EN 96
7.
LX7500R
Circuit Diagrams and PWB Layouts
to DAC_ADC
to DAC_ADC
to IOV, IOA, FV
to DAC_ADC,
to FV
AIO, DIGIO
F358 C1
F381 C1
4300 C3
4301 C3
F383 C1
F384 C2
I346 A3
I347 D4
I349 D3
I352 C1
I353 A4
I354 B2
to IOV, FACO
VPS, DIGIO, IOA, MSP
from IOV
E
1934 B1
F331 C2
F333 C1
F346 C2
F347 C1
F348 C2
F350 C1
F351 C2
F352 E4
F353 C1
F354 C1
from IOV
to IOV
to MSP
from IOV
3373 D4
3
4
6314 E3
6320 E3
7308 A2
7319 D4
7320 A3
7321 D1
F301 C1
F302 C2
F322 B1
F325 B2
to IOV, FACO, FOME, FV
1
2
not used
1
2
3
4
A
B
E
A
B
C
D
C
D
2332 A3
2334 E3
3327 A3
3329 B3
3348 D3
3349 C4
3355 D3
3362 D3
3371 C4
3372 C4
I354
to IOV, DAC_ADC
5NSTBY
4301
I352
33VSTBY
STBY
F333
2u2
2332
F302
F301
F354
13
2
3
4
5
6
7
8
9
F351
1934
B13P-PH-K
1
10
11
12
F322
PDTC124EU
7321
4300
I353
1M0
3327
7308
PDTC124EU
12VSTBY
5VSTBY
6314
BZX384-C8V2
F353
IPFAIL
F358
3371
47R
F348
680R
3348
3355
47R
12VSTBY
F350
I347
F383
7319
BC847BW
F384
5V
F346
F381
F347
F331
3362
680R
3V3
7320
SI2306DS
33VSTBY
F325
12VSTBY
33R
3373
I346
5SW
3372
33R
5VSTBY
5N
47R
3349
ION
F352
I349
100n
2334
8SW
6320
BAS316
3329
2M2
STBY
STBY
ANALOG BOARD
Power Supply (PS)
A/V board LX7500R, 241104
2
1 2 3 5 6 7 8
2
5
2
2
2
1 2 3
1
9
9
9
3 8 9
from A
UX SUPPL
Y board 1300
12,4V
5V
0,2V
0V
3,3V
5V
5V
34V
-5,4V
-5,3V
EVM
V
DC voltages measured in Stop mode
with no audio output.
...V
LOUDSPEAKER L
D/A
D/A
I2SL/R
HEADPHONE R
IDENT
NC
SCART
LOUDSPEAKER R
A/D
D/A
DEMODULATOR
S1...4
FM1
FM2
I2SL/R
NICAM B
NICAM A
SCART-L
HEADPHONE L
IDENT
LOUDSPEAKER
A/D
D/A
SCART-L
SCART-R
DFP
SCART-R
Switching Facilities
GND
I615 B2
2600 A6
2601 A6
QFP44
2602 A7
I608 C2
D
1
2
2626 E2
E
I613 F6
D
E
F
A
F
1600 F7
DVAR
6
2604 A9
I603 A6
3603 B2
7600 A3
F6001 E1
I604 A7
I605 B7
3607 E2
I607 C1
B
C
1960 E1
I609 D7
I610 F7
I611 F7
I612 F5
I624 A5
I614 B7
2
4
3612 E8
4
5
1
6
7
I616 B2
I617 B7
5600 A8
2619 E9
2620 F7
F6002 E1
F6004 E1
I601 A7
I602 A4
3602 B9
A
3606 E2
C
3611 D8
2618 E9
I625 A5
3
I620 E2
I623 E7
7
8
I630 E2
I631 E2
8
9
2611 A7
from D
V
- Board
2603 A7
GND
3
5
2612 D8
2616 E8
2610 C8
DVAL
2627 E2
3600 A8
3601 B1
2605 F5
2606 B8
2608 C9
2609 C2
2621 F7
2623 F6
4601 A5
B
5601 F5
5602 F6
6600 B9
2616
1n0
2617 E8
I621 E2
2607 C2
9
I621
I602
F6004
4n7
2619
5SW
10u
2602
3611
100R
I620
I617
I631
F6001
I625
I613
3607
1K0
I612
10n
2601
5SW
I630
I611
I614
5600
10u
I609
2623
100n
I607
4601
3602
4K7
I608
I615
3p3
2621
2620
3p3
2u2
2627
50V
2603
100n
1
2
3
4
1600
18M432
5SW
1960
B4B-PH-K
I601
10u
2600
1n0
2617
4n7
2618
2609
56p
I605
56p
2607
5602
10u
I624
100n
2606
100R
3612
10u
5601
6600
BAS316
F6002
10n
2604
I623
2611
47u
I616
5SW1
8SW
2626
2u2 50V
8SW
5SW1
3601
100R
STBYQ
4
TESTEN
7
TP
29
VREF1
25
VREF2
42
VREFT
OP
5
XT
AL_IN
6
XT
AL_OUT
32
22
RESETQ
40 SC1_IN_L
41 SC1_IN_R
31
SC1_OUT_L
30
SC1_OUT_R
37 SC2_IN_L
38 SC2_IN_R
11
14
I2S_CL
17
I2S_DA_IN1
21
I2S_DA_IN2
16
I2S_DA_OUT
15
I2S_WS
43 MONO_IN
23
24
28
DACM_L
26
DACM_R
20
D
VSS
19
DVSUP
9
D_CTR_IO0
8
D_CTR_IO1
12
I2C_CL
13
I2C_DA
AHVSS
33
AHVSUP
2
3
ANA_IN-
39
ASG
44
A
VSS
1
A
VSUP
34
CAPL_M
27
MSP3415G
7408
18
ADR_CL
10
ADR_SEL
36
AGNDC
35
2608
10u
1K0
3606
I604
I610
10u
2605
100R
3603
10K
3600
10n
2610
I603
4u7
2612
AFEL
AFER
RSA2
RSA1
SDASW
SCLSW
SIF1
5SW
8SW
ANALOG BOARD
Multi Sound Processing (MSP)
A/V board LX7500R, 241104
4
2
3
1
OSCILLOGRAMS
..
..V MEASURED IN RECORD MODE
..V MEASURED IN PLAYBACK MODE