Philips LX3950W/01 Service Manual page 53

1.4 Block Diagram TX
To LX3950W
powersupply output
1125
WIRED
3
AUDIO
IN
2
(3,5MM
1
stereo
jack)
Optional
1110
From F003
4
LX3950W
R
F004
3
From F005
2
LX3950W
L
F006
1
R
TRANSMITTER
- COMPANDER -
1101
F140
R L 2
1
3
2
V
F141
5
L R
3
6
11V_S
4 V
5
TO INTERFACE
6
CONNECTION
5
1120 I2C-CLOCK
7
11
B14B
8 I2C-DATA
7117
LD1117DT
F124
3 2
+8V
F126
7119
+5V
6105, 7118
POWER DOWN PD
DETECTOR
11-3
V TRANSMITTER INTERFACE
Power Supply
7100 7105
L4931CDT120
HT7550
F001
1
F002
2
1105
F008
R
F007
L
1k
3102
560k
3103
3148 3109
1k
3104
330k
3105
3152 3110
5100
- STEREO ENCODER -
7113
7111
NJM4565M
2165, 3160, 3190
74HC4053HD
F145
1
PRE-EMPHASIS
5
2166, 3161, 3191
F144
3
7
PRE-EMPHASIS
9 6
7112
SA572D
7
G
9 SUBC
7110 46,875kHz
74HC4060
OSCILLATOR F131
3
14
RECTI-
256
13
FIER
F130
13 PILOT
512
10
1106
12
12MHz
ENABLE
11
(Low)
VPIL
PD
+5V
+12V
7115
NJM4560M
F010
3111
F009
3112
MULTIPLEXED
7116-B
NJM4565M
7116-A
MODULATION
3177
LEVEL ADJ.
6 F147 2 F149
4 2
1
7
3
5
V
V
3174
3179 6102
BB151
LIMITER LOW-PASS
(VARICAP)
SDA
SCL
23,4375kHz
3105
3106
11-3
1121
1
2
F020
F019
1120
SDA 8
SCL 7
6
5
Audio Notch
Filter
F014
4
5115
+12V
F012
3
F013
2
5120
F011
1
update jvo 23-02-04
- PLL - 7104
F113
+8b
7103
BFR92A
7105
X2
MPX LOCAL
FREQUENCY
OSCILLATOR
MULTIPLIER
OSC
7102
7101
TSA5060A
VOSC
16
(ENABLE)
14
7
X2 (ENABLE)
5
9
F110
6
8
SYNTHESIZER
+6V
VFIL
2
(ENABLE)
1105
4MHz
VERSION
SELECTION 11
ADC
433MHz
or
864MHz
VPIL
To LX3950W
I 2 C output
7106
BFG520
5112
FILTER
F114
OUTPUT