Block Diagram (6) - Sony KV-28DS60U Service Manual

BLOCK DIAGRAMS (6)
IC3308
CPU
IRQ1/IPL2 62
C53
46 TO N BOARD DMXTRQO
(2)
WEI
40 A26/CS6/WEI
TO N BOARD
CS2
(1/2) 45 CS2
ATA 61
IC3320
CN3302 RXD2
136 RXD2
NAND GATES
TXD2
137 TXD2
IRQ4/IPL1 2B
14 63 5
127 TMS/BKPT
IRQ1/IPL0 64 6 2Y
15 1Y 3
121 TRST/DSCLK
DMXTRQ1
TO N
18 1A 1
124 TD0/DS0 BOARD
R/W
(2/2) 13 4A AVIRQ
17 1B 2
126 TD1/DS1
19 PP7/PST3 PP7/PST3 A25/CSS 38
151 PP7/PST3
7 PP6/PST2 PP6/PST2
PP6/PST2 R/W 54
152 IC3318
SELECTORS
20 PP5/PST1 PP5/PST1
153 PP5/PST1
TO N BOARD
PP4/PST0 PP4/PST0 ADVS
8 13 4L1 2Y 7
154 PP4/PST0 (2/2)
PP(0) - PP(7)
21 PP3/DDATA3 PP3/DDATA3 1 5 3Y 9
156 PP3/DDATA3
9 PP2/DDATA2 PP2/DDATA2
157 PP2/DDATA3 1Y 4
22 PP1/DDATA1 PP1/DDATA1 WE/A17/LS7 41 5 2L0
158 PP1/DDATA3
10 PP0/DDATA0 PP0/DDATA0
159 PP0/DDATA0
RSTI 59
IC3315
GP OUT BY LATCH GP INPUT BY LATCH
DO 120
D (24)
. 3 1D
1 A(0) 119
D (25)
. . 4 1 2D
117
2
. ~
D (26) C
OPEN 4 113 7 3D 11 11
~
.
5 111 D (27)
8 4D 8Q 19 18
. .
7 109 D (28)
. ~ 5D 3Q
13 6
8 107
. . D (29)
105 14 6D 4Q 9
10
. ~
D (30)
11 103 17 7D
. .
13 101
D (31)
. ~ 18 8D
14 99
.
.
16 97
. ~
TO N BOARD A(0)-A(23) 95 D(0)-D(31) TO N BOARD
17
(1/2) . . (1/2)
19 93
. ~
91
20
. .
22 89
~
.
23 87
.
25 85
. ~
26 83
. .
81
28
. ~
29 D31 79
.
31
. DRAMW
DRAMW 78
32
. CAS3
34
CAS3 76
.
35 A(23) CAS2
CAS2 75
CAS1
CAS1 74
CAS0
CAS0 72
19
RAS0
RASO 71 11
CTSI 138 18
RTSI 139 17
RXDI 141 12
TXDI
142 13
4 RESET
54
IC3312
3 INPUTS AND GATES
N( )
2/2
12 1Y
DEMUXACK
2B
1 1A 4
TO N BOARD
AVDTACK (2/2)
13 1C 2C 5
3A 9
10 3B
6 2Y
IC3313
NAND GATES
13 4B
10 3B
TO N BOARD
9 3A
(2)
ACTAVRST TO N BOARD
TO N BOARD R/W 4A
3 1Y 12 (2)
(2/2)
1 1A
2 1B
J4203
AV-2
IC3310
8 MBIT FLASH
D16
IC3301 12 RESET 45
.
+5V RESET IC3307
43
16 MBIT ED DRAM UPPER
.
41
1 2
.
39 21 A0
IC3316
. ~
36 23 DQ16 49
. . ~
11 /WE 46
34 28
D (24) . .
1Q 2 ~ J4204
25 A1 32 32 44
~ AV-4
D (25) ~ . .
2Q 1 5 41 D(16)-D(24)
18 30 D(16)-D(31) 24
. . .
. 10
C D (26) 8 44 27 A9
3Q 6 ~
A(1)-A(19) ~ .
42 7
D (27) 1
8D 4Q 9 . . DRAMW .
17 /WE 5
48 40
D (28) . ~
5Q . CAS1
12 17 38 35 /LCAS DQ1 2
. .
D (29) CAS0
6Q 15 16 A19 35 /UCAS
. 34
D (30) 33
7Q 16 RAS0
. 18 /RAS
31
D (31) .
8Q 19
D31 29
R/W 28
CN4202
TO H BOARD
CN903
16
IC3309
8 MBIT FLASH
CN4207
12 RESET D16 29
.
