Yamaha DVX-S301 Service Manual page 46

DVR-S300/
NX-P301/NX-P302
Q Q
3 7 6 3 1 5 1 5 0
I DVR-S300 SCHEMATIC DIAGRAM
FOR INFORMATION ONLY (NO REPLACEMENT COMPONENT PARTS WILL BE AVAILABLE)
1 2
AV BOARD 3/8
AV_AUDIO ( Dif_Amp for 6-channels )
A
3301
DAC_L_+
1K5
3303 3302
6K8 2K2
GND_A
3305
B DAC_L_-
1K5
2n2
2305
GND_A
3309
DAC_R_+
1K5
C
3311 3310
6K8 2K2
3313
GND_A
DAC_R_-
1K5
2n2
2309
GND_A
D
3317
DAC_LS_+
1K5
3319 3318
6K8 2K2
T E
L 1 3 9 4 2 2 9 6 5 1 3
GND_A
3321
DAC_LS_-
E 1K5
2315
2n2
GND_A
3325
DAC_RS_+
1K5
F 3327
3326
6K8 2K2
3329 GND_A
DAC_RS_-
1K5
2318
2n2
GND_A
G 3333
DAC_C_+
1K5
3335 3334
2K2
6K8
GND_A
3337
DAC_C_-
1K5
H
2322
2n2
GND_A
3341
3342
DAC_LEF_+
1K5
*
3344 3343
I
22K 2K7
GND_A
w w w
3346
3347
DAC_LEF_-
1K5
330p
2329
2330
* 2n2
GND_A
1 2
46
3 4 5 6
2331
+12Va_Dif_LR 3350
100n 1u0
680R
2300
3300
8
7300-1
GND_A MUN2211J
3
5K6
1
HP_L
2
NJM4556AM
4
100n
2301
GND_A -12Va_Dif_LR GND_A
3304 2302
GND_A
5K6 100p
2332 3360
3307 3306
1u0 680R
6K8 2K2
+12Va_Dif_LR
+3V3M
8
5K6 7300-2
5
7
3308 HP_R
6
NJM4556AM
4
6300
-12Va_Dif_LR
AV_Mute
BAS316
3312
2307 6301
GND_A
MUTE_LR_SUB
5K6
100p BAS316
6302
3315 3314
Mutec
BAS316
6K8 2K2
+12Va_Dif_SLR
6303
100n HP_Mute
BAS316
3316 2310 2333 3367
GND_A
7301-2
5K6 5
1u0 680R
LM833D
7
6
100n
2312
GND_A GND_A
-12Va_Dif_SLR
2313
3320
5K6 100p
GND_A
3323 3322
6K8 2K2
2334 3377
+12Va_Dif_SLR
1u0 680R
3324
7301-1
3
5K6 +3V3M
LM833D
1
2
-12Va_Dif_SLR 6304
AV_Mute
3328 GND_A 2317
BAS316
5K6 100p
3331 6305
3330
MUTE_SL_SR
2K2 BAS316
6K8
6306
Mutec
BAS316
+12Va_Dif_LFE
6307
HP_Mute
3332
BAS316
5 7302-2
5K6 2348
LM833D
7
6
1u0
-12Va_Dif_LFE
GND_A
2321
3336
5K6 100p
3339 3338
GND_A
6K8 2K2
+12Va_Dif_LFE
100n
3340 2323
GND_A
3 7302-1
12K 50V 10u
LM833D
1
2
2349
100n
2324
GND_A
-12Va_Dif_LFE
GND_A
2326
3345
470p
12K
3349 3348
x a o
y
22K 2K7
. i
3 4 5 6
http://www.xiaoyu163.com
The first digit of a component indicates the component type.
