24A02U AA 6.
Block Diagrams, Testpoint Overview, and Waveforms
Block Diagram 1 Audio & Video (A02 NAFTA IF_video_source_ select)
A
Sound
Traps
+5Vb
1200
+5V
SDA
SCL
0230
7,3 9
451
11 13
154849
SCL0
SDA0
1113
VIFINP
TUNER_AGC
107
110
120
116
7131
SIF_MAIN
TUNER
IF-TER
7100-C
7
8
Rev 0.5 26-Dec-2003
QSS Mixer
AM Demod.
113
14
108
VIFINN
99
100
105
3132
AGC
LPF
2
3
SIF A/D
2ndSIFEXT
CVBS-IF
CVBS-1
CVBS-2
CVBS/Y-3
C3
CVBS/Y-4
C4
Y-COMB
C-COMB
R/Pr/V1
G/Y/Y-1
B/Pb/U1
R/Pr/V2
G/Y/Y-2
B/Pb/U2
+
YUV
RGB
Source
Switch
CLAMP LPF
Data
Link
2
Yyuv
U
V
CLAMP
LPFCLAMP
A
D
LPF
Data
Link
1
A
D
Data
Link
3
CVBS-outA
STROBE1N
STROBE1P
DATA1N
DATA1P
CVBS/Y prim
C prim
CVBS sec
Yyuv
2Fh
SIFA/D
LR prim
Dig
Yyuv
2Fh
STROBE3N
STROBE3P
DATA3N
DATA3P
STROBE2N
STROBE2P
DATA2N
DATA2P
U,V
LPF
A
D
A
D
Timing
Circuit
CLP prim
CLP sec
CLP Yyuv
CLP prim
CLP sec
CLP Yyuv
CVBS-SC1_AV1-IN
CVBS2_PIP_TUN2
Y-CVBS-SC2_AV2-IN
C-SC2_SVHS-IN
Y-CVBS-FRONT-IN
C-FRONT-IN
YOUT-COMB
COUT-COMB
R-SC1_V-IN
G-SC1-IN_Y-IN
B-SC1-IN_U-IN
R-P
R
-2FH
G-Y-2FH
B-P
B
-2FH
7063
7100-B
MPIF VIDEO SWITCH
MPIF IF
19
60
61
63
62
50
51
53
54
55
56
57
58
46
45
7060
123
126
9
8
5
4
1
15
16
25
26
27
30
31
32
+5V
49
64
CVBS_SC2_MON_OUT
STROBE1N
STROBE1P
DATA1N
DATA1P
STROBE3N
STROBE3P
DATA3N
DATA3P
STROBE2N
STROBE2P
DATA2N
DATA2P
HV_PRIM
HV_SEC
Mono Sec.
Dig.
+
LR
prim
A/D
Mono
sec
A/D
LR
Line
LR
Scart
AUDIO
AMPs
LPF
A
D
LPF
A
D
LPF
A
D
L prim
R prim
Mono sec
LR prim
Dig
Mono sec
Dig
AM
Int
AM EXT
L1
R1
L2
R2
L3
R3
L4
R4
DSNDL1
DSNDR1
DSNDL2
DSNDR2
SCART1L
SCART1R
LINER
LINEL
MPIF AUDIO SWITCH
69
70
67
68
PIP-AUDIO
L-SC1_AV1-IN
R-SC1_AV1-IN
L-SC2_AV2-IN
R-SC2_AV2-IN
AUD-L1
AUD-R1
L-FRONT-IN
R-FRONT-IN
DSNDL1
DSNDR1
DSNDL2
DSNDR2
17
86
85
84
83
82
81
80
79
74
73
72
75
+5V
91,77
98,88
R-SC1_AV-OUT
L-SC1_AV-OUT
L-CL_VL-OUT
R-CL_VL-OUT
L-SC2-OUT
R-SC2-OUT
MON. OUT
AV1AV2
L
L
L
RR
R
Y
U
V
3241
3242
C-SC2_SVHS-IN
SEL-SVHS-RR_STATUS2
Y-CVBS-SC2_AV2-IN
CVBS-SC1_AV1-IN
L-SC1_AV1-IN
R-SC2_AV2-IN
CVBS-SC2_MON-OUT
G-SC1-IN_Y-IN
B-SC1-IN_U-IN
R-SC1-IN_V-IN
SVHS 1
+5V
7
19
6
10
52
60
53
58
2
1
3
56
61
L-SC2_AV2-IN
CVBS
R-SC1_AV1-IN
9
AV3
L
R
3242
SVHS 2
3242
4
10
7
2
6
8
11
4
10
7
2
6
8
11
SIMM
CONN
HP
REAR IO
SIDE IO PANEL
(PV0 & PV2)
64
62
63
65
66
1936
43
44
Ident
27/54 MHz
54MHz
54MHz
I
2
C
IRQ
42
MPIF-IRQ
CVBS-SC3
SIF_PIP
1
5
7
3
1115 1116
2101
EW
V
I
EWVIN
EWIOUT
SCL
SDA
SCL1
SDA1
EW_MPIF
EW-DRIVE
F_REF
VIDEO SOURCE SELECT & DATA LINK
AUDIO SOURCE SELECT
7100-A
1
4
5
2
1117
IF & SAW FILTER
MPIF-SUPPLY
EW & CONTROL
XREF 40
36
37
4
2
1
5
6
3
4153
4062
AV5
L
R
YPbPr-IN
HDMI
TO/FROM HDMI PANEL
C
Y
C
Y
DW/PIP PANEL (Optional)
SIMM CONN
12
Supply
+
Ref.
