
EN 16
LC4.1U AA
6.
Block Diagrams, Testpoint Overviews, and Waveforms
Block Diagram Audio & Video
1302
+5VSW
6,7
9
4
5
1
11
A 3
TUNER
+
VIF
TV
FM
+VTUN
Sound
Tr aps
VIF2
VIF1
RF_AGC
S IF1
S IF2
25
24
31
30
29
7011 - IF
A2
QSS Mixer/
AM Demod.
10
7316
61
62,63
49,50
34,35
56,57
SIDE I/O
(AV Part)
D
53,54
AV3_CVBS_Y_IN
AV3_LR_IN
PC_AUDIO_LR
PC_AUDIO_LR
AV3_C_IN
SC1_R_V_IN
SSIF(Tuner FM) 33
SDA
SCL
SEL_IF
SSIF
QSS/FM
AGC
Detect
CVBS1
Input
sw.
INA..D
cvbs/y
c
Output
sw.
CS1A..D
cvbs
+
55
58
51
59
52
64
A1
1328
1330
7
7
8
8
3311
6323
3323
+5VSW
2
3
2
3
7320
4334
2321
4327
4331
4333
Dig. 2H/4H
Combfilter
Y Delay Adj.
PA L/NTSC/
SECAM
Decoder &
Baseband
Delay
Y
int
Chroma
U
int
V
int
RGB/YP
R
P
B
Insert
YUV Interface
78
5013
79
80
77
74
75
76
70
2027
2056
2057
71
72
Peaking
SCAVEM
U/V Delay
YUV IN/OUT
Skin Tone
U/V Tint
Saturation
RGB Matrix
Blue & Black
Stretch
Gamma Corr.
YUV
SAT
SCAVEM
on Text
RGB Matrix
Blue & Black
Stretch
Gamma Corr.
G_
O
S
D
R_
O
S
D
B_O
S
D
F
a
st Bla
n
king
CON
BRI
85
86
87
H/V
Sync Sep
H-OSC
H-Shift
H-Drive
Vertical & East-
West Geometry
H/V
66
67
HOUT
FB/SC
VDRB
VDRA
23
22
YO
U
T
UO
UT
VO
U
T
VI
N
UIN
YI
N
R/
P
r-3
INSS
W
3
G/
Y3
B/Pb
-3
SC1_G_Y_ IN
SC1_B_U_IN
EF
7013
EF
7014
EF
7012
RO
GO
BO
R_SDTV
G_SDTV
B_SDTV
A 3
A10
AV3_CVBS_Y_IN
AV3_C_IN
cvbs/y
CV
BS
/Y
-X
C-X
CVBS/Y- X
C-X
AD Conv
Std Stereo
Decoder
Audio Select
ADC/DAC
Audio
Control
Vol/Treb/
Bass
Features
DACs
I2S Proc
QSS/FM
R_SC1_AV1_IN
AM
L/R_SC1_AV1_IN
SC1_LR_RF_OUT
73
OUT_MUTE
AUDOUTLSR
AUDOUT SR
AUDOUTLSL
70
AV3_LR_IN
60
36,37
43
AUDOUT SL
AUDOUT SR
AUDOUT SL
AUDOUT SR
AUDOUT SL
L_SC1_AV1_IN
SC1_R_V_IN
SC1_G_Y_ IN
SC1_B_U_IN
R_SC1_AV1_IN
L_SC1_AV1_IN
VCC
TR
DISC
CTRL
RES
OUT
THR
2028
7015
30
05
2015
7005#
VCC
TR
DISC
CTRL
RES
OUT
THR
2034
3025
2029
7006#
VCC
TR
DISC
CTRL
RES
OUT
THR
2045
3036
2042
7007#
2014
H_CS_SDTV
7016
2040
V_SDTV
+5VSW
+5VSW
# = NE555 TIMER
8
2
4
3
5
7
6
8
2
4
3
7
6
8
2
4
3
6
7
5
5
SANDCASTLE
30
10
A3
A8
A8
A8
HISTOGRAM
3031
A2
A1
A1
A2
A2
HERCULES (AUDIO)
7011 - SOUND
HERCULES (IF+VIDEO)
A4
AUDIO AMPLIFIER (2X2W)
(14, 15, and 17’’)
COMP
AIR
1331
1
2
3
REAR IO CINCH
F306
F305
E_14520_058.eps
270904
2
5
SVHS
SVHS
AUDIO IN
CVBS
L
2
6
R
7
9
10
4
2
6
7
9
10
4
1108
1010
1
3
4
A6
A2
A2
7101
D
SIDE AV
(LS CONN. PART)
L
R
Y/CVBS
C
F312
I044
F007
F006
I041
I039
F313
F314
F315
CVBS_SC1_AV1_IN
CVBS_SC1_AV1_IN
SECAM
only
Y_NOTCH
TDA15001H
TDA15011H
TDA15021H
NAFTA
AP-NTSC / LATAM
EU / AP-PAL
HERCULES 7011
TO
SEE
BLOCKDIAGRAM
SCALER
VSYNC
2
3
1
1701
1706
2
3
1
2736
I710
2737
2718
2712
I711
12,13
8,9
I706
I707
18
17
3
MODE
7712
TDA1517ATW
7709
TDA7297D
7706
74LVCO8AD
15,16
AUD_SUP
MUTE
MUTE
STANDBY
7702
7703
A2
STANDBY
5
4
3
2
4
1
MUTE
MUTE
OUT_MUTE
2
3
1
1110
1704
1107
2
3
1
5
4
3
1
2
12
11
7710
1106
HEADPHONE
&
&
I
AUDIO AMPLIFIER (2x5W) 20 & 23’’
2
3
1
19
L+
L-
R+
R-
14
7
12
13
16
2
5
5
4
1706
2
3
1
5
4
1703
7703-1
7703-2
OR
OR
1105
R
L
4
Ω
/2W
OR
8
Ω
/5V
13
SOUND_ENABLE
POWER_DOWN
EXT_MUTE
STANDBY
AUDOUT SL
AUDOUT SR
MUTE
AUD_SUP
FROM 1,2-1200
INVERTER PANEL
Pr
Y
Pb
L
R
CVBS