Philips FW-C355, Service Manual

CENELEC TUNER CIRCUIT

11-11

11-11

MIXER

varicap

FM FRONTEND

GND

PRE-

SCALER

MULTI-

PLEXER

VSTABA

AM-IF

MONO/

XTAL

AGC

CONTROL

OSC

AM DET

AM

OSC

AGC

VCC2

AGC

PUMP

AM

MIXER

DECODER

CHARGE

FM
IF1

FRONTEND

AM

VSTABB

DET

FM

CONTROL

FIL

TER

AM

IF

AM

DET

STEREO

STEREO

FM
IF2

RIPPLE

AGC

STABILIZER

AFC

VDD

CTRL

AGC

mono

7.5V

RDS only

MPX

BUFFER

1.3V

0V

0.8V

(10-14V)

AM-IF1

2V

VCO

8.3V

DATA

CLOCK

TUNER BOARD ECO6

STEREO

8.2V

RIGHT

ENABLE/MPX

E

F

G

H

I

AM G13
FM G13
1101 A2
1102 B1
1103 E2
1110 B2

AM-AFC

BIRDY FILTER

0.7V

450kHz

MW/LW-RF

from
2169

0V

8.2V

2V

0.2V

0V

AM-OSCILLATOR

LW=HIGH

LW

8

1V

LW

MW

8.2V

0V

1

2

3

4

5

6

7

8

9

10

11

FM-IF2

to/from 

0.7V

1.4V

1.1V

0V

stereo

0.2V

152 kHz, 50mVpp

kHz

HN1V02H

6105

component mounted

12

13

14

1

2

3

4

5

6

7

8

9

0.1V

1.1V

0V

0V

PR

OGR.

1V

1-8V

 OUTPUT POR

TS

1.4V

AM-IF2

GND

7.8V

/00 /02 FM/MW/LW

1.4V

10

11

12

13

14

A

B

C

D

E

F

G

H

I

A

B

C

D

7.8V

mono 4.8V

0V

0V

/00 /02 FM/MW

7111

FM 75 OHM

1

marked components not for LW version

from

DISCRIMINATOR

8.3V

1130 A2
1131 C1
1132 F13
2102 B2
2105 A2
2106 E3
2107 E4
2108 G3
2109 G3
2118 G6
2119 H6
2120 G6
2122 I6
2123 H6
2124 H6
2125 H6
2127 E7
2128 B8

7.5V

12V

/14 FM-OIRT/MW

/17 FM/AM

/ SYSTEMS-CENELEC

LW only

AM FRAME AERIAL

VERSION

stereo 0.4V

7101/39

1.2V

450kHz

0V

11V

8.2V

0.1V

9.6V

7.5V

7.4V

2129 C7
2130 F11
2131 F8
2132 F8
2133 F8
2134 I8
2135 I9
2136 H14
2137 H13

LW =HIGH

0V

stereo

AMPLIFIER

8.2V

8.9V

8.2V

VERSION PROGRAMMING COMPONENTS

0.1V

stereo 0.2V

2138 F9
2139 G9
2140 G9
2141 F10
2143 G12
2144 G11
2145 E11
2146 E12
2147 E12
2148 E12
2149 H7
2150 A10
2159 D5
2161 C11
2162 H12
2163 D11
2164 F10
2165 C7
2166 D12
2167 E12
2169 G8

7

6

VCC

VERSION DETECTION

1.3V

0.7V

mono 4.8V

5

4

3

2180 C4
2190 C3
2191 C3
3105 D5
3108 D2
3109 G4
3123 H3
3125 H2
3128 H3
3130 I8
3131 I9
3132 G4
3134 H6
3135 E7
3137 H7
3141 E7
3142 E6
3143 G7
3144 G8
3145 F8
3146 G13

MW=HIGH

1.4V

MW

0V

3150 H12
3151 H12
3152 G14
3153 G13
3154 F13
3155 G11
3156 C12
3157 C12
3158 E13
3159 D13
3160 D13
3161 D13
3167 F12
3168 F11
3169 D11
3170 C12
3171 G12
3172 G12
3176 G7
3180 I3
3190 B6
3191 B7
3192 B6
3193 B4
3194 C4
3195 C4
4101 E2
4102 F3

0.7V

0.7V

0V

9V

0.7V

0V

2

3170

8V

4104 H5
5102 E3
5103 F2
5109 B9
5110 B10
5111 A9
5112 A11
5114 B11
5115 F7

5118 G9
5119 G9
5121 E11
5122 H5
5123 G5
6105-1 E4
6105-2 G6
6106 D4
6107 G13
6120 C13
7101 B8
7103 G8
7104 D2
7105 F4

1V

11

V

0.6V

to 1120
pin 5

0.8V

0V

7.2V

0V

8.3V

7109 H3
7110 H12
7111 C13
7112 G12
7122 H4
7124 H7
TU_+12V F14
TU_CLK E14
TU_DATA E14
TU_EN F14
TU_EN1 F14
TU_GND F14
TU_LEFT F14
TU_LEFT1 F14
TU_RIGHT F14
TU_ST E14

