Service manual

- 25 -
5-1. BLOCK DIAGRAMS (2)
IC3400
BACKEND VIDEO
KEY 2
IR-DATA
LUMISPONDER
EPG MODE
OCP-OVP
OCP-FLAG
MAIN-SW
DG SW
KEY 1
SIRCS
HV PROT
LED
LINE MUTE
AUDIO RESET
AGC DEFEAT
AV LINK
CSEL
N/U
N-RESET
H-DRIVE
DQP DRV
N/U
DQP C COMP
X-RAY
AFC PULSE
H LIN
H LIN DC
MID PIN
V DRV+
26
CN3100
TO A BOARD
CN5207
H TRAP
PWM3
BUFFER
Q5550
Y9
1
LIQUID
CRYSTAL
DISPLAY
CN3401
CN3400
AVSM OUT
AUDIO MUTE
V SAW
E/W
H TRAP
V DRV-
ROTATION
DF DRIVE
MID PIN DC
H2SB4
B15
C14
B13
C12
B12
C11
B11
C10
B10
B9
C8
C7
B7
C6
B6
C5
B5
B30
B29
B28
A20
A19
A18
A17
A16
A15
B14
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
62
BACKEND RESET
X3400
28
12
11
60
30
21
18
37
38
20
22
25
31
32
39
BUFFER
Q5509
BUFFER AMP
Q5505, Q5507
BUFFER
Q5500
BUFFER
Q5519
BUFFER
Q5503
23
17
16
DQP V COMP
H DRIVE
53
52
51
1810
5
4
2
1
80
79
78
77
76
75
68
67
66
65
42
44
43
35
CLK OUT
55
53
50
47
19
20
24
25
26
29
30
31
32
33
IC3300
FRCA
11
3
6
10
9
8
7
5
4
2
1
78
X3300
16
15
PWMEW4
H OUT
EW
VPROT
SAFETY
DFVBL
PWME1
PWM1
VERT-
VERT+
PWMEW3
PWM2
HFL13
HC1
PWM4
XTAL 2
XTAL 1
R OUT
G OUT
B OUT
SENSE OUT
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
H100
V100
SCL
SDA
V2S
AU OUT
AY OUT
AV OUT
Y OUT 0
Y OUT 1
Y OUT 2
Y OUT 3
Y OUT 4
Y OUT 5
Y OUT 6
Y OUT 7
CLK OUT
H OUT
V OUT
YUV0
YUV1
YUV2
YUV3
YUV4
YUV5
YUV6
YUV7
YUV CLK
H SYNC
V SYNC
AV1
11
4
3
7
6
C
SCL
SDA
V2S
H2S
BUFFER AMP
Q3401, Q3404
BUFFER AMP
Q3400, Q3403
BUFFER AMP
Q3402, Q3405
BUFFER AMP
Q3406, Q3410,
Q3409
VM
1K
B
G
R
3
5
9
2
CN3402
TO C BOARD
CN7331
TO VM BOARD
CN9402
VM-FRCA
X IN
XOUT
50
27
64
63
RESQ
H SYNC
FBL IN 2
R IN 1
B IN 1
G IN 1
FB-M2
R-M2
G-M2
B-M2
23
RESET 100
19
20
21
22
23
24
25
26
29
30
31
32
33
34
35
37
48
50
51
53
2
4
5
7
8
10
11
13
15
16
17
18
47
45
44
42
38
131
130
129
126
125
124
123
120
119
118
117
114
113
112
111
110
100
99
98
97
96
95
94
89
88
87
86
85
135
134
133
132
103
104
105
106
107
62
59
15
14
BUFFER AMP
Q3812, Q3814
1930
IC3802
14
SWITCH
Q3808
9
+5V
SWITCH
Q3807
2
BUFFER
Q3801
23
BUFFER
Q3800
4
BUFFER
Q3803
23
BUFFER
Q3802
FILTER
FL3801
FILTER
FL3800
12
BUFFER AMP
& SWITCH
Q3805, Q3806,
Q3816
51
53
24
8
23
17
9
10
15
16
21
22
30
31
32
37
38
39
40
41
46
47
48
55
56
57
58
69
70
6
13
37
38
1
34
39
38
28
BUFFER
Q3811
SCL 3.3V
CVBS MAIN
SCL 33
SDA 33
AC MONITOR
SDA 3.3V
A30
A31
A32
B32
A23
A24
A21
A29
A28
A27
A22
A26
C31
C30
C15
B31
C28
C29
FS1
FS2
RED 1
GREEN 1
BLUE 1
RED 2
GREEN 2
BLUE 2
CVBS MAIN
C MAIN
CVBS SLAVE
C SLAVE
IC3100
VSP94
IC3801 IC3800
FLB1
FLB2
R1
G1
B1
R2
G2
B2
Y-M
C-M
Y-S
C-S
X3100
YUV0
YUV1
YUV2
YUV3
YUV4
YUV5
YUV7
YUV CLK
YUV6
H SYNC
V SYNC
AV1
RESET 100
C
Y
CVBS MAIN
Y
C
1 HOP MUTE
SDA DP1
AC MONITOR
SDA DP1
X3800
X3801
V SYNC
H SYNC
CVBS/YIN
CERA
SDA
SCL
SECAM REF
VTIM
HTIM
X433/358
SCL
CVBS 1
CVBS 2
RESET
656V10/
