Panasonic SA-AKX18P, Service Manual

Page: 14 / 32

14
6 Schematic Diagram
6.1. Main (Damp) Circuit
A
1 2 3 4 5 6 7 8 9 10 11 12 13 14
1 2 3 4 5 6 7 8 9 10 11 12 13 14
C
D
B
E
G
H
F
A
C
D
B
E
G
H
F
A
MAIN (DAMP) CIRCUIT
SCHEMATIC DIAGRAM - 1
SA-AKX18P MAIN (DAMP) CIRCUIT
TO SPEAKERS
: +B SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE
US: MAIN (USB) SCHEMATIC DIAGRAM - 3
DS: MAIN (DSP) SCHEMATIC DIAGRAM - 4
VO: MAIN (VOLTAGE REGULATOR) SCHEMATIC DIAGRAM - 5
MI: MAIN (MICON) SCHEMATIC DIAGRAM - 6 ~ 8
1
G1
3
4
2
G2
JK6000
C6069
0.1
C6071
0.1
C6074
0.1
C6070
0.1
0 R6302
0 R6303
0 R6305
R6304 0
0 R6307
R6306 0
R6300 0
0 R6301
0.033 C6024
0.033 C6028
0.033 C6025
0.033 C6030
1
C6045
1
C6046
0.01
C6061
0.01
C6062
3.3
R6058
3.3
R6060
G0A100K00006
L6000
G0A100K00006
L6001
G0A100K00006
L6002
G0A100K00006
L6005
R6070
12K
Q6001
B1ABCF000011
DC DETECT
DC DETECT
R6056
4.7K
R6054
56K
R6132
220K
SPEAKER PROTECTION
SWITCH
Q6300
B1ABCF000011
SPEAKER PROTECTION
SWITCH
Q6007
B1ABCF000011
47K
R6055
C6027
0.1
R6057
220K
B1ADGD000019
Q6002
0.1
C6036
1
C6039
1
C6031
0.1
C6032
50V1000
C6033
C6022
10 R6011
G1C4R7MA0172
L6006
10K
R6072
1
C6047
1
C6048
100K
R6067
100K
R6069
100K
R6066
100K
R6068
0.01
C6063
0.01
C6064
3.3
R6061
3.3
R6062
0.1
1
1
C6023
0.1 C6021
0.1 C6018
10 C6005
0.1 C6019
22K R6046
10 R6007
10 R6050
C6020
43
11
9
10
34
36
35
12 33
6
5
39
38
41
40
8 37
23 22
20
18
16
14
13
15
17
19
31
32
28
26
25
27
30
29
21 24
3 42
44
2
7
4
1
IC6000
M3 BST_C
GVDD_CD BST_D
M1
/OTW
OUT_D
GND
/CLIP
INPUT_D
PVDD_CD
/FAULT
OUT_D
PVDD_CD
M2 GND
LEFT+
LEFT-
RIGHT-
RIGHT+
AVDD
INPUT_C
GND
VDD
C_START
DVDD
/RESET
OC_ADJ
GVDD_AB
INPUT_B
INPUT_A
GND
GND
GND
OUT_B
PVDD_AB
PVDD_AB
PVDD_AB
GND
GND
OUT_A
OUT_A
PVDD_CD
GND
OUT_C
GND
BST_A
BST_B
C1AB00003994
HEATSINK
ZA6000*
POWER AMPLIFIER
G2 G1
DAMP_VALID
DS
PWM_P_1
DS
PWM_M_1
DS
PWM_P_2
DS
PWM_M_2
DS
DAMP_OTW
MI
PW_12V
VO
PW_3R3V
MI DS US
DC_DET_AMP_FAN MI
DGND
MI
NOTE: “ * ” REF IS FOR INDICATION ONLY
C6068
10
PW_32V
VO