Philips FWM570, Руководство по обслуживанию

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42 FW-M570
8 - 1 8 - 1
MIXER
var
icap
FM FRONTEND
GND
PRE-
SCALER
MULTI-
PLEXER
VSTABA
AM-IF
MONO/
XTAL
AGC
CONTR
OL
OSC
AM DET
AM
OSC
AGC
VCC2
AGC
PUMP
AM
MIXER
DECODER
CHARGE
FM
IF1
FRONTEND
AM
VSTABB
DET
FM
CONTROL
FIL
TER
AM
IF
AM
DET
STEREO
STEREO
FM
IF2
RIPPLE
AGC
STABILIZER
AFC
VDD
CTRL
AGC
A
B
C
D
E
F
G
H
I
2 3 4 5 6 7 8 9 10 11 12 13 14
1 2 3 4 5 6
3157 6120
MW=HIGH
FM 75 OHM
PR
OGRAMMABLE�
OUTPUT POR
TS
FM-IF2
LW
VERSION DETECTION
FM-IF1
7
I
7 8 9 10 11 12 13 14
A
B
C
D
E
F
G
H
from
kHz
3170
BUFFER AMPLIFIER
VCC
1
1
2
LEGEND
A
* ... Montado apenas na versão AM/FM SMD jumper
MW=HIGH
BIRDY FILTER
/00 /02 FM/MW
/00 /02 FM/MW/LW
2169
STEREO
3
450kHz
AM-IF2
3156
RIGHT
MW
LW only
450kHz
DISCRIMINATOR
AM-AFC
AM-IF1
8
/01 FM/MW
6105
6
LW only
LW =HIGH
VARIAÇÃO DE COMPONENTES NAS VERSÕES
marked components not for LW version
MW/LW-RF
VCO
RDS only
MPX
to/from
GND
from 7101/39
LEFT
/17 FM/AM
to 1120
HN1V02H
VERS
ÃO
/14 FM-OIRT/MW
450kHz
LW=HIGH
TUNER ECO6 SISTEMA CENELEC
pin 5
5 4
LW ...
apenas para versão LW
MW
ENABLE/MPX
LW
component
e montado
7111
AM-OSCILLATOR
CLOCK
DATA
AM FRAME AERIAL
p ...
apenas previsão
USA ... apenas para versão USA
2166
1n
T117
4
IF-OUT
7
9 10
8
OSC.�
OUT
V
5
VCC
6
150K
3169
1110
FE450
ANT
1
2 3
T110
3168
T115
T109
3161
22K
120R
2130
22n
3142
100K
22u
2162
2137 220n
2123 390p
6
7 8
T106
T121
5103
1
2
3
4
T140
T118
T114
BC337-40
7105
T113
7124
100u
2129
68K
3151
BC847C
220p 2146
HN1V02H
6105-1
1
2
7
2K2
3128
2190 100n
0R
4102
*
3159
470R
YKD31-�
0432
1
2
470R
3160
2149
33p
1102
1103
XH-S
1
2
22
VCC2
9 VCO
23
VDD
38
VST
ABA
VST
ABB
34
29 WRITE-EN
25
470n 2131
IF-GND
14
LEFT
12
LPF
24
11 MPX-IN
13
MUTE
43
NC
30 P0
31 P1
16
PILO
T
4 RF-GND1
42
RF-GND2
15
RIGHT
1 RIPPLE
7 VCC1
40
AM-MIXOUT
6 AM-OSC
2 AM-RF
39
AM|FM
27
CLOCK
28
DATA
26
DIG-GND
21
FIELDSTR-IND
18
FM-DEMOD
3 FM-GND
37
FM-IF1-IN
35
FM-IF2
33 FM-IF2-IN
5 FM-OSC
8 I-TUNE
17
TEA5762
7101
10 AF-OUT
20
AFC+
19
AFC-
44
AGC
32 AM-AFC
41
AM-IF1-IN
36
AM-IF2
2107
1u
56K
3141
BAS216
6106
22K 3134
7110 BC857B
6
7
8
2u2
2138
1120
FE-BT-VK-N
1
2
3
4
5
1
2
3 4
6
7 8
5111
22K 3143
470R
3158
2143 220n
T124
330R
3154
T123
T125
T111
3190
120R 120R
3191
BAS216
6120
1K
3144
100K 3156
2144
1u
47K
3171
3194
2K2
2132
470n
1132
C-P
AD
2118
2p2
220R
3105
2161 100n
p
2141 100n
T105
3157 100K
2119
10p
2K2
3145
2120
18p 22p
LW
1
2
3
2124
10n
*
YKD21
1101 USA
T126
7122
BC847C
2109
10p
T116
2
3 4
6
7 8
1u
2133
5114
7P
1
3 6
22K
3137
22R
3146
HN1V02H
6105-2
5
2122
3n3
2159
33p
10u
2128
10K 3150
47R
3132
BC857C
7103
3172
5K6
2167
12p
DT-381
5121
75
T142
2147 220p
T104
BC857B
7109
2K2
3108
4K7 3123
T122
T120
T127
7112
BC547C
2134
22n
USA
22n
USA
C-PAD
1131
T141
2106
11p
20p_L
W
0R
4104
*
0R
41xx
2165
100n
1130
C-PAD
10K 3180
2150
100n
