EN 89
7.
LX7500R
Circuit Diagrams and PWB Layouts
4138 B7
4338 J7
MUTE
MUTE
REL1
SW1
EN1
REL2
SW2
EN2
VDDP2
VSSP1
-T
MUTE
MUTE
REL1
SW1
EN1
REL2
SW2
EN2
VDDP2
VSSP1
MUTE
MUTE
REL1
SW1
EN1
REL2
SW2
EN2
VDDP2
VSSP1
F140 C2
F141 F3
F142 F2
F143 K3
F109 C12
F111 C2
F112 C12
F113 C15
F114 C2
1318 G12
1400 H3
1600 I13
1601 J13
F115 E15
F116 F2
F117 F3
F118 F2
F119 F3
F120 F12
F121 G12
F122 G12
F123 H19
F124 H3
F125 I18
F126 I3
F127 I3
F128 K12
F129 K12
F130 K12
F131 L15
F132 I2
F133 H12
F134 D12
F135 L12
F139 B12
3
4
5
6
7
8
9
I
J
K
L
1301 C1
1302 B2
1303 K2
1304 G2
1305 K1
1306 B12
1307 K12
1308 F12
1320 I 4
1309 G1
1312 G2
1316 C12
1317 K12
1
2
A
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
2101 B8
2102 B8
10
11
12
13
14
15
16
B
C
D
E
F
G
H
I
J
K
L
A
B
C
D
E
F
G
H
2104 B9
2105 B9
2106 A10
2107 B10
2108 B10
2111 B10
2114 B10
2115 C10
2116 C11
2117 C11
2118 C11
2120 C10
2122 C10
2123 D11
2124 D11
2125 D11
2126 D10
2127 D10
2128 D9
2129 D8
2130 D8
2131 D7
2132 D7
2133 C7
2134 C6
2135 C6
2136 B7
2137 B7
2138 B7
2201 F8
2202 F8
2204 F9
2205 F9
2206 E10
2207 F10
2208 F10
2211 F10
2214 F10
2215 G10
2216 G11
2217 G11
2218 G11
2331 L7
2332 L7
2333 K7
2220 G10
2222 G10
2224 H11
2223 H11
2225 H11
2226 H10
2227 H10
2228 H9
2229 H8
2230 H8
2231 H7
2232 H7
2233 G7
2234 G6
2235 G6
2236 F7
2237 F7
2238 F7
2301 J8
2302 J8
2304 J9
2305 J9
2306 I10
2416 L3
2417 L3
2418 L2
2419 H2
2420 D3
2421 L2
2422 L3
2423 I 4
2307 J10
2308 J10
2311 J10
2314 J10
2315 K10
2316 K11
2317 K11
2318 K11
2320 K10
2322 K10
2323 L11
2324 L11
2325 L11
2326 L10
2327 L10
2328 L9
2329 L8
2330 L8
2334 K6
2335 K6
2336 J7
2337 J7
2338 K7
2400 I3
2401 G4
2402 G4
2403 G3
2404 G4
2405 G4
2406 G3
2407 G3
2408 B2
2409 B3
2410 B3
2411 D3
2412 D2
2413 D2
2414 D2
2415 L3
3301 K10
3302 K10
3303 K11
3304 L11
3305 L10
3306 L6
2425 B3
2500 C4
2501 D5
2502 D4
2600 H14
2601 H14
2602 I13
2603 I14
2604 I16
2605 I12
2606 J12
2607 J14
2608 I16
2700 L15
2611 I11
3100 B10
3101 C10
3102 C10
3103 C11
3104 D11
3105 D10
3106 D6
3107 B8
3108 B6
3109 E8
3151 C11
3152 D11
3153 C11
3154 D11
3200 F10
3201 G10
3202 G10
3203 G11
3204 H11
3600 I12
3601 I12
3602 I13
3603 H17
3307 J8
3308 J6
3309 M8
3351 K11
3352 L11
3353 K11
3354 L11
3400 B4
3401 B4
3402 C4
3403 C4
3404 C4
3405 C4
3406 C4
3407 C4
3408 D4
3409 D4
3410 K4
3411 J4
3412 K4
3413 K4
3414 A4
3415 A4
3416 A4
4337 J7
4400 C4
4410 L2
5102 B11
