20.8. AUDIO DiGITAL AMP
SD
11
20
P301
CN505
SDIN 1
PWM 4
VALID 2
PWM 3
PWM 2
PWM 1
1 LF
3 LS
4 RS
5 C
2 RF
SDIN 2
IC105
SDA
SCL
SDIN 3
36
35
PWM 5
34
PWM 6
33
32
CHANNEL
1 - 6
CHANNEL
1 - 6
1 - 5
6
6
6
6
6
6
1 - 6
1 - 5
37
38
26
25
17
18
9
24
SDIN 1
SDIN 2
SDIN 3
RESET
MUTE
SDIN 4
23
C1AB00002461
DIGITAL AUDIO PWM PROCESSOR
SDA
SDL
IC106
RESET
1
2
4
IC108
1
2
VDD
OUT
V+3.3V
SERIAL
DATA
INTERFACE
SERIAL
CONTROL
INTERFACE
RESET
16
MUTE
SYSTEM
CONTROL
8
20
MCLK
SCLK
19
LRCLK
CLOCK RATE/ ERROR DETECTION
AND PLL
CHANNEL
SELECTOR
BLOCK
MUX
MUX
MUX
PWM
CHANNEL SIX PROCESSING
BASS MANAGEMENT
VOL
DOWN
MIX
PWM
CONTROL
(L'+R')/2
(L'+R')/2
L'
L'
R'
R'
MUX
MUX
MUX
MUX
MUX
MUX
MUX
INVERTER
IC151
6
1
4
3
OUT A
PWMB
PWMC
RSTAB (L)
SD (L)
RSTAB (L)
SD (L)
RSTAB (L)
SD (L)
PWMA
OUT B
IC102
AUDIO DIGITAL AMP
OUT D
OUT C
8
16
PWMD
18
6
39
36
28
7
5
31
+
-
+
-
SURROUND L
SURROUND R
3
JK101
4
JK101
7
JK101
8
JK101
+
-
+
-
+
-
SEBWOOFER
FRONT L
FRONT R
SPEAKERS
1
JK102
1
JK101
2
JK101
5
JK101
6
JK101
3
JK102
Q101, Q102
Q107
BUFFER
Q112
SOUND DETECT
FRONT LEFT +
FRONT LEFT -
FRONT RIGHT +
FRONT RIGHT -
INVERTER
IC152
6
1
4
3
OUT A
PWMB
PWMC
PWMA
OUT B
IC103
AUDIO DIGITAL AMP
OUT D
OUT C
8
16
PWMD
18
6
39
36
28
7
5
31
Q103, Q104
DCDET
CENTER LEFT +
CENTER LEFT -
CENTER RIGHT +
CENTER RIGHT -
OUT A
PWMB
PWMC
PWMA
OUT B
IC104
AUDIO DIGITAL AMP
OUT D
OUT C
8
16
PWMD
18
6
39
36
28
7
5
31
DCDET
Q105, Q106
DCDET
SUB
SUBWOOFER -
SD
SA-PTX7P AUDIO DIGITAL AMP BLOCK DIAGRAM
FROM/TO
SYSTEM
CONTROL
FROM
AUDIO
(DSP)
FROM
AUDIO
(DSP)
FROM
SYSTEM
CONTROL
C0EBE0000456
AND GATE
C0JBAA000501
C1AB00002460
C1AB00002460
C1AB00002460
C0JBAB000837
C0JBAB000837
MCLK
SCLK
LRCLK
15
16
P301
CN505
10
P301
21
CN505
: MAIN SIGNAL LINE
SA-PTX7P
126
Summary of Contents for SA-PTX7
Page 12: ...12 SA PTX7P ...
Page 29: ...RX RX RX RX CH2 AB CH2 AB CH1 CD B 1 1 1 Multi room Multi source 29 SA PTX7P ...
Page 66: ...11 2 Main Components and P C B Locations 66 SA PTX7P ...
Page 85: ...Step 3 Remove the middle chassis Step 4 Remove the traverse unit 85 SA PTX7P ...
Page 94: ...Note Insulate AC Inlet P C B from other parts with insulating material eg plastic 94 SA PTX7P ...
Page 97: ...97 SA PTX7P ...
Page 116: ...116 SA PTX7P ...
Page 118: ...SA PTX7P 118 ...
Page 130: ...SA PTX7P 130 ...
Page 132: ...132 SA PTX7P ...
Page 172: ...SA PTX7P 172 ...
Page 183: ...26 Exploded Views 183 SA PTX7P ...
Page 184: ...184 SA PTX7P ...
Page 185: ...26 1 Cabinet Parts Location SA PTX7P 185 ...
Page 186: ...SA PTX7P 186 ...
Page 187: ...SA PTX7P 187 ...
Page 188: ...SA PTX7P 188 ...
Page 189: ...26 2 Packaging SA PTX7P 189 ...