Block Diagram - Sony KP-48PS2 Service Manual

BLOCK DIAGRAM (7)

M
(MICRO CONTROL,TEXT)
CN9001(1/2)
RE-R A1
RE-G A2
RE-B B1
RE-YS B2
CVBS IN B4
VP 100 A22
HP 100 A23
C1
DISABLE A25
TO BLOCK
Q9110
DIAGRAM(2)
INV
A BOARD
IC9103
CN1001
I2C BUS SW
7 3
5 6
2 1
SDA A17
SCL A16
PROT A7
SIRCS A11
RESPONS LED B13
AC ON/OFF B15
ST-BY A24
Q9101-9103
AV LINK B6
BUFF,SW
Q9100
OUTPUT
KEY2 A12
KEY1 B12
IC9100(2/2)
5
7 KEY DET
+
6
STBY +5V -
3
1
+
2
-
IC9100(1/2)
KEY DET
+5V A10
+5V
+5V B10
STBY +5V A13 STBY +5V
IC9105
MICRO CONTROL
3 VP100 16
M3LEN
4 HP100 SCLK 22
MRST 17
MTSR 18
IC9104
RESET
20.480MHz
6 XTAL1 WDT EN 31 6 ENABLE
32 7 RESET
WDT CLK
X9101
8 PULSE
16MHz
RSTIN 78 1 RESET
7 XTAL2
IC9110
I/O EXPANDER
95 CS/DISABLE
/STR 14 1 /STR MTX RES
15 2 DATA
DATA OSD OFF
23 3 CLOCK
CLOCK RES.AUDIO
/RSOUT 79 15 EO AUDIO MUTE
RES.PICTURE
IC9108
MAIN NVM
4 SCL WR 34
WP 7 30 WP RD 33
5 SDA
CS2 83
86 SDA1 CS1 82
87 SCL1 CS0 81
10 SDA0
40
9 SCL0
|
AD0
47
|
50
92 PROT AD15
|
89 SIRCS 57
12 RESP LED
93 AC ON/OFF
13 ST.BY
15-22 25-32
90 AV LINK IN
11 AV LINK OUT
99 AN0 KEY2
100 AN1 KEY1 2-11 35-43
94 TC INT 26
|
29
A0
59
| |
65
A19
68
|
75
IC9502
10 CVBS
MEGA TEXT
4 VS
5 HS
IC9501
PAGE RAM
68 IICEN
66 TXD RAS 38 5 RES
67 RXD WE 39 4 WE
CAST 45 23 CAS
6 XOUT
6
X9500 8
|
A0 26 A0
12 2
| D0 40
7 XIN | |
15 3
37
| |
A11 A11
| 24
43
D3
19 25
17 RES
21
6
7
14
11
13
12 14 13-15 17-21 22 24 31 13-15 17-21
1-12 23 25-30 3-12 23 25-28
IC9109 IC9400
EPROM FLASH ROM
– 36 –
12 Z0
13 Z1
Q9502
R 61
BUFF
Q9501
G 62
BUFF
Q9500
B 63
BUFF
IC9111(1/2)
IC9111(2/2)
1
5 7
BLAN 64 3 2
6
Q9504 Q9503
2
3
D0
1
|
D3
IC9500(1/2)
BLK MIX
22 24 29
IC9107
SRAM
KP-48PS2/61PS2
RM-903
I9112
RGB-SW
CN9001(2/2)
Q9105
2 X0 15
XC A18 TXTR
BUFF
5 Y0
Q9106
A19 TXTG
ZC 14
BUFF
1 X1
Q9104
3 Y1 YC 4 A20 TXTB
BUFF
9 10 11
C2
TO BLOCK
DIAGRAM(2)
A BOARD
CN1001
5
6
4 A21 TXTBLK
IC9500(2/2)
BUFF
A6 AUDIO RESET
A8 AUDIO MUTE
B22 RESET100