23
24
5-1. BLOCK DIAGRAMS (1)
LOWB
5
4
1
CN001
J401
(1/2)
79
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+
DY ASSY
V- DY-
H DY
H- DY+
H- DY-
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
EW
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
CN601
CN510
VD
VGCH
VS
HP
+B
HV
CN508
XTAL OUT
RED
NVM WP
LED
L AUDIO
TO SPEAKERS
A ( )
POWER SUPPLY, DEFLECTION,
SMALL SIGNAL BOARD,
AUDIO AMPLIFIER
IC601
D514
-15V RECT
VIDEO
L
+5V
STBY
1
2
1
3
DGC
DGC
DGC
DGC
CHECK
DGC CHECK
CN603
CN602
POWER
S601
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(G)
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
48
AUDIO MUTE
5
AUD OUT/CV6520
6
67
2
1
VCC
OUT
IC002
REMOTE CONTROL
RECEIVER
+3.3V
STBY
6
5
2
3
+
-
+
-
7
1
+5V STBY
IC201
AUDIO AMP
MUTE
1
IN/INL
10
14
OUT/L
H-DRIVE
Q535
FUNCTION SWITCH
S001 - S006
68
IC401
AV LINK
+5V STBY
69
R0 58
A10
B10
1
2
3
4
G0 57
B0 56
IK 55
GREEN
BLUE
IK
EWD 17
VD- 18
VD+ 19
ABL 54
73
TO C BOARD
CN703
TO C BOARD
CN1705
7
CN504
J401
(2/2)
NSC CORRECT
ROT COIL
AGC
SCL
SDA
VIDEO
IC004
SDA
6
SCL
5
7
WP
71
SCL
72
SDA
36
CVBS2/
CVBSY2
2
KEY/CS
3
AGC
53 B2/UIN
1
MODE1
80 MODE2
52 G2/YIN
51 R2/VIN
46 -/C4
50 INSSW2
40 CVBS1
45 -/CVBS4Y4
65 KEY/CS
32 AUDIO 1
29 AUDIO 2
42 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
BUFFER
Q401,411
A19
TU101
MUTE SW
Q212
AUDIO
AUDIO
VIDEO
STBY 70
2
FB
D513
+15V RECT
5
1
D625