Combi Board - Philips AZ 1500 Service Manual

COMBI BOARD - CIRCUIT DIAGRAM
(TUNER PART)
1 2 3 4
TUNER BOARD ECO6
/PORTABLE AUDIO
FM
A
C-PAD
1105 2104
A
T102
RT-01T 100p
6103
BAV99
Printed
T103
B
AM-RF
Ferrite Antenna only
blue
C
LW only
2110
MW 2111
100p
33p
5104
red
4109
D
5105
LW
3107 Vref
black
4M7
1.4V 0V
E 3108
0V
7104
0.7V BC337-40
2K2
P01
7105
LW= HIGH
BC337-40
0V
3109
P0
2K2 0.7V
MW= HIGH
0V
F
Frame Aerial only
AM FRAME AERIAL MW
5102 8 7 7KL
T105
G
6 1
T106 4101 *
5 2
4102
4 3
*
330k_LW
LW only
H
LW
5103 7PA
B 4 3
2 2108 2109
100p
10p
6 1
8 7
I
...V FM mode stereo
J
...V MW mode
LW only
V EVM ...V LW mode
VDD VDD
voltages measured while
set is tuned to a strong
K transmitter 4.1V
3123
4.0V
4K7
P0 3125
BC857B
3.9V 7109
10K
P01
3.3V
4.0V
LW= HIGH
L
LEGEND
* ... only assembled in FM/AM-version
p ...for provision only
USA ... for USA version only
M
LW ... for LW version only
LW frame ... for LW version with frame aerial only
E_EU ... for East European version only
J ... for J APAN version only
1 2 3 4
7 - 1
5 6 7 8 9
2101
47p
C
3105 T109
220R
FM-RF
0.6V
*
Q-multiplier
4110
7102
BF550
5131
6131
1SV228
3102
100K
FM-OSCILLATOR
6130
1SV228
3142
VCO
3101
33K
2152
33n
560p E_EU
1
T111
5
2107
T110
1u
6105 2159
33p
1 8
2 7
3
6
4 5
HN1V02H
AM-OSCILLATOR
3 6
6105-2
HN1V02H
5
5123 MW
4 3
3132
47R
2
2120
18p
6 1
22p_LW
8 7
p
2125 3134
2119
22K
560p
10p
5122 LW
0V
0V 4 3
*
3128 *
0V 2
7122
2123 2124
BC847C
2K2 0.7V 390p 22n BC847C
6 1
8 7
3180 2122
10K
3n3
5 6 7 8
10 11 12 13
AM-IF1
5111 450kHz
3
4
T113
2
3104
T115
1
6
330R
J
8 7 3119
FM-IF1
4105 330R
5109
1 3
I O
J
7119
2
G
BFS20
J
J
3113
2112
1K
100p
2128
10u
2V
Vref 7101
TEA5757H
3103
8K2
2165
100n
2129
100u
2103
0V 1n
44 43 42 41 40 39 38 ? 36 35 ?
T128
AM DET
2V
Printed
1 RIPPLE
AM-IF
D AGC
FM
0V 2 AM-RF AM AM
IF1
FRONTEND MIXER
Printed CTRL
3 FM-RF
0V AGC
AM
AM IF
4 RF-GND1
FM OSC
FRONTEND
FM
0V 5 FM-OSC
FM
IF2
FM
MIXER
OSC VSA
6 AM-OSC
0V VSB
VDD AGC
VCC1 RIPPLE
3.5V 3.5V 7 VCC1
STABILIZ ER
AM
8 I-TUNE
4.5V-8V CHARGE
DET
3141
PUMP
1V-8V AGC
9 VCO
1V
FM
56K
100K VCC2
1.3V DET
10 AF-OUT
0.7V
11 MPX-IN STEREO
2127
VDD
1.2V DECODER
VCC2
AFC
220n
2126
330p
12 13 14 15 16 17 18 19 20 21 22
T112
T141
2132
470n
2133 2164
2131
1u
470n
470n
3145
2K2
2139
15p
RDS only
DISCRIMINATOR
5119
VCC1
4
3
3143 2 2140
3176
33K 22K
82p
1
6
MPX
3144 2169
1.3V
8 7
1K
2n2 to 1122
0.7V pin 2
7103
BC857C
2149
MPX
33p
BUFFER AMPLIFIER
0V
0.1V 3137 P0
7124
0.7V 15K MW= HIGH
2134
2135
15n
15n
22n_USA
22n_USA
9 10 11 12 13
7 - 1
14 15 16 17
VERSION PROGRAMMING COMPONETS
VERSION
2150
/00 /02 FM/MW/LW
100n
AM-IF2
/00 /02 FM/MW
5112
450kHz
/01 FM/MW
3 4
T114 /14 FM-OIRT/MW
2
FM-IF2 /17 FM/AM
1 6
5110
/06 J APAN
7 8
1 3 7P
I O
G 2
AM-AFC
5114 VERSION DETECTION
450kHz
3
4
P1 6120
2
1 BAS216
6
3156
7 8
100K
7P
P1
3170 3157
p
100K 100K
2161
100n
P0
LW
1V
2163
FM-IF2I ? 0.7V
100n
AM-AFC 32 1.4V
3161
P1 31 4.3V
22K
