Non-Cenelec Tuner Circuit - Philips FW-M355 Service Manual

NON-CENELEC TUNER CIRCUIT

1 2 3
TUNER BOARD ECO6
/ SYSTEMS NON CENELEC
USA
1101 2105 USA
1130
3
100n
C-PAD
2
A
1
YKD21
A
not_USA
1102
YKD31-0432
2104
1
100p
6103
B 2
FM 75 OHM
BAV99
1131
C-PAD
C
D
E
AM-RF
6105-1
MW
AM FRAME AERIAL
1
1103
5102 8 7 7KL
HN1V02H
F
6 1
2
1 5 2
XH-S
4 3
B
G
H LEGEND
...V FM mode stereo
* ... only assembled in FM/AM-version
p ...for provision only ...V MW mode
V EVM
USA ... for USA version only
E_EU ... for East European version only
voltages measured while
J ... Japan version only
set is tuned to a strong
transmitter
1 2 3
11-11
4 5 6
C
3105
AM-RF
220R
0.6V
Q-multiplier
7102
BF550
0V
5131
3102
100K
FM-OSCILLATOR
3101
33K
VCO
3142
1
2
100K
7
AM-OSCILLATOR 5
6
6105 MW
5123 5 RDS only
1
8
4 3
2
7
2
3 6
6 1
4 5
8 7
HN1V02H
4 5 6
7 8 9 10
AM-IF1
5111 450kHz
3
4
2
2150
1
6
100n
FM-IF1
8 7
5109
4103
J I 1 O 3
7119
G
2
BFS20
FM-IF2
5110
1
2128 I
G
10u
7101
TEA5757H 44 43 42 41 40 39 38 37 36 35
2165
100n
AM DET
2129
2V
AM-IF
1 RIPPLE
100u AGC
FM
AM AM
IF1
0V 2 AM-RF
FRONTEND MIXER
CTRL
FM-RF
3 AM FM
AGC
AM
IF IF2
OSC
4 RF-GND1
FM
D
FRONTEND
FM
AGC
MIXER
0.1V 5 FM-OSC
FM CONTROL
OSC PRE- MULTI-
SCALER PLEXER
0V 6 AM-OSC
AGC
RIPPLE VSTABA VSTABB
VCC1 VDD
7 VCC1
7.6V
7.8V STABILIZER
AGC AM
1.6-8V 8 I-TUNE DET
CHARGE
1-8V PUMP
FM
9 VCO
1V XTAL
DET
1.3V VCC2 OSC
0.7V 10 AF-OUT
MPX-IN
11 STEREO
1.2V AFC
DECODER
VCC2
3141
56K
12 13 14 15 16 17 18 19 20 21
2127 VCC2
220n
2164
470n
2
DISCRIMINATOR
5119
VCC1
4
3
2
1
MPX 6
3144 2169 c10
1.3V 8 7
1K
2n2 to 1120
pin 5
0.7V 7103
BC857C
MPX
BUFFER AMPLIFIER
ORIGINAL SCHEMATIC FROM ICAP VIENNA
REFER TO 3103 308 6426
7 8 9 10
11-11
11 12 13
VERSION PROGRAMMING COMPONETS
VERSION
6120 3156 3157
/00 /02 FM/MW/LW
AM-IF2
/00 /02 FM/MW
5112
450kHz
/01 FM/MW
3
4
/14 FM-OIRT/MW
2
/17 FM/AM
1 6
/06 FM-Japan/AM
7P 7 8
component mounted
3
O AM-AFC
5114 450kHz VERSION DETECTION
2
3 4
P1 6120
2
BAS216
34 1 6
0.2V
7 8
7P
1.2V 7111
BC847C
0.7V
FM-IF2-IN 33
P1
0V
AM-AFC 32
1.4V
P0
P1 31
7.9V
P0 30 7.7V
0.1V
3161
WRITE-EN 29
0V
22K
3160
0V
DATA 28
470R
3159
CLOCK 27 0V
5V
2166
3169
470R
DIG-GND 26
150K
1n
5121
2167
0V
25 1.4V
12p
DT-381 75K kHz
stereo 0.2V
MONO/ 24
STEREO mono 4.8V
23
VDD
3158
9.5V
470R 0V
0V
VDD
MPX 0V
22
3168 3167 from 2169
7.6V
12Vtyp
VCC1
(10-14V)
7.8V 120R
120R
3154
11.1V
VCC2
11.1V
330R
12V
7112
BC547B
9.6V
3155
9.6V
VDD
10.4V
9.5V 220R
3139 118 55160 ...91060 dd wk203
11 12 13
14 c1 E14 5119 G9
c2 F14 5121 E11
c3 F14 5123 G5
c4 F14 5130 E5
c5 F14 5131 C6
c6 F14 6103 B2
c8 F14 6105-1 F3
c9 F14 6105-2 G6
c10 H8 6106 C3
c11 F14 6107 G13
c12 F14 6120 C13
1101 A1 6130 E5
A
1102 B1 6131 D5
3170 7111
1103 F2 7101 C8
1130 A2 7102 C6
1131 B2 7103 H7
1132 G13 7111 C13
2101 B3 7112 G12
2102 B1 7119 B9
2103 C7
2104 B3
2105 A2
2106 F3
2107 F4
B
2112 B9
2119 H6
2120 G6
2124 H6
2125 H6
2126 F7
2127 F7
2128 B8
2129 C7
2130 F11
2131 G8
2132 G8
C
2133 G8
2134 H8
2135 H9
2136 G14
2137 G13
2138 F9
2139 G9
2140 G9
2141 F10
2143 G12
2144 G11
D
2145 F12
2146 E12
2147 E12
2148 E12
2149 H7
152 kHz, 50mVpp 2150 A10
2152 E4
2153 E5
2154 D5
2155 D6
2159 F6
2161 C11
stereo mono stereo
E
2163 D11
2164 F10
3
stereo 0.4V
2165 C7
mono 4.8V
2166 E12
2167 E12
c1
STEREO
2169 H8
c2 3101 E4
CLOCK
3102 D4
c3
3103 C6
DATA
3104 A7
c4
ENABLE/MPX
3105 B6
c5 3113 B9
F
VCC
3119 A9
c6
RIGHT 3132 G5
3134 H6
c12
c8
GND
3141 F7
c9 c11
3142 E7
LEFT
3143 G7
3144 H8
3145 F8
3146 G13
3152 G14
4
3153 G13
G
3154 G13
3155 G11
3156 C12
3157 C12
3158 E13
3159 D13
3160 D12
3161 D13
3167 F12
3168 F11
3169 E11
3170 C12
H
3172 G12
3176 G7
3181 E6
4103 A9
5102 F2
5109 A9
5110 B10
5111 A8
5112 A11
5114 B11
14