1xxx : Connector 3xxx : Resistor
2xxx : Capacitor 4xxx : SMD jumper
7 8 9 10
3351 3352
680R 100R
3354
7312
3356 3358
100R
7310
1K0 1K0
MUN2211J
7311
3357 3359
GND_A GND_A
1K0 1K0
7313
MUN2211J MUN2211J
3361
680R
7314
BC857B
Sub_Mute
47K
-12V_Mute
3364
3362
27K
DGND GND_A
GND_A
BAT54 COL
PWR_DN
6315
*
3368 3369
680R 100R
3371
3373 3375
100R
7315 1K0 1K0
Q Q
MUN2211J
7317
3 7 6
MUN2211J
3374 3376
GND_A GND_A
7316 1K0 1K0
MUN2211J
7318
MUN2211J
3378
680R
7319 7320
BC857B BC857B 3386
+3V3M
47K
3379 3384
-12V_Mute
27K 6308 27K
HP_Mute
3380 BAS316 6309
AV_Mute
1K0 BAS316 3385
GND_A GND_A
6310 1K0
MUTE_CEN
BAT54 COL BAS316 BAT54 COL
PWR_DN PWR_DN
6313 6311 6314
Mutec
BAS316
3389 3390 3391
680R 680R 100R
3393
3395 3397
100R
1K0 1K0
7321
7323
MUN2211J
MUN2211J
3396 3398
GND_A
GND_A
1K0 1K0
7322
7324
MUN2211J
MUN2211J
3399 3388
680R 680R
Sub_Mute
u 1 6 3
7 8 9 10
# Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
# Schematic diagram is subject to change without notice.
http://www.xiaoyu163.com
2 4
8 9 9
5xxx : Coil 7xxx : IC, Transistor, FET
6xxx : Diode 9xxx : Wire jumper
11 12 13 14
T300
T301
GND_A T302
SYSTEM
T303
CONNECTOR
T304
PBox_Ctrl
GND_A
T305
1300
1216-004-15S-AAC
3 1 5 1 5 0 8 9
1 PB_Ctrl
T306 2 NC
T307
3 NC
4 Center
5 Gnd_Cen_sub
6 Gnd_D
7
GND_A Gnd_D
T308 8 GND
9
Subwoofer
10 Gnd_SL_SR
11
Front_Left
12 Front_Right
13
GND_LR
14 Surround_Right
15
-12V_Mute Surround_Left
16 17
GND_A
m
c o
.
11 12 13 14
2
8 9 9
1300 E14 3367 D6
2300 A4
3368 D8
2301 B4 3369 D10
2302 B4 3370 E10
2303 A3 3371 D10
2304 A2 3372 E10
2305 B2
3373 D7
2306 C3 3374 E7
2307 C4 3375 D8
2308 C2 3376 E8
2309 D2 3377 E6
2310 D4 3378 E8
2311 D3
A 3379 F7
2312 E4 3380 F7
2313 E4 3381 F8
2314 D2 3384 F9
2315 E2 3385 F9
2316 F3
3386 F10
2317 F4 3388 H8
2318 F2 3389 G7
2319 G3 3390 G8
2320 G2 3391 G10
2321 H4 3392 H10
2322 H2
3393 G10
B
2323 H4 3394 H10
2324 I4 3395 H8
2325 I3 3396 H8
2326 I4 3397 H8
2327 I2 3398 H8
2328 I2
3399 H7
2329 I3 3400 C8
2330 I2 4300 H6
2331 A6 4303 D7
2332 B6 6300 C6
6301 C6
2333 D6
2334 E6 6302 C6
C
2335 A9 6303 D6
2336 B9 6304 F6
2337 C7 6305 F6
2338 C8 6306 G6
2339 D9 6307 G6
2340 E9 6308 F8
2341 F7 6309 F8
2342 F7 6310 G8
2343 F9 6311 G8
2344 F10 6313 G7
6314 G9
2345 H9
D 2346 H9 6315 D7
2347 F2 7300-1 A4
2348 G6 7300-2 C4
2349 I6 7301-1 F4
7301-2 D4
3300 A3
7302-1 I4
3301 A1
3302 B3 7302-2 G4
3303 B2 7310 A7
3304 B3 7311 B7
2 4 9 8 2 9 9
3305 B1 7312 A9
3306 B4 7313 B8
3307 B3 7314 B7
E
3308 C3 7315 E7
3309 C1 7316 E7
3310 C3 7317 E8
7318 E8
3311 C2
3312 C3 7319 F7
3313 C1 7320 F9
3314 D4 7321 H7
3315 D3 7322 H7
3316 D3 7323 H9
7324 H9
3317 D1
3318 E3 T300 A11
3319 D2 T301 A11
F
3320 E3 T302 A11
3321 E1 T303 D11
3322 E4 T304 D11
3323 E3 T305 D11
3324 F3 T306 E13
3325 F1 T307 E12
3326 F3 T308 E12
3327 F2
3328 F3
3329 F1
3330 F4
3331 F3
G
3332 G3
3333 G1
3334 H3
3335 H2
3336 H3
3337 H1
3338 H4
3339 H3
3340 I3
3341 I2
3342 I1
H
3343 I3
3344 I2
3345 I3
3346 I2
3347 I1
3348 I4
3349 I3
3350 A6
3351 A8
3352 A10
3353 A9
3354 A10
3355 A10
I
3356 A7
3357 B7
3358 A8
3359 B8
3360 B6
3361 B8
3362 C7
3363 C7
3364 C8