3160
P0 30 3.4V
WR-EN ? 0V 470R
3159
DATA 28 0V
2166
3169
470R
CLCK ? 0V
2148 2146
150K
1n
2147
2n2 220p
DIG-GND 26
5121
2167 220p
XTAL XT 25 1.4V
12p
OSC 75K Hz
DT-381
24 stereo 0.2V
MONO/
STEREO
mono 4.8V
23
4.7V
2145
220p
from 2169
VDD
T118
3155
4.7V
VDD
4.1V
47R
2144
3.9V-LW
T116
T142 470n
VCC2
T140 3167
3166
3.5V
2141
VCC1
100n 3.4V
11.4V 47R 47R
2130
VCC2
470n
VOLTAGE MULTIPLIER
2190
2
22u
T117 6182
6181
BAV99
BAS216
2194 2193 2192
1n 7V 1n 7.5V 1n
2191
22u
3188
2K2 OSCILLATOR
2196
5.2V 10n
7180
3189 BC857B
0V 0.1V
7183
2197
6183
BC847C
10n 22K
3187
2187
3190
1K
10n
10K
4.8V
3191 3192
4.8V
4K7 1M
0.1V 0.1V
7181
BC847C
7182
0.5V
BC847C
0.5V
3193
2188 3195
2K2
3196
470K
10n
10K
3194
2189
100K
220n
14 15 16 17
18 19 2 0 1105 A2 4 104 L7
112 1 H2 0 4 105 B12
112 2 G2 0 4 109 D5
2 101 B5 4 110 D5
2 103 D9 5102 G4
2 104 A4 5103 H3
5109 B13
2 106 C5
2 107 H6 5110 B14
2 108 H4 5111 A11
A
2 109 H4 5112 B16
6120 3156 3157 3170 7111
2 110 C4 5114 C16
5119 J 13
2 111 C4
2 112 C13 512 1 F16
2 119 K8 512 2 L7
2 12 0 K8 512 3 J 7
2 12 2 L8 5130 G8
5131 E9
2 12 3 L8
B 6 103 B4
2 12 4 L8
2 12 5 K8 6 105-1 C6
2 12 6 G10 6 105-2 J 8
2 12 7 G10 6 106 C6
component mounted
2 12 8 C11 6 12 0 C18
2 12 9 D10 6 130 F7
2 130 I17 6 131 E7
2 131 I11 6 18 1 J 16
2 132 H11 6 18 2 J 15
C
2 133 I12 6 18 3 K14
2 134 M12 7 101 C11
2 135 M12 7 102 D9
2 136 K2 0 7 103 K10
2 137 K19 7 104 E4
2 138 H12 7 105 E4
2 139 I13 7 109 K5
7111 7 111 D18
2 14 0 J 14
D
2 14 1 I14 7 119 B12
BC847C
2 14 4 H17 7 12 2 L6
2 14 5 G16 7 12 4 L9
2 14 6 F18 7 18 0 K18
7 18 1 L18
2 14 7 F17
7 18 2 L15
2 14 8 F17
2 14 9 K10 7 18 3 K16
2 150 A14 T102 A2
E
2 152 G6 T103 B2
T105 G2
2 153 G7
T106 G2
2 155 E8
2 159 H9 T109 C9
152 kHz, 50mVpp
2 16 1 D16 T110 H7
5V
2 16 3 E16 T111 H6
2 16 4 I14 T112 H9
T113 A12
2 16 5 D10
2 16 6 F16 T114 B15
F
0V 2 16 7 F16 T115 A11
stereo mono stereo
2 16 9 J 11 T116 H14
2 18 6 K19 T117 J 15
3
2 18 7 K17 T118 H17
stereo 0.3V
2 18 8 M17 T12 0 G19
mono 4.8V
1122 2 18 9 M18 T12 1 G19
3158 T123
2 19 0 I16 T12 2 G19
STEREO
2 19 1 J 16 T12 3 G19
5
T122
470R G
0V
CLOCK 2 19 2 J 16 T12 4 J 19
T12 5 I19
T121 4 2 19 3 J 16
0V DATA
2 19 4 J 15 T12 6 I19
T120 3
2 19 5 J 14 T12 7 H19
ENABLE/MPX
MPX
2 19 6 K16 T12 8 E10
0V
2
2 19 7 K15 T14 0 H17
T14 1 H13
1 3101 G6
T14 2 H14
3102 E6
H 3103 D9
3104 A10
3105 C8
5.4V typ.
1121 3106 C3
T127
3107 D4
(5V-12V)
VCC
3108 E3
T126 4
RIGHT 3109 F4
3186 3113 B12
T125 3
GND
180R 3119 A13
I
2
312 3 K4
LEFT
312 5 K3
1
312 8 L5
3132 K7
T124 3134 K9
3137 L10
4
314 1 F10
314 2 F9
J
314 3 J 10
314 4 J 11
314 5 I12
3152 K2 0
3153 K19
2136 3155 H17
220n 3156 D18
3157 D18
K
3158 G18
5.4V
3159 F18
316 0 F17
3153 3152 316 1 E18
470R 470R 316 6 H18
316 7 H17
316 9 F16
317 0 D17
317 6 J 9
L
318 0 L5
318 1 G8
318 6 I19
318 7 K18
318 8 K17
318 9 K17
319 0 K17
319 1 L17
M
319 2 L18
319 3 M18
319 4 M18
319 5 M18
319 6 M15
4 101 G3
4 102 G3
18 19 2 0