Block Diagram Audio 2 (Wireless Audio) - Philips MG3.2E Service Manual

Wiring Diagram, Block Diagrams and Overviews
Block Diagram Audio 2 (Wireless Audio Details)
WIRELESS TRANSMITTER
R
7102
7101.B+C
SA572N 7
R2 R3
1101
20 KHz 2114
3122 3124
LOWPASS 5
8 L
+
31,25 KHz
7
R1 COMPRESSOR
TRAP
L
6
L
TO
R
1998 5
7101.A+D
R
N15
4 +V
R4
2115
20 KHz COMPRESSOR
MCS 3 SDA 3123 3125
LOWPASS 11
PANEL
+
2 SCL SDA
31,25 KHz
SEE TRAP
1 SCL
BLOCK
DIAGRAM R
9
AUDIO
7105
S87C751
R7
7106
3160
6101 SDA 7 23
+V
1 3
+8V
3161
SCL 8 22
7110
3171
7108
15
R8
9
RESET µC
16
3172 +5V
5107
R9
ERR
L 19
7114 10
40
LEVEL
+V DETEC/
POWER
AF
DOWN R
TRIGGER
11
7115
7116
WIRELESS SURROUND RECEIVER
U
+5V
7704
U4 7701
5708
TDA1597
1710
RX864 5706 5706
U5
1700
IF AMPL.
18
7 5 FILTER FILTER
FRONT-END
10.7 MHz 10.7 MHz
DETECTOR
1 2
3701 3704 3711
MUTE
+5V
LEVEL
7708
ADJ.
MC68HC705J1A
9 6 TUNED
5 STEREO
SDA 8
11 MUTE
7704 7
µC
18 POWER
20
RESET
1701
2
6x
FREQUENCY
5704 SELECTION
1702-A 1
+11V
MANUAL
SELECTABLE
SOPS SUPPLY
W2
(ACTIVE SURROUND BOX)
6206
DF06M
MAINS
1203
SWITCH
- +
1206
1
MAINS
+
1204
MAINS
T2A
FILTER
7205
2207
7206
2
1201
1
2
3
HOT GROUND
4
5
6
MG3.2E
7103-A
R5 7113-C
6 3
5
1
5 2 4
3 7113-A 3143 7109
3150
L 12
9 6
STEREO 80KHz
14
CODER LOW-PASS
+ +
13
MULTIPLEXER LIMITER
7103-B
R6 7113-B
10 5
11 6
2
1
11 6 15 SUBCARRIER -POWER
1 50KHz DOWN
R
10 6
-PILOT 25KHz
+5V +5V
3196 3197
DATA
CLOCK
COMPRESSOR ON/OFF
7112
PILOT MUTE 12 14 SUBCARRIER 50KHz
CLOCK
2167
DIVIDER
11 13 PILOT 25KHz
12MHz
POWER DOWN
+8VA
3781
7709
SA572N 16
U9
7710-A
7 5 2
5702
7705 1
+8VA +8VA 6 3
EXPANDER
FILTER
7701
8 TDA1597 8 U7
15
U6
3787
STEREO DET.
4 6
+ + U8
DEMULTIPLEXER 7710-B
16 U10 11 6
2723 EXPANDER
7
9
5703 10 5
7706
4 2
6
3736
PILOT FILTER
FREQ
7717
7703 ADJ.
SL-ST MUTE
7718
11V
7714
U1 U2
7712
+5VA
3
+6V
3740
+5VA
7711
U3
3750
3741
6702
3
+8VA
7713
HOT COLD
5204
7201
W20
W19
6202 6201
9 1 3
3
W18
3221
1 8
2209
2210
7
D
G
S 6
7207
STP3NA60
3204
4
5
CONTROL
3206
CIRCUIT
5 1
7203
TCDT1102G
4 2
3 1
5206
4 2
8b
HOT GROUND
BORDER
6. 45
AMPLIFIERS
W1
HIGH PASS
+8V 7402
1102
3405
TX804 5 2
2415
N8
3157 AERIAL L
RF-OUT
1 4 7 3
A
MODULATOR
5106
2168 2416
DEVIATION
3411
ADJ
2421 6
2 3
R
5
B
3159 3158
2422
MUTE 6428
RECEIVER
C
POWER-DOWN MUTE
G
POWER-ON MUTE
H
CONNECTOR
W3
LEFT / RIGHT
SWITCH
1304
1305 1305
U11 U13 1307
2783 3747 L 1
3 3
3783
2
7720
MUTE
3
U12 U14
2789 3752
1 R
1
MANUAL
1303
3789
SELECTABLE
1
7719
MUTE
2
6 6
3308 3
3307
4
5
7
n.c.
+VSTBY
2302
L 3
WIRED
AUDIO
R 2
INPUTS
2301
1
AMPLIFIERS
W1
1202 1404 WIRED
W21
E BACKUP-INFO
+VSTBY
1 1
+VSTBY
2 2
D
MUTE RECEIVER
3 3
WIRED
F BACKUP-
4 4
AUDIO-INFO
6405
6434
+
2401
6406
6408-6418
1xxx 1405
1409 3404
1 1
+
T2.5A
2 2
2405
- +
3 3
+
1408 2404 3403
4 4
T2.5A
TRANSFORMER ON BRACKET
120Hz AMPLIFIER OUTPUT
+VPRE +VPRE +VAMP
7403 7401
SPEAKER
8 8 7
LM833D TDA2616D
1486
W7
W3 W3
2 2427
3461
1
1 1 1 4
3
3407
W8
W4 W4 2
6 2428
3462
7 7 9 6
5
3413 2
MUTE
5
4 4
-VAMP
-VPRE -VPRE
7415
CONNECTOR
W3
SPEAKER
1407 1301 1302
2 2 2
1 1 1
1402
W1
A
1
L
2
W2
B
3
R
C
1401
MUTE
1
RECEIVER
D
2
WIRED BACK-UP INFO
E
3
4
WIRED BACK-UP AUDIO INFO
F
5
+V STBY
7412
2407
7413
7405-A 3432 7405-B 7414
W11 W12
LEVEL SCHMITT OUTPUT
MUTE
TIMING
DETECTOR TRIGGER STAGE
INVERTER
6422
7404
1403
7410 1
AUDIO
DETECTOR 7411
2
LED
DRIVERS
3
6432
6433
7417
+VAMP
POWER-DOWN MUTE
+VPRE MUTE-AT
+ POWER-OFF
2403 6437
7416
+
POWER-ON MUTE
MUTE-AT
+VAMP
POWER-ON
2402 6429
-VPRE
-VAMP
MASTER
8Ω
SLAVE
8Ω
W4
LED
6501
1501
1
R
2
3
G
G
H
CL 16532148_007.EPS
191201