Philips AZ 2558, Service Manual

Page: 20 / 51

7 - 1 7 - 1
SCALER
MULTI-
PLEXER
CONTROL
FILTER
AM
IF
AM
DET
FM
DET
VSTABB
DECODER
CHARGE
PUMP
AGC
OSC
AM DET
FM
IF2
RIPPLE
AGC
STABILIZER
AFC
VDD
VSTABA
AM-IF
MONO/
FM
FRONTEND
CONTROL
XTAL
AGC
PRE-
CTRL
AGC
AM
OSC
AGC
VCC2
FM
OSC
AM
MIXER
MIXER
FM
FM
IF1
FRONTEND
AM
STEREO
STEREO
7V
LW
1
1V
D
1.4V
B
VCO
VERSION
7180 H13
T113 A9
T114 A11
T115 A8
0V
0.5V
4.1V
0.7V
LEFT
4.0V
0.7V
3.5V
1.1V
4.1V
1V
FM-IF2
0.7V
1.2V
1.1V
1
1V
2
stereo
C
0V
FM-IF1
0V 1.4V
...V LW mode
7.5V
1.4V
0V
TUNER BOARD ECO6
6183 H10
7101 B8
7102 C7
(5V-12V)
from 2169
FM-OSCILLATOR
FM-RF
0.1V
0.5V
0V
0V
stereo 0.2V
1.3V 1.4V 1V
0V
mono stereo
2
3
4.3V
A
11.4V
AM FRAME AERIAL
4
1V-8V
4.5V-8V
0.6V
AM-OSCILLATOR
1.4V
7124 I7
T112 F7
5103 F2
5109 A9
5110 B10
T116 F10
to 1122
pin 2
RDS only
0.1V
4.0V
0V
0.6V
mono 4.8V
Ferrite Antenna only
8
0V
6
0.6V
0.9V
0V
0.7V
Printed
5123 G5
0V
PROGR.
OUTPUT PORTS
1.3V
3
4
0.6V
0V
0.7V
6182 G11
3159 D13
3160 D13
3161 D13
7103 H7
...V MW mode
...V FM mode stereo
EVM
VOLTAGE MULTIPLIER
transmitter
set is tuned to a strong
voltages measured while
3.4V
/00 /02 FM/MW
3181 E6
3186 F13
3187 H12
0V
0V
7122 I4
3191 I12
3192 I12
7181 I13
7182 I11
0.8V
450kHz
450kHz
450kHz
Q-multiplier
5
5.4V
T111 F4
5102 E3
3137 I7
3141 E7
3142 E7
5111 A8
0V
0V
0V
DISCRIMINATOR
0.6V 0.8V
2V
LW
LW=HIGH
OSCILLATOR
LW only
AM-RF
/17 FM/AM
Printed
Printed
* ... only assembled in FM/AM-version
LEGEND
5130 E6
5131 C6
stereo 0.3V
AM-AFC
mono 4.8V
0V
AM-IF2
0V
0V
6181 G12
3158 E13
3102 D4
3103 C7
3104 A7
3166 F13
7104 D3
7105 D3
7109 H3
V
0.7V
1.4V
1.4V
/01 FM/MW
/PORTABLE AUDIO
MPX
BUFFER AMPLIFIER
3188 H12
3189 H12
3190 H12
3157
VERSION PROGRAMMING COMPONETS
3193 I13
3194 I13
7183 H11
0.15V
3.4V
4.8V
4.8V
0.1V
T110 F5
4110 C4
3134 H6
2149 H7
2150 A10
2152 E4
3143 G7
5112 A11
5114 B11
5119 G9
2V
3.5V
4.7V
4.7V
FM
AM-IF1
black
p ...for provision only
2165 C7
VERSION DETECTION
component mounted
MW=HIGH
2186 H13
2187 H12
MW
GND
6103 A3
0.1V
0V
3.9V
3.3V
0.7V
6131 C5
3157 C12
3101 E4
I
A
B
3105 B6
3167 F12
3169 D11
3170 C12
7111 C13
7119 A9
5.4V typ.