5103 C11
5202 F11
5203 G11
5302 K11
3417 B4
3418 B4
3419 B4
3420 H2
3421 B4
3422 H2
3423 B4
3424 J4
3425 K4
3426 K4
6600 I12
6713 K15
6714 K15
3604 I12
3605 I14
3606 I15
3607 J12
3608 J13
3609 J13
3610 J16
3700 K14
3701 K14
3703 K15
3709 L14
3712 L14
3713 K15
3716 L14
3718 L14
3721 L14
3722 L15
4133 C7
4137 B7
4238 F7
4232 H7
4332 L7
4132 D7
4233 G7
4237 F7
4333 L7
4512 C15
4511 B15
4521 C15
4522 C15
4501 B15
4502 B15
7710 K16
7716 L16
F100 B2
F102 B2
F103 B2
F104 B12
F105 C2
F106 C2
F108 C2
5303 L11
5400 G3
5401 G3
6715 L15
7100 B7
7200 F7
7300 J7
7600-1 I12
7600-2 I14
7600-3 I13
7600-4 H14
7600-5 I15
7600-6 H13
7602 I14
7607 J16
7608 J14
2117
220n
35V
220R
3404
2404
470u
2214
560p
1n0
2425
2326
560p
1n0
2418
F114
3
4
5
6
7
8
9
1309
B10B-EH-A
1
10
2
3405
3403
5K6
5K6
3402
5K6
5R6
3205
F106
330p
2331
100n
6713
BAS316
3106
2102
2302
100n
47K
2408
1n0
F130
2220
470n
2316
2419
100n
15n
2136
330p
5R6
3301
1
2
3
4
5
1316
EH-B
2216
470n
1n0
2410
100n
2500
100n
1n0
2409
2130
2106
22u
15n
2111
330p
2402
35V
470u
2131
F111
6714
3713
10K
BAS316
5R6
3201
100n
2227
100n
2201
3300
5R6
5302
1
22u
4400
220R
10R
3408
3109
100n
2107
5K6
3411
22R
3103
3304
1
2
3
4
5
6
7
8
22R
1307
F102
22R
3204
2335
7716
BC857B
2330
100n
68p
2125
470n
3303
22R
F112
22R
3104
100n
2129
100n
2128
5400
2207
100n
F129
560p
2114
2322
560p
560p
2314
5K6
5K6
3401
3400
2230
100n
2328
100n
2108
100n
2407
470u
35V
2416
1n0
560p
2315
2222
560p
100n
2229
F134
VDDP2
23
VSSA1
VSSA2
VSSD
VSSP1
VSSP2
PROT
SGND1
SGND2
STABI
SUB|VSSD
VDDA1
10
VDDA2
3
VDDP1
14
IN1+
IN1-
IN2+
IN2-
MODE
OSC
OUT1 16
OUT2 21
HIGH
HIGH
DRIVER
DRIVER
DRIVER
DRIVER
HAND-
HAND-
SHAKE
SHAKE
CTRL &
CTRL &
TEMP SENSOR
CURRENT PROT
MOD
MOD
PWM
PWM
MANAGER
INP
INP
STAGE
15
BOOT1
BOOT2 22
STAGE
OSC
MODE
STABI
LOW
LOW
F124
+A
AMP_LEFT
GND
AMP_RIGHT
L/R_ON
AMP_CENTRE
GND
CSUB_ON
NTC_AMP
GND
AMP_SR
AMP_SL
SUR_ON
AMP_SUB
GND
+A
-A
-A
GND
GND
7
8
9
100n
2304
EH-B
1306
1
2
3
4
5
6
14
VDDP1
23
VDDP2
12
VSSA1
VSSA2
24
VSSD
VSSP1
17
VSSP2
OUT2
PROT
SGND1
SGND2
STABI
SUB|VSSD
19
10
VDDA1
3
VDDA2
BOOT2
IN1+
IN1-
IN2+
IN2-
MODE
OSC
16
OUT1
21
STABI
MODE
OSC
STAGE
STAGE
INP
INP
BOOT1 15
22
MANAGER
PWM
PWM
MOD
MOD
CURRENT PROT
TEMP SENSOR
CTRL &
CTRL &
SHAKE
SHAKE
HAND-
HAND-
DRIVER
DRIVER
DRIVER
DRIVER
HIGH
HIGH
LOW
LOW
3712
47K
100n
2308
2301
100n
3415
5K6
3102
5R6
F108
10K
3722
F122
100n
2104
2105
100n
10K
F100
3420
3309
10R
