A-Board (3/16) Schematic Diagram - Panasonic TX-LR32EM5A Service Manual

11.4. A-Board (3/16) Schematic Diagram

A-BOARD (3/16)
!
19
Audio-AMP
REF No. 4900 - 4969
NORMAL
R8158
SOS
0
SOUND_SOS
C5033 C5034
10u 10u
AU_RP
C4927
25V
0.47u
C4928
25V
0.47u
AU_RM
MUTE
from ASIC
OPERATE MUTE
AMP_STBY
R4915 150 L4906
I2S_SDIN
R4912 150 L4908
I2S_BCLK
R4914
150 L4907
I2S_LRCLK
R4913 150 L4909
I2S_MCLK
OPERATE
RESET
DCDC_EN/AMP_XRST
20 21 22
P15V
C4926
C5025 C5028
10u 10u
10u
C5031
C4925
10u
10u
C5030
10u
25 16
L4902
G1C150MA0533
26 15
OUT2P OUT1P AU_LP
VCCP2
L4900
C4923
27 VCCP1 14 G1C150MA0533
OUT2P OUT1P 25V
0.47u
28 13
GNDP2 GNDP1
Thermal
C4924
29 Pad 12
OUT2N OUT1N 0.47u
25V
30 11
OUT2N OUT1N AU_LM
L4903 L4901
SDATA
31 FILP 10
G1C150MA0533 G1C150MA0533
VCCA GNDA
C4922 32 9
10u
C4918
0.1u IC4900
16V
C1AB00003871
C4919
0.1u
16V
C4921
0.1u
16V
C4920
0.1u
16V
J0JBC0000116
J0JBC0000116
J0JBC0000116
J0JBC0000116
23 24
25
A12
K1KA04BA0055
TP4900
L4910 J0JHC0000078
1 R-
AU_RM
L4911 TP4901
J0JHC0000078 2
AU_RP R+
TP4902
L4912 J0JHC0000078 3
L+
AU_LP
TP4903
L4913 J0JHC0000078
4 L-
AU_LM
25 26
TX-LR32EM5A
27