- 25 -
5-1. BLOCK DIAGRAMS (2)
LOWB
5
6
4
CN001
J401
(1/2)
77
63
5
7
4
3
2
1
5
4
RELAY
SWITCH
Q601
T603
SRT
16
15
17
18
18
16
1
2
15
8
11
12
IC602
ERROR AMP
1
2
PH601
ISOLATOR
+B
D638
RECT
AUDIO
VCC
+B
LOWB
3.3V REG
H-OUT
Q533
STBY
+3.3V
IC608
7
5
IC501
V OUTPUT
3
1
VD+
BOOST
REF
OUT
PIN OUT
Q532
6
5
4
3
2
1
D571,
Q571,574
T511
FBT
FV
ABL
12
3
4
1
5
6
13
8
9
11
10
7
V- DY+
V- DY-
H- DY+
H- DY+
TO C BOARD
CN707
H1
200V
TO PICTURE
TUBE
2
3
6
5
+
-
+
-
1
7
IC531
PIN CORRECTION
EWD
HP
PROTECT
IN
VP
VD-
4
1
2
3
T531
HDT
IC609
STANDBY
POWER
HD
D
C
T602
D632
RECT
IC001
MICRO, VIDEO PROCESSOR,
ROM, AUDIO, VIDEO SWITCH
CN606
VD
VG(H)
VS
HP
+B
HV
CN508
XTAL OUT
RED
NVM WP
L AUDIO
TO SPEAKERS
A ( )
POWER SUPPLY, DEFLECTION,
SMALL SIGNAL BOARD,
AUDIO AMPLIFIER
IC601
D514
-15V RECT
VIDEO
L
1
2
1
3
DGC
DGC
DGC
DGC
CHECK
DGC CHECK
CN603
CN602
2
1
H- DY-
H- DY-
TO C BOARD
CN706
G2
IC604
DUAL DC REGULATOR
2
1
+8V
D608
LINE FILTER
T601
RELAY
RY601
MAIN RECT
D601
1
3
4
6
7
9
CT
VSENSE
RT
TIMER
SS
OCP
12
VG(L)
Q606
Q607
6
5
4
7
3
LOWB
D624
D622
D618
D619
VM VCC
QCP DETECT
Q612, 602
1
4
CN1201
J1200
R AUDIO
64
XTAL IN
40
AUDIO MUTE
5
AUD OUT
78
+3.3V
STBY
6
5
2
3
+
-
+
-
7
1
+5V STBY
IC201
AUDIO AMP
MUTE
1
IN/INL
10
3
/OUT W
H-DRIVE
Q535
68
IC401
AV LINK
+5V STBY
69
R0 56
A10
B10
1
2
3
6
G0 57
B0 58
IK 55
GREEN
BLUE
IK
EWD 17
VD- 18
VD+ 19
ABL 54
74
TO C BOARD
CN703
7
CN003
J401
(2/2)
NSC CORRECT
ROT COIL
AGC
SCL
SDA
VIDEO
IC004
SDA
6
SCL
5
7
WP
71 SCL
72 SDA
28
CVBS2/
CVBSY2
3
AGC
53 B2/UIN
1
MODE1
80 MODE2
52 G2/YIN
51 R2/VIN
38 -/C4
50 INSSW2
32 CVBS1
37 -/CVBS4Y4
65 RESET
45 AUDIO 1
49 AUDIO 3
34 CVBS3
A8
A11
A7
B8
A15
A16
B20
B15
A20
A2
BLUE IN
MODE1
MODE2
GREEN IN
RED IN
C2 IN
BLK
V IN 1
Y/V IN 2
IC003
RESET
TU101
MUTE SW
Q212
AUDIO
AUDIO
VIDEO
STBY 70
2
FB
D513
+15V RECT
5
1
D625
14
OUT/L
12
/OUT R
9
STBY/
MW
6
/IN W
L OUT
L IN
R IN
R OUT
TO H2 BOARD
CN908
CN1200
1
CN1202
CN1203
WOOFER
WFR R IN
WFR L IN
1
2
4
MUTE
7
SDA
CS
SCL
AGC
3
IC201
MSP3410D-PP-B4
SC1 OUT R
37
SC1 OUT L
36
63
XTAL OUT
62
XTAL IN
47
SC3 IN R
46
SC3 IN L
31
DACM SUB
/C3 35
KEY
2
LED
6
SIRCS 67
CN405
7
6
4
KEY
LED
SIRCS
TO H8 BOARD
CN7150
A1
B1
A3
B3
SC1 OUT L
SC1 OUT R
SC2 OUT L
SC2 OUT R
SC2 OUT R
34
SC2 OUT L
33
R
AUDIO
J402
L
CVBS/Y
KEY
R
A19
VIDEO
CN406
TO H2 BOARD
CN906
1
4
6
8
9
6
5
3
2
C
CS
4
6
7
TO F3 BOARD
CN3603
TO D2 BOARD
CN8801
SW
SMART
CN512
2
6
DEF SW 75
TO D3 BOARD
CN2803
VOUT
AC IN
4
8
TO B BOARD
CN8302
AC IN
TO VM BOARD
CN1701
VMOUT
CN510
CN501
Содержание KD-28DX40U
Страница 29: ... 29 A Schematic Power Supply Deflection Small Signal Audio Amp page 1 2 KD 28 32DX40U 9 927 411 01 ...
Страница 30: ... 30 A Schematic Power Supply Deflection Small Signal Audio Amp page 2 2 KD 28 32DX40U 9 927 411 01 ...
Страница 34: ... 34 A1 Schematic Digital Front End Processing ...