470n
2225
EH-B
1
2
3
4
1318
3200
5R6
2231
330p
7710
BC847B
10R
3209
3419
5K6
2228
100n
1n0
2411
4
5
6
7
8
9
F128
10FE-ST-VK-N
1305
1
10
2
3
F133
F135
220n
2224
2120
15n
220R
3409
47K
3208
F109
2700
10u
3709
47K
3701
47K
2226
560p
470n
2116
680n
2118
680n
2123
680n
2218
680n
2223
680n
2318
680n
2323
560p
2115
F116
100n
2205
F103
100n
2307
1
2
3
4
F117
1317
100n
2208
2417
1n0
2414
1n0
3718
47K
47K
3206
22u
5103
1
5102
1
3422
100R
22u
330p
2236
3105
5R6
F131
BAS316
6x100W amplifier LX7500R, 210904
6715
3302
5R6
3107
10R
5K6
3410
10
2
3
4
5
6
7
8
9
1301
FE-ST-VK-NA
1
22u
5202
1
5401
F118
3100
5R6
1
2
3
4
5
6
1312( )
SXXB-EH-A
15n
2211
100n
2204
3413
5K6
2215
560p
F121
5K6
3421
F104
5R6
3202
2127
100n
2420
1n0
F140
3423
5K6
3307
10R
3703
47K
3716
47K
100n
2202
F120
3417
5K6
F119
1n0
2415
47K
3306
220n
2217
3207
10K
3721
10R
2306
22u
2234
2206
22u
220n
5R6
3101
3k9
3151
3k9
3153
3k9
3152
3k9
3154
2327
2422
1n0
100n
2421
4410
1n0
22R
3203
F139
100n
2101
2423
100n
SCREENCOVER
from Power Supply
J1
to LS socket
to LS socket
to LS socket
NTC
Temperature sensor
heatsink
1400
1320
RT-01T
100n
2336
330p
12
VSSA1
1
VSSA2
24
VSSD
17
VSSP1
20
VSSP2
2305
11 SGND1
2 SGND2
18 STABI
SUB|VSSD
19
12
1
24
17
20
19
1
20
10
VDDA1
3
VDDA2
14
VDDP1
23
VDDP2
IN1-
5 IN2+
4 IN2-
6 MODE
7 OSC
16
OUT1
21
OUT2
13 PROT
TDA8920/TDA8924
STABI
MODE
OSC
STAGE
STAGE
INP
INP
MANAGER
PWM
PWM
MOD
MOD
CURRENT PROT
BOOT1 15
22
BOOT2
8 IN1+
9
11
2
18
5
4
6
7
13
8
9
11
2
18
5
4
6
7
13
8
9
CTRL &
CTRL &
SHAKE
SHAKE
HAND-
HAND-
DRIVER
DRIVER
DRIVER
DRIVER
HIGH
HIGH
LOW
LOW
2325
470n
7100
TDA8920/TDA8924
7200
TDA8920/TDA8924
7300
TEMP SENSOR
F127
F126
5303
1
22u
5K6
3418
68p
2235
F143
F142
F141
1n0
2412
1308
EH-B
EH-B
EH-B
1
2
3
4
5
6
7
8
3700
47K
1302
FE-BT-VK-N
1
10
2
3
4
5
6
7
8
9
2334
470u
35V
2401
220n
F132
3426
5K6
5K6
3424
100n
2400
220n
2317
220n
2124
3305
3414
5R6
5K6
100n
2329
15n
2311
220n
2324
FE-BT-VK-N
FE-BT-VK-N
1303
1331
1
10
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
2320
15n
4138
EH-S
1304
3425
5K6
560p
2122
2405
35V
470u
1n0
2413
2403
100n
3406
220n
2134
5K6
68p
2135
35V
470u
2406
3416
5K6
3308
47K
5203
1
47K
3108
F105
22u
220R
560p
3412
2126
5K6
3407
ERROR
from 7710
FREQ_HOP
TEMP
from 3422
TEMP
to 1302
OUT_4
OUT_5
OUT_6
OUT_2
INPUT_6
INPUT_3
INPUT_6N
INPUT_5
INPUT_4N
INPUT_6N
INPUT_3
INPUT_5
INPUT_1N
Vdd
Vss
Vss
Vdd
Vss
Vdd
OUT_1
OUT_3
INPUT_1
