Main (Damp) Circuit - Panasonic SA-AKX17PH Service Manual

15.4. MAIN (Damp) Circuit

1 2 3
SCHEMATIC DIAGRAM - 5
A
MAIN (DAMP) CIRCUIT
B
R6007
10
C6005 C6018
C6019
10 0.1
0.1
MI DAMP_RESET
PWM_P_1
DD
DD PWM_M_1
C
PWM_P_2
DD
PWM_M_2
DD
DAMP_FAULT
MI
DAMP_OTW
MI
DAMP_CLIP
MI
D
R6011
10
DC_DET_AMP_FAN
MI
B1ADBL000010
Q6001
E
B1ABCF000011
DC DETECT
F
G
MI: MAIN (MICON) SCHEMATIC DIAGRAM - 4
DD: MAIN (DAP_DSP) SCHEMATIC DIAGRAM - 6
NOTE: " * " REF IS FOR INDICATION ONLY
H
1 2 3
4 5 6
: +B SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE
ZA6000*
HEATSINK
G1 G2
IC6000
C1AB00003994
R6050
POWER AMPLIFIER
10
C6024 0.033
1 GVDD_AB BST_A 44
R6046
C6028 0.033
22K
2 VDD BST_B 43
3 OC_ADJ GND 42
4 /RESET GND 41
5 INPUT_A OUT_A 40
6 INPUT_B OUT_A 39
C6023 0.1
7 C_START PVDD_AB 38
C6020 1
8 DVDD PVDD_AB 37 C6031 C6032
0.1
1
9 GND PVDD_AB 36
10 GND OUT_B 35
11
GND GND 34
12 GND GND 33
C6022 1
32
13 AVDD OUT_C
14
INPUT_C PVDD_CD 31
15 INPUT_D PVDD_CD 30
16 C6036 C6039
/FAULT PVDD_CD 29
0.1 1
17 28
/OTW OUT_D
18 27
/CLIP OUT_D
19 M1 26
GND
20 M2 GND 25
C6025 0.033
21 BST_C 24
M3
C6030 0.033
22 GVDD_CD BST_D 23
C6021
0.1
R6056
4.7K
Q6002
R6057 C6027
220K 0.1
Q6007
DC DETECT
R6132
B1ABCF000011
R6055
220K
Q6300 SPEAKER PROTECTION
47K
B1ABCF000011
R6054 SPEAKER PROTECTION R6070 C6068
56K
33K 10
4 5 6
7 8 9
L6000
G0A100H00018
R6300 0
R6301 0
C6042
0.47
C6033
L6001
470
G0A100H00018 R6302 0
R6303 0
R6304 0
L6002
R6305 0
G0A100H00018
C6040
470
C6044
0.47
L6005
R6306 0
G0A100H00018
R6307 0
7 8 9
51
10 11 12
C6069
0.1
JK6000
G2
FRONT_L-
4
C6070
0.1 FRONT_L+
3
TO SPEAKERS
2 FRONT_R-
1 FRONT_R+
C6071
0.1
G1
C6074
0.1
DGND MI
32V5
MI
PW_12V MI
DGND MI
SA-AKX17PH/PN MAIN (DAMP)
10 11 12
13 14
A
B
C
D
E
F
G
CIRCUIT
H
13 14