Panasonic SA-XR10E, Service Manual

Page: 84 / 102

A
B
C
D
E
F
G
H
1 2 3 4 5 6 7 8 9 10 11 12
SCHEMATIC DIAGRAM-5
D
CN201
MCLK
AU0
LRCK
SCLK
AU1
AU2
DEC
DRSPD
TW
VOLUME
SD
AMPRESET
MUTE-HP
MUTE F
MUT C.S
MUT SW
+B(12V)
+B(12V)
HP SW
DAC.GND
12V.GND
12V.GND
AC.GND
D.GND
D.GND
F
25
2
1
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
IC110
C0JBAZ001127
DUAL BUS BUFFER
C197
0.1
IC608
C0CBAYD00002
REGULATOR
R650
100
C677 100P
R676
10K
C683
0.1
IC609
C0EBE0000200
RESET
C682
16V47
R675
300
C681
0.1
C680
16V47
R638
47
R639 47
R640 47
R641 47
R642 47
R643 47
R644 10
R646 100
R648 10
R651
100
R652 100
R653 100
R654 100
C663
22P
C662
22P
C661
22P
C660
22P
C659
22P
C670 100P
C668 100P C667 100P C666 100P C665 100P C676 100P C675 100P C674 100P C673 100P
R655
10
C672
0.01
C671
0.1
B
C
E
F
H
I
K
L
A
B
C
D
E
N
O
J
K
L
M
O
P
Q
R
T
N
3 2 1
4 5
SENSE V
DD
GND GND RESET
1 2 3
VADJ OUTPUT INPUT
IC101
C0ZBZ0000654
DIGITAL AUDIO
AMPLIFIER
IC105
C0BBCA000040
VOLTAGE COMPARATOR
R126 100K
C113
0.01
R129
3.9K
C1
12
0.1
39
33
32
31
28
23 22 20 19 18 17 15 14
DVss3
R
V
ALID
L
MOD0
MOD1 MOD2
SDIN
LRCLK SCLK MCLK
OUT
DVss1
DV
DD
1
DVss1
DV
DD
1
NC
M S
VALID R
/ PDN
/ RESET
NC
AVss2
PLL FLT RET
PLL FLT OUT
AV
DD
2
MCLK IN
AV
DD
1
XTL
IN
XTL
OUT
OSC
CAP
A
Vss1
DEM
EN
DEM
SEL
FTEST STEST
DBSPD
/
MUTE
DVss3
L
DV
DD
3 L
PWM AP L
PWM AM L
PWM BM L
PWM BP L
DV
DD
2
DVss2
PWM AP R
PWM AM R
PWM BP R
PWM BM R
DV
DD
3 R
46 47 48 40 41 42 43
13
8
7
12
10
9
3
2
1
6
5
4
44
34
30
27
26
25
21 16
11
45 37 38
36
35
29
24
14
13
12
11
10
9
8
1
2
3
4
5
6
7
1OUT OUT3
2OUT OUT4
Vcc GND
2IN- 4IN+
2IN+ 4IN-
1IN- 3IN+
1IN+ 3IN-
R138
4.7K
R128
10K
R127
1K
R118 10
C107 0.1
R117 10
C106
0.1
C108
0.1
R119
10
G
P
R103
22
C102
0.1
C101
16V22
R102
3.3
R104
220
C103
0.047
C104
4700P
D101
B0ADBH000001
D102
B0ADBH000001
R101
22
R121
R123
R125
10K
R120
3.3
C109
16V22
C105
0.1
C1
17
22P
R136
100K
R137
100K
C1
16
22P
R134 100K
R135
100K
C1
15
22P
R133 100K
R132
100K
C1
14
22P
R131 100K
R130
100K
R108
R1
12
R
111
A
B
C
D
E
F
G
H
I
J
K
L
A
J
M
D
S
Z
d
a
b
G
H
I
0
0
0
0 0
SA-XR10(E,EB,EG,GCS,GD,GN) MAIN CIRCUIT DIAGRAM
MAIN CIRCUIT
IC111
C0JBAZ001127
DUAL BUS BUFFER
R673
180
4
5 6 8
1 2 3
7
Vcc
GND
C405
0.1
F
V
W
X
Y
d
U
Z
a
b
S
Q617
UN5111TX
MUTING CONT.
To POWER SUPPLY
CIRCUIT(CN905)
on SCHEMATIC
DIAGRAM-11/2,3-A
R695 100
G
4
5 6 8
1 2 3
7
Vcc
GND
3.3V
12.1V
3.3V 3.3V 3.3V 1.6V
3.3V 1.6V 1.6V
12.1V 3.3V 2.1V
4.7V 3.3V
3.3V
3.3V
12.1V
3.3V 0V 0V
0V 0V 3.3V 3.3V
1.8V
3.2V
2V
0V
0V
3.3V
3.3V
3.3V
3.3V
3.3V
1.6V 1.6V 0.9V 3.3V
0V
3.3V 3.3V
3.3V
1.6V
1.6V
1.6V
1.6V
3.3V
1.6V
1.6V
1.6V
1.6V
3.3V
3.3V
3.3V
12.1V
0V
5.8V
0V
5.8V
3.3V
3.3V
5.8V
0V
5.8V
0V
2.4V
P-P
0.2 s. 1V/DIV.
FM
3.2V
0V
0.2 s. 1V/DIV.
FM
FM
0V
4V
T 15.2ms.
:POSITIVE VOLTAGE LINE :FM/ AM SIGNAL LINE
3.3V
3.3V 0.7V
3.3V 3.3V 1.6V 1.6V
3.3V 1.6V 1.6V