Block Diagrams (3) - Sony TRINITRON KV-28HX15B Service Manual

5-1. BLOCK DIAGRAMS (3)

CN605
1 PFC
PFC
3 PFC
CN606
2 AC IN
TO
F5 BOARD
1 AC IN
CN6102
CN603
1 DGC CHECK 1
2 DGC CHECK 2
CN602
1 DGC
2
DGC
3 DGC
TO A 1/2
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ISOLATOR
4
MAIN RECT
D601
RELAY
3
RY601
REG
IC601
D614
POWER SUPPLY
2 FB VD 18
VGCH 16 Q606
9
1 VSENSE
D608
3 CT 8
4 RT
6
TIMER
VG(G) 12 Q607
7 SS 7
RELAY
STBY
SWITCH 9 OCP
VS
15 6
Q601
8 VC1
IC609
STANDBY POWER
4 1
5
T602
IC608
D632
I O
3.3V REG +3.3V
7
2
8
1
5
4
3
PH601
VD+
1
LOW B
VP
VD-
2
T603
(PIT)
IC602
D625 ERROR AMP
10
RECT 1 2 EWD
11
12
QCP DETECT BUFFER HP
Q602, Q603 Q604
PROTECT
3
1
HD H-DRIVE H-OUT
D638
Q535 Q533
AUDIO
2
VCC
T531
17 LOW B HDT
D619
16
T532
15 5 1 4 10
D618
14 3
4 2 1 7
13
T533
+B
- 26 -
A 2/2 ( )
POWER SUPPLY,
DEFLECTION, VIDEO, AUDIO
IC501
V OUTPUT
IN
7
CN501
V- DY+ 6
3 BOOST OUT 5
V- DY- 5
1 REF
H- DY- 4
TO DY
H- DY- 3
H- DY+ 2
H- DY+ 1
IC531
PIN CORRECTION
D538
5 -
PIN OUT
7
Q532
6 +
D539
3 +
SW532
1
2 -
CN512
H- DY- 8
SMART 6
TO D2 BOARD
CN8801
SW 2
T511 FBT
HV
TO PICTURE
TUBE
1
G2 TO C BOARD
CN706
4
2
FV
CN509
5
DF 1 TO VM BOARD
13
CN1809
6
12
ABL
11
10 D513
+15V RECT
9
CN503
H SYNC (15V PULSE) 3 TO VM BOARD
8
CN1702
D514
7
-15V RECT
CN508
H1 1
TO C BOARD
200V 3
CN707