Circuit Diagram - Philips MCM390 Service Manual

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CIRCUIT DIAGRAM - ECO6 SYSTEM CENELEC BOARD
1 2 3
TUNER BOARD ECO6
/ SYSTEMS-CENELEC
A
1101 USA
2105 USA
3
100n 1130
2
C-PAD
1
YKD21
A
FM 75 OHM
1110 FM FRONTEND
1102
T102 0V 1
B
1
MIXER
IF-OUT
ANT
YKD31- 2
0432
GND VCC
1131
T103
2 3 4 6 5 9 10
C-PAD
C
T107
3195
+FM
100R
D
LW only
0V
3108
0V 7104
0.7V BC337-40
2K2
P01 LW =HIGH
MW/LW-RF
E
AM FRAME AERIAL
MW
5102
1103
8 7
T105
6 1
2 T106 4101
*
1 5 2
0R
XH-S
4 3
7KL
*
F
B
5103 LW
3 BC337-40
4
2
1
6
8 7
G
VDD VDD
H
8.3V
7.5V
P0 3125
8V BC857B 7122
P01
6.7V 7109 BC847C
10K
3128 0V
LW=HIGH 0V
7.4V
0.7V
2K2
I
marked components not for LW version
1 2 3
8 - 1
4 5 6 7
FE450
3190 T104 3191
7 0V
120R 120R
8
0.1V
OSC.
D
OUT
C
T109
3105
220R
T110
VCC1
6105-1 VCO 3142
2
1
T111
7
3141
HN1V02H
56K
100K
1
5115
4
T112
5
6105
3
1 8
2 7
LW only
BIRDY FILTER
3 6
7105
4 5
0.7V HN1V02H
0.1V
RDS only
AM-OSCILLATOR
P0
5123 MW
4 3
3176
2
33K
6 1
8 7
5122 LW
0V 4 3 0V
0V 0.7V
2
7124
BC847C
0.1V
6 1
8 7
4 5 6 7
LEGEND
* ... only assembled in FM/AM-version
p ...for provision only
USA ... for USA version only
LW ... for LW version only
8 9 10
AM-IF1
5111 450kHz
4 3
T113
2
2150
6 1
100n
8 7
T115
FM-IF1 FM-IF2
5109 5110
1 3 1 3
I O I O
2128
G 2 G 2
AM/FM
10u
7101
TEA5762 44 43 42 41 40 39 38 37 36 35 34
2165
AM DET
100n
2V
2129
AM-IF
1
RIPPLE FM-IF2-IN
AGC
FM
100u
AM AM
0V 2 IF1
AM-RF
FRONTEND MIXER
CTRL
3 FM-GND FM
AM
AGC
AM
IF IF2
OSC
4
RF-GND1
AGC
CONTROL
0.1V 5 FM-OSC WRITE-EN
PRE- MULTI-
SCALER PLEXER
0V 6
AM-OSC DATA
AGC
VSTABA VSTABB
RIPPLE
VDD
7
7.8V VCC1
STABILIZER
8.2V
AGC AM
1.6-8V 8 I-TUNE DET
CHARGE DIG-GND
1-8V PUMP
FM
9
1V VCO XTAL
DET
1.3V VCC2 OSC
0.7V
10 AF-OUT
MONO/
STEREO
2127
11
MPX-IN STEREO
VDD
1.2V AFC
220n DECODER
VCC2
6
8
7
12 13 14 15 16 17 18 19 20 21 22
2 1
VCC2
470n
2164
2
VCC1
5119
4 3
3144 2169 MPX
1.3V
2
1K 2n2 to 1120
0.7V pin 5 1
BC857C
7103
6
8 7
MPX
DISCRIMINATOR
BUFFER AMPLIFIER
3137 P0
22K MW=HIGH
8 9 10
...V FM mode stereo
SMD jumper
...V MW mode
41xx
V EVM ...V LW mode
0R
voltages measured while
set is tuned to a strong transmitter
8 - 1
11 12 13
VERSION PROGRAMMING COMPONENTS
VERSION
6120 3156 3157
/00 /02 FM/MW/LW
/00 /02 FM/MW
AM-IF2
5112 450kHz
