Block Diagrams, Test Point Overview, and Waveforms
31
6.
Block Diagram Audio
AUDIO
AUDIO - CLA
SS
D
B05B
AUDIO PROCE
SS
OR - MICRONA
S
B05A
YPBPR &
S
VH
S
B06A
TUNER IF & DEMODULATOR
B02
B06A
YPBPR &
S
VH
S
VGA & PC AUDIO & COMPAIR & UART
B06C
I0 - CINCH 1& 2
B06B
HDMI
S
WITCH
B07A
HDMI MAIN
B07B
7411
M
S
P4450P-VK-E
8
000 Y
S
IF
6
3
4
8
49
19
1
1
8
2
27
26
I_17760_06
3
.ep
s
040
3
0
8
S
OUND
PROCE
SS
OR
ANA-IN1+
DACM-L
DACM-R
TXx_A
1615
CVI
AUDIO
L/R IN
50
S
C
3
-IN-L
51
S
C
3
-IN-R
AUDIO_L
S
_L
AUDIO_L
S
_R
7A01
TDA
8
9
3
2BTW/N2
CLA
SS
D
POWER
AMPLIFIER
2
14
27
22
ENGAGE
5
1
2
RIGHT
S
PEAKER
S
CK
W
S
S
D0
1A
3
5
3
4
LEFT
S
PEAKER
DC-DETECTION
3
A0
3
3
A11
7A51
HP_AUDIO_OUT_L
HP_AUDIO_OUT_R
HP_LOUT
HP_ROUT
ANTI_PLOP
19
1
1
8
2
HDMI_MUX_TX
24
2
3
DACA-L
DACA-R
COMP_AUDIO_IN_L
COMP_AUDIO_IN_R
S
C4-IN-L
S
C4-IN-R
160
3
2
3
4
HEADPHONE
MUTE
MUTEn
B0
3
B0
3
DC_PROT
B0
3
S
IF1
S
IF2
VIF1
VIF2
CVB
S
DEMODULATOR
711
3
TDA9
88
6T/V4
S
OUND TRAP
S
4.5 to 6.5 Mhz
VIF-PLL
S
INGLE REFERENCE Q
SS
MIXER
INTERCARRIER MIXER AND
AM-DEMODULATOR
TUNER AGC VIF AGC
TAGC
S
IF AGC
I2C-BU
S
TRAN
S
CEIVER
MAD
S
CL
S
DA
S
UPPLY
12
S
IOMAD
+5V
S
1411
1
8
M4
3
2
67
6
8
XTALIN
XTALOUT
3
A26
5A0
3
5A04
S
C1_AUDIO _MUTE_R
S
C1_AUDIO _MUTE_L
B06B
15
1104
4M0
S
UPPLY
S
UP_D
+
8
V
S
UP_A
12
1
3
61
62
3
9
7A05÷7A07
3
607
3
611
57
5
8
S
C5-IN-L
S
C5-IN-R
VGA_AUDIO_IN_L
VGA_AUDIO_IN_R
CVI-1
AUDIO
L/R IN
3
E21
3
E2
3
20
HDMI_I2
S
_
S
CK
17
8
6
HDNI_I2
S
_W
S
1
8
8
5
HDMI_I2
S
_
S
D
20
8
1
CL
3
W
S3
DA-
3
2
6
1
7
1
5
4
1102
1105 only /9
3
2
3
24
1
2
IF-ATV
TUNER
11
IF1
14
1
VIF1
VIF2
RF_AGC
+VTUN
9
3
111
2117
DC_PWR
1
5
4
110
3
S
IF1
S
IF2
HDMI C
HDMI B
(Option
a
l)
HDMI
S
IDE
HDMI A
7M07
S
II91
8
5ACTU
HDMI
S
WITCH
7N01
S
II9125CTU
HDMI
MAIN
S
IDE_AUDIO_IN_L
S
IDE_AUDIO_IN_R
1602
AUDIO
L/R IN
3
62
3
3
621
HP_DETECT
B0
3
1504
S
C1_AUDIO _OUT_R
S
C1_AUDIO _OUT_L
52
5
3
S
C2-IN-L
S
C2-IN-R
3
7
S
C1-OUT-L
3
6
S
C1-OUT-R
S
C1_AUDIO _MUTE_L
S
C1_AUDIO _MUTE_R
B05B
B05B
AV OUT
AUDIO
L/R OUT
1502
AV IN
AUDIO
L/R IN
S
C2_AUDIO_IN_R
S
C2_AUDIO_IN_L
19
1
1
8
2
19
1
1
8
2
RXx_C
RXx_B
RXx_
S
IDE
+
-
RX0
+
-
R1X
+
-
R2X
+
-
TX
1N0
3
1M0
3
1M02
1M01
3
507
3
50
3
3
512
3
506
(CONTROL)
(CONTROL)
(CONTROL)
(CONTROL)
1101
UV1
3
16E/ABH
*
UV1
3
56/ABHN
AUD_R
S
T
19
DA-
3
B0
3
(CONTROL)
1E07
1E02
PC / DVI AUDIO
ANTI_PLOP
5
8
3
5
6
6
2
2
2
2