Digital Audio - Panasonic SCXH70 Service Manual

14.6. Digital Audio

: AUDIO OUTPUT SIGNAL LINE
DVD MODULE P.C.B
X400
FP8101 CN201
MCLK
36 15
FP8101 CN201 LRCLK
28 23
FP8101 CN201 BICK
26 25
FROM/TO
DVD(AUDIO/VIDEO) FP8101 CN201 SDATA0
30 21
FP8101 CN201
SDATA1
32 19
FP8101 CN201
SDATA2
34 17
FP8101 CN201 DMIX
25 26
DAP SDA
DAP SDA
DAP SCK
DAP SCK
RESET DSP
RESET DSP
DAP PDN
DAP PDN
DAP MUTE
DAP MUTE
FROM/TO
SYSTEM CONTROL
SD
SD
OTW
VALID
VALID
ECO DAMP
ECO DAMP
DC DET2
DC DET2
IC401
C1AB00003216
DIGITAL AUDIO PWM PROCESSOR
XTL OUT
19
XTL IN
20
MCLK
63
LRCLK
26
SCLK
27
CLOCK, PLL & DIGITAL AUDIO
PWM SECTION
SERIAL DATAI/F PROCESSOR
SDIN1
31
SDIN2
30
SDIN3
28
SDIN4
29
SDA
24
DAP CONTROL PWM CONTROL
IIC SERIAL
SCL CONTROL I/F
25
RESET
11
SYSTEM CONTROL DEVICE CONTROL
PDN
13
MUTE
14
IC404
MAIN/D-AMP P.C.B
C1AB00003217
DIGITAL AMPLIFIER
2 OTW(L)
5 SD(L)
PWM SL+
6 PWM A
PWM SL-
8 PWM B
PWM SR+
16 PWM C
PWM SR-
18 PWM D
7 RST AB(L)
17 RST CD(L)
VALID VALID
39
PWM M 1 PWM SUBW-
40
PWM P 1 PWM SUBW+
41 IC403
PWM M 2 PWM CENT- C1AB00003217
42
DIGITAL AMPLIFIER
PWM P 2 PWM CENT+
43
PWM M 3 PWM FR-
44
2 OTW(L)
PWM P 3 PWM FR+
45
5 SD(L)
PWM M 4 PWM FL-
46
PWM CENT+
6 PWM A
PWM P 4 PWM FL+
47
PWM CENT-
PWM M 5 PWM SR- 8 PWM B
49
PWM SUBW+
PWM P 5 PWM SR+
50 16 PWM C
PWM M 6 PWM SL- PWM SUBW-
51
18 PWM D
PWM P 6 PWM SL+
52
7 RST AB(L)
17 RST CD(L)
IC405
C1AB00003217
DIGITAL AMPLIFIER
2 OTW(L)
5 SD(L)
PWM FL+
6 PWM A
PWM FL-
8 PWM B
PWM FR+
16 PWM C
PWM FR-
18 PWM D
7 RST AB(L)
17 RST CD(L)
SD
VALID
ECO SUPLLY
CIRCUIT
Q114 Q116
DC DETECT SWITCH
87
BST A 43
SP SL-
OUT A 39
SP SL+
OUT B 36
BST B 34
BST C 33
SP SR-
OUT C 31
SP SR+
OUT D 28
BST D 24
BST A 43
SP CENT-
OUT A 39
SP CENT+
OUT B 36
BST B 34
BST C 33
SP SUB-
OUT C 31
SP SUB+
OUT D 28
BST D 24
SWITCH SWITCH
Q500 Q501
BST A 43
SP FL-
OUT A 39
SP FL+
OUT B 36
BST B 34
BST C 33
SP FR-
OUT C 31
SP FR+
OUT D 28
BST D 24
SP PROTCT
SA-PT75PH DIGITAL AUDIO BLOCK DIAGRAM
SPEAKERS
JK401
-
12 SURROUND
JK401
+
(LEFT)
11
JK401
-
SURROUND
10
JK401
(RIGHT)
+
9
SPEAKERS
JK401
-
4 CENTER
JK401
+
3
JK401
-
2
SUBWOOFER
JK401
+
1
SPEAKERS
JK401
- FRONT
8
JK401
(LEFT)
+
7
JK401
-
FRONT
6
JK401
+ (RIGHT)
5