Philips AZ1060 Service Manual page 22

TUNER BOARD ECO6 - CIRCUIT DIAGRAM
1 2 3
TUNER BOARD ECO6 /
PORTABLE AUDIO
FM
C-PAD
1105 2104
A
A
T102 100p
RT-01T
6103
Printed
BAV99
T103
AM-RF
Ferrite Antenna only
B
blue
LW only
5104
MW
red
B 5105
C
LW
3107 Vref
black
4M7
1.4V 0V
3108
0V
7104
BC337-40
2K2 0.7V
P01
7105
LW=HIGH
BC337-40
D
0V
3109
P0
2K2 0.7V
MW=HIGH
0V
Frame Aerial only
MW
AM FRAME AERIAL
5102 8 7 7KL
E
T105
6 1
T106 4101 *
5 2
0R 4102
4 3
0R *
330k LW
LW only
LW
5103
7PA
4 3
B
F
2
6 1
8 7
G
LW only
VDD VDD
4.1V
4.0V
H
P0 3125
BC857B
3.9V 7109
10K
P01
3.3V
0V
4.0V
LW=HIGH
I
1 2 3
PCS 107 127
9-1
4 5 6
C
3105 T109
220R
FM-RF
0.6V
*
Q-multiplier
7102
BF550
0V
5131
6131
1SV228
Printed
3102
100K
Printed
FM-OSCILLATOR
6130
1SV228
3142
VCO
3101
33K
1
T111
5
T110
6105
1 8
2 7
3 6
4 5
HN1V02H
AM-OSCILLATOR
6
3
5
5123 MW
4 3
2
6 1
8 7
5122 LW
0V 3
0V
* *
3128
0V 2
7122
7124
0.7V BC847C
2K2 BC847C
6 1
8 7
4 5 6
LEGEND
* ... only assembled in FM/AM-version E_EU ... for East European version only
p ...for provision only J ... for Japanese version only
USA ... for USA version only
LW ... for LW version only
LW frame ... for LW version with frame aerial only
7 8 9 10
AM-IF1
5111 450kHz
4 3
2
T113
2150
6 1
100n
8 7
FM-IF1
T115 4105
5109
0R 1 3
I O
G 2
J
7119
BFS20
IF-AMP.
2V
Vref 7101
TEA5757H
J 44 43 42 41 40 39 38 37 36
TEA5759H
2165
100n
AM DET
2V
2129
1 AM-IF
RIPPLE
AGC
FM
100u
AM AM
IF1
2 AM-RF
0V
FRONTEND MIXER
CTRL
T128
0V 3 FM-RF
AM FM
AGC
AM
IF IF2
OSC
4 RF-GND1
FM
D
FRONTEND
FM
AGC
5 FM-OSC MIXER
0V CONTROL
FM
OSC PRE- MULTI-
SCALER PLEXER
0V 6 AM-OSC
AGC
RIPPLE VSTABA VSTABB
VCC1
VDD
7 VCC1
3.5V
3.5V STABILIZER
AGC AM
8 I-TUNE DET
4.5V-8V
CHARGE
1V-8V PUMP
3141 FM
9 VCO
1V
DET
1.3V
VCC2
56K
100K
10 AF-OUT
0.7V
2127
1.2V 11 MPX-IN
STEREO
AFC
220n
DECODER
12 13 14 15 16 17 18 19 20
2164
470n
2
RDS only 5119
4
3
VCC1
2
1
6
8 7
MPX
3144 2169
1.3V
DISCRIMINATOR
1K 2n2 to 1122
pin 2
0.7V
7103
5V
BC857C
MPX
BUFFER AMPLIFIER
0V
TB=10ms
0.1V 3137
P0
0.7V 15K MW=HIGH
7 8 9 10
...V FM mode stereo
SMD jumper
...V MW mode
41xx
0R V EVM ...V LW mode
voltages measured while
set is tuned to a strong transmitter
9-1
11 12 13
VERSION PROGRAMMING COMPONENTS
VERSION
6120 3156
/00 /02 FM/MW/LW
AM-IF2
/00 /02 FM/MW
5112 450kHz
3 4 /01 FM/MW
T114
2
/14 FM-OIRT/MW
1
FM-IF2 6 /17 FM/AM
5110
7 8 /06 FM-Japan/AM
7P
I 1 O 3
component mounted
2
G
AM-AFC
5114 450kHz VERSION DETECTION
3 4
P1 6120
2
35 34 1 6 BAS216
7111
7 8 BC847C
7P
1V
0.7V
33
FM-IF2-IN
P1
AM-AFC 32
1.4V
P0
P1 31
4.3V
P0 30 3.4V
3161
WRITE-EN 29 0V
22K
3160
DATA 28 0V
470R
3159
CLOCK 27 0V
3169 2166
470R
DIG-GND 26
150K
1n
5121
2167
25 1.4V
XTAL
OSC 12p
DT-381 75K Hz
3158
24 stereo 0.2V
MONO/
STEREO mono 4.8V
470R
23
VDD
4.7V
VCC2
MPX
from 2169
VDD
T118
3155
4.7V
21 22
VDD
4.1V
47R
3.9V
VCC2
5.4V typ.
