Panasonic SA-AKX74PH Servicehandleiding - Pagina 5
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3 Schematic Diagram (Updates)
3.1.
Main(MICON) Circuit (SA-AKX74PH/PN-K)
With reference to original service manual (section 16.3) on pages 87, 91 & 96.
1
2
3
SCHEMATIC DIAGRAM - 5
A
B
MAIN(MICON) CIRCUIT
B
LCH_IN
TUNER_L
C2028
1
C
AUX_L
C2032
1
R2154
R2152
15K
15K
MPORT_L
C2029
1
CD_L
C2020
10
R2012
680
DAGND
D
CD_R
R2103
680
C2021
10
MPORT_R
C2031
1
AUX_R
C2033
1
TUNER_R
C2034
1
E
F
G
RCH_IN
MI: MAIN(MICON): SCHEMATIC DIAGRAM - 5 ~ 14
DA: MAIN(D-AMP): SCHEMATIC DIAGRAM - 15 ~ 16
H
4
5
6
: +B SIGNAL LINE
: CD AUDIO INPUT SIGNAL LINE
: -B SIGNAL LINE
: AUX/TUNER/MUSIC PORT/MIC AUDIO INPUT SIGNAL LINE
C2067
1
C2061
50V1
R2373
150K
C2192
1
C2043
C2049
1000P
100P
39
38
37
36
35
34 33
32 31
30
29 28
27
C2024
40
IN4B
26
1000P
41
25
NC
INT
42
IN5B
EXTSENSE
24
C2053
43
23
NC
VOL2CAPB
1000P
[39] NC
[26] SURTC
44
IN6B
OUTB
22
C2056
10V33
45
VREF
IC2000
21
V+
C2057
50V4.7
46
C1AB00003256
IN6DIFF
SCL
20
ASP
47
IN6A
SDA
19
[14] BPF2
C2054
48
NC
GND
18
[1] NC
[15] BPF3
1000P
49
NC
OUTA
17
50
IN5A
VOL2CAPA
16
51
NC
15
52
IN4A
14
C2026
C2046
C2050
1000P
1000P
100P
1
2
3
4
5
6
7
8 9
10
11 12
13
C2153
10
R2375
C2193
150K
1
R2061
6.8K
Q2041
B1ABCF000176
SWITCH
Q2037
B1ABCF000176
C2068
1
SWITCH
R2054
0
Q2042
B1ABCF000176
SWITCH
R2246
C2066
50V1
7
8
9
: AUDIO OUTPUT SIGNAL LINE
: FM SIGNAL LINE
: AM SIGNAL LINE
: USB SIGNAL LINE
Q2040
B1ABCF000176
R2372
1K
SWITCH
R2077
Q2001
1K
CLIP_ATTN
B1ABCF000231
SWITCH
R2064
15K
C2092
0.068
C2090
50V1
R2078
56K
C2085
50V3.3
C2089
50V3.3
LEFT-OUT
PW_+9V_1
ASP_CLK
C2242
C2093
0.1
16V1000
AGND
RIGHT-OUT
C2086
50V3.3
R2129
0
R2062
150K
R2079
33
PW_+9V
ASP_DATA
MIC_GND
C2084
C2088
0.082
0.082
CHANGE
(R2063)
R2063
15K
10K
R2355
12K
C2087
4.7
R2356
1K
MIC
R2374
1K
R2377
1K
SYS3.3V
100
BASS_SHIFT
TO MAIN(MICON)
CIRCUIT (6/10)
5
10
11
12
C2047
R2039
R2044
50V1
22K
22K
R2024
3.9K
R2032
C2055 C2060
47K
47P
100P
R2050
22K
R2025
C2041
5
6
7
8
3.9K
6.3V100
V+
IC2002
C2241
C0ABBB000067
0.1
BUFFER AMP
V-
4
3
2
1
R2029
47K
R2053
22K
C2048
R2030
C2059 C2064
50V1
47K
47
100
R2043 R2045
22K
22K
R2294
6.8K
R2427
68K
R2295
6.8K
R2031
R2426
47K
68K
C2037
0.047
1/10
2/10
3/10
4/10
5/10
6/10
7/10
8/10
9/10 10/10
SA-AKX74PH/PN MAIN(MICON) CIRCUIT
13
14
P1
2
1
TO MAIN(MICON)
CIRCUIT (2/10)