Philips FTL2.1E Service Manual page 68

Circuit Diagrams and PWB Layouts
SSB: Audio Demodulator
1 2 3
AUDIO DEMODULATOR
A
+5DA
+11V_S +11V_AUD
+5V
5A00 IA10 2A00
30R
1n
FA28
+5DB
B
5A03 IA12
7A02
IA25
MSP4450
3A19
SCL-F
1
B6a,b,c 100R I2C-CL
SCL-F-AUD
3A17
2
SDA-F
I2C-DA
B6a,b,c
C 100R
SDA-F-AUD
2A29
52 ANA-IN2+
100p DEMODULATOR
B2
IA23
2A32 2A33
50 ANA-IN1+
QSS_AM
100p 100n
5A19 2A37
51
ANA-IN-
22u
100p
B14b IA24
D 2A39
SND-CENTER-IN
1u
MONO
47 MONO-IN
B14d(2x) FA26 2A46
45 SC1-IN-R
SNDR-MAIN-IN
1u
44 SC1-IN-L
SCART 1
B14d(2x) FA27 2A49
SNDL-MAIN-IN
1u
B14d IA13 2A53
E
SNDR-SC2-IN 42 SC2-IN-R
1u
41 SC2-IN-L
SCART 2
B14d IA14 2A56
SNDL-SC2-IN
1u
B14c IA15 2A59
SNDR-DVI-IN 39 SC3-IN-R
1u
38 SC3-IN-L
SCART 3
B14c IA16 2A62
SNDL-DVI-IN
F 1u
36 SC4-IN-R
B6a,B14d(2x)
IA17 9A67
SNDR-SEC-IN
35 SC4-IN-L
SCART 4
B6a,B14d(2x)
9A71
SNDL-SEC-IN
IA18
G
2AB7
1n
B15b,c
B6a
B2(2x) 9A10
Y50 IN-Y50 DACM-SUB
B2
B15b,c
9A11
U50 IN-U50
B15b,c
B2
9A12
V50 IN-V50
H
IA00
B6a 2AB3
HPN-L
1u MC33178D
B14c,B15b
B3a
9A13 REF-AUD 3A45
Y-PIP+MAIN-OUT
Y-PIP+MAIN-IN
47K
B14c,B15b
B3a
9A14 B6A(3X)B6C(3X)
U-PIP+MAIN-OUT
U-PIP+MAIN-IN
B14c,B15b
B3a 9A15
V-PIP+MAIN-OUT
V-PIP+MAIN-IN
A
I
3A46
4K7 *
8204 000 8329.4
1 2 3
FTL2.xE AA
4 5 6
+8V
7 9 8 57 60 61 14 15 12 5 6 3 4
31
ADR I2S interface
interface
FM1
I2SL/R I2SL/R
S1...4
FM2 D/A
LOUDSPEAKER R
NICAM A
LOUDSPEAKER
NICAM B
LOUDSPEAKER L
D/A
IDENT
IDENT
DSP
SCART-L
A/D
D/A
HEADPHONE R
SCART-R
A/D
HEADPHONE
D/A
HEADPHONE L
SCART-R
D/A
SCART-L
D/A
SCART
Switching Facilities
NC
2AB6 2AB2
IA09
1n 1n
B6c
MSP-SURR
B6c
MSP-CENTER
cA01
A
+5DB
2A79
100n B6a
IA01
2AB4
5
HPN-R 8
3 MC33178D
8
1u
IA02
3A04
HEADPHONE-L
B21
7A07-A
6
1
100K 7A07-B
B6a(3x),C(3x)
2
4
3A47
REF-AUD
4
IA43
47K 2AA5
7A09
IA49
2A91
BC857B
100p
100p 3A60
3A22
100K
100K
A
2A92
IA48
3A51 3A40
3A49
4K7 * 47K *
47K *
4 5 6
7. 68
7 8 9
+5DB
+11V_AUD
+8VC
FA13
7A01
FA14
IA22 BC847BW
2A22
100n
2A23 7A03-A
3
8
LM833D
100n
16
IA06
RESETQ
2
IA07
4
2A27 3A66
6V5
100K 2A36
DACM-R 20 1n
100p
IA08
2A35
DACM-L 21
3A28 3A26
1n
A 4K7 FA23 68K
2V7
FA24
46
3V9
VREFTOP
34 2A42
AGNDC
IA35
32
CAPL-M
10u
30 2AB5
CAPL-A
IA36
10u
2A50
DACA-R 17
1n
2A54
18
DACA-L
1n
SC1-OUT-R 28
SC1-OUT-L 29
SCART 1
SCART 2
SC2-OUT-R 25
SC2-OUT-L 26
2A66
2A70 1u
1u
B6a,B14d(2x) 2A69
17
SNDL-SEC-IN
1u 18
1A01
B21
HEADPHONE-R
2A72
20
DSX840
+11V_AUD
1u
18M432 9A07
1A00
2A74
14
9A08
3 4
*
2 18M432 1 1u 13
+5DA
CX-5F
2A75
B6a,B14d(2x) 11
6
SNDR-SEC-IN
1u
3A05
7A31-1 2 POR
BC847BS
22K
1
3A63
7 3
100K
+8VC
5 7A31-2
+5V
BC847BS
7A04 4
IA03
BC857B
3A07
SYS-RESET
IA41
100K
6 *
IA42 IA47
7A08-1 2
BC847BS
3A64
IA40
1
3
IA46 47K
7A08-2 5
BC847BS
4
7 8 9
10 11 12
