Panasonic RX-D55EE Manual de serviço - Página 20
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6.6.
MAIN CIRCUIT (6/6)
SCHEMATIC DIAGRAM - 7
B
MAIN CIRCUIT
TO MAIN
SECTION (3/6)
P1
MOTOR_ON
TAPE_L
REC_H
RMT_ON
BU3.3V
TO MAIN
SECTION (5/6)
R2147
100K
R2145
0
MUTE_A
KEY1
KEY2
STBY3.3V
R5933
10K
A9V
R5932
10K
PCONT1
PCONT2
29
30
31
: +B SIGNAL LINE
: CD/TAPE AUDIO INPUT SIGNAL LINE
: MUSIC PORT AUDIO INPUT SIGNAL LINE
R2118
R2119
R2121
100K
100K
56K
R2144
1K
R2117
1K
R2184
1K
R2142
1K
R5929
10K
R2113
1K
R2114
1K
R5926
R2125
10K
100K
R5938
150K
C2104
R2115
C2105
C2106
C2109
R2112
R2116
R2124
C2110
4700P
220K
1000P
1000P
2200P
100K
100K
100K
R2126
C2107
R2127
C2108
CN2102
6
MMOD
MICONRST
5
OCD_SCL
4
FOR SOFTWARE WRITING
VSS
3
OCD_SDA
2
1
STBY3.3V
32
33
34
: AUDIO OUTPUT SIGNAL LINE
C4172
47P
C4173
47P
R2139
R2141
1K
1K
75
74
73
72
71
70 69
68
67
66
65
64 63
62
61
60
59
58 57
56 55
54 53
52 51
76
77
NC
78
NC
79
NC
[76] NC
[47] MODEL_SEL_1
80
MOTOR_ON
[48] MODEL_SEL_2
81
TAPE_L
[49] PLL_DI
CD_RST
[50] PLL_D0
82
REC_H
RMT_ON
83
REST_SW
84
NC
CD_OPEN_SW
85
NC
OPEN_H
86
NC
CLOSE_L
IC2100
87
NC
VSS
RFKWMD55EG
88
NC
MICRO PROCESSOR
89
VDD
1.8V
90
MUTE_A
USB_CLK
[1] PCONT1
[26] HALT
CD_MLD
91
GND
[2] PCONT2
[27] DC_DET2
92
KEY1
USB_SDA
[28] DC_DET
93
KEY2
CD_MCLK
94
NC
STAT
95
NC
CD_MDATA
96
P_DET
REGION
BLKCK
97
NC
98
99
NC
100
VREF+
C2130
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
0.1
6.3V100
1K
220P
C2111
220P
1K
C2112
220P
220P
C2113
220P
R2140
1M
R2180
100K
Q2102
Q2101
B1ABDF000026
B1ABDF000026
INVERTER
INVERTER
35
36
37
20
: FM SIGNAL LINE
: AM SIGNAL LINE
: FM/AM SIGNAL LINE
R2157
R2153
100K
100K
R2151
1K
R2152
2.2K
R2166
1K
50
R2167
1K
49
48
R2171
R2174
R5924
56K
56K
100K
47
NC
46
TL
2115
R2168
4.7K
45
NC
44
TL
2116
R2170
100
43
R2169
1K
42
R2156
100
D2101
B0ACCK000005
R2172
41
3.3K
R2155
100
D2100
B0ACCK000005
40
39
NC
38
TL
2114
37
R2162
100
36
100
R2159
35
R2160
100
34
R2163
100
33
R2164
100
32
R2161
100
31
NC
30
R2165
100
29
28
R5916
100
27
R2158
1K
26
C2124
100P
C2131
C2132
6.3V100
1000P
C2133
1000P
L2104
G0C3R3JA0027
C2125
0.1
R2101
100K
R2175
470K
IC2101
C0EBE0000124
C4167
6.3V100
QR4105
RESET
B1GBCFJN0033
DC DETECT
R5903
R5908
C2126
330K
0
0.1
1/6
2/6
4/6
5/6
38
39
40
I
J
PLL_CE
PLL_CLK
K
PLL_DO
PLL_DI
CD_RST
REST_SW
CD_OPEN_SW
L
LOADING
USB_SCL
CD_MLD
USB_SDA
CD_MCLK
STAT
CD_MDATA
M
BLKCK
DC_DET2
HALT
BU3.3V
N
D4105
R2177
B0ACCK000005
100K
STBY3.3V
1
2
OUT
VDD
VSS
O
NC
4
3
DCH
DGND
VREF+
3/6
6/6
RX-D55EE MAIN CIRCUIT
P
41
42