INPUT_2N
INPUT_4N
INPUT_5N
INPUT_6
INPUT_2
MODE_12
MODE_34
MODE_34
MODE_56
INPUT_4
INPUT_5N
MODE_56
INPUT_1N
Vss
Vdd
INPUT_3N
INPUT_4
INPUT_5N
INPUT_6
ERROR
to 1302
Vdd
Vss
Vdd
Vss
Vss
Vss
Vss
Vss
Vss
Vss
OUT_1
OUT_3
OUT_4
OUT_5
OUT_6
OUT_2
Vss
Vss
Vss
Vss
INPUT_2
INPUT_3N
INPUT_4
INPUT_3N
INPUT_6N
Vdd
Vdd
Vss
Vss
Vdd
Vdd
Vss
Vss Vss
INPUT_3
INPUT_4N
Vss
Vdd
Vdd
Vss
Vss
Vss
MODE_56
CLOCK
from 7607
CLOCK
from 7607
CLOCK
from 7607
Vss
Vdd
Vdd
Vss
Vss Vss
INPUT_5
INPUT_2
INPUT_2N
Vdd
Vdd
Vss Vss
Vss
Vdd
Vss
Vss
Vss
MODE_12
INPUT_1
MODE_34
DC DETECTION
POWER SUPPLY
AMPLIFIER 1
FRONT L/R SPEAKERS
AMPLIFIER BOARD
AMPLIFIER 3
L
SUB
WOOFER
CENTER
RIGHT
LEFT
R
SURROUND SPEAKERS
AMPLIFIER 2
CENTER S SUBWOOFER
*
*
from COMBI board
1018
3
from COMBI board
1300
3
3209 I8
3300 J10
3205 H10
3206 H6
3207 F8
3208 F6
3254 H11
3251 G11
3252 H11
3253 G11
10K
3603
33p
2601
1600
5V
1
1
1
1
1
1
O1
O2
3608
1M
100K
3606
3
71
4
4
7600-2
74HCU04D
100K
3609
2605
470p
100n
2604
5
71
4
6
7600-3
74HCU04D
3602
100K
820R
820R
3601
6K8
3605
F125
700K
1601
2608
100p
12
BZX384-C5V6
6600
74HCU04D
7600-6
13
71
4
1n0
1K0
2606
3607
2600
100n
F123
14
8
7600-4
74HCU04D
9
7
10K
3604
BC847B
7602
7608
BC857B
602K7
74HCU04D
7600-5
11
71
4
10
3600
2607
100p
1
71
4
2
74HCU04D
7600-1
2603
100p
100p
2602
8
SD2
14
7
HEF4013BT
4
CD1
10
CD2
3
CP1
11
CP2
5
D1
9
D2
1
O1
2
13
O2
12
6
SD1
7607
3610
22R
CLOCK
5V
Vdd
5V
FREQ_HOP
from 1302
5V
5V
5V
5V
5V
CLOCK GENERATOR
10u
2611
100n
2501
100n
2502
p
p for provision only
470n
2138
470n
2137
4137
p
p
4132
470n
2132
470n
2133
4133
p
p
4238
470n
2238
470n
2237
4237
p
p
4232
470n
2232
470n
2233
4233
p
p
4338
470n
2338
470n
2337
4337
p
p
4332
470n
2332
470n
2333
4333
p
p
3k9
3251
3k9
3253
3k9
3252
3k9
3254
3k9
3351
3k9
3353
3k9
3352
3k9
3354
p
p
4502
4521
TDA8920
4ch output
Single Ended
TDA8924
Diversity identification jumpers
6ch output
Bridge Tied Load
4522
4501
4512
4511
A
A
B
B
C
C
B
B
C
B
B
C
A
C
D
E
C
4,2V
2,5V
2,9V
2,5V
2,3V
-19,8V
0V
0V
2,8V
0V
4,4V
4,4V
4,4V
2,4V
2,4V
5,3V
+28,5V
-28V
-28V
-28V
-28V
-28V
0V
-15V
-17,7V
0V
0V
0V
4,2V
2,6V
+28V
+28V
+28V
-28V
-28V
-28V
-28V
-28V
0V
-15V
-17,7V
0V
0V
0V
4,2V
2,6V
+28V
+28V
+28V
-28V
-28V
-28V
-28V
-28V
0V
-15V
-17,7V
0V
0V
0V
4,2V
2,6V
+28V
+28V
+28V
-28,5V
typ. 2,4V at 25
°
C
(measured via
Service Testprogram -
Temp. Test)
EVM
V
DC voltages measured in Stop mode
with no audio output.
...V