11.4V
6120
2127 E7
2128 B8
2129 C7
2130 F12
MW
6105
3170
2134 I9
2135 I9
/00 /02 FM/MW/LW
5
3195 I12
T102 A2
T103 A2
T105 E2
T106 E2
T109 B6
4109 C3
3132 H5
2148 D12
12 13 14
2153 E5
3144 G8
3145 F8
3152 H14
5121 E11
5122 H5
Frame Aerial only
LW only
USA ... for USA version only
blue
DATA
CLOCK
STEREO
2166 D12
2167 E12
2169 G8
10 11
2188 I12
2189 I13
0.7V
6105-1 B4
6105-2 G6
6106 B4
6120 B13
6130 D5
3156 C12
2197 H11
H
I
1105 A1
1121 F14
C
3106 B2
3107 C3
3108 D2
3176 G7
3180 I3
7
/14 FM-OIRT/MW
152 kHz, 50mVpp
3.9V-LW
3.5V
2120 H6
2108 F3
2131 F8
2132 F8
2133 F8
2125 H6
2126 E7
2136 H14
2137 H14
5105
3196 I10
4101 E2
4102 E2
4104 I5
4105 A9
3128 I4
2147 E12
11
T120 E14
T121 E14
T122 E14
T123 E14
2155 D5
2159 F6
2161 C11
3153 H14
3155 F12
LW only
MW
7 8
RIGHT
E_EU ... for East European version only
1 7 8 9
T140 F12
T141 F10
12 13
2190 G12
VCC
ENABLE/MPX
0V
2V
0.8V
2196 H12
G
1.3V
2101 A3
2103 C7
T142 F10
Hz
to/from
HN1V02H
E
F
3109 D3
3113 B9
LW=HIGH
3156
2107 F4
T127 F14
D
2122 I6
2109 F3
2110 B3
2111 B3
2112 B9
2119 H6
1 2
2138 F9
MW=HIGH
5104
3119 A9
3123 H3
3125 H3
2146 D13
10 3 4 5 6 9
2124 I6
T118 F12
T125 F14
T126 F14
2163 D11
2164 F10
/06 JAPAN
J ... for JAPAN version only
5V
5.2V
1122 E14
T124 G14
2 3 4 5 6
LW
7111
14
2191 H11
2192 G12
2193 G11
2194 G11
2195 G10
A
B
C
D
E
F
1V
T128 C7
T117 G10
2123 I6
G
H
LW ... for LW version only
LW frame ... for LW version with frame aerial only
red
2104 A3
2106 B4
2139 G9
2140 G10
2141 F10
2144 F12
2145 E11
1
2
3
4
5
2104
100p
1122
33n
560p E_EU
2152
22u
2191
5131
5130
11p
3186
180R
2155
T114
2153
15p
2p2
J
3191
4K7
3188
2K2
12p E_EU
2120
22p_LW
18p
BC857C
7103
3189
22K
HN1V02H
6105-1
1
2 7
2149
3195
470K
T115
33p
33K
3176
T110
3190
10K
T111
3103
8K2
47R
3166
7102
BF550
3123
4K7
7183
2197
10n
BC847C
3n3
2122
2K2
2124
*
22n
2119
10p
p
3128
1n
2166
2187
10n
2193
1n
22u
2195
7182
BC847C
T113
10K
3180
BC847C
7181
BAV99
T109
3104
330R
6181
BAS216
6182
8
10n
2188
7P
5114
1
2
3
4
6
7
1
VCC1 7
VCC2
22
9 VCO
VDD
23
38
VSTABA
VSTABB
34
29
WRITE-EN
25
FM-RF 3
I-TUNE 8
IF-GND
17 14
LEFT LPF
12
24
MPX-IN 11
MUTE
13
P0
30
P1
31
PILOT
16
RF-GND1
4
RF-GND2
42
15
RIGHT
RIPPLE
41
AM-IF2
36
AM-MIXOUT
40
AM-OSC
6
2
AM-RF
27
CLOCK
28
DATA
DIG-GND
26
FIELDSTR-IND
21
FM-DEMOD
18
FM-IF1-IN
37
FM-IF2
35
33 FM-IF2-IN
FM-IN
43 39
FM-MIXOUT
FM-OSC 5
TEA5757H
7101
AF-OUT 10
AFC+
20
AFC-
19
AGC
44
AM-AFC 32
AM-IF1-IN
2101
C-PAD
6130
47p
22u
2190
1SV228
4102
*
330k_LW
*
4101
1
2
3 4
6
7 8
3196
10K
2126
7PA
5103
1
2
3
4
330p
10p
2109
1121
2K2
3108
2110 100p
3 4
6
7 8
3187
1K
3194
100K
5122
1
2
3107
4M7
7105
BC337-40
BC857B
7109
7124
BC847C
33K
3101
3102
100K
2123 390p
1n
*
4104
2103
6131
1SV228
3125
10K
T128
10n
2196
1n
2194
1n
2192
7180
BC857B
2186
220u
220n 2189
100n
3192
1M
3193
2K2
2165
7P
1
2
3 4
6
7 8
T112
5112
T117
22R
560p
3106
4109
2125
T125
BC337-40
7104
20p_LW frame
2106 11p
100p 2108
33p
2111
4110
*
T103
T106
3109
2K2
T123
T121
T127
3137
15K
BC847C
7122
2169
2n2
220p
2146
100n
6183
BZX284-C11
USA
3181
8K2
p
2161
100n
2163
LW
BAV99
6103
5110
G
2
I
1
O
3
3156
1
2
3 4
6
7 8
100K
2128
10u
5123
3
4
6
7 8
5111
1
2
5109
G
2
1
I
3
O
RT-01T
1105
3134
22K
T140
T142 T141
T118
3132
47R
22K
3161
2159
33p
3167
47R
T124
BAS216
p
3159
470R
3153
470R
6106
2127
220n
100n
2150
3169
T102
T105
150K
2137
220n
T120
T122
3144
1K
3113
T126
3143
22K
J
1K
220p
2167
12p
2145
J
100p
2112
J
BFS20
7119
470n
2131
1u
2107
BAS216
6120
100K
3157
7111
BC847C
82p
2140
2138
2u2
3170
100K
3142
56K
3141
100K
3
6
2164
470n
2141
6105-2
HN1V02H
5
100n
2K2
3145
2144
470n
T116
4105
3155
47R
3119
3152
470R
3160
470R
J
330R
470R
2130
470n
3158
100u
2147 220p
2134
22n_USA
15n
2129
470n
2132
15p
22n_USA
2135
15n
2136
2139
6
7 8
2133
1u
220n
5102
7KL
1
2
3 4
5
3105
2n2
2148
220R
6
7 8
5121
DT-381 75K
5119
1
2
3
4
VDD
MPX
P1
Vref
P01
P0
VCC1
VCC2
VDD
P1
VCC1
VDD
P01
P0
P0
VDD
VCC1
MPX
P0
Vref
VCC2
TUNER BOARD - CIRCUIT DIAGRAM