- 27 -
5-1. BLOCK DIAGRAMS (2)
A1 ( )
DIGITAL FRONT
END PROCESSING
CN4101
TO
N BOARD
IC4104
A/D VIDEO
SWITCH
12
SWITCH
Q4124
5
2
RIGHT
TO
B1 BOARD
CN8401
6
SDA-TV
X
SWITCH
Q4115
SWITCH
Q4117
INVERTER
Q4118
10
INVERTER
Q4119
11
INVERTER
Q4120
15
4
14
Q4105
Q4104
SWITCH
Q4107
3
4
5
Y
Z
14
15
5
6
2
1
X4101
XTAL
SCL-TV
SWITCH
Q4113
SWITCH
Q4112
SDA-TV
SCL-TV
CVBS-A/D
IC4102
RTC
C (Z)
B (Y)
A (X)
SCL (TV)
SDA (TV)
Y0
Z0
A (X)
D CVBS
RY
GC
SCL-N3Y
SDA-N3Y
LEFT MPEG
RIGHT MPEG
RIGHT-DIGITAL
LEFT-DIGITAL
C-DIGITAL
Y-DIGITAL/CVBS-A
10
CN4104
11
15
5
6
1
2
IC4105
PORT EXPANDER
A22
A7
A6
A5
A4
A3
C1
B1
A1
LEFT
MUTE
FBLK
CVBS
B
G/C
R/Y
SCL (TV)
SDA (TV)
PTEN
FE RESET
FE LOCK
SCL (N)
SDA (N)
N RESET
PT CLK
PT SYNC
TS6
TS7
TS4
TS5
TS2
TS3
TS0
TS1
B22
A24
A25
B25
A26
B26
C26
A28
B28
A29
B29
A30
B30
A31
B31
A32
B32
2
1
3
4
GREEN/U
RED/Y
BLUE/V
FBLK
CN4103
8
9
11
12
13
18
20
22
24
26
28
30
32
34
36
38
42
45
46
48
SDA-PLL
SCL-PLL
SCL OUT
SCL OUT (PORT-1)
TS0
TS1
TS2
TS4
TS5
TS3
TS6
TS7
PT CLK
PT SYNC
SCL N3V
SDA N3V
FE RESET
FE LOCK
P3
PTEN
SDA
SCL
DATA 0
DATA 1
DATA 2
DATA 3
DATA 4
DATA 5
DATA 6
DATA 7
CLK
SYN
SCL
SDA
RES
FEL
PORT-1
DEN
AC IN
2
1
CN4601
IC4601
AC IN
1
4
TO
A BOARD (2/2)
CN601
2
3
CN4602
1
2
TO
A BOARD (1/2)
CN642
UNREG 5V
EPG STBY
T4602
IC4608
COMPARATOR
7
SWITCH
Q4601
RY4601
BRIDGE
RECTIFIER
D4601
8
1
2
3
9
4
1
8
7
15
9
14
11
I
IC4604
5V REGULATOR
O
+5V
I
O
IC4605
5V REGULATOR
5VA
5VD
4
IC4607
3.3V REGULATOR
2
3.3V
IC4602
C
IC4603
ERROR AMPLIFIER
I
O
1
9V
5V
5V
D4603
T4601
TO
A BOARD (1/2)
CN301
SWITCH
Q4106
3
1
SWITCHES
Q4114
Q4116
Z1
Y1
13
8
7
AGC
AM
QSS
SCL
SDA
AGC
FM/AM
QSS
VIDEO
TUNER
TU4102
TUNER
TU4101
16
15
14
1
5
4
IC4606
9V REGULATOR
1
CN002
J401(1/2)
63
IC001
MICRO, VIDEO
PROCESSOR, ROM, AUDIO,
VIDEO SWITCH
XTAL OUT
RED
AUDIO 3/V OUT
TO SPEAKERS
A 1/2 ( )
POWER SUPPLY,
DEFLECTION, VIDEO, AUDIO
5
2
CN1201
64
XTAL IN
+
-
IC1201 AUDIO AMP
MUTE
1
IN/INL
10
14
OUT/L
68
IC401 AV LINK
69
R0 56
B10
7
6
5
2
G0 57
B0 58
IK 55
GREEN
BLUE
IK
EWD 17
VD- 18
VD+ 19
ABL 54
TO
C BOARD
CN703
CN003
J401 (2/2)
SDA
6
SCL
5
7
WP
72
SCL
71
SDA
28
CVBS2/
CVBSY2
2
KEY
3
AGC
53 B2/UIN
1
MODE1
80 MODE2
52 G2/YIN
51 R2/VIN
38 -/C4
50 INSSW2
32 CVBS1
37 -/CVBS4Y4
A8
A11
A7
B8
A15
A16
B20
B15
A20
BLUE
MODE
MODE
GREEN
RED
C2 IN
BLK
V IN 1
Y/V IN 2
BUFFER
Q401, Q411
A19
MUTE SW
Q212
CN406
STBY 70
41
77
TO A 2/2
23
FREE 1 MAGENTA
VD+
V-PULSE
MAGENTA
CN510
TO
VM BOARD
CN1701
VM OUT
AVL OUT
AVL IN
34
5
INR
12
CVBS3
28
29
46
47
36
33
53
50
37
34
52
49
A1
B1
A2
B2
A3
B3
A6
B6
R OUT 1
R OUT 2
R IN 1
R IN 2
L OUT 1
L OUT 2
L IN 1
L IN 2
SC1 OUT R
SC2 OUT R
SC1 IN R
SC2 IN R
SC1 OUT L
SC2 OUT L
SC1 IN L
SC2 IN L
DACMR
DACML
SC3 IN L
SC3 IN R
73
EPG STBY
3
CN642
EPG STBY
TO
A1 BOARD
CN4602
9
6
4
1
KEY
CVBS/Y
R
L
TO
H7 BOARD
CN906
10
9
55
58
44
43
SCL
SDA
ANA-IN1+
MONO IN
AMPLIFIER
Q202, Q203
SC4-IN-R
SC4-IN-L
IC201
MSP3411G
SOUND PROCESSOR
5
15
11
10
7
8
2
1
YD/CVBS
CN301
CVBS/AD
SCL
SDA
QSS
AM
RIGHT D
RIGHT L
TO
A1 BOARD
CN4104
67
6
5
2
3
4
7
6
2
3
5
6
7
45
46
47
48
49
V OUT
U OUT
Y OUT
Y IN
V IN
U IN
TO
B1 BOARD
CN8402
AUDIO 1 U IN
Y IN
Y OUT
U OUT
CN405
LED
SIRCS
KEY
TO
H4 BOARD
CN7150
SERVICE
CN001
75
6
5
2
3
+
-
1
7
19
76
FBISO
SSCP
7
10
9
BUFFER AMP
Q1233
BUFFER AMP
Q1232
J404
R OUT
L OUT
3
6
L IN
R IN
1
4
CN1200
R AUDIO
L AUDIO
TO
H7 BOARD
CN908
OUT/R
X001
LOW B
LED
SIRCS
NVM WP
FREE 1 DEF SW
IC004
4
HP PLUGGED
HP PLUGGED
1