Panasonic SA-BT230P

98
14.3. Digital Audio
SA-BT230P/PC,SA-BT330P/PC DIGITAL AUDIO BLOCK DIAGRAM
: AUDIO OUTPUT SIGNAL LINE
FROM/TO
MAIN(SYSTEM CONTROL)
FROM/TO
MAIN(SYSTEM CONTROL)
FROM
MAIN(AUDIO)
FROM
POWER SUPPLY
(MAIN SECTION)
FROM
POWER SUPPLY
(MAIN SECTION)
MAIN P.C.B.
D-AMP P.C.B.
PWM SR
PWM SL
+
-
+
-
+
-
+
-
+
-
+
-
FAN
MUX & VOL PWM
PWM
CONTROL
SERIAL DATA
INTERFACE
SERIAL CONTROL
INTERFACE
SYSTEM CONTROL
PWM FL+
PWM FR+
PWM C+
PWM SW+
PWM SW-
PWM SW+
PWM C-
PWM C+
PWM 3
36
PWM 4
35
PWM 5
34
PWM 6
33
VALID1
VALID1
VALID2
FAN DC OUT
FAN LOCK
31
VALID2
32
OUT 1
3/SD
4 INPUT A
6 INPUT B
14 INPUT C
16 INPUT D
5 /RESET AB
15 /RESET CD
DIGITAL AMPLIFIER
SPEAKERS
CENTER
SUBWOOFER
C1AB00003260
IC5200
PWM FR+
PWM FL+
3 S/D
14 INPUT C
16 INPUT D
5 /RESET AB
15 /RESET CD
OUT A 33
BST A 35
OUT B 30
BST B 28
OUT D 22
BST D 20
OUT C 25
BST C 27
OUT A 33
BST A 35
OUT B 30
BST B 28
OUT D 22
BST D 20
OUT C 25
BST C 27
DIGITAL AMPLIFIER
SPEAKERS
SURROUND
(LEFT)
SURROUND
(RIGHT)
C1AB00003260
IC5100
PWM PROCESSOR
C1AB00002461
IC5301
VALID2
VALID1
DAP SDIN1
SDIN1
26
DAP SDIN2
SDIN2
25
DAP SDIN3
SDIN3
24
3
JK5001
4
JK5001
1
JK5001
1
CN5401
3
CN5401
2
JK5001
11
JK5001
12
JK5001
9
JK5001
10
JK5001
FRONT
(LEFT)
7
JK5001
8
JK5001
FRONT
(RIGHT)
5
JK5001
6
JK5001
Q5408, Q5409, Q5414
Q5412,Q5413
Q5400,Q5401
Q5402,Q5403
Q5404,Q5405
DC DETECTDC DETECT
QR5401
DC DETECT
ECO CIRCUIT
QR5400
DC DETECT
FAN CONTROL
CIRCUIT
136
CN5402CN2006
127
CN5402CN2006
118
CN5402CN2006
CLOCK RATE /
ERROR DETECTION
&
PLL
DAP MCLK
MCLK
8
DAP LRCLK
LRCLK
19
DAP SCLK
SCLK
20
811
CN5402CN2006
910
CN5402CN2006
613
CN5402CN2006
DAP SDA 2
SDA
17
316
CN5402CN2006
DAP SCL 2
SCL
18
415
CN5402CN2006
DAP REST
/RESET
9
118
CN5402CN2006
DAP MUTE
/MUTE
16
217
CN5402CN2006
DCDET
154
CN5402CN2006
4
AND GATE
C0JBAA000501
IC5405
RESET
C0EBE0000456
IC5401
2
1
4
AND GATE
C0JBAA000501
IC5402
1
2
DCDET
ECO
163
CN5402CN2006
FAN SIGNAL
172
CN5402CN2006
109
CN5402CN2006
PWM SW-
PWM C-
3
4
1
6
INVERTER
C0JBAB000837
IC5404
4 INPUT A
6 INPUT B
38
PWM 2
37
PWM SL
PWM SR
PWM 1