Main Circuit (4/6) - Panasonic SA-AK980PU Service Manual

16.5. Main Circuit (4/6)

SCHEMATIC DIAGRAM - 5
I
B MAIN CIRCUIT
TO MAIN
SECTION (1/6) R2051
2.7K
R2053
6.8K
J
CN2801
25
LOUT
1 R2054
R2052
6.8K
AGND 2
2.7K
ROUT 3
+3.3V
4
SRDATA 2
5
SRDATA 1
6
BCK 7
LRCLK
8
SRDATA 9
A
3.3V 10
TO
LD SW 11
K CD SERVO CIRCUIT
DGND 12
(CN7002)
IP FLAG
13
IN SCHEMATIC
TX NC 14
DIAGRAM - 1
MCLK 15
MDATA 16
MLD
17
BLKCK 18
STAT
19
/RST 20
REST SW 21
R2046 3.3K
LOADING
22
CD OPEN SW
23
L
PGND
24
7.5V
25 C2054
1
0.01
M
N
O
P
1 2 3
: +B SIGNAL LINE : -B SIGNAL LINE : CD AUDIO INPUT SIGNAL LINE
CD_L
AGND
CD_R
D+3.3V
CD_SRDATA2
CD_SRDATA1
BCK
LRCLK
CD_SRDATA0
DGND
CD_MCLK
CD_MDATA
CD_MLD
CD_BLKCK
CD_STAT
CD_RESET
CD_REST_SW
CD_LOADING
CD_OPEN_SW
MGND
+7.5V
MAZ8240GHL
R2914
47K
-VP
FL2
FL1
FL-GND
4 5 6
: AUX/MUSIC PORT/MIC AUDIO INPUT SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE
D2909 D2908
B0EAMM000057
G0A220GA0026
T2900
R2950
G4D1A0000117
5.6K
C2913
50V47 SWITCHING
TRANSFORMER
4
5 3
D2903
B0EAMM000057
6 2
Q2900
7 1
B1BABK000001
D2901
8 9
B0BC035A0007 PSAVE CONTROL
SWITCH
R2902 C2802
47 3900P
C2912
16V100 D2906
B0JAME000114
7 8 9
103
: AM/FM SIGNAL LINE : USB SIGNAL LINE
SYS_GND
L2120
G0C330JA0055
+9V
TUNER_R
R2121
C2121 R2122
3.3K
1000P 3.3K
AGND
C2221 R2222
1000P 3.3K
R2221
3.3K
TUNER_L
TU_STEREO
TU_CLK
DET
TU_SDA
TU_TUNED
L2910
DC18V
C2900
50V47
FP2901
0.4A
K5G4013A0001
CHASIS GND
CHASIS SCREW B
C2005
0
GND1
1/6 2/6 3/6
4/6 5/6 6/6
SA-AK980PU MAIN CIRCUIT
10 11 12
P1
Z3601*
10 GND
9 VCC
8 DET
7 RCH
6 STEREO
TUNER PACK
5 LCH
J3CCBB000010
4 TUNED
3
SDA
2 SCL
1 PORT_SELECT
TO MAIN
SECTION (5/6)
13 14