3 4 /01 FM/MW
T114
2
/14 FM-OIRT/MW
1 6
/17 FM/AM
7 8
7P
component mounted
AM-AFC
5114 450kHz
3 4
2
1 6
VERSION DETECTION
7 8 6120
7P P1
1.2V
BAS216
0.7V
33
P1 0.2V
32 0V
AM-AFC 7111
1.4V BC847C
P0
P1 31 7.5V
30 7.5V
P0
0.1V
3161
29 0V
22K
3160
28 0V
470R
0V 3159
27
CLOCK
152kHz, 50mV pp
5V
3169 2166 470R
26
150K 1n
0V
5121
2167 stereo mono
25 1.4V
12p 3
DT-381 75 kHz
stereo 0.2V
24
mono 4.8V
23
T123
3158
8.2V
STEREO
8.3V
470R T122
0V CLOCK
7.5V
T121
0V
DATA
VDD
T120
from 0V
ENABLE/MPX
MPX
2169
T140 3168 3167 T127
7.8V 12Vtyp
VCC
VCC1
(10-14V)
T126
8.2V 120R 120R
RIGHT
8.2V
T125
GND
LEFT
T117 3154
11V
VCC2
330R
T124
12V
9.6V
7112
BC547C
T118 3155
8.2V
VDD
8.3V 150R
7.5V
8.9V
8.9V
+FM
8.2V
AM/FM
from 7101/39
11 12 13
Signal path
FM
AM
MPX (Audio Frequency)
AF - left/right
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14 1101 A2 6106 D4
1102 B1 6107 G13
1103 E2 6120 C13
1110 B2 7101 C8
1120 E14 7103 H8
1130 A2 7104 D2
1131 C2 7105 F4
3170 7111 1132 F13 7109 H3
2102 B1 7110 H12
A
2105 A2 7111 C13
2106 E3 7112 G12
2107 E4 7122 H4
2108 G3 7124 H7
2109 G3 T102 B2
2118 H6 T103 B2
2119 H6 T104 B6
2120 H6 T105 E2
2122 I6 T106 E2
2123 H6 T107 C3
2124 H6 T109 D5
2125 H6 T110 D5
B
2127 E7 T111 E5
2128 B8 T112 F7
2129 C7 T113 A9
2130 F11 T114 B11
2131 F8 T116 F10
2132 F8 T117 F13
2133 F8 T118 G11
2134 I8 T120 F13
2135 I9 T121 F13
2136 H14 T122 E13
2137 H13 T123 E13
C 2138 F9 T124 G14
2139 G9 T125 F14
2140 G9 T126 F13
2141 F10 T127 F13
2143 G12 T140 F11
2144 G11 T141 F10
2145 E11 T142 F10
2146 E12
2147 E12
2148 E12
2149 H7
2150 A10
D
2159 D5
2161 C11
2162 H12
2163 D11
2164 G10
2165 C7
2166 E11
2167 E11
2169 G8
2190 C3
stereo
2191 C3
3105 D5
E
3108 D2
stereo 0.4V
3109 G4
mono 4.8V
3123 H3
1120
3125 H2
3128 H3
8
3132 G4
3134 H6
7
3137 H7
6 3141 E7
3142 E6
5
3143 G7
3144 G8
F
4
3145 F8
3 3146 G13
3150 H12
2
3151 H12
3152 G14
1
3153 G13
FE-BT-VK-N
3154 F13
3155 G12
3156 C12
4
3157 D12
3158 E13
G
3159 D13
3160 D13
3161 D13
3167 F12
3168 F11
3169 E11
3170 D12
3171 G12
3172 G12
3176 H7
3180 I3
3190 B6
H
3191 B7
3192 B6
3193 B4
3194 C4
3195 C3
4101 E2
4102 F3
4104 H5
5102 E3
5103 F2
5109 B9
5110 B10
I
5111 A9
5112 A11
5114 B11
5115 E7
5119 G9
5121 E11
5122 H5
5123 G5
ECO6 Sys-Cenelec, 000907
6105-1 E4
6105-2 G6
14