EN 73
7.
LX7500R
Circuit Diagrams and PWB Layouts
VL
VIN VCC
BST
DH
LX
FB
DL
GND
COMP|EN
B
C
D
E
A
B
C
D
E
1300 A9
1301 A1
1303 B9
1304 C9
1305 D9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
A
1306 C4
1307 A2
2300 D2
2301 D3
2302 D4
2303 E1
2304 D5
2305 A4
2306 A6
2307 A8
2308 A8
2309 B7
2312 E7
2313 E5
2314 E5
2315 D2
2316 E2
2317 C5
2318 A5
2319 C7
3300 A7
3301 A7
3302 A3
3303 A3
3304 B7
3305 B8
3306 C6
3307 C8
3308 C7
3309 C8
3310 C8
3311 A5
3312 A6
3313 D7
3314 D7
3315 A5
2310 D7
2311 E7
3316 A6
3317 E7
3318 E7
3319 A3
3320 A4
3321 E7
3322 E7
3323 E2
3324 E2
3325 D2
3326 D3
3333 B1
3334 B1
3335 C1
3336 A2
3337 B4
3338 C4
3339 A5
3340 B5
3341 C5
3342 C7
4000 A8
4001 A8
5300 D5
5301 D4
6300 B7
6301 E7
6304 D3
6305 B5
7300 A8
7301 A3
7302 A8
7303 B7
7304 C7
7305 A5
7306 C7
AUX SUPPLY BOARD
3327 E3
3328 D2
3329 E2
3330 B2
3331 B2
3332 B1
7307 A6
7308 D7
7309 A4
7310 E7
7311-1 E4
7311-2 D4
7317 D3
7319 B2
7320 C2
7321 B1
7322 B4
F300 A2
F301 A2
F302 A2
F303 A2
F304 A1
F305 A1
F306 A1
F310 B9
F311 A9
F312 A9
F313 A9
F314 A9
F315 A9
F316 A9
F317 A9
F318 C9
F319 C9
F320 C9
F321 C9
F322 E5
F323 D9
F324 E9
F325 E9
F326 E9
F327 E9
F328 E9
F329 D9
220K
3338
F307 A1
F308 A1
F309 B9
4K7
3322
220K
3315
22R
3327
3326
22R
1u0
2301
F304
PMV60EN
7306
3310
10K
4
5
6
7
8
9
1
10
11
12
13
2
3
1301
B13B-EH-A
2313
2m2
10V
2302
1m0
16V
F325
3303
10K
3300
10K
3320
2K7
F308
F313
2315
1u0
3341
100R
3340
100R
150K
3337
BAW56W
6305
PMV60EN
7322
220R
3336
7320
BC847BW
7319
BC847BW
10K
3333
2303
1u0
3321
4K7
2306
10u
16V
2
3
4
5
6
7
8
9
PH-B
PH-B
1300
1
10
11
12
13
F307
1K5
3318
7308
PMV60EN
4000
150K
3311
7307
BC847BW
100n
2319
2318
100n
100n
2317
3342 100R
10n
100R
3339
2300
3308
220K
7300
PMV60EN
3301
1K5
PMV60EN
7310
3314
2K7
3307
10K
F326
15u
5300
1306
2A
F
2311
10u
16V
F329
10u
5301
8
3
4
5
MAX1967EUB
7317
10
1
9
6
2
7
F319
F301
F320
F324
F300
F310
F309
3K3
3324
F312
2309
10u
16V
3323
1K0
F302
F316
F315
F317
12
2
3
4
5
6
7
8
9
1303
1
10
11
6301
BZX384-C6V8
4K7
3304
10K
3317
1u0
2304
3331
10K
7305
PMV60EN
10K
3309
5
6
4
3
7311-2
STS8DNF3LL
3335
10K
3306 150K
F 1.0A
1307
06FMN-STK-A
1
1020
2
3
4
5
6
1304
F311
7309
PMV60EN
4001
2316
1u0
3329
68K
F303
BC847BW
7304
F323
F328
F318
3313
10K
F327
68K
3328
2308
10u 16V
10R 3325
2307
10u
16V
F321
F314
F322
3302
1K0
7301
BC847BW
2
1
7302
PMV60EN
STS8DNF3LL
7311-1
7
8
3305
4K7
10K
3319
F306
2314
1u0
F305
16V
10u
2305
10K
3312
3316
10K
10K
3330
10K
3332
100K
3334
7321
BC847BW
2310
10u
16V
2
3
4
5
6
7
8
9
1305
PH-B
1
10
11
12
PMV60EN 7303
2312
10u 16V
BZX384-C6V8
6300
BAT54 COL
6304
IP_FAIL
+5V_stdby
+5V_stdby
+12V_DCDC
-5V_stdby
+12V
+12V
+33V_stdby
+33V_stdby
+3V3_combi
+3V3
+3V3_digi
+3V3
+12V_DCDC
-5V_stdby
STANDBY
IP_FAIL_AV
IP_FAIL _COMBI
+12V_stdby
+5V_AV
+5V_digi
-5V_AV
-5V_digi
+5V_stdby
+12V_digi
INV_ON
+3V3
+3V3_digi
+3V3_AV
+12V_digi
+5V_stdby
+12V_A
-5V_A
-5V_stdby
+12V_A
+12V
+12V_A
+33V_stdby
POWER_ON
+3V3
+12V_A
+5V_A
+5V_combi
+5V_digi
IP_FAIL_COMBI
STANDBY
POWER_ON
POWER_ON
AMP_ON
-5V_A
-5V_stdby
-28V
+12V
+12V_digi
+5V_stdby
AMP_ON
+33V_stdby
-28V
IP_FAIL
+5V_stdby
INV_ON
+12V_digi
+12V_digi
+3V3_combi
+5V_combi
+12V_A
+5V_stdby
+5V_A
INV_ON
+12V_digi
-5V_digi
+12V_stdby
+33V_stdby
+5V_stdby
-5V_stdby
+5V_AV
-5V_AV
+3V3_AV
IP_FAIL_AV
INV_ON
# for provision only
1
1810
1
J3
3V3 SWITCHED MODE REGULATOR
to/from AV BOARD 1934
4
to/from DIGITAL BORD 1500
5
AUX SUPPLY BOARD LX7500R, 241104
4,9V
-5,1V
5V
12,4V
33,2V
-28V
3,6V
0,7V
9,7V
3,3V
3,3V
12,4V
12,4V
5V
-5,4V
0,2V
7V
12,4V
12,4V
20,1V
0V
3,3V
3,3V
9,8V
5V
-5,4V
0,1V
7V
-5,4V
5V
10,5V
-5,4V
10,8V
5V
20V
20V
0V
0V
0,6V
0V
0V
0V
5V
5V
0/4,7V
12,4V
5V
0,2V
0V
3,3V
5V
5V
34V
-5,4V
-5,3V
3,3V
12,4V
-5,3V
5V
0,2/2,6V
0,2/2,6V
4,8V
4,9V
0V
5V
5V
5V
-5,4V
-28,8V
3,3V
-5,3V
12,4V
1,7V
12,3V
5V
5V
4,7V
3,3V
3,3V
3,5V
12,2V
12,2V
8,4V
4,7V
3,3V
3,5V
3,3V
12,4V
12,4V
20,1V
EVM
V
DC voltages measured in Stop mode
with no audio output.
...V