Cenelec Tuner Circuit - Philips FW-C355 Service Manual

CENELEC TUNER CIRCUIT

1 2 3
TUNER BOARD ECO6
/ SYSTEMS-CENELEC
USA
1101
YKD21
A USA
2105
1130
3
100n
C-PAD
2
1
A
1110
YKD31-0432
1102
FM FRONTEND
1
1
MIXER
FM 75 OHM
0V
B
ANT
2
OSC-OUT
VCC
GND
3 4
6 5
2 9 10
C
3195
100R
LW only
D
0V
3108
0V 7104
0.7V BC337-40
2K2
P01 LW =HIGH
MW/LW-RF
E
AM FRAME AERIAL
MW
5102
1103
8 7
2 4101 * 6 1
1 5 2
XH-S
4 3
7KL
*
F
B
LW
5103
3
4
2
1
6
8 7
G
VDD VDD
8.3V
7.5V
H
P0 3125
8V BC857B
P01
6.7V 7109
10K
3128
0V
LW=HIGH 0V
7.4V 0.7V
2K2
I
marked components not for LW version
...V
...V
LEGEND
* ... only assembled in FM/AM-version
EVM
V ...V
p ...for provision only
voltages measured while
USA ... for USA version only
LW ... for LW version only set is tuned to a strong
transmitter
1 2 3
11-11
4 5 6
FE450
3190 3191
7 0V
120R 120R
IF-OUT
8 0.1V
D
3194
2K2
+FM
C
3105
220R
VCO
6105-1 2 3142
1
7
3141
HN1V02H
56K
100K
1
4
5
6105
1 8
2 7
3
LW only
3 6
7105
BC337-40 4 5
0.7V HN1V02H
0.1V
RDS only
AM-OSCILLATOR
P0
MW
5123
4 3
2
6 1
8 7
LW
7122 5122
0V
0V 4 3
BC847C
0V
2
7124
BC847C
6 1
8 7
FM mode stereo
MW mode
LW mode
4 5 6
7 8 9 10
AM-IF1
5111 450kHz
4 3
2
2150
6 1
100n
8 7
FM-IF1 FM-IF2
5109
5110
1 3 3
I O O
2128
G 2 2
10u AM_FM
7101
TEA5762 44 43 42 41 40 39 38 37 36 35
2165
AM DET
100n
2129 2V
AM-IF
1 RIPPLE
AGC
FM
100u
AM AM
IF1
2
0V AM-RF
FRONTEND MIXER
CTRL
3 FM-GND FM
AM
AGC
AM
IF IF2
OSC
4 RF-GND1
AGC
CONTROL
5
0.1V FM-OSC
PRE- MULTI-
SCALER PLEXER
0V 6 AM-OSC
AGC
VSTABA VSTABB
RIPPLE
VDD
7
7.8V VCC1
VCC1
8.2V STABILIZER
AGC AM
1.6-8V 8 I-TUNE DET
CHARGE
1-8V PUMP
FM
1V 9 VCO
XTAL
DET
1.3V
VCC2 OSC
10
0.7V AF-OUT
3135
11
MPX-IN STEREO
1.2V
AFC
1K DECODER
VCC2
5115
6
12 13 14 15 16 17 18 19 20 21
8
7
VCC2
2 1
BIRDY FILTER
470n
2164
2
VCC1
5119
4 3
3144 2169 MPX
1.3V
2
1K to 1120
2n2
3176 pin 5
0.7V BC857C 1
7103
6
33K
8 7
MPX
DISCRIMINATOR
BUFFER AMPLIFIER
0.7V 3137 P0
0.1V 22K
MW=HIGH
7 8 9 10
11-11
11 12 13
VERSION PROGRAMMING COMPONENTS
VERSION
6120 3156 3157
/00 /02 FM/MW/LW
AM-IF2
/00 /02 FM/MW
5112 450kHz
3 4
/01 FM/MW
2
1 6
/14 FM-OIRT/MW
8
7P 7
/17 FM/AM
1
I
AM-AFC
component mounted
