- 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)
FE
LOCK
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
52
53
5
6
7
8
11
12
13
14
15
16
17
18
SCL-N3V3
PT CLK
PT EN
PT SYNC
TS (0)
TS (1)
TP ERROR
TS (2)
TS (3)
AC IN
2
1
CN4601
IC4601
AC IN
TO
A BOARD (2/2)
CN607
2
3
CN4602
1
2
TO
A BOARD (1/2)
CN642
UNREG 5V
EPG STBY
IC4608
COMPARATOR
7
SWITCH
Q4601
RY4601
BRIDGE
RECTIFIER
D4601
8
1
2
3
9
4
1
8
7
15
9
14
11
I
IC4604
REGULATOR
O
+5V
I
O
IC4611
5V REGULATOR
5VA
5VD
4
IC4607
3.3V REGULATOR
2
3.3V
IC4602
PHOTOCOUPLER
C
IC4603
ERROR AMPLIFIER
I
O
1
9V
5V
5V
D4603
T4601
TO
A BOARD (1/2)
CN301
SWITCH
Q4106
Q4103
TUNER LOCK
AND LED
3
1
SWITCHES
Q4114
Q4116
Z1
Y1
13
8
7
AGC
AM
QSS
SCL
SDA
AGC
FM/AM
QSS
VIDEO
TUNER
TU4102
TUNER
TU4800
16
15
14
1
5
4
IC4606
REGULATOR
IC4300
SDA-N3V3
TS (4)
TS (5)
TS (6)
TS (7)
57
58
59
53
54
IF AGC
SDA
SCL
DIGITAL IF
DIGITAL IF
1
10
9
5
2
SWITCH
Q4608
AMP
Q4605
Q4606
Q4607
4
SWITCH
Q4604
N RESET
IC4616
DCVBS
2VPP-AORD-CVBS
AORD-CVBS
CN4603
TO A BOARD (1/2)
CN302
1
3
AV2 SCART
AV2 UOC
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
GREE
N
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
8
11
7
29
15
16
41
36
20
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
44
77
TO A 2/2
23
FREE 1 MAGENTA
VD+
V-PULSE
MAGENTA
CN510
TO VM BOARD
CN1701
AUDIO 2 V IN
AVL OUT
AVL IN
34
5
INR
12
CVBS3
28
29
46
47
36
33
53
50
37
34
52
49
1
22
2
23
3
24
6
27
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
CN4603
9
6
4
1
KEY
CVBS/Y
R
L
TO H5 BOARD
CN4001
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
F5 BOARD
CN1100
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 H5 BOARD
CN4002
OUT/R
X001
LOW B
LED
SIRCS
NVM WP
FREE 1 DEF SW
IC004
4
HP PLUGGED
HP PLUGGED
1
40
V2 OUT
30
CN302
3
1
CVBS0
BUFFER
Q409
TO REAR
SPEAKERS