6.7V

1.2V

MW=HIGH

FM-IF1

1.2V

0.7V

6120

3156

8.9V

3157

1.4V

0.7V

450kHz

/01 FM/MW

5V

1.1V

0.7V

LW only

0.1V

1.4V

0V

0.15V

1.6-8V

1.4V

0V

0V

7.5V

0.1V

12Vtyp

7.5V

0V

1.6-8V

LEFT

0.6V

0.4V

5109

2

G

1

I

3

O

2159

33p

5112

7P

2127

220n

7112

BC547C

10K

3180

7122

BC847C

22p_L

W

18p

BC857B

7109

2165

1130

C-PAD

1101

USA

YKD21

1

2

3

21

18

2p2

3123

3125

10K

RF-GND2

15

RIGHT

RIPPLE

1

7

VCC1

22

VCC2

9

VCO

23

VDD

38

VST

ABA

VST

ABB

34

29

WRITE-EN

25

2K2

3128

10u

2128

1

132

C-P

AD

TU_LEFT

TU_GND

VCC1

MPX

2105

USA

2143

220n

3161

22K

470R

3152

2144

1u

47K

3171

220n

2136

2130

22n

3153

470R

470n

2164

2140

82p

BAS216

6120

120R

3167

2106

11

p

20p_L

W

2169

2n2

BC337-40

7105

2133

56K

3141

1u

100u

2129

2K2

3145

2124

10n

*

2137

220n

2u2

2138

2139

15p

2n2

2148

2147

220p

2145

220p

150K

3169

2167

12p

1K

3144

3142

100K

22K

3143

220R

3105

2102

100n

100n

2

3

4

6

7

8

2191

100u

5111

1

150R

3155

7104

BC337-40

2107

1u

3194

2K2

22n_USA

2141

100n

6

7

8

2134

15n

5119

1

2

3

4

7111

BC847C

1102

YKD31-0432

1

2

5110

G

2

I

1

O

3

100K

3170

p

21

19

10p

1

2

3

4

6

7

8

2123

390p

470R

3158

5122

2132

470n

8

470n

2131

8

5102

7KL

1

2

3

4

5

6

7

5115

1

2

3

4

6

7

15n

2135

22n_USA

22K

3137

220p

2146

51

18

0u10

2125

560p

BC847C

7124

3190

120R

2109

10p

120R

3191

3

4

6

7

8

100n

2163

5103

1

2

LW

3109

4K7

22R

3146

2K2

3108

3157

100K

22u

2162

3172

5K6

10K

3150

TU_LEFT1

4101

*

4102

*

4104

*

3

4

6

7

8

BAS216

6106

5123

1

2

3159

470R

470R

3160

330R

3154

5

3

6

DT-381

5121

75

22K

3134

HN1V02H

6105-2

2120

2122

3n3

4K7

p

33

FM-IF2-IN

FM-OSC

5

8

I-TUNE

17

IF-GND

14

LEFT

12

LPF

24

11

MPX-IN

13

MUTE

43

NC

30

P0

31

P1

16

PILOT

4

RF-GND1

42

AGC

32

AM-AFC

41

AM-IF1-IN

36

AM-IF2

40

AM-MIXOUT

6

AM-OSC

2

AM-RF

39

AM|FM

27

CLOCK

28

DATA

26

DIG-GND

21

FIELDSTR-IND

18

FM-DEMOD

3

FM-GND

37

FM-IF1-IN

35

FM-IF2

7101

TEA5762

10

AF-OUT

20

AFC+

19

AFC-

44

10

8

OSC-OUT

V

5

VCC

6

p

2190

100n

7

8

FE450

1110

ANT

1

2

3

4

IF-OUT

7

9

5114

7P

1

2

3

4

6

47R

3132

1103

XH-S

1

2

2108

100p

2161

100n

p

2150

100n

71

10

BC857B

BC857C

7103

3135

1K

100K

3156

330R

3192

3130

820R

820R

3131

TU_+12V

TU_RIGHT

TU_DATA

TU_EN

TU_CLK

TU_ST

C-P

AD

TU_EN1

1

131

33K

3176

2149

33p

100R

3195

330R

3193

BZX284-C1

1

6107

1

2

3

4

6

7

8

2166

1n

HN1V02H

6105-1

1

2

7

100n

68K

3151

3168

120R

2180

10n

P1

P0

P0

P01

VCC1

MPX

VCC2

VDD

VCC1

VDD

VCC2

P1

+FM

AM_FM

+FM

AM_FM

VDD

VDD

P0

P01

P0

3139 118 55160 ...91660 dd wk203

PLEASE REFER TO 3103 308 6424

NOTE :  ORIGINAL SCHEMATIC FROM  ICAP VIENNA

p ...for provision only

* ... only assembled  in FM/AM-version

USA ... for USA version only

LW ... for LW version only

LEGEND

...V      MW  mode

transmitter

...V      LW  mode

voltages measured while

V

EVM

set is tuned to a strong

...V     FM mode stereo

B

D

3

2

4

C

A

5

1