44
LC8.1U LA
7.
Circuit Diagrams and PWB Layouts
SSB: Class-D & Muting
HVP1
DIAG
OUT2
OUT1
CGND VSSA
IN1P
VSSD|HW
IN1N
IN2P
IN2N
INREF
OSCREF
OSCIO
HVPREF
DREF
ENGAGE
POWERUP
TEST
GND_H
S
VDDP
VSSP
VDDA
STAB2
STAB1
BOOT2
BOOT1
HVP2
C
D
E
F
1301 C15
1302 B15
2301 A6
2302 A9
2304 A6
2308 B9
2309 C9
2310 C10
2311 C7
2312 C8
2313 C13
2314 C12
2315 C7
2316 C7
2317 C13
2318 D11
I330
1
2
1n0
2317
3
4
5
6
7
10K
8
9
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
A
B
C
D
E
F
A
B
932225872685
-1V3
GND
CLASS-D & MUTING
RE
S
-12V2
RE
S
RE
S
-8V2
2319 D8
2320 D7
2321 C11
2322 D8
2323 D13
2324 D8
2325 D10
2326 D13
2327 D10
2328 D12
2329 D8
2330 E10
2331 E11
2332 E8
2333 F9
2334 F9
2335 D11
2336 E11
TO SPEAKERS
2SD2653K
-2V6
TO ANALOG-IOs
RIGHT +
2337 B13
2338 E13
2339 D2
2340 E8
2341 E13
2342 F6
2345 E9
2346 C5
2347 C5
3301 A5
3302 A8
3303 C7
3304 C8
3305 B13
3306 C7
EMC
-2V8
2V6
RES
EMC
3307 C7
3308 D8
3309 C11
3311 D7
3312 D10
3313 D8
3314 E13
3315 D10
3317 D11
3319 E8
3326 E8
3327 E13
3328 E13
3332 C4
3333 C3
0R
932225872685
RES
2SD2653K
-2V8
3334 C4
3335 C4
3337 D3
3338 D2
3342 E4
3343 E4
3344 C2
3345 C3
3346 B5
3347 B5
3348 B2
4301 E6
4302 F6
5301 A5
5302 A8
5303 C12
5304 D12
5305 A5
5306 A8
5307 E6
5308 E6
6302 E3
6303 E3
6304 C2
6305 C2
TO FLASH&NVM
NC
-7V6
RES
3V3
RES
0V
-2V8
3V9
7301 C9
7302 C3
7303 D3
7304 C4
7305 C4
7306 E14
7307 E14
7308 E5
7309 C2
F301 A5
F302 A8
0V
3V2
RES
-2V8
DC-DETECTION
FROM STANDBY uP
LEFT -
F304 D10
F305 C7
F306 D7
F307 C15
F308 C15
F309 D7
F310 C15
F311 C15
F312 E7
F313 C1
F314 D2
F315 E1
8V9
RES
11V9
RES
GND
FROM STANDBY uP
3V3
F316 C5
F317 C5
F318 E7
F332 E15
F333 A6
F334 A6
F335 A9
F336 A9
I301 C7
I302 C8
I303 C10
I304 B13
I305 C7
I306 C8
I307 C10
I309 C8
TO SUBWOOFER OUT
12V2
I310 D7
I311 D7
I312 D8
I313 D8
I314 D10
I315 D8
I316 D10
I317 E13
I318 D10
I319 D8
I321 E8
I322 E8
I329 E14
I330 D2
I333 D8
I335 C11
I336 D11
I337 D13
I338 E11
I339 E11
I340 E4
I342 C4
I343 D3
I344 E3
MUTING CIRCUIT
TO FLASH&NVM
4V7
+12V2
3333
100n
2
33
4
10K
7306
F302
SNDGND
BC847BW
3343
22K
2322
100n
1n0
2331
1n0
2321
I307
7305
2SD2704K
470n
1n0
2345
2314
F301
F313
1K0
3332
3342
+12VAAudi o
10K
5307
+12VDAudio
30R
+12VAAudio
+12VAudio
GNDSND
4K7
3337
I3
04
F305
I337
I303
-12VDAudio
6
3
0
3
BA
S3
16
220p
2319
4
GNDSND
GNDSND
1301
1735446-4
1
2
3
GNDSND
470n
2
3
40
3312
2304
I316
-12VAAudi o
220u
25V
I336
I343
I344
3317
10R
F307
2302
100n
F314
1n0
2336
2335
1n0
GNDSND
100n
2301
F335
10K
30R
5306
2346
3347
100u
1n0
2332
30R
5305
10K
3311
10n
I305
2342
1n0
2318
F311
GNDSND
I321
I322
3301
F332
10R
GNDSND
15n
2325
-12VAAudi o
I301
22u
5303
GNDSND
I342
-12VAAudi o
22u
22u
5301
5302
I317
I310
I319
GNDSND
F315
I313
-12VAAudi o
3315
I302
3307
10K
30R
5308
6
3
02
BA
S3
16
220p
2312
3335
10K
2
3
1
3
7307
BC847BW
7308
+3V3STBY
BC847BW
3309
10R
7302
-12VAAudio
-12VDAudio
BC857BW
F309
10R
3302
4K7
3338
BAS316
6305
3344
10K
3308
3304
68K
68K
2339
1u0
F318
I329
10K
3303
I340
+12VDAudio
GNDSND
2324
100n
2347
100u
+3V3STBY
3345
GNDSND
F336
25V
220u
2308
GNDSND
I311
100n
2
333
I309
2
3
09
1u0
100n
4302
2311
2330
100n
4301
GNDSND
3326
F306
470n
2328
BC857BW
I333
7303
33
05
F334
GNDSND
I306
F316
2338
I318
GNDSND
220K
3327
220K
3328
2315
F333
1u0
I339
10K
I338
+3V3STBY
3348
I315
GNDSND
BC847BW
+3V3STBY
7309
BAS316
6304
I335
2
33
7
GNDSND
GNDSND
F308
1u0
2316
I312
F312
-12VDAudio
F317
F310
2
3
10
-12VAudi o
100n
2323
1n0
1302
1
2
3
22u
5304
3319
10K
2326
3306
10K
3
2
26
2
3
I314
24
13
8
29
20
9
1
16
17
3
2
14
15
12
31
10
27
22
6
25
28
21
7
4
18
5
33
30
19
11
CLASS D
POWER
AMPLIFIER
TDA8932BTW
7301
Φ
F304
1u0
2320
7304
2SD2704K
100n
2329
1
u
0
2
3
41
2327
15n
GNDSND
1K0
3334
3314
GNDSND
GNDSND
39K
3313
3346
+3V3_SW
HP_L
HP_R
FAST_PLOP
10K
ANTI_PLOP
HP_ROUT
HP_LOUT
STANDBYn
LEFT-
RIGHT+
PreAmpR
PreAmpL
DC_PROT
MUTEn
POWER_DOWN
B3
B3
H_17740_003.eps
210108
3139 123 6359.2
Содержание 32PFL3403D/85
Страница 65: ...Circuit Diagrams and PWB Layouts 65 LC8 1U LA 7 Layout Small Signal Board Part 1 Bottom Side Part 1 ...
Страница 67: ...Circuit Diagrams and PWB Layouts 67 LC8 1U LA 7 Layout Small Signal Board Part 3 Bottom Side Part 3 ...
Страница 74: ...74 LC8 1U LA 7 Circuit Diagrams and PWB Layouts Personal Notes E_06532_013 eps 131004 ...
Страница 96: ...www s manuals com ...