Diagrams; Block Diagram (1) - Sony KP-43T70 Service Manual

6-1. BLOCK DIAGRAM (1)

IC002
SYSTEM CONTROL
STUH 1 I-2HSYNC 58
O-SPK MT
MTUH 2 I-HSYNC
STU AFT 15 SUBTU AFT 22
I-APROT
MTU AFT 16 MAINTU AFT
MONO 17 O-MONO
TO
SAP O-SAP
A 18 IO-SDAT 47
BOARD
SAP IND 43 I-SAPN O-SCLK 49
TUNER
ST IND I-STEREN
60
BLOCK
STU AUMT 61 O-2MUTE
MTU AUMT O-MUTE
62
AGC ATT 51 O-AGC ATT IO-B DAT 48
ANT SW1 52 ANT SW1 50
O-B CLK
ANT SW2 53 ANT SW2
9
I-RESET
11
O-OSC
I-OSC 12
MICRO R 32 O-R
MICRO G 33 O-G
MICRO B
34 O-B
MICRO I 35 O-I
OSD YS
36 O-OSDYS
TO
DISP YM 37 O-DISPYM 63
O-SIRCS
A
BOARD
SWITCH
VIDEO SBLK 45 O-SBLK I-RMCN 64
Q024
BLOCK
SWITCH
MBLK 46 O-MBLK
Q007
HP 7
I-HP
VP-BUFF
8 I-VP
O-GRAY 23
TO A
KEY 14
HP
BOARD
VP-BUFF I-POWERN 44
PJED
6 I-BINTN O-TMRLED 55
BLOCK B INT
MENU 13
21
I-OVP
20
I-OCP
TO A
56
O-RELAY
BOARD
YUV MT 57 O-YUVMT
TUNER
BLOCK
A
(1/4)(AUDIO, SYSTEM CONTROL)
SECTION 6

DIAGRAMS

IC403
D/A CONVERTER
TO A
BOARD ML OUT1 28 IN1 OUT1 21
TUNER
HR OUT1 5 IN2 12
OUT2
BLOCK
17 SCL
SDA
18
SDA
SCL
IC004
EEPROM
TO A
5 B DAT BOARD
P-MUTE
TUNER
6
B CLK
BLOCK
4 RESET
IC001
RESET
X001
16MHz
TO A
BOARD
S OUT
TUNER
CN003
BLOCK
11 BCLK
FOR
10 B DAT
CHECK
3 SIRCS
TO A
BOARD
RM IN
TUNER
BLOCK
TO A
BOARD
GRAY
VIDEO
BLOCK
CN681
8 OVP
G
7 OCP
4 RELAY
CN002
6 KEY
7 POWER
LED BUFF
8 TIMER LED
Q006
9 MENU
2 SIRCS
– 51 –
IC406
L/R AMP
7 IN+(L) OUT(L) 4
11 IN+(R) 8
IN-(L)
OUT(R)
2
L/R MUTE
5 MUTE IN-(R) 10
Q403, 404
PROTECT
Q408-411
OFF MUTE
+11V
Q402
ON MUTE STBY
Q401 +5V
IC404
5
7
6
IC404
3
1
2
TO G
BOARD
CN605
S1201-1206
CN1203
CONTROL
KEY 6
SWITCHES
S1207
POWER 7 POWER
D1201
STBY +5V
TIMER LED 8
CN1202
TIMER/STANDBY
MENU 9 1 MENU KEY
SIRCS 2
CN1201
2 SIRCS
HA
(CONTROL SWITCHES)
CN403
1 L
2 E
3 R
4 E
TO A
R OUT
BOARD
TUNER
L OUT BLOCK
HB
(2/2)
(MENU SWITCHES)
S1251-1255
CN1252
MENU
MENU KEY 1
SWITCHES
CN1291
SIRCS 2 OUT
D1291
HC
REMOTE SENSOR
(REMOTE SENSOR)
– 52 –