T140
3167 3166
(5V-12V)
3.5V
VCC1
3.4V
11.4V 47R
47R
VCC2
VOLTAGE MULTIPLIER
2190
22u
T117 6182
6181
BAV99 5V
BAS216
2194 2193 2192
7V 7.5V 0V
1n 1n 1n
TB=10ms
3188
2K2
OSCILLATOR
5.2V
7180
3189 BC857B
0V 0.1V 5.4V
7183
BC847C
22K
4.8V
4.8V
0.1V 0.1V
7181
BC847C
7182
0.5V
BC847C
0.5V
11 12 13
Signal path
FM
AM
MPX (Audio Frequency)
AF - left/right
14
1105 A1 5114 B11
1121 F14 5119 G9
1122 E14 5121 E11
2101 A3 5122 H5
2103 C7 5123 G5
2104 A3 5130 E6
2106 B4 5131 C6
2107 F4 6103 A3
2108 F3 6105-1 B4
3157 3170 7111
2109 F3 6105-2 G6
2110 B2 6106 B4
2111 B3 6120 B13
A
2112 A9 6130 D5
2119 H6 6131 C5
2120 H6 6181 G12
2122 I6 6182 G11
2123 I6 6183 H10
2124 I6 7101 B8
2125 H6 7102 C7
2126 E7 7103 H7
2127 E7 7104 D3
2128 B8 7105 D3
2129 C7 7109 H3
2130 F12 7111 C13
2131 F8 7119 B9
B
2132 F8 7122 I4
2133 F8 7124 I7
2134 I9 7180 H13
2135 I9 7181 I13
2136 H14 7182 I11
2137 H13 7183 H11
2138 F9 T102 A2
2139 G9 T103 A3
2140 G10 T105 E2
2141 F10 T106 E2
2144 F12 T109 B6
2145 E11 T110 F5
2146 D13 T111 F4
C
2147 E12 T112 F7
2148 D12 T113 A9
2149 H7 T114 A10
2150 A10 T115 A8
2152 E4 T116 F10
2153 E5 T117 G10
2155 D5 T118 F12
2159 F6 T120 E14
2161 C11 T121 E14
2163 D11 T122 E14
2164 F10 T123 E14
2165 C7 T124 G14
D 2166 D12 T125 F14
152kHz, 50mV pp 2167 E12 T126 F14
5V
2169 G8 T127 F14
2186 H13 T128 C7
2187 H12 T140 F12
0V 2188 I12 T141 F10
stereo mono stereo
2189 I13 T142 F10
2190 G11
3 2191 G11
stereo 0.3V
2192 G12
mono 4.8V
2193 G11
1122
2194 G11
T123
5
STEREO 2195 G10
E 2196 H12
T122
0V 4
CLOCK
2197 H11
T121 3101 E4
0V DATA 3
3102 D4
T120
3103 C6
ENABLE/MPX 2
3104 A8
0V
1 3105 B6
3106 B2
3107 C3
3108 D2
3109 D3
3113 B9
3119 A9
F
1121 3123 H3
T127 3125 H2
VCC 4
3128 I3
T126
3132 H4
RIGHT 3
3134 H6
T125
2 3137 I7
GND
3141 E7
LEFT
1
3142 E7
3143 G7
3144 G8
3145 F8
T124 3152 H14
3153 H14
4
G
3155 F12
3156 C12
3157 C12
3158 E13
3159 D13
3160 D12
3161 D13
3166 F13
3167 F12
3169 D11
3170 C12
3176 G7
3180 I3
H
3181 E6
3186 F13
3187 H12
3188 H12
3189 H12
3190 H12
3191 I12
3192 I12
3193 I13
3194 I13
3195 I12
3196 I10
4101 E2
I
4102 E2
4104 I5
4105 A9
4109 C3
4110 C4
5102 E3
5103 F2
5109 A9
5110 B10
ECO6 PA, 000911 5111 A8
5112 A11
14