IC3304
31
11 /WE . 16 MBIT ED DRAM UPPER
33
. TO A BOARD
35 21 A0 CN201
.
~ DQ16
38 23 49
A1 ~ 4
25 . .
~ 40 46
28
18 . ~ .
44
. 42 32
8 . ~
.
~ 44 41 D(0)-D(15)
IC3317 A(1)-A(19) D(16)-D(31) 24
1 . . .
10
. 30 27 A9
48 . ~
2G 1A1
2 . 32 7
DRAMW .
17 . /WE
. 34 17 5
2A1 2Y4 3
16 A19 . ~
+5V CAS1
36 35 /LCAS DQ1 2
1Y1 1A2 4
8 6 .
7 39 CAS0
5 3 34 /UCAS
4 .
2A4 2Y2 7 2 1
41
. RAS0
18 /RAS
1Y4 1A4 8 43
CN3301 .
2A2 2Y1 MODEM D31 45
9
OUT
R/W 28
A(9)-A(15), A(17), A(19), A(21)
55
J4201
AV-1
BLK
R IN
IC4203
G IN
AV INPUT/OUTPUT
INTERFACE
B IN
R OUT
MODE MODE RTV1 64
30 S1
V OUT
L IN R IN TV1 63
28 R1
L OUT
V IN L IN L7V1 62
26 L1
C OUT
R IN V IN C OUT 4 47
25 V1
Y OUT
R OUT
Y OUT 4 45
R OUT
V OUT
R OUT 4 43
L OUT
L OUT L OUT 4 41
V OUT
V OUT 4 42
MODE
MODE 24 S2
L IN
L2
L IN 20
R IN
R IN 22 R2
C IN
C IN 23 C2
V IN
C IN 19 V2
V OUT
R OUT
54 R OUT 2
L OUT
L OUT
53 V OUT 2
R OUT
V OUT IC4201
52 L OUT 2 AUDIO SELECTOR
V OUT
R OUT
R PAP 36 11 R IN3
L OUT
R OUT 14 R IN1
H.P. AMP
MODE MODE 20 L IN3
18 S4
C IN L OUT L OUT 2 2 L -
C IN
17 L4 L PAP 34 13 L IN2
R IN R IN
16 R4
18 L IN2
L IN L IN R OUT 9 6 R -
14 C4
17 L IN1
V IN V IN
13 V4
1 C IN
CIN
11 C3
3 V IN R IN
10 R3
5 L IN L IN
8 L3
R IN
7 V IN
7 V3
1
5
3
( )
AV INPUT INTERFACE
J
AUTO SELECTOR, H.P. AMP,
AUDIO SWITCH
56
CN4201
BLK B18
R A18
G B17
B A17
TVI V A6
TVI R A5
TVI L B4
Y OUT B12
TO A BOARD
CN1301
C OUT A12
1
A11
R OUT
L OUT B10
B9
L OUT
TO A BOARD (1/2)
CN1305
B2
SP 3 J4208
SP S - A2 5
B1
SPS +
SP S + A1
SP 2
SPS -
SP 1
CN4208
IC4202 1
CN4205
L OUT 1
L OUT 1
TO H BOARD
CN902
R OUT 3 15
R OUT 7
J4207
R
L
SP 2
CN4209
3
SP 1
1
CN4206
3
1
57
( )
C
CRT DRIVE
FV
POWER ON IC703 TO D BOARD
+12V SWITCH FV (T6804)
VIDEO OUT (RED)
Q705
CN701
1 VB
J701
R
1 G4
3 VI
R
STANBY SW 10
9 VDF VO 8
Q703
G
9
5 IK
IC702
B
8
VIDEO OUT (GREEN)
1 VB
G2
3
G
3
3 VI
H1
5
PICTURE TUBE
STANBY SW
9 VDF VO 8
Q702
5 IK
HV
IC701
VIDEO OUT (BLUE)
1 VB
B
5
3 VI
CN703
H1
4
STANBY SW VDF VO
9 8
Q701 TO D BOARD
(CN509)
G2
8 IK
IK 1
5 20
RV5375
VOLTAGE DET
G2
+12V
Q704
( )
D2
SOFT START CONTROL
CN2612
(1/2)
3 Q2607,
BUCK UP2
Q2617 2606,
CN2612
2605
(2/2)
OVP
10
TO
SWITCH SOFT 5
D BOARD
Q2602 START
CN612
19
8 TO
STBY+5V SWITCH SWITCH MAIN SW 1
Q2613 Q2604 D BOARD
CN612
ST-BY +12V 4 19
SWITCH
Q2610,
BUCK UP1 2
2608
58
TO D BOARD
HV (T6804)