Sony FD Trinitron KV-28DS65U Service Manual page 35

5-1. BLOCK DIAGRAMS (3)
CN302
B4 DIG-EN
IC316
SWITCHES ANALOGUE/DIGITAL SYNCS
5
1
A7 CLK
11
A6 H REF
A8 Y7
B8 Y6
A9 Y5
Y4
B9
Y0-Y7
A10 Y3
B10 Y2
TO A BOARD
A11 Y1
CN1806
Y0
B11
A12 C3
U0,U1,V0,V1
B12 C2
A13 C1
IC3502
C0 MAIN COLOR DECODER
B13
SCP 10 5 SCP IN
1 16 R-Y IN
RCY OUT
B-Y OUT 2 14 B-Y IN
A17 BLK
18 BLK
U IN 3 12 U OUT
A18 R IN
21 R IN
V IN 4 11 V OUT
A9 G IN
20 G IN
B IN
A20
19
B IN
A14 PAL/NT
AMP
U OUT 14
Q3515
A15 C IN
A16 Y/CVBS IN
COMB SW AMP
A17
V OUT 13
Q3516
AMP
Y OUT 12
Q3517
20 Y/CVBS IN
19 C IN
V 11
17 1
HA
7
9
10
6
IC3503
DELAY LINE
IC304
MAIN A/D CONVERTER
16 H REF
D0 24
Y0-Y7
~
7 0.83VPP
31
D7
UV0
0.82VPP 19
9 U0,U1,V0,V1
~
UV3 22
LPF
3 0.72VPP
FL303
IC309
CONTROLLER
39 VACQ
WE1 8
RSTW1 42
11 HRA
13 SWC1/2 6
4 35 LLDFL SRC1 4
VDFL 38
8
IC328
HDFL 37
AND GATE
11 5
IC307
P0
3 13 LLA 25
MAIN PLL
~
4
6
P7 32
ALE 21
WRD 22
IC318
4 IC310 6 1
FREE RUN 4
DISPLAY
5 PLL 12 2 PLL
37
IC311
FIELD MEMORY
9 D4
2 D11
1
Y7 D3
10
3
Y7
Y4 13 D0
2 12
14 SWCK
Y6 Y5
IC313,314 WE
16
5 9
23 SRCK
Y6
6
1
Y7
3
Y7 Y4
2 12
Y6 IC315 Y5
5 9
Y6
6
14
IC327
BUFFER
11
1
IC320
1 4
IC321
LOGIC GATE
5
2 7
LOGIC GATE
6
IC326
9
BUFFER
2
V100
H100
P0
43
~
4
PI2
36 P7
33 ALE
V-PULSE 14
IC317
18 WRN DA
SOFTWARE
RXD 11
CL
13
TXD
RST 10
31 P27
IC319
DIGITAL NOISE REDUCE
ZOOMING
IC324
D/A CONVERTER
Y00 48
76 YA0
~
.
YUV0
50 18
Q0 75 RES 31
28 Y0-Y7
~ ~
.
~
53 25 YUV7
72
Q7 35 HS 40
~
~
Y07 57
67 YA7 1.3VPP
54
0.82VPP
38
UD0 1.05VPP 51
42
~
16 UV0
UVA3
Q3 27 U0,U1,V0,V1 77 0.64VPP 47
44
~
~
~ .
13
UV7
24 80 UVA0
Q0 UD3 47
39 0.83VPP
IE 17
RSTR 16
RE2.OUT 16
WE2.OUT 16
V100 60 RSTR
Y0
15
40
VRST
~
13 Y0-Y7
.
10
~
Y7 6
UVC0 19
U0,U1,V0,V1
~
CL
62 UPCL
UVC3 16
DA
61 UPDA
UVB0 25
U0,U1,V0,V1
~
28
UVB3
YB0 29
~
32
Y0-Y7
.
35
20 CLK
18
~
YB7 38
H REF
41
16
SUB CARRIER
QUAD CLOCK
PAL/NT
VCO
7
IC3403
DIGITAL COMB FILTER SWITCH
COMB/C
11 COMB/C
COMB/Y
4 COMB/Y
C
14 C
C+
C OUT 13
Y
2 Y
Y+
Y OUT 3
COMB SW
9 B1
B
38
CN301
RST B7
2SCP A8
2U OUT A2
TO A BOARD
2V OUT B2
CN1804
2Y OUT B1
B3
V100
IC323
A4
H100
FIELD MEMORY
14 SWCK
21 RE
16 WE
13 WE
D7 Q7
Y0-Y7 6 31 Y0-Y7
~ ~
13 D0 Q0 24
5 D8 Q8 32 U0,U1,V0,V1
~ ~
Q11 35
2 D11
IC3401
DIGITAL COMB FILTER
PAL/NT
69 RAT1
COMB Y
70 NTPL
IC3402 AYO 31
74 LE
COMB C
39
ACO
4FS 4 11 OCLK
Y/CVBS
25 ADIN
( )
MAIN COLOR DECODER, A/D, D/A
CONVERTER DIGITAL NOISE REDUCER,
PAP SWITCH, CONTROLLER, SOFTWARE
DIGITAL COMB FILTER