Sony KP-ER43M31 Service Manual page 54

6-1-6. M1 BOARD BLOCK DIAGRAMS
CN001(1/2)
CVBS IN B4
HP 100 A23
VP 100 A22
RE-R B18
RE-G B11
RE-B B19
RE-YS B21
D
TO A1 BOARD
CN1001
LED2 A14
RESPONS LED B13
KEY1 B12
KEY2 A12
SIRCS A11
COMB RESET B23
TRAP B5
HP MAIN IN B24
AFT1 A1
AFT2 B1
ST B2
ATT A3
AUDIO RESET A6
CNT SP ON/OFF A5
V-COMP A7
AUDIO MUTE A8
OCP B14
OVP A15
AC ON/OFF B15
APROT B20
ST-BY A24
ABL-CTR B10
RESET 100 B22
DISABLE A25
IC003
TELE TEXT
R 47
G 48
30 CVBS
B 49
Q005
45 HS/SC
HP BUFF
BLAN 50
Q006
46 VS
VP INV
RST 15
12 XTAL1
X002 P3.3 36
43
6MHz P3.4
13 XTAL2
P3.2 44
IC002
MAIN U-COM
7 H SYNC R 32
8 V SYNC
G 33
53 LED2
54 LED1 B 34
14 KEY1
13 KEY2
64 SIRCS
22 COMB RESET
Q004
I 35
ATT
28 TRAP
63 HS0
YS 36
17 AFT1
18 AFT2
29 ST
YM 37
45 ATT SW
30 MSP RESET
IC001
U-COM RESET
58 CNT-SP
RESET 9 1 2
56 V-COMP
31 MUTE
SDA
3 OCP SDA0 48
SCL
6 OVP SCL0 50
60 AC ON/OFF
57 AUDIO PROTECTION SDA1 47
62 ST-BY SCL1 49
55 ABL-CTR
XTAL 11
25 RESET 100
X001
20MHz
19 B-INT
EXTAL 12
Q008
TEXT R BUFF
Q009
TEXT G BUFF
Q010
TEXT B BUFF
IC007
TEXT REST
1 2 +5V
SDA
SCL
IC005
OSD SW
12 X0
X 14
2 Y0
5 Z0
Y 15
Z 4
Q021
13 X1
OSD R BUFF
Q020
1 Y1
OSD G BUFF
A
9
B |
11
Q019 C
2 Z1
OSD B BUFF
Q022,023
B-BACK
IC010(1/3)
IC009(1/2) IC010(2/3)
1
7
6
3 6 2
5
5
3
6
IC008(1/2) IC008(2/2)
1
7
2
IC009(2/2)
IC010(3/3) 1
7
3 5
2
IC008-010
YS PRIORITY
+5V-STBY
IC004 IC006
M1
MEMORY MEMORY
– 54 –
KP-XR43M31/M61/M90/M91, XR53M31/M61/M90/M91
CN001(2/2)
B9 TEXT R
B8 TEXT G
B7 TEXT B
B6 TEXT YS
Q017
A18
OSD R BUFF
Q016
A19
OSD G BUFF
Q018
A20
OSD B BUFF
A21
Q015
YS MIX
Q014
YS MIX
SDA
A17
SLC
A16
+5V A10
+5V ST-BY A15 STNDBY 5V
(SYSTEM CONTROL,TELE TEXT)
RM-961
R
G
B
D
TO A1 BOARD
CN1001
YS
SDA
SLC
+5V