Panasonic SA-XH70PH, Service Manual

Page: 77 / 127

77
15.4. Audio and Video
SA-XH70PH AUDIO & VIDEO BLOCK DIAGRAM
TUN SDIO
FM ANT
JK600
FM RADIO
RECEIVER
VUEALLPT040
IC600
LOUT 14
ROUT 13
LCH 3
SDTO 9
PDN 13
LRCK 10
MCLK 11
SCLK 12
RCH 13
2 FMI
17 DCLK
9 RCLK
DC DET2
: AUX/TUNER AUDIO INPUT SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE : FM SIGNAL LINE
I2S IN
DAP SDA
SDATA1
SDATA2
SRCK
LRCK
MCLK
SADAT3
SDATA0
AUX
JK300
2
1
3
X400
PWM SL+
TUN SCLK
DAP RST
DAP CLK
DAP DA
DAP CLK
DC DET2
DC DET2
SDATA1
SDATA2
SDATA3
SDATA0
DAP MUTE
SPEAKERS
Q114,Q116,Q500,Q501
DC DETECT
CIRCUIT
AUX L L
R AUX R
AUX L
AUX R
SCLK 7
SDIO 8
I2S IN
RSTB
PWM P 8 52
PWM SL-
PWM M 8 51
PWM SR+
PWM P 7 50
PWM SR-
PWM M 7 49
PWM FL+
PWM P 4 47
PWM FL-
PWM M 4 46
PWM FR+
PWM P 3 45
PWM FR-
PWM M 3 44
PWM CENT+
PWM P 2 43
PWM CENT-
PWM M 2 42
PWM SUBW+
PWM P 1 41
PWM SUBW-
PWM M 1 40
VALID
VALID 39
DIGITAL AUDIO
PWM PROCESSOR
C1AB00003610
IC401
SDIN1 31
XTL IN
20
XTL OUT 19
SDIN2 30
SDIN4
28
SDIN3
29
MCLK 63
LRCLK 26
SCLK
27
SDA 24
SCL
25
/RESET 11
/MUTE 14
DAP MUTE
DAP PDN /PDN 13
DAP PDN
DAP RST
DC DET2
SD
VALID
SD
VALID
+
-
5 SD
7 RST AB
17 RST CD
5 SD
7 RST AB
17 RST CD
5 SD
7 RST AB
17 RST CD
16 PWM C
18 PWM D
DIGITAL AMPLIFIER
C1AB00003217
IC404
6 PWM A
8 PWM B SURROUND
(LEFT)
OUT B
BST B
OUT A
BST A
11
JK401
12
JK401
36
34
39
43
+
-
SURROUND
(RIGHT)
OUT C
BST C
OUT D
BST D
9
JK401
10
JK401
31
33
28
24
16 PWM C
18 PWM D
DIGITAL AMPLIFIER
C1AB00003217
IC405
6 PWM A
8 PWM B OUT B
BST B
OUT A
BST A
36
34
39
43
OUT C
BST C
OUT D
BST D
31
33
28
24
16 PWM C
18 PWM D
DIGITAL AMPLIFIER
C1AB00003217
IC403
6 PWM A
8 PWM B OUT B
BST B
OUT A
BST A
36
34
39
43
OUT C
BST C
OUT D
BST D
31
33
28
24
+
-
FRONT
(LEFT)
7
JK401
8
JK401
+
-
FRONT
(RIGHT)
5
JK401
6
JK401
+
-
CENTER
3
JK401
4
JK401
+
-
SUBWOOFER
1
JK401
2
JK401
L0 1
R0 12
L2 2
R2 15
A (LSB) 10
B (MSB) 9
AUDIO
SELECTOR
C0JBAR000367
IC300
AINL 2
AINR 1
LRCK
MCLK
SRCK
DIGITAL AUDIO
A/D CONVERTER
C0FBAK000026
IC700
TUN-LCH
TUN-RCH
TUN SCLK
TUN REST RST 5
GCGPIO2 18
TUN REST
TUN SDIO
TUN INT
TUN INT
: VIDEO OUTPUT SIGNAL LINE
RSTB
MAIN P.C.B.
SELECTOR LSB
SELECTOR LSB
Q301
SELECTOR
SWITCH
Q300
SELECTOR
SWITCH
SELECTOR MSB
SELECTOR MSB
FROM BACKEND
CVBS C
CVBS C
VIDEO OUT
JK8301
2
1
BACKEND P.C.B.
X600
23.5V
FROM
POWER SUPPLY
FROM
SYSTEM CONTROL
TO BACKEND
FROM BACKEND
FROM/TO
SYSTEM CONTROL
FROM/TO
SYSTEM CONTROL
FROM
SYSTEM CONTROL