7150-A
3151
3150
7150-B
3153
3152
+5V
+5V
2
3
20
21
VREF_AUD_POS
VREF_DEFL
4152 CVBS-DTV
B10
B10
B11
B8
B5
B11
B11
B2
HEADPH-R
HEADPH-L
A7
C-FRONT-IN
Y-CVBS-FRONT-IN
FRONT-DETECT
B11
CVBS-SC3
CVBS2_PIP_TUN2
SIF_MAIN
SIF_PIP
H-2FH
V-2FH
B5
AUD-R1
AUD-L1
PIP-AUDIO
SIMM CONN
B3
M
+33V
+8V
+5V
SCL
SDA
9
8
7
2
1
TO/FROM 1117 SSB
CVBS2_PIP_TUN2
SIF_MAIN
SIF_PIP
PIP-AUDIO 1
3
5
7
Tuner
SAW
Filter
De-modulator
TDA9887
B18
0230
0230
0230
7823
YOUT-COMB
COUT-COMB
B2
B17
AGC
A11 B18 O A8
B18
B3 B4
B2B1A4
M
C
1
7
5
6
SEL
AUD-L2
AUD-L1
AUD-R1
(NAFTA 87xx
series ONLY)
3D COMB
FILTER
(PIP/DW)
2062
7100-D
1937
1115
SEL_P-N
L-CL_VL-OUT
R-CL_VL-OUT
HV-PRIM
HV-SEC
VTUN
6200
SIMM
CONN
B18
SIMM
CONN
A8
1937
9
8
7
2
1
VTUN
+8V
+5V
SCL-S
SDA-S
VIF
SIF
7202
9202
23,24
1,2
314
11
10
8131217
7203
+3V3SW
+2V5D
SCL1
SDA1
AYI
AYO A CO
1883
59
60
47
48
84 83
88
SCL
SDA
XI
XO
+3V3SW
+2V5D
+8Vd
+8Vd
+8Vd
B17
7808 -
7812
7800 -
7803
7816 -
7818,
7807
CSI
7860 -
7862
76
RSTB
57
+3V3SW
2115
+8V
4101
4104
FBL
122 125 118
+5Va +5Vd
66
65SCART2R
SCART2L
AUDIO-OUT OR
MONITOR-OUT
2
ND
SCART
1
ST
& 3
RD
SCART
VCC-DIG
VCC-I2D
CVBS
CVBS
CVBS
RESET
7875
L-FRONT-IN
R-FRONT-IN
AUD_L2
AUD_R2
6
7
AUD_L2
AUD_R2
L5
R5
127
128
+5V
14,28,35
2
AUD-R2
1117
5
4
+8V
+5V
1951
1951
5
4
EF
EF
EUROPE ONLY
AM Int
22
7201
7101
CVBS-outB
22
EF
1
2
N.C.
RX
HDMI PANELLINK
RECEIVER
NVM
Audio
I2S
DAC
H
V
TO/FROM 1116 SSB
B2
2
4
5
1
3
R
B
G
1116
SCL
SDA
3
L
R
Pr
Y
Pb
AV4
AV4
Audio
AV5
Audio
4087
4091
4085
4089
SEL
SCL
SDA
7002
7071
7003
7003
4095
4094
4096
12
10
11
5
14
16
56
75
7415
16 2
4
3
6
8
7
4122
4121
Note: 27/32MS series does not
contain HDMI components, i.e.
only have AV5 (YPbPr) inputs
B-P
B
-2FH
G-Y-2FH
R-P
R
-2FH
HP
SVHS 2
C
Y
AV3
L
R
CVBS
1936
3835
SIDE IO PANEL
(FL13B)
O
3850
0240
E_13950_021.eps
110304
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