Small Signal Module - Philips DPTV465 Service Manual

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Circuit Diagrams and PWB Layouts45

Small Signal Module

1
1
2
2
3
3
C1
C1
SMALL SIGNAL MODULE
A
A
I150
I151
3-B9,2-H7
Y
2-B6
AV1-Y_CVBS
2-F6
AV2-Y_CVBS
B
B
I148
1V
C
C
F100
I144
TO SIDE
2-C6
INPUT
AV1-C
1335
I143
B10B-EH-A
2-F6
F103
AV2-C
FRONT-DETECT
1
2
F101
GND
3
2014
Y-CVBS-FRONT-IN
4
I142
2-F8
AV5-L
GND
5
F102
1u0
C-FRONT-IN
6
I141
2-A6
D
D
GND
7
F104
F105
AV1-L
I140
2018
L-FRONT-IN
8
2-E5
GND
9
F106
AV2-L
R-FRONT-IN
10
1u0
F107
I139
2022
2-D8
AV4-L
1u0
I138
2-F8
AV5-R
I137
2017
2-A6
E
E
AV1-R
I136
1u0
2-E5
AV2-R
2021
I135
1u0
2-C8
AV4-R
6-D4
AGC
I107
I108
F
F
5007
3015
I109
+ 5V
5u6
15K
6-H6,6-A10,1-F12
SCL_IN
6-H6,6-A11,1-F12
SDA_IN
C1
I105
F108
3114
1028
S3B-EH
N/U
F109
47R
F110
GND
C2
I104
3
SCL_IN
3115
2
SDA_IN
1
47R
24V
F112
1302
H
H
B2B-PH-K
N/U
MT1
12
1
I1
MT2
2
I101
13
.01V
11 IF
IF
IF-TER
6-D4
1301
I
I
B2B-PH-K
N/U
1
2
TUNER_B+
6-J3
3000
+ 130V
6-E11
J
J
15K
+ 33V
6-E11
3011
100R
3135 033 3345.7
1
1
2
2
3
3
DPTV465
4
4
5
5
6
6
7017
CXA2089S
I154
I155
2091
3.9V
5 TV
TV
2092
470n
3.9V
7 V1
V1
2093
470n
3.9V
14 V2
V2
2094
470n
3.9V
21 V3
V3
470n
29 V4
V4
I152
I153
I156
3.9V
9 Y1
Y1
3.9V
16 Y2
Y2
3.9V
23 Y3
Y3
I117
2087
4.3V
11 C1
C1
2088
I129
100n
4.3V
18
C2
C2
2089
I118
100n
4.3V
25 C3
C3
100n
I130
3120
I128
4.4V
4 LTV
LTV
50V
2016
1K2
I119
3122
I116
4.4V
8 LV1
LV1
I127
1u0
I131
3124
50V
1K2
4.4V
15 LV2
LV2
2020
50V
1K2
I120
3126
I115
4.4V
22 LV3
LV3
I126
1u0
I132
3128
50V
1K2
4.4V
28 LV4
LV4
50V
1K2
I114
I121
2015
3121
4.4V
6 RTV
RTV
I125
1u0
50V
I133
3123
1K2
4.4V
10 RV1
RV1
1K2
2019
I122
I113
50V
3125
4.4V
17 RV2
RV2
1u0
50V
I134
3129
I124
1K2
4.4V
24 RV3
RV3
I123
I112
50V
1K2
2023
3127
4.4V
30 RV4
RV4
1u0
50V
1K2
3109
25V
100u
12 S2-1
S2-1
22K
2078
19 S2-2
S2-2
BAS216
I110
26 S2-3
S2-3
6010
2-D6
13 S-1
S-1
S-1
6011
2-H4
20 S-2
S-2
S-2
F111
BAS216
27 S-3
S-3
1002
3.9V
0-106451-1
1
1.7V
2
9
5
4
3
2
1
MT4
1003
15
0-106451-1
MT3
1
14
2
RF-IN
1010
0-106451-1
1106
1
10
8
6
7
ENV56
2
4.8V
I102
C1
C2
I1
1
2V / div AC
2V / div AC
500mV / div AC
5µs / div
20µs / div
4
4
5
5
6
6
7.
30
8
8
7
7
2095
22u
50V
8.8V
2103
40
I157
100n
VOUT1 46
3.6V
VOUT1
6dB
2025
1.7V
YIN1 42
YIN1
3.9V
I186
3021
1u0
3.4V
YOUT1
YOUT1 1
6dB
1K0
TRAP1
TRAP1 48
I185
I158
3022
4.2V
COUT1
COUT1 3
6dB
4K7
CIN1 44
CIN1
I159
3023
3.5V
VOUT2
VOUT2 39
6dB
1K0
YOUT2 37
YOUT2
6dB
I160
3024
4.2V
COUT2 35
COUT2
6dB
4K7
2099
4.4V
BIAS
BIAS 43
2u2
6dB
I161
LOUT1
LOUT1 45
4.4V
1016
B4B-EH-A
0dB
4
3
6dB
I162
2
4.4V
ROUT1 47
ROUT1
1
0dB
N/U
F130
4.4V
LOUT2
LOUT2
36
6dB
F129
4.4V
ROUT2
ROUT2 38
6dB
F131
DC-OUT
DC-OUT 34
I165
C1
3.2V
SCL 32
SCL
3.2V
C2
33
SDA
SDA
3130
ADR 31
ADR
I166
220R
MUTE
MUTE 41
2
I167
TO SIDE JACK PANEL
1334
F113
F114
F115
N/U
NOTES
1. CAPACITANCE VALUES ARE IN FARADS:
m=MILI
u=MICRO n=NANO p=PICO f=FEMTO
2. RESISTANCE VALUES ARE IN OHMS:
R=OHM K=KILO M=MEGA G=GIGA T=TERA
3. SAFETY TRIANGLE REPRESENTS PCEC REPLACEMENT PART ONLY.
4.
*
FOR VALUE SEE TABLE.
5µs / div
7
7
8
8
9
9
10
10
11
11
3028
10R
F126
F125
8.8V
7003
I180
BC847B
F127
1V
8.8V
2.1V
7002
I178
BC847B
1.4V
1017
B4B-EH-A
F121
F122
F123
8.8V
7208
1.8V
BC847B
F117
7209
3119
1.1V
BC847B
470R
F119
3118
470R
I173
9026
6-H6,6-A10,1-F1
SCL_IN
3131
9027
6-H6,6-A11,1-G1
SDA_IN
220R
I172
I171
6-C8,6-H6
9023
SDA-C
I168
I169
SCL-C
6-C8,6-H6
9022
I170
9
9
10
10
11
11
12
12
13
13
TO 3D COMB
A
A
I181
F128
1303
B
B
B5B-PH-K
I182
5
CVBS
4
GND
I183
3
C-OUT
2
GND
1
Y-OUT
1
2
3
C
C
4
Y-CVBS_FRONT-IN
6-F3
C_FRONT-IN
6-F7
D
D
1018
B4B-EH-A
1
2
3
4
E
E
5
Y-CVBS_TO-PIP
F118
4
GND
3
C_TO-PIP
GND
2
1
F
F
1222
B5B-EH-A
G
G
C2
1
GND
3.1V
2
SDA_1
GND
C1
3
4
SCL-1
3.2V
GND
5
+ 9V
6
7
GND
8
+ 5V
+ 5V
9
H
H
10
12
13
11
1009
09JL-BT-E
I
I
J
J
E_15000_011.eps
141004
12
12
13
13

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