5114 450kHz
G
3 4
2
VERSION DETECTION
1 6
34
7 8
7P P1 6120
1.2V
BAS216
0.7V
FM-IF2-IN 33
P1
0.2V
32 0V
AM-AFC 7111
1.4V BC847C
P0
P1 31 7.5V
7.5V
P0 30
0.1V
3161
29
WRITE-EN 0V
22K
0V 3160
DATA 28
470R
5V
3159
27 0V
CLOCK
3169 2166 470R
26
DIG-GND
150K 1n
0V
5121
2167 stereo
25 1.4V
12p
DT-381 75 kHz
24 stereo 0.2V
MONO/
mono 4.8V
STEREO
23
VDD 3158
8.2V
STEREO
8.3V
470R
0V CLOCK
7.5V
0V DATA
VDD
from 0V
ENABLE/MPX
22
MPX
2169
7.8V 3168 3167
12Vtyp
VCC
VCC1
(10-14V)
120R 120R
8.2V
RIGHT
8.2V
11V 3154
VCC2
330R
12V
9.6V
7112
BC547C
3155
8.2V
VDD
8.3V 150R
7.5V
8.9V
8.9V
+FM
8.2V
AM_FM
from 7101/39
NOTE : ORIGINAL SCHEMATIC FROM ICAP VIENNA
PLEASE REFER TO 3103 308 6424
3139 118 55160 ...91660 dd wk203
11 12 13
14 AM G13 5118 G9
FM G13 5119 G9
1101 A2 5121 E11
1102 B1 5122 H5
1103 E2 5123 G5
1110 B2 6105-1 E4
1130 A2 6105-2 G6
1131 C1 6106 D4
1132 F13 6107 G13
3170 7111
2102 B2 6120 C13
2105 A2 7101 B8
A
2106 E3 7103 G8
2107 E4 7104 D2
2108 G3 7105 F4
2109 G3 7109 H3
2118 G6 7110 H12
2119 H6 7111 C13
2120 G6 7112 G12
2122 I6 7122 H4
2123 H6 7124 H7
2124 H6 TU_+12V F14
2125 H6 TU_CLK E14
B
2127 E7 TU_DATA E14
2128 B8 TU_EN F14
2129 C7 TU_EN1 F14
2130 F11 TU_GND F14
2131 F8 TU_LEFT F14
2132 F8 TU_LEFT1 F14
2133 F8 TU_RIGHT F14
2134 I8 TU_ST E14
2135 I9
2136 H14
2137 H13
2138 F9
C
2139 G9
2140 G9
2141 F10
2143 G12
2144 G11
2145 E11
2146 E12
2147 E12
2148 E12
2149 H7
2150 A10
D 2159 D5
2161 C11
2162 H12
152 kHz, 50mVpp
2163 D11
2164 F10
2165 C7
2166 D12
2167 E12
mono stereo 2169 G8
2180 C4
3
2190 C3
2191 C3
stereo 0.4V
E
mono 4.8V 3105 D5
3108 D2
TU_ST
3109 G4
3123 H3
TU_CLK
3125 H2
3128 H3
TU_DATA
3130 I8
TU_EN TU_EN1 3131 I9
3132 G4
TU_+12V
3134 H6
3135 E7
TU_RIGHT
3137 H7
F
TU_GND
3141 E7
GND
3142 E6
TU_LEFT TU_LEFT1
LEFT
3143 G7
3144 G8
3145 F8
3146 G13
3150 H12
4 3151 H12
3152 G14
3153 G13
3154 F13
G 3155 G11
3156 C12
3157 C12
3158 E13
3159 D13
3160 D13
3161 D13
3167 F12
3168 F11
3169 D11
3170 C12
3171 G12
H
3172 G12
3176 G7
3180 I3
3190 B6
3191 B7
3192 B6
3193 B4
3194 C4
3195 C4
4101 E2
4102 F3
4104 H5
I
5102 E3
5103 F2
5109 B9
5110 B10
5111 A9
5112 A11
5114 B11
5115 F7
14