BZX284-C11
6107
T102
2127
220n
2169
2n2
100K 3170
1
I
3
O
2125 560p
5109
2 G
470R 3152
2108 100p
3125
10K
3153 470R
330R 3193
T103
120R
3167
100R
3195
7 8
33K
3176
8
5122
1
2
3 4
6
5123
1
2
3 4
6
7
5110
G 2
I
1
O
3
5115
1 2 3
4 6
7
8
2
3 4
6
7 8
5119
1
2135
100n
2163
LW
7104
BC337-40
2145 220p
150R
3155
220n 2136
6
7 8
T112
T107
*
5102
7KL
1
2
3
4
5
3109
4K7
4101
0R
7111
BC847C
1
2
3 4
6
7 8
330R 3192
2n2
2148
5112
7P
470n
2164
2140
82p
VCC1
VCC1
2139
15p
MPX
+FM
P0
P1
VDD
VDD
VCC2
VCC2
VCC1
MPX
P01
P1
P0
P01
P0
VDD VDD
AM/FM
+FM
AM/FM
P0
1101 A2�
1102 B1�
1103 E2�
1110 B2�
1120 E14�
1130 A2�
1131 C2�
1132 F13�
2102 B1�
2105 A2�
2106 E3�
2107 E4�
2108 G3�
2109 G3�
2118 H6�
2119 H6�
2120 H6�
2122 I6�
2123 H6�
2124 H6�
2125 H6�
2127 E7�
2128 B8�
2129 C7�
2130 F11�
2131 F8�
2132 F8�
2133 F8�
2134 I8�
2135 I9�
2136 H14�
2137 H13�
2138 F9�
2139 G9�
2140 G9�
2141 F10�
2143 G12�
2144 G11�
2145 E11�
2146 E12�
2147 E12�
2148 E12�
2149 H7�
2150 A10�
2159 D5�
2161 C11�
2162 H12�
2163 D11�
2164 G10�
2165 C7�
2166 E11�
2167 E11�
2169 G8�
2190 C3�
2191 C3�
3105 D5�
3108 D2�
3109 G4�
3123 H3�
3125 H2�
3128 H3�
3132 G4�
3134 H6�
3137 H7�
3141 E7�
3142 E6�
3143 G7�
3144 G8�
3145 F8�
3146 G13�
3150 H12�
3151 H12�
3152 G14�
3153 G13�
3154 F13�
3155 G12�
3156 C12�
3157 D12�
3158 E13�
3159 D13�
3160 D13�
3161 D13�
3167 F12�
3168 F11�
3169 E11�
3170 D12�
3171 G12�
3172 G12�
3176 H7�
3180 I3�
3190 B6�
3191 B7�
3192 B6�
3193 B4�
3194 C4�
3195 C3�
4101 E2�
4102 F3�
4104 H5�
5102 E3�
5103 F2�
5109 B9�
5110 B10�
5111 A9�
5112 A11�
5114 B11�
5115 E7�
5119 G9�
5121 E11�
5122 H5�
5123 G5�
6105-1 E4�
6105-2 G6�
6106 D4�
6107 G13�
6120 C13�
7101 C8�
7103 H8�
7104 D2�
7105 F4�
7109 H3�
7110 H12�
7111 C13�
7112 G12�
7122 H4�
7124 H7�
T102 B2�
T103 B2�
T104 B6�
T105 E2�
T106 E2�
T107 C3�
T109 D5�
T110 D5�
T111 E5�
T112 F7�
T113 A9�
T114 B11�
T116 F10�
T117 F13�
T118 G11�
T120 F13�
T121 F13�
T122 E13�
T123 E13�
T124 G14�
T125 F14�
T126 F13�
T127 F13�
T140 F11�
T141 F10�
T142 F10�
�
p
p
p
18n 18n
2191 100u
2102
100n
2105 USA
100n
8.3V
7.5V
7.2V
9V
11V
8.2V
0.1V
1.2V 1.6-8V
5
1
A
3
2
D
C
4
...V Modo MW
...V Modo LW
Tensões medidas com o aparelho
sintonizado com um sinal forte
0.7V
0.7V
1.3V
0.7V
0V
7.4V
0V
7.5V
0.7V
0V
mono 4.8V
0V
0V
stereo 0.4V
7.5V
7.5V
1.4V
1.6-8V
0.1V
0V
0V
2V
0.2V 1.4V 1.4V 0.4V 0.7V
1.4V
1.4V
1.1V
0.7V 1.4V
0.6V 0.6V 0.8V
0.15V
...V Modo FM stereo
EVM V
B
8V
6.7V
8.3V
0.7V
0V
0V
0V
0.1V
0V
11V
2V
1.1V 1.1V
1V
1V
8.2V
7.8V
1.2V
0V
8.9V
12Vtyp
8.2V
mono 4.8V
stereo 0.2V
1.4V
0V
0V
0V
0V
0.1V
0V
0.7V
0.1V
0V
0.2V
(10-14V)
9.6V
12V
8.9V
8.2V
7.5V
8.3V
8.2V
0.8V
1.2V
0.7V
1.3V
1V
8.2V
7.8V
1-8V
0V
5V
0V
152kHz, 50mVpp
stereo stereo mono
Caminho do sinal
FM
AF -
esquerdo/direito
AM
MPX (
Frequência de áudio
)
ESQUEMA ELÉTRICO PAINEL TUNER
ECO6 S
I
STEM
A
CENELEC
ESQUEMA ELÉTRICO TUNER ECO6 / SISTEMA CENELEC