Sony KP-43T75A, Service Manual

Page: 48 / 92

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BLOCK DIAGRAM (5)
15
18
13
14
12
3
5
7
1
8
7
6
16
11
13
9
7
14
6
3
15
18
16
11
13
20
21
25
18
11
10
24
23
22
27
29
3
7
11
HV
MV
4
2
10
4
6
3
1
5
6
4
3
1
8
9
6
1
9
9
7
14
6
3
IC1502
SUB DY-DRIVE
IC1501(1/2)
V ZOOMING AMP
IC1501(2/2)
V ZOOMING AMP
IC1509
V OUT
IC1506
SUB DY-DRIVE
T501
HDT
T502
PMT
T504
FBT
D534
D532
D529
D1504
D522
D533
D528
L504
HLC
D525,
526
D531
-12V
+135V
+135V
+12V
+12V
R/S
B/S
H(+)
HV
MV
200V
IC1507
(2/2)
5
6
7
IC1504
(2/2)
IC1504
(1/2)
6
5
7
IC1507
(1/2)
3
2
1
2
3
1
IC502
(4/4)
IC502
(3/4)
9
8
14
11
10
13
IC502(1/4)
6
7
1
IC1505
2
3
1
6
5
7
IC502(2/4)
5
4
2
10 RH
9 RV
7
5
3
1
GH
6 V DRIVE (+)
5 V DRIVE (-)
4 VP
GV
BH
BV
CN651
1
2
REGI MUTE
V BLK
4 ABL
3 D FOCUS
5 HV PROT
6 PIN
8 HP
10 HD
CN1502
MUTE
Q1508
MUTE
Q1501
BUFFER
Q1511
BUFFER
Q1503
BUFFER
Q1502
HDRIVE
Q501
H OUT
Q502
PIN AMP
Q503
1 HR OUT
4 HR RET
1 HG OUT
4 HG RET
2 VG OUT
3 VG RET
2 VR OUT
3 VR RET
1 HB OUT
4 HB RET
2 VB OUT
3 VB RET
CN1503
CN501
CN1504
CN1505
V-SEP
Q1505
1
2
3
RV DEF
RV MID
RV RET
V. DEF
V. MID
V. RET
H(+)
DY
(H)
DY
(V)
DY (B)
SUB
DY
H(MID)
H(-)
DY
(G)
SAME AS
ABOVE
DY
(B)
SAME AS
ABOVE
CN1506
1
2
3
GV DEF
GV MID
GV RET
CN1507
1
2
3
BV DEF
BV MID
BV RET
CN1508
3
7
9
10
6
200V
H(+)
R/S
B/S
H(-)
CN503
3 HV, REG
CN1501
2
1
G2
DF
CN507
1
4
R-H(+)
R-H(-)
CN506
1
4
G-H(+)
G-H(-)
CN505
1
4
B-H(+)
B-H(-)
CN504
MUTE DRIVE
Q1509
OFF.MUTE
Q506
G2-MUTE
Q507
DF AMP
Q505, 1506
TO
FOCUS
PACK
TO
FOCUS
PACK
TO
HV
BLOCK
MV
HV
G
POWER SUPPLY
H/V OUT
FA
(LINE FILTER)
FB
(POWER SWITCH)
( )
M
TO A
BOARD
CN402
N
J
TO A
BOARD
CN202
L I
TO A
BOARD
CN801
O
TO CG
BOARD
CN734
7
1
5
8
7
6
O I
O I
1
6 9
1
2
7
13
14
11 1 4
12
IC651
DVP OCP
7
14
1
19
IC6501
CONVERTER
1
3
IC6503
REF. VOLTAGE
IC655
+5V REG
3
8
1 2 13
IC6502
COMPARATOR
IC654
+135V REG
IC653
+5V REG
O I
IC652
-5V REG
T6501
T602
SRT
D667
D6511
D6510
D6509
DBL-RECT
Q6504
D6530 D671
D670
D655
F652
PH6502
FEEDBACK
F651
D654
(1/2)
D654
(2/2)
D657
D656
+135V
11V
D660
D650
D659
AUDIO(+)
AUDIO(-)
+11V
+15V
-15V
REF. IN3-
VS
VD
RT
VC-1
IN4-
VCC
IN3-
CATHODE
+5V
-5V
4 RELAY
8
7
OVP
OCP
STBY
+5V
+135V
LATCH
Q654, 655
G
TO A
BOARD
CN681
1
3
5
DC IN
DC IN
DC GND
CN6501
CN6502
CN6005
CN6006
CN6002
1
3
5
1
3
AC(L)OUT
ACIN
1
3
CN6004
D6001
CN6008
PH6501
MAIN-SW
CONVERTER
Q6506
PROTECT
Q6507
VCC-SW
Q6508
MCM SW
Q6501
8
10
6
5
VCC-SW
Q6503
MAIN-SW
Q6503
RY-DRIVE
Q652
LINE FILTER
L6002, 6001
FULL-RECT
Q6502
RY6502
RY6501
2
1
AC (L)
AC (W)
F6001
CN6001
4
1
AC (N) OUT
AC (L) OUT
CN6009
4
1
AC (N) IN
AC (L) IN
4 1
AC (N) IN AC (L) IN
4 1
S6001
MAIN POWER