Block Diagram (3) - Sony KP-48V80 Service Manual

5-1.

BLOCK DIAGRAM (3)

IC203
A/D CONVERTER
IC202
4MB EDO
22
I
2 31
20 67
DB1 DYC02 I I
CN401
· I
B.P.F BUFFER 28 5 34
MAIN V/Y 18 4 VIN MIO0 IO1
DB8 17 DYC09
FL203, Q215, 216 Q210 74
I · ·
I
MIO15 13 7 36 IO16
13
I I
CLK 24 75 ALTE
10 39
PCL 6 61 ST0
11 13 WE
MWE
MOE 12 27 OE
MCAS 10 28 LCAS
BUFFER INVERTER
76 CSI 29 UCAS
A Q206, 212 Q201, 204
SDA 60 SDA
TO U IC204
SCL 59 SCL
3D COMB FILTER
BOARD
CN1701 BUFFER PEEKING
Q228 Q226, 227
BUFFER
MAIN C 16
Q1403
MAIN U 3
MAIN V 1
MUV SW 5
CN201
(3/3)
COMB C 5
IC1403
SUB DECODER
B
BUFFER
CVBS/YIN
SUB Y 10 34
TO U Q1405
BOARD SYNC, SEP,
V SYNC
38
CN1703 Q1408
39 H SYNC
SUB C-BUFF
SUB C 9 32 C IN
Q1407
XNTSC
26
X1404
3.58MHz
29 APC
18 Y OUT
19 U OUT
20 V OUT
SDA SCL
37 36
SDA SCL
IC1406
YUV SW
2 YIN
12 UIN
5 VIN
Y-BUFFER
CN004 1 DYIN DVDSW
Q1413
(3/3) DVDSW
SUB U 18 13 DU IN DVDSW
C
SUB V 17 3 DV IN
SUV SW 20 INH
6
TO U
BOARD
CN2001
A
(3/4) (VIDEO)
– 59 –
IC1410
Y SWITCH
16
B.P.F BUFFER
I 1
9 AY0 84 BUFFER
FL202, Q203, 207 Q211, 214 7
19
A0 I MA0 3 Q1402
· 2 SYNC, SEP
B.P.F BUFFER 2
A8 22 MA8
· AC0 83 Q1406
Q209, 213
FL201, Q202, 208
I 99
26
RAS 14 98 MRAS
30 X1
50
FSC1
BUFFER
RY 8
Q1411, 1415, 1417
RU 7
RV 6
VTIM
14
10
CPIN
MHT IM 12
HTIM 15
10
MUT IM
SCP 16 5 SHYTIM
6 SUTIM MHSYNC 3
MHSYNC 4
RY IN 11 MHSYNC 9
RU IN 12 SHSYNC 7
RV IN 13
CERA 1
X1403
503KHz HLOCK 2
HP 11
HP
14 MHLOCK 13
IC1408
SYGNAL SW
YOUT 15
UOUT 14
VOUT
4
9
10
11
– 60 –
IC1402 IC1405 IC1407
P&P CONTROLLER YUV CONTROLLER
MAIN DECODER
BUFFER BUFFER
34 CVBS/YIN RY 8 10 MY DY 86 1 P-Y Y OUT
Q1409, 1410, 1412 Q1418
RY OUT
BUFFER
38 VSYNC RU 7 6 MU DU 90 3 P B-Y BY OUT
Q1420
39 RV 6 8
HSYNC MV
BUFFER
TV OUT
XNTSC 26 DV 88 2 P R-Y
X1402 Q1419
32 CIN
3.58MHz
APC 29 19 TV IN CLAMP
10 CPIN 23 DVDY
VTIM 14 17 MVSYNC
15 HTIM IC1401 22 DVDR-Y COLOR
16 SCP RY IN 11 2MVRAM 21 DVDB-Y
RU IN 12 YSW
18 YOUT RV IN 13 8 YSW
19 UOUT I YUV SW
CERA 1
11
20 VOUT WIO1 32 DAO0 6