+11V_AUD
FA12 5
8
7A00-B
6
2A20
3
8
A
1u 1
IA04
7A03-B
5 2
8
LM833D 7A00-A
4
7
LM833D
3A18
6V5
IA05
6
33K
4
1 6V5
3A20
100K 2A25
2A30
100p
100p
3A23
3A27 68K
4K7 A
9A00
9A01
2A64
7A06 100n A
TDA7309 1 19
RECL LOUDL
IN1L
IN2L OUTL 2 3V6
VOLUME+
IN3L
LOUDNESS MUTE
DGND 6
SERIAL BUS DECODER SDA 4
IN1R
+ LATCHES
SCL 5
IN2R
ADDR 8
IN3R
SOFT
2A76
CSM 3
MUTE
INPUT
100n
SELECTOR
VOLUME+
A
OUTR 9
LOUDNESS 3V6
SUPPLY
MUTE
VS AGND CREF RECR LOUDR
16 7 15 10 12
2A83 IA21
4V2
9A16
100n
9A17
A
+5V
5A06
+5VF
2A95
220p
E_14620_095.eps
10 11 12
13
1A00 G7 3A14 B10 IA06 C9
1A01 G7 3A15 B12 IA07 C7
2A00 A3 3A16 B13 IA08 D7
2A01 B2 3A17 C2 IA09 G6
2A02 B1 3A18 C11 IA10 A2
2A03 B2 3A19 C2 IA12 B2
2A04 B3 3A20 C10 IA13 E2
2A05 B1 3A21 B11 IA14 E2
2A06 B1 3A22 I3 IA15 F2
A 2A07 B2 3A23 D10 IA16 F2
2A08 B2 3A24 I8 IA17 F2
2A09 B3 3A26 D9 IA18 G2
2A10 B13 3A27 D10 IA21 I10
2A11 B10 3A28 D9 IA22 B8
9A18
2A14 B13 3A40 I6 IA23 D2
2A10
2A15 B12 3A45 H3 IA24 D2
2A16 B12 3A46 I3 IA25 C2
100n
2A17 B7 3A47 H5 IA35 D7
B6a(3x),
LM833D
REF-AUD
2A18 B6 3A48 I4 IA36 E7
C(3x) B
2A20 B11 3A49 I3 IA40 I8
7
2A21 B7 3A51 I6 IA41 I8
4
FA17
2A22 C10 3A52 I3 IA42 I7
3A16
6V3
2A23 C9 3A53 I6 IA43 I6
100R
2A25 C11 3A55 I4 IA46 I8
2A26 C10 3A60 I6 IA47 I8
2A27 C7 3A61 I7 IA48 I4
2A29 C2 3A62 I7 IA49 I4
2A30 C11 3A63 H7 cA01 H6
C
2A31 D9 3A64 I8
B6c,B21
2A32 D1 3A65 I8
AUDIO-SW
2A33 D2 3A66 C9
2A35 D7 5A00 A1
2A36 C9 5A01 B2
2A37 D2 5A02 B1
2A39 D2 5A03 B1
B6c,B21
AUDIO-R
2A40 D9 5A06 I11
2A41 D9 5A19 D2
D 2A42 D8 6A00 B7
2A43 D8 6A01 I8
B6c,B21
2A44 D8 6A02 H8
AUDIO-L
2A46 D2 7A00-A C12
2A47 I8 7A00-B B13
2A49 E2 7A01 B8
B6a 2A50 E8 7A02 B3
HPN-R
2A51 I8 7A03-A C10
2A53 E2 7A03-B C11
B6a
HPN-L 2A54 E8 7A04 I7
E
2A56 E2 7A06 G10
2A59 F2 7A07-A H3
B14b(2x)
SNDR-SC1-OUT-DC
2A62 F2 7A07-B H6
2A64 G11 7A08-1 I7
B14b(2x) 2A66 G9 7A08-2 I7
SNDL-SC1-OUT-DC 2A69 G9 7A09 I4
2A70 G9 7A31-1 H8
2A72 G9 7A31-2 H8
2A74 G9 9A00 E11
B14b,d(2x)
F
SNDR-MON-OUT 2A75 H9 9A01 E11
2A76 H12 9A02 G12
2A79 H3 9A03 G12
B14b,d(2x)
2A80 I9 9A04 H1
SNDL-MON-OUT
2A81 I10 9A05 H1
2A83 I10 9A06 H1
2A88 I11 9A07 G8
2A89 I10 9A08 G8
2A90 I10 9A10 G1
G 2A91 I3 9A11 H1
2A92 I6 9A12 H1
2A95 I11 9A13 H1
B6a,b,c 2A99 I3 9A14 I1
SDA-F-AUD
2AA5 I6 9A15 I1
B6a,b,c
SCL-F-AUD 2AA6 G6 9A16 I13
2AA7 G6 9A17 I13
2AA9 H7 9A18 B13
2AB0 H7 9A67 F2
2AB2 G4 9A71 G2
H
2AB3 H3 9A78 H7
2AB4 H5 9A79 H8
2AB5 D8 FA12 B12
2AB6 G4 FA13 B7
2AB7 G3 FA14 B8
2AB8 B12 FA17 B13
B2 , B3a
HA50
3A00 B8 FA23 D9
B2 , B3a 3A01 B8 FA24 D8
VA50
3A03 B6 FA26 D2
I
3A04 H4 FA27 E2
B15b
3A05 H8 FA28 B3
3A06 I7 IA00 H3
3A07 I8 IA01 H6
3A09 B8 IA02 H4
3A11 B12 IA03 I7
070704 3A12 B11 IA04 B11
3A13 B9 IA05 C10
13