BLANK
V OUT
H OUT
656CLK
656107
656106
656105
656104
656103
656102
656101
656100
SDA
X-IN
X-OUT
FBL_1
FBL_2
R IN 1
G IN 1
B IN 1
R IN 2
G IN 2
B IN 2
CVBS4
CVBS5
CVBS6
CVBS7 CKECKE
ADDR9
ADDR8
ADDR7
ADDR6
ADDR5
ADDR4
ADDR3
ADDR2
ADDR0
ADDR1
ADDR10
BA1
BA0
XCS
XRAS
XCAS
XWE
DQM
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
DQ15
DQ14
DQ13
DQ12
DQ11
DQ10
DQ9
DQ8
SDCK
A11
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
A10
BA1
BA0
/CS
/RAS
/CAS
/WE
DQM
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ15
DQ14
DQ0
DQ13
DQ12
DQ11
DQ9
DQ8
DQ10
CLK
ADDR11
80
81
82
90
91
93
100
101
126
124
127
5
6
8
11
12
27
33
34
35
36
37
114
113
112
105
103
102
10
77
78
26
24
23
25
28
IC0001
P2.15
P2.14
P2.11
P2.9
P2.8
P5.3
P5.0
P5.2
P6.6
P6.5
P5.14
P3.13
P3.12
P3.8
P3.7
P3.6
P3.4
P3.3
P2.13
V SYNC
H SYNC
BLANK/RS OUT
R
G
B
A14/RAS
OCP-OVP
BUFFER
Q0001
BUFFER
Q0003
BUFFER
Q0002
40
39
38
30
29
22
18
17
43
48
45
49
46
47
50
67
63
72
62
56
51
66
65
59
71
64
58
57
70
55
D(0)
44
45
44
47
50
51
53
48
5
4
7
10
11
42
8
2
19
39
38
37
13
22
34
35
21
18
17
20
26
25
29
31
32
33
30
24
23
16
15
14
12
16
22
24
26
20
13
11
15
21
23
10
19
9
25
8
6
35
36
34
32
31
30
33
2
3
1
43
42
37
44
4
5
41
40
38
29
19
A(16)
A(17)
A(18)
A(19)
LOOM
/WE
IC0005
OTP EPROM
88
89
92
121
7
6
5
75
74
7
AC ON/OFF
BUFFER
Q0075
4 5
XTAL 1
109
108
VTIM
HTIM
REFCLK
RB
RT
ACO
RYO
VIN
CV/Y/IN
OCP-FLAG
EPG-MODE
SIRCS
LUMISPONDER
IR DATA
KEY 2
KEY 1
N-RESET
AGC DEFEAT
12C-DISABLE
DGC-SW
MAIN-SW
LINE MUTE
RESET-AUDIO
AUDIO MUTE
HV PROT
LED
AV-LINK
H2S
V2S
FB-M2
R-M2
G-M2
B-M2
A
C
A
C
B
A(15)
A(14)
A(13)
A(12)
A(11)
A(10)
A(9)
A(8)
A(7)
A(6)
A(5)
A(4)
A(3)
A(2)
A(0)
A(1)
A15/CAS
P4.0/A16
P4.1/A17
P4.2/A18
P4.3/A19
XTAL 2
X0001
P2.10
IC0007
+5V
P3.0
P3.1
SCL33
SDA33
AC MONITOR
IC0002
SCL33
SDA33
NVM-WP
P3.15
CVBS-MAIN
CVBS 1A
B
P3.11
P3.10
RX
TX
RX
TX
CN0004
3
4
CSSDRAM
D0
D2
D1
D3
D5
D4
D6
D8
D7
D9
D11
D10
D12
D15
D14
UDQM
CLKEN
MEMCLK
/WR
CSROM
LDQM
RD
54
D13
/WD
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
D(8)
D(9)
D(10)
D(11)
D(12)
D(13)
D(14)
D(15)
CSSD
RAM
CSSD
RAM
D(0)
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D(8)
D(9)
D(10)
D(11)
D(12)
D(13)
D(14)
D(15)
IC0003
CS
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
DQ7
DQM
CLK
CKE
DQ0
/CAS
/RAS
BA0/A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A0
A1
BA1/A13
D(7)
D(7)
A(16)
A(17)
A(18)
A(19)
A(15)
A(14)
A(13)
A(12)
A(11)
A(10)
A(9)
A(8)
A(7)
A(6)
A(5)
A(4)
A(3)
A(2)
A(0)
A(1)
A15
A14
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A0
A1
A13
A19
A18
A16
A17
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q8
Q9
Q10
Q11
Q12
Q13
Q14
Q15 A-1
/E1
/G
Q7
B 2/2 ( )
BACKEND,SCANRATE,
LVDS,A_INTERFACE
B 1/2 ( )
BACKEND,SCANRATE,
LVDS,A_INTERFACE
83
P3.9
BACKEND RESET