SDA SCL · I
37 36 WIO8 31 39 DAO7
YUV SW
I
DFB 93
X1401
Q1422
34
503KHz
SDA SCL
3
2 YIN YOUT 15 I
12 UIN UOUT 14 6 23
SIO1 DAI0
5 VIN VOUT 4 · I
SIO8 36 DAI7
1 DYIN 30
13 DUIN I
3 DVIN 9 39
DVDSW MUV SW
DVDSW 10 SUV SW
6 INH DVDSW 11 25
I
IC1404 22 50
A0 AD0
YUV SW · I
A8 AD8
19 58
I
15
SC 2 40 SC
DT 7 31 DT
WE 13 47 WE
RAS RAS
14 49
CAS 27 48 CAS IC1412
RESET
71 SY
POR 62 4 OUT
75 SU
73 SV
SVSYNC
64
61
SDA SDA
SCL 60 SCL
MPHSYNC
2
95 DPHSYNC
DPVSYNC 94
19 SPHSYSNC
VP-BUFF
FROM
A
MBLK
BOARD
KILLER
SYSTEM
MHLOCK
CONTROL
SBLK
BLOCK
– 61 –
IC206
YCJ
8 7 EY IN 20
R OUT
9 8 ERY IN
10 10 EBY IN G OUT 24
TV BUFFER
12 63 YIN B OUT 26
Q1424
64 CIN
LEVEL SHIFT
5 55 BGP IK IN 27
Q1414, 1416
16
HUE 17
13
14
COG AMP
L2FIN 44
Q225
SYNC BUFF
51 VSIN
Q221
52 HSIN
IC1409
D/A CONVERTER
SDA SDA AFCFIL
4 45
SYNC BUFF FULL MAIN SCL 3 SCL
1 7
Q1403 DVD YSW ABL IN 28
AFC PIN/HOFF 43
COL 5
E/W DRIVE 37
4 DVD SW HUE 6
SYSTEM CONTROL BLOCK
HD OUT 41
DVD SW2
3
VTIM 31
2 V45 MSW SDA 14 SDA
V45 SSW SCL SCL
9 15
10
V DRIVE- 34
V DRIVE+ 35
BUFFER
MICRO R 14 RIN
Q002
CERA 46
Q012
BUFFER
FROM MICRO G 15 X203
GIN
Q008
A 503KHz
Q011
BOARD BUFFER
MICRO B 16 BIN
SYSTEM Q009
Q013
CONTROL XTAL 59
MICRO I X202
BLOCK
3.58MHz
DSP YM
OSD YS
Q021 Q020
BUFFER
Q010 VM 54
Q022 Q019 BUFFER
Q014
Q023 Q018
BUFFER
Q015
BUFFER
IC1601
12 YM
Q016
MAIN V CHIP/CC
BUFFER
BUFFER
7 VIDEO R 18 13 YS
Q1602 Q017
YUV SW FSCOUT
G 2
5 57
HIN
5
B 3 RE-R
FRON
RE-G
BUFFER A
4 SEN BOX 17 RE-B
BOARD
Q1601
SDA SCL PJED RE-YM
14 15 BLOCK RE-YS
PJERST
SDA
SCL
14 15
SDA SCL
5 HIN
4 SEN
7 VIDEO
IC1602
SUB V CHIP
– 62 –
CN204
BUFFER
9 R
Q220
BUFFER
7 G
Q219 H
BUFFER
5 B
Q218 TO CG
BOARD
1 IK
CN731
BUFFER
6 G
Q231
FOR
BUFFER CHECK
7 B
Q230
CN003
COG BUFF
Q223
COG UNIT
Q205, 224
AFC AMP
CN801
Q217
(1/2)
4 ABL
5 HV PROT
I
6 PIN
FROM A BOARD
HP 8 HP
10 HD TO G
2 V BLK BOARD
CN1502
CN202
(1/2)
5 V DRIVE(-)
J
6 V DRIVE(+)
TO G
BOARD
CN501
CN203
VM BUFF K
6 VM
Q222
TO CG
BOARD
CN1304