Philips FR975 Service Manual page 39

Digitale a/v surround receiver
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1102
D1
1124
F21
2107
J6
2122
M7
2128
I13
2132
1103
G2
1126
E20
2108
L2
2123
L7
2129
I8
2133
1110
D4
2102
C2
2109
L3
2125
L7
2130
J20
2134
1121
C21
2106
J4
2120
K7
2127
H16
2131
I17
2135
1
2
3
4
TUNER 95 bis
A
0,5V
B
+12V
+FM
FM FRONTEND
2102
470u
C
6
+B
1110
FE415-G23
D
A
1102
1
FM
ANT.
Ant1
F
a
E
4
GND
F
F
= F + F i
o
a
f
AGC
MT
VT
3
MT
5
3103
3104
G
1103
2
1
H
AM-FRAME SOCKET
I
B
6
5102
LW
= 0,7V
MW
= 0V
2
3108
7104
2k2
5
BC338-40
MW
3
J
1
4
K
7105
BC338-40
3109
3
2k2
2108
2109
2
82p
22p
5103
L
1
LW
M
N
3104 217 04120 bl. 130 - 01
3104 217 04121/04341 bl. 130 - 01
1
2
3
4
7A-5
I17
2136
H19
2140
C14
2144
K20
2150
C6
2160
I15
3104
G4
G18
2137
G19
2141
H15
2145
E19
2151
H12
2161
I15
3107
C6
G19
2138
H18
2142
K19
2147
E19
2152
I11
2162
H20
3108
J1
F19
2139
I7
2143
K20
2148
E19
2158
L18
3103
G3
3109
K1
5
6
7
8
5109
3172
10,7 MHz
0E
3173
2150
3107
3181
100n
5110
+7V
10,7 MHz
7
+6V
+8V
IF Out
VCC1
VDD
7
23
35
VCC1
VDD
FM-IF2
STABILIZER
F 10,7 MHz
if
37
FM-IF1I In
FM
IF1
F o
Osc Out
8
5
FM Osc.
3140
6
VT
8
I-Tune
AM
OSC.
2
AM-RF
6106
1N4148
C
Ripple
AM-Osc.
3120
2V
1
6
3184
2139
100n
2129
1 µ
3123
6105a
6105b
HN1V02H
HN1V02H
1
7
6
5
2
3
3132
2106
3163
2107
5p2-
30p
470n
MW-OSC
3124
5123
3129
3
4
2120
2
3130
33p
1
6
2125
3134
560p
LW = 0V
LW-OSC
MW
= 0,7V
7124
5122
BC848C
3
4
3169
3137
0E
10k
2
2123
390p
1
6
V
2122
3n9
0V
MW
LW
5
6
7
8
07/08/2012
3120
H5
3128
L9
3132
J7
3141
I16
3145
I17
3151
I20
3123
I6
3129
K8
3134
L6
3142
I16
3146
L20
3152
F20
3124
K7
3130
K8
3137
L5
3143
K17
3147
N20
3153
G20
3125
L11
3131
M10
3140
F7
3144
K17
3150
H19
3154
J20
9
10
11
12
13
IF - AM
IF - AM
6
1
1
6
2
2
3192
3
4
3
4
5111
5112
450 kHz
450 kHz
450 kHz
1,4V
34
33
1,4V
38
40
41
36
V Stab B
FM-IF2I
V Stab A
AM-MIX Out
AM-IF1 In
AM-IF2
FM
AM
IF2
IF
CHARGE
PUMP
AM
FM
FRONTEND
DET
AM
MIXER
AGC
FM GND
RF GND
IF GND
Dig. GND
RF GND
FM-Demod
AGC
3
4
17
26
42
18
0V
44
2151
15p
3
MT
5
2152
4
82p
2
1
5107
Toko 7KM
+7V
+7V
+6V
+6V
V
VDD
VDD
0V
3197
MW
LW
LW
= 0,7V
7122
3125
BC848C
MW
= 0V
10k
3128
2k2
7109
BC858B
3177
3131
V
0V
MW
LW
9
10
11
12
13
7A-5
3155
J20
3161
D19
3167
I20
3177
M10
3184
I8
3192
C12
5107
3158
E19
3162
I15
3169
L5
3178
N20
3185
I13
3197
L11
5109
3159
E19
3163
J8
3172
B6
3181
C7
3186
K16
5102
I3
5110
3160
D19
3164
I20
3173
B6
3183
I13
3188
M20
5103
L4
5111
14
15
16
17
AM - DET
3
2
1
1
5114
2140
+9,6V
7101
VCC2
TEA5762
470n
32
19
20
22
AM-AFC
AFC-
AFC+
VCC2
29
WRITE Enable
AFC
28
DATA
27
CLOCK
6120
31
P1
AM
DET
1N4148
39
FM/AM
CONTROL
30
P0
Mono/
Stereo
24
Left
14
Mute
13
0,7V
STEREO
DECODER
Right
15
XTAL
OSC
PILOT
16
Filter
0,9V
Fieldstrength
AF-Out
Indc.
MPX-In
VC0
LPF
10
2V
21
25
11
1V
9
0,8V
12
2141
100n
2127
3183
220n
2128
2160
3162
3141
3145
µ
10
12p
2131
470n
2161
2132
5121
3185
3142
75 kHz
1n
470n
VC0
75 kHz
5115
4
6
7
+8V
VCC1
ANTI BIRDY
FILTER
3143
3
2
1
7103
BC858C
3144
1,3V
3186
1k
1k
.....V
FM mode stereo
Signal path
only in RDS version (04121)
.....V
FM
FM
not in RDS version (04341)
AM
.....V
AM
AF
14
15
16
17
World of Free Manuals
J12
5112
C12
5122
L7
6106
H5
7103
K17
7110
I19
B6
5114
C13
5123
K7
6107
K20
7104
J2
7122
L9
C9
5115
J15
6105a I5
6120
E17
7105
K2
7124
L6
C11
5121
I15
6105b I6
7101
C15
7109
L10
18
19
20
21
A
V
B
0
0V = No communication
During communication
V
V
C
0V
0
1121
mono
stereo
High = During communication
1
GND
1,3V
2
MPX-RDS
(VCC2)
D
3161
1
3
470E
ENABLE
3160
2
4
470E
DATA
3159
3
5
470E
CLOCK
3158
E
4
6
470E
STEREO
2145
2147
2148
220p
220p
22n
1126
3
STEREO = LOW
F
1124
2135
3152
1
470E
LEFT
220n
2134
15n
2
2133
4
GND
µ
1
G
2137
3153
3
470E
RIGHT
220n
2136
15n
2138
11,8V
µ
2
2
H
11,2V
3150
4k7
V
2162
3151
µ
22
0V
AM
FM
0,5V
I
+FM
+12V
7110
BC858B
3164
3167
4
VCC1
VCC
220E
+8V
+12V
2130
3154
22n
J
3155
+7V
VDD
330E
+6V
2144
µ
1
K
VCC2
+9,6V
6107
BZX79/
2142
2143
C11
100n
220n
3146
L
2158
100n
M
3188
0E
3178
0E
3147
N
0E
LEU0150
ITCL/9851-9813
18
19
20
21
PCS 69 717

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