Sony KV-28WF1A, Service Manual

Page: 35 / 61

H2
G2 1
2
6
CN804
200V
D809
1000V RECT
HV
TO PICTURE
TUBE
FV
TO C BOARD
J701 (G4)
IC500
V OUT
V + I/P
F B-PLS V OUT
Vcc OUT
V - I/P
+15V
+
D803
V BOOST
SWITCH
Q501
SWITCH
Q503
SWITCH
Q502
D504
TO A BOARD
48
3 ROT COIL
CN902
5
46
V OUT —
E/W
V OUT +
6
45
H DRIVE
V SYNC
7 HFBP
EHT
43 ABL
39 SIRCS
42 DGC RELAY
9 PROT
12 AFC
38 STBY
13 SPKRL
15 SPKRR
35 STBY LED
32
KEY 1
20 VM OUT
21
H/P R
22 H/P L
31 MUTE
R IN
V IN
L IN
C IN
Y IN
IC800
PIN CORRECTION
PIN OUT
Q800, 801
LEFT
CENTRE
RIGHT
1
2
3
T800
PMT
L804
HLC
D815
H CENT
D808
H CENT
+
D807
L801
+135V
L802
D618
PROJECT
SWITCH
Q805
H DRIVE
Q803
T804
HDT
H OUT
Q802
+9V
D801
H DUMPER
D800
H DUMPER
RESP
TO C BOARD
CN701
CN11
IC900
INFRARED RECEIVER
STBY 5V
D901 RES
Q900
SIRCS
RESP
L805
L811
D810
200V RECT
135V
D503
+15V RECT
FBT +15V
D502
-15V RECT
FBT —15V
T803 FBT
200V
HV
H1
H2
E
C
+B
-15V
+15V
1 2
7
6
5
1 3 5 6 7
5
3
4
8
11
DF
FV
6
10
9
7
1
2
MUTE SWITCH
Q1202
MUTE SWITCH
Q1200
MUTE
R OUT
L OUT 5
3
CN1488
SP (L)
SP (R) 1 8
IC1200
AUDIO AMP
R OUT
L OUT
4
6 3 L IN
R IN
S902
S900
S901
D601
D619
PROTECT
+15V
2, 3
CN601
1
DGC
THP600
RY600
1
4
CN603
AC IN
AC IN
AC IN
POWER
S601
LF600
LF601
L.F.T
F601
RELAY DRIVE
Q607
POWER OFF SWITCH
Q605,606,D617,625
T601
SRT
- 21V
D614
— 21V RECT
+ 21V
D613
+ 21V RECT
D610
7.5V RECT
D611
7.5V RECT
IC604
7.5V
STDBY 5V
5V
+15V
D612
15V RECT
D609
135V RECT
D608 D626
MAIN RECT
D600
SOFT START
Q601
D603
REF
D604
IC600
POWER CONTROL
INH F/B OCP C
B D IN D OUT
Vcc
+
D607
D605
D606
IC601
OPTO-COUPLER
2
1 4
3
+135V
REG
IC602
ERR-AMP
+33V
5V REG
5V REG
IC603
9V 9V REG
IC606
STANDBY SWITCH
Q602 - Q604
D616
D615
5 4 3
9
8 7 6 1
13
14
8
4
3
2
6
15
20
21
19
16
17
18
3 1
1 3
1 3
2 1
MUTE
Q1203
7.5V
B + SWITCH
Q1201
D1201
J900
HEADPHONES
CN1401
VM OUT
MUTE SW
HP R
HP L
4
TO VM BOARD
CN1015
CN801
FBT 15V
ROT COIL
TO D2 BOARD
CN1801
IC1201
HEADPHONE AMP
R
L
R
L
1
3
7
6
MUTE
Q1204
D507
D505
4
6
J1200
L
R
H+
H-
V+
V-
6
5
4
3
2
1
CN800
H+
H-
V+
V-
6
5
4
3
2
1
CN2803
RELAY DRIVE
Q2801
1
TO A BOARD
CN4
CN2801
16:9
H+
H-
V+
V-
6
5
4
3
2
1
CN800
DY ASSY
V DY
H DY
H+
H-
V+
V-
RY2801
T2801
DEFLECTION YOKE
D3
23
24
28
25
26
5
4
3
2
1
1
3
4
2
CN900
S-VIDEO
VIDEO
R
L
Y
C
1
2
3
5
4
R
L
V
HV OUT, PIN OUT
POWER SUPPLY
SIRCS RECEIVE INDICATOR
AUDIO IN
Y-CHROMA IN
HEADPHONE AMP
D