Block Diagram (5) - Sony KP 48S75 Service Manual

BLOCK DIAGRAM (5)

(
POWEER SUPPLY
G
H/V OUT
IC1502
SUB DY-DRIVE
CN651
RH 10 15
RV 9 14
GH 7 6
MUTE
TO A 3
M Q1508
BOARD
CN402
IC1506
SUB DY-DRIVE
GV 5 15
BH 3 14
BV 1 6
MUTE
3
Q1501
CN1502
MUTE DRIVE
REGI MUTE 1
Q1509
BUFFER
V BLK 2
Q1511
IC1507
(2/2)
5
7
6
D FOCUS 3
ABL 4
TO A
IC502(1/4)
I L
BOARD
D522
6
CN801 1
7
HV PROT 5
+135V
PIN 6
HP 8
T501
HDT
+135V 3
HDRIVE
HD 8 1
Q501
– 65 –
)
CN501
CN1503
V DRIVE (+)
1 HR OUT
18
16 4 HR RET
J
11 2 VR OUT
V DRIVE (-)
N
3 VR RET
13
9 TO A
1 HG OUT
BOARD
VP
7
4 HG RET
CN202
CN605
RELAY
CN1504
G
OVP
18 2 VG OUT
TO A
OCP
BOARD
16 3 VG RET
CN681
11 1 HB OUT
13 4 HB RET
9 2 VB OUT
7 3 VB RET
CN1505
IC1501(2/2)
V ZOOMING AMP
IC1504
(1/2)
BUFFER
20 2
Q1503 21 1
18
3
11
9
10
24
23
IC1504
22
(2/2)
27
6
25 7
D1504
29
5
BUFFER
Q1502 T504 H(+)
FBT
HV
HV
D529
-12V 3 MV
MV
D533
+12V
7 200V
4
D534
11
6 2
10
1
D532
8
9
D528
T502
PMT
9
14 PIN AMP
8 5
Q503
IC502(2/4)
6
IC502
5 11
2 13 4
4 (4/4)
10
IC502
(3/4)
H OUT
4
Q502
6
6
5
LATCH SWITCH
Q654, 655 Q658
V-SEP
4
Q1505
RELAY DRIVE
4
Q652
8 7 8
1 7
7
+135V 5 6
D672
IC655
IC651
+5V REG
D667
STBY
O I 9
+5V
8
BACK UP
Q651
D662
Q653
7
5
LIMIT 1
Q656
D666
T601 PRT
T601
PROTECT
9
D671
Q657
AUDIO(+) 1
AUDIO(-)
D654
R/S
D670
2
(1/2)
+11V
7
D655
F652
D654
+15V
(2/2)
F651 13
-15V
IC653
B/S
+5V REG
D660
+5V O I 14
IC652
-5V REG
D659
-5V O I
D531
OFF.MUTE
+12V
Q506
L504
HLC
3
1
IC1501(1/2)
IC1509
V ZOOMING AMP
V OUT
13
12 7
14 5
1
7
8
6 3
T602
1
3
CONVERTER
4
Q601
6
PROTECT
RY601
Q602
5
D601 602
LINEFILTER
L601
2 SWITCHING
3 IC601
4
8 D603
5
IC654
+135V REG
D657
11 1 4
D656
12 +135V
IC1505
6
2 7
1
5
3
G2-MUTE
Q507
3
1
DF AMP
2
Q1505, 1506
IC1507
D525,
(1/2)
526
– 66 –
DY (B)
CN1506
1 RV DEF
V. DEF
DY
2 RV MID
(V)
V. MID
3 RV RET
V. RET
CN1507
1 GV DEF
SUB
2 GV MID
DY
3 GV RET
CN1508
1 BV DEF H(+)
DY
H(MID) (H)
2 BV MID
3 BV RET H(-)
CN601
2 AC (L)
DY
1 AC (W)
(G)
ACIN
SAME AS
DBOVE
DY
(B)
SAME AS
DBOVE
TO
MV
FOCUS
PACK
CN503
3 200V
TO CG
7 H(+)
O
BOARD
9 R/S
CN734
10 B/S
6 H(-)
HV TO
HV
CN1501
BLOCK
3 HV, REG
CN507
TO
2 G2
FOCUS
1 DF PACK
CN506
1 R-H(+)
4 R-H(-)
CN505
1 G-H(+)
4 G-H(-)
CN504
1 B-H(+)
4 B-H(-)