6.
Block Diagrams, Test Point Overviews, and Waveforms
Block Diagram Audio & Video
1302
+5VSW
6,7
9
4
5
1
11
A 3
TUNER
+
IF
TV
FM
+VTUN
Sound
Tr aps
VIF2
VIF1
RF_AGC
S IF1
S IF2
104
105
98
99
100
7011
TDA120001H1
B2
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
1
2
20
21
SCART 1
R-Out
R-In
L-Out
L-In
B-In
Status
G-In
R-In
FBL-In
TER-Out
CVBS-In
1
1
2
2
5
5
6
6
7
7
9
9
10
10
EF
SC1 _CVBS_RF_OU
T
7101
R
L
SC1_R_V_IN
SC1_FBL_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
+
74
71
70
B1
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
51
5013
50
49
52
55
54
53
59
2027
2056
2057
58
57
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
SD
F
a
st Bla
n
king
CON
BRI
44
43
42
H/V
Sync Sep
H-OSC
H-Shift
H-Drive
Vertical & East-
West Geometry
H/V
66
62
HOUT
FB/SC
VDRB
VDRA
106
107
YO
U
T
UO
UT
VO
U
T
VI
N
UIN
YI
N
R/
P
r-3
INSS
W3
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
B10
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
LR_SC1_AV1_IN
SC1_LR_RF-OUT
AM
L/R_SC1_AV1_IN
SC1_LR_RF_OUT
73
OUT_MUTE
AUDOUTLSR
AUDOUT SR
AUDOUTLSL
70
AV3_LR_IN
60
36,37
SC1_CVBS_RF_OUT
86
AUDOUT SL
AUDOUT SR
AUDOUT SL
AUDOUT SR
AUDOUT SL
B8
B2
B1
B1
B2
B2
HERCULES (AUDIO)
7011 - SOUND
HERCULES (IF+VIDEO)
B4
AUDIO AMPLIFIER (2X2W)
(14, 15, and 17’’)
COMP
AIR
1331
1
2
3
REAR IO SCART
F306
F305
F_15310_035.eps
210306
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
B2
B6
B2
B2
7101
D
SIDE AV
(LS CONN. PART)
L
R
Y/CVBS
C
F312
I044
I041
I039
F313
F314
F315
CVBS_SC1_AV1_IN
CVBS_SC1_AV1_IN
SECAM
only
Y_NOTCH
TO
SEE
BLOCKDIAGRAM
SCALER
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
B2
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
9
8
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
H_CS_SDTV
V_SDTV
B8
B8