Philips LX3700D Service Manual

11-311-3
SUPPLY
UNIT
2
14VDC
1100
F001
7100
3
R
L
1
1125
WIRED
AUDIO
IN
(3,5MM
stereo
jack)
3
2
1110
4
3
2
1
"ON"
LED
DRIVER
5115
1
1120
8
7
6
4
3
2
5
1
5120
+12V
update mdi 14-03-03
7140
6140
SCL
SDA
SCL
SDA
uP
I C
2
Control
Channel
Switch
Selection
1130
7145
+5V
F022
Audio
Detector
+5V
R
L
From
LX3750W
From
LX3750W
5100
3102
3103
3104
3105
3148
1k
1k
560k
3152
330k
3109
3110
3112
3111
7115
NJM4560M
Audio Notch
Filter
L4931CDT120
HT7550
7105
+12V
+5V
TRANSMITTER INTERFACE
V
7130,7101,6130
Power Supply
PIC12C508A
4 positions
F002
F008
F007
F003
F004
F005
F006
F010
F009
F011
F012
F013
F014
F019
F020
F016
F017
F021
F018
TRIG
F015
3126
3125
TRANSMITTER
R
B14B
1101
1
2
7113
NJM4565M
7112
SA572D
3
∆G
1
7
6
5
5
11
RECTI-
FIER
R
L
L
R
2
3
32
5
6
TO TV
C
ONNECTION
TO1103
7
8
+8V
+5V
PD
7119
6105, 7118
4
I2C-CLOCK
POWER DOWN
DETECTOR
I2C-DATA
7117
LD1117DT
11V_S
F124
F140
F141
F145
F144
F131
F149
F147
F113
F110
F114
F130
F126
7
7110
74HC4060
OSCILLATOR
ENABLE
(Low)
256
512
PRE-EMPHASIS
- COMPANDER -
- STEREO ENCODER -
- PLL -
MULTIPLEXED
2165, 3160, 3190
2166, 3161, 3191
PRE-EMPHASIS
9
3
13
12
VPIL
3
5
62
1
16
5
14
7
9
8
2
SDA
I2C-DATA I2C-CLOCK
SCL
VERSION
SELECTION
433MHz
or
864MHz
6
11
ADC
1105
4MHz
VPIL
VFIL
(ENABLE)
+6V
3105
3106
3179
6102
BB151
(VARICAP)
7102
OSC
VOSC
(ENABLE)
X2 (ENABLE)
7103
BFR92A
7104
7105
5112
+8b
7101
TSA5060A
MPX
MODULATION
LEVEL ADJ.
3
5
7111
74HC4053HD
7116-B
NJM4565M
7116-A
4
7
3174
3177
V
9
SUBC
46,875kHz
6
LIMITER LOW-PASS
LOCAL
OSCILLATOR
FREQUENCY
MULTIPLIER
FILTER
OUTPUT
7106
BFG520
SYNTHESIZER
14
13 PILOT 23,4375kHz
PD
10
11
1106
12MHz
V
V
V
X2
1.4 Block Diagram TX

Philips LX3700D Specifications

General

Brand	Philips
Model	LX3700D
Category	Home Theater System
Language	English