Sony KP-43HT20 Service Manual page 10

5-1. BLOCK DIAGRAM (8)
A
(2/4)(AUDIO, SYSTEM CONTROL)
CN6 (1/3)
TO U
A AUDIO L C10
BOARD
AUDIO R A11
CN2001
TU MUTE
STUH
MTUH
AFT2
AFT1
MONO-1
TO A
BOARD
10
SAP LED
TUNER
ST -1
BLOCK
MOD-1
AGC
ANT SW M
V COMP
BLOCK M
TO A
BLOCK S
BOARD
8
YUV SW
VIDEO
PROT MUTE
BLOCK
MID BUSY
X SW
VM LEVEL
S-MODE1
TO A
BOARD
6 S-MODE2
VIDEO
3D-RST
BLOCK
S-ATT
TO A
BOARD
5
HV PRPT
VIDEO
BLOCK
TO A
DAT1
BOARD
9
CLK1
I/O CONV
BLOCK /BINT
CN6 (2/3)
D708
C23
CONT-S OUT
TO U
A
D709
BOARD CONT-S
CN2001 I/F
CONT-S IN Q702-706
A24
Q708-710
IC704
SYSTEM CONTROL
23 SUB H-IN DAT1 31
25 MAIN H-IN CLK1 28
92 SUB AFT AUDIO PROT 24
93 MAIN AFT 65
SP MUTE
83 FMONO POWER MUTE 67
AUDIO MUTE 66
63 MAIN BIL LINE MUTE 79
IC701
85 MAIN ST
RESET
Q707
58 MAAIN MOD2
NVM RST 50
4 AGC
12 4 RST
RESET
55 ANT SW M
IC703
NVM
39 #V-COMP 8 $A0
73 BLOCK M DAT0 30 5 DAT
74 BLOCK S
CKK0 29 6 CLK
78 YUV SW
WP 47 7 WP
54 PROT MUT
IC702
42 MID BUSY
NVM
52 X SW
40
VM LEVEL 8 VCC
81 5
DAT
80
6 CLK
51 SD/GR-RST
7 WP
82 S-ATT
OVP 45
44
OCP
MAIN RLY 72
53 HV PROT YM 22
BUFEER
YS
21 OSD-YS
Q701
OSD R
32 OSD-R
OSD G 33 OSD-G
DAT1 OSD B 34
OSD-B
CLK1 KEY1
94
41 /BINT
MPWR 46
MPWRN 19
STEREO-LED 48
STBY TIMER LED 49
88 YUVMT
13
XTAL
87 /BINT X701
XTAL 15
Q715 Q733
OSD H 97 SIG-H
OSD V SIG-V
95
ND-B-INT MID BINT
90
IR IN
7 SIRCS
IC711
D/A CONVERTER
IN1
28 L OUT1 21
IN2
5 R OUT2 12
17 SCL
18 SDA
D704
DAT1
CLK1
+11V
Q707
OFF MUTE
Q402
ON MUTE
Q401
CN7
OVP TO G
8
G
BOARD
7 OCP
CN5001
4 RELAY
H2
TO A
(CONTROL SWITCHES)
BOARD
1
VIDEO
BLOCK
CN9 CN9202
KEY1
3 KEY1 3
4 POWER POWER 4
STEREO LED
2 STEREO LED 2
1 STBY-TIMER-LED STBY-TIMER LED 1
CN16
CN9401
2 SIRCS SIRCS 2
TO A
H4
BOARD
7
VIDEO
BLOCK
(REMOTE SENSOR)
– 40 –
KP-43HT20/53HS20/53HS30/61HS20/61HS30
RM-Y908 RM-Y908
IC708
L,R AMP
IN(L)
7 OUT(L) 4
IN(R)
11 IN-(L) 8
OUT(R) 2
L/R MUTE
MUTE IN-(R)
5 10
Q717,718
PROTECT
Q722,723,725
D713
TO A
BOARD
7
P MUTE
VIDEO
BLOCK
D711
D712
IC707(1/2)
3
1
2
IC707(2/2)
5
7
6
S9201-9212
CONTROL
SWITCHES
CN9201
3 POWER
2 STEREO-LED
1 STBY-TIMER-LED
OUT
IC9401
REMOTE SENSOR
RM-Y908 RM-Y908 RM-Y908
CN705
1 SP(L)
L.E.
2
3 SP(R)
R.E.
4
CN6 (3/3)
A28 A MUTE
TO U
A26 LINE MUTE
A
BOARD
CN2001
C6 VARIL
A6 VARIR
H1
(POWER SWITCH)
S9101
POWER
CN9101
POWER 3
STBY +5V
D1201
STEREO-LED 2
STEREO
D1201
STBY-TIMER-LED 1
STANDBY/TIMER