
R137
VIDEO-BUFF
10k
1/16W
:CHIP
VIDEO
R134
430
1/16W
MAIN SYNC
:RN-CP R133
560 (TO P2)
1/16W
:RN-CP
IIC-1
(TO P1,P2,P3)
TU CONT
(TO P3)
TU OUT
(TO P1)
COMP VID
COMP V OUT
(TO P1)
9V-4
C
MN C OUT
(TO P1)
IIC-1
(TO P1,P2,P3)
DAT1
Q26
CLK1
| 21 | 22 | 23
CN15 CN8
TAB TAB
:FASTON :FASTON
TO G:CN5005 TO G:CN5006
CN13
64P
-2
:B-TO B-S
TO B:CN3203
MID OUT
HS
(TO P2) A1 MID HS
VS
MID VS
C1
A2 GND
SIG-H
(TO P3)
SIG-V C2 GND
(TO P3)
A3 GND
MID YS
C3 MID YS
CR
MID CR
A4
C4 GND
GND
A5
CB
MID CB
C5
Y
A6 MID Y
GND
C6
A7 GND
GND
C7
A8 GND
GND
C8
HD2
A9 HD
VD2
VD
C9
A10 GND
SYNC GND
C10
(TO P2)
DRC-SEL GND
A11
(TO P2) SEL1
C11 DRC SEL1
VD3
MID VD
A12
C12 GND
GND
A13
C13 GND
HD3
A14 MID HD
SEL2
DRC SEL2
C14
VD1
A15 VD1
GND
C15
A16 GND
SEL CB
SEL CB OUT
C16
SEL OUT
SEL CR
(TO P2) A17 SEL CR OUT
GND
C17
A18 GND
C18 RST
SEL Y
SEL Y OUT
A19
C19 GND
Y/CR/CB(DRC)
GND
A20
(TO P2)
Y
C20 Y
CR
A21 CR
GND
C21
5V
A22 GND
FB5
CB 0 :2012
CB
C22
A23 5V
S-HD
GND
C23
IC8
6V C105
A24 GND
0.1 C106
3.3V REG 25V 100 S-HD
C24
F:1608 16V
I O A25 3.3V
C104
G
0.1
S-VD
C25
25V
F:1608
GND
A26
S-VD
C26 GND
9V
A27
MID BUSY C27 MID BUSY
(TO P3)
GND
A28
SUB G C28 SUB G
(TO P2)
SUB YS A29 SUB YS
(TO P2)
MID BINT
C29
MID BINT
(TO P3)
X SW A30 TH CONT(X-SW)
(TO P3)
GND
C30
A31 GND
DAT1
C31
A32 VP(V-FBP)
VP
(TO P1,P2,P3)
CLK1
C32
| A BOARD WAVEFORMS
1 2
2.1Vp-p (H)
3 4
3Vp-p (H)
KP-46WT500
2.1Vp-p (H)
2Vp-p (H)