Block Diagram (2) - Sony KP-48V75 Service Manual

BLOCK DIAGRAM (3)
IC804
B CONV GEN
CN804
RV WAVE 2
IC1801
BV WAVE 3 BV OUT
V.WAVE GEN
CLK
5 15 V.SAW BH OUT
J
MUTE 6 V.SAW 4 16 V.PARA
DATA 7 V.PARA 5 19 V.SIN
TO A BOARD
CEB 8 V.SIN 6 20 V.4TH
CN003
VP 10 1 V.BLK V.4TH 7 MPIN 1
1 H.SAW M PIN2
2 H.PARA CEB
3 H.SIN DATA
4 H.4TH MUTE
CLKB
IC806
G CONV GEN
IC1802
CLKB
H.WAVE GEN
15 V.SAW MUTE
H.SAW 4 16 V.PARA DATA
1 H.BLK H.PARA 5 19 V.SIN CEB
H.SIN 6 20 V.4TH
H.4TH 7 GV OUT
1 H.SAW GH OUT
2 H.PARA
3 H.SIN
4 H.4TH CEB
DATA
MUTE
CLKB
IC808
R CONV GEN
15 V.SAW CLKB
16 V.PARA MUTE
19 V.SIN DATA
CN506 20 V.4TH CEB
HD 1
HP 3 1 H.SAW RV OUT
PIN 5 2 H.PARA RH OUT
PROT1 6 3 H.SIN MPIM1
H
ABL 7 4 H.4TH CEB
TO A BOARD -15V 8 DATA
CN301 GND 9 MUTE
+15V 10 37 A2 INP CLKB
T501
H DRIVE H OUT
Q501 Q502
IC501(1/2) IC501(2/2)
REG COMP REG COMP
2 5 11 13
1
T605
15V
RECT
D656
-15V
CN652 D658
11V 11V 7
D654
IC653
5V 5V 5 O I
5V REG
5V
-5V D653
IC652
-5V -5V 1 O I
-5V REG
135V
RECT
135V 135V 10
D655
STBY12V STBY12V 4
K RELAY 2
TO A BOARD CN651
CN1601 AUDIO(+) AUDIO(+) 7 RECT
AUDIO(+) 8 D657
AUDIO(-) AUDIO(-) 5
D651
AUDIO(-) 6 IC654
O I
5V REG
+B OVP OCP PROTECT LATCH
Q661,662 Q658,660 Q657 Q653,655
PROTECT
Q659
– 58 –
IC810
CONV OUT
CN803
1 HB OUT
41 6
9 2 VB OUT
40
3 VB RET
7 4 HB RET
14
11
23
22
13
31
CN802
32 15
HG OUT
18 1
33
2 VG OUT
34
16 3 VG RET
4 HG RET
IC809
10
CONV OUT
11
CN801
12
1 HR OUT
13 14
11 2 VR OUT
3 VR RET
41
13 4 HR RET
40
15
18
31
16
32
33 6
8
34
7
10
11 CN502
12 1 B-H(+)
13 2 NC
3 NC
IC803 IC811
41 +B 4 B-H(-)
SHADING COMP SHADING AMP
40
23 CN503
5 6 3 1
31 1 G-H(+)
32 2 NC
33 11 3 NC
9 6 7
34 10 4 G-H(-)
CN504
1 R-H(+)
NC
2
T504
3 NC
FBT
4 R-H(-)
1
HV
BUFFER FV
12V 7
Q802,805
-12V 3
CN501
+B 10 1 B/S
8 PIN AMP BUFFER -B 9 6 2 R/S
14
Q505 Q807 3 NC
11 4 H(+)
9 4 5 H(-)
6 NC
NC
17 7
200V
8
D513 9 NC
10 GND
T502
IC805
DF AMP
CN805
4 GND
13 14 9 3 NC
DF OUT
8 2 DF
Q506,507
7 10 1 G2
G2 MUTE
6 CN507
Q503,504
GND 4
1 3 HV.REG
3
STDBY 12V
2
12V
STDBY 12V 1
T604
RECT
D602
IC601 RY601
SW
T603 L601
IC655 RECT
1 IC651 4 O I
Q654,656 STBY12V REG D691-694
DM-48
5
BACK UP
Q651
Q652
H/V-DEF,HV,
RELAY DRIVE G
POWER SUPPLY
B-SS558.<U..>-B/D-2
Z
(DY/VM)
DY
(R)
CR
(R OUT)
IC701 R V901
3 8
VIDEO AMP PICTURE TUBE
5
CN703 CN706
1 IK Q701 R/S 1
2 E NC 2
3 9V H(+) H(+) 3
4 E H(-) H(-) 4
E 5 B NC 5
6 E NC 6
TO A BOARD
7 G 200V 200V 7
CN303
E NC
8 8
9 R NC 9
CN702
IK2 1
IK1 2
E 3
PEAK LIMIT
9V 9V 4
Q702
E 5
G2
FOCUS B 6
FV
BLOCK G 7
CN704
1 G2 G2
R
HV
G
BLOCK
B
CN601
1 AC
AC
2 AC
– 59 –
CN1434
DY G-H(+) 1
NC 2
NC
3
(G)
G-H(-) 4
CN1461
VM DRIVE VM CONT
V.DEF 1
Q1431,1432 Q1433-1436
V.MID 2
V.RET 3
TO A BOARD
I
CN1501
TO A BOARD
G
CN302
CG CB
(G OUT) (B OUT)
IC731 G V902
3 8
VIDEO AMP PICTURE TUBE
5
CN736 CN737 CN765
1 R/S R/S 1 1 R/S
2 NC NC 2 2 NC
3 H(+) H(+) 3 3 H(+)
4 H(-) H(-) 4 4 H(-)
5 NC H+ NC 5 5 NC
6 NC H- NC 6 6 NC
7 200V 200V 7 7 200V
NC NC NC
8 200V 8 8
E
9 NC 9 9 NC
CN732 CN733 CN762
1 IK2 IK1 1 4 IK1
2 IK1 E 2 3 E
3 E E 3 2 E
4 9V 9V B 4 1 B
5 E
G1
6 B
7 G
CN734 CN763
1 G2 G2 1 G2 G2
CN766
DY
(B)
IC761 B V903
3 8
VIDEO AMP PICTURE TUBE
5
H(+)
H(-)
– 60 –