Service manual
62
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 - 8
SA-AKX36PH/PN MAIN (DAMP) CIRCUIT
TO SPEAKERS
: +B SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE
CK6001
0
R6001
0
R6002
1
G1
3
4
2
G2
JK6000
C6069
0.1
C6071
0.1
C6074
0.1
C6070
0.1
0R6302
0R6303
0R6305
R6304
0
0R6307
R6306 0
R6300
0
0
R6301
G0C100M00009
L6301
G0C100M00009
L6300
0.033
C6024
0.033C6028
0.033C6025
0.033
C6030
1000P
C6045
1000P
C6046
0.1
C6049
0.01
C6061
0.01
C6062
3.3
R6058
3.3
R6060
0.1
C6055
R6070
33K
C6068
10
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
B1ADBL000010
Q6002
0.1
C6036
1
C6039
50V470
C6040
1
C6031
0.1
C6032
50V47
C6033
C6022
10
R6011
2
43
1
C6042
0.47
1000P
C6047
1000P
C6048
100K
R6067
100K
R6069
100K
R6066
100K
R6068
0.1
C6059
0.01
C6063
0.01
C6064
3.3
R6061
3.3
R6062
0.1
C6060
C6044
0.47
0.1
1
1
C6023
0.1C6021
0.1
C6018
10C6005
0.1
C6019
22K
R6046
10
R6007
10R6050
C6020
2
43
1
43
11
9
10
34
36
35
12 33
6
5
39
38
41
40
837
2322
20
18
16
14
13
15
17
19
31
32
28
26
25
27
30
29
21 24
342
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
C1AB00003986
HEATSINK*
POWER AMPLIFIER
G2G1
VALID
MI
PWM_P_1
MI
PWM_M_1
MI
PWM_P_2
MI
PWM_M_2
MI
DAMP_FAULT
MI
DAMP_OTW
MI
DAMP_CLIP
MI
PW_12V
MI
DC_DET2
MI
32V5
MI
DGND
MI
PW_GND
MI
MI: MAIN (MICON) SCHEMATIC DIAGRAM - 4 ~ 7
NOTE: “ * ” REF IS FOR INDICATION ONLY