Yamaha DVX-S301 Service Manual page 45

I DVR-S300 SCHEMATIC DIAGRAM
FOR INFORMATION ONLY (NO REPLACEMENT COMPONENT PARTS WILL BE AVAILABLE)
1
AV BOARD 2/8
A
B
+3V3_AD
C
SCL_DAC
SDA_DAC
D
1201
1
2
3
4
E
5
6
7
8
9
10
11
12
13
14
15
16
17
18
F
19
20
21
22
23
24
25
26
27
DGND
28
29
30
30FMN-BTRK-A
G
H
T218
I
1
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2 3 4 5
6CH AUDIO DAC
PCM_Data_Mic_In
33R
PCMCLK
3201
3204 33R
PCM_Data_Sub_Cen
PCM_Data_SLR
PCM_Data_LR
3209
33R
PCMDATA_LO
PCM_LRCLK
5208
PCM_BCLK
3216
5209 33R
+3V3_AD
+5VL +5VA +5VL +5VA
DGND
T201 +3V3_AD
DGND
* * *
T202 2212
PCM_Data_LR
GND_A_REF
10u 50V
DGND
T203 2214
PCM_Data_SLR Right_In
1u0
DGND
T204
PCM_Data_Sub_Cen
* *
DGND
T205 2215
DGND
GND_A_REF GND_A_REF
470n
DGND
T206
SCL_DAC
T207
+5VL +5VA +5VL +5VA
SDA_DAC
DGND
T208
Tu_SD
T209
* *
TU_CE 2216
T210 Left_In
TU_Dat_In 1u0
T211
TU_DO_STEREO
2219
T212
GND_A_REF
TU_CLK 10u 50V
T213
TU_MTK
T214
* *
DIG_IN_A
T215
GND_A_REF GND_A_REF
DGND
T217
AMP_ON
B, G models
6210
AV_MUTE
T219 BAS316
PWR_DN
DGND
T221
1
T223
1K0 3249
HP_Det
2
2228
DGND 3
T224
2u2
8
T227
1K0 3256
16
T225
14
+5VVID +5VVID
DGND
DGND DGND
3283
6204 3285
100K MUTE_TV MUX_EN
3286 BAS316 100R
47K 2244
1n5
DGND
DGND
DGND
2 3 4 5
The first digit of a component indicates the component type.
1xxx : Connector
2xxx : Capacitor
6 7 8 9
3200
33R
3203 33R
DGND
3206
DGND
33R
3207
33R
3208
33R
3210
1
DAC_SDIN1 GPO1
33R
2
DAC_SCLK GPO2
3
DAC_LRCK GPO3
4
VD_1 GPO4
2206
DGND
5
DGND_1 GPO5
100n
6
VLC GPO6
3222
7
SCL_CCLK GPO7
33R
3224
8
SDA_CDOUT VA_2
7200
33R
9
AD1_CDIN AGND_2
DGND
2207
CS42418
10
AD0_CS_ LPFLT
4u7 3225
DGND
11
INT MUTEC
10K
3232
12
RST_ AOUTA1-
100K
13
AINR- AOUTA1+
14
AINR+ AOUTB1+
15
AINL+ AOUTB1-
16
AINL- AOUTA2-
+5VA
GND_A_REF GND_A_REF
GND_A_REF
3244
+5VL
100R
7204
3273
SAA6581T
Φ
VDDD VDDA
560p
2230 22R
4
TU_RDS_IN
QUAL MPX 3251
2229 +12Va
1n0
7
RDDA CIN 22R
9
VREF MODE
1 0
SCOUT SYNC
DGND
15
RDSCL TCON
DGND DGND
13
OSCO OSCI
GND_A
VSSD VSSA
DGND DGND
3261
3265
-12Va
220K 22R
3274
4M332
22R
5212
2 1
T226
LA-8481
DGND
6 7 8 9
# 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.
3xxx : Resistor 5xxx : Coil 7xxx : IC, Transistor, FET
4xxx : SMD jumper 6xxx : Diode 9xxx : Wire jumper
10 11 12 13
5206
+3V3_AD
+3V3_AD
4201
+3V3_DAC
4202
DGND DGND
5207
+3V3_AD
DGND GND_A_REF GND_A
DGND DGND
3211
48
Source_sel_A0
1K0
3213
47
Source_sel_A1
1K0
3215
46
MUTE_LR_SUB
1K0
3217
45
MUTE_SL_SR
1K0
3220
44
MUTE_CEN
1K0
43
42
5210
41
+5VA
40
GND_A_REF
39
2208
38
Mutec 2n2
37
LO_Left_-
36
LO_Left_+
35
LO_Right_+
34
LO_Right_-
GND_A_REF
33
DAC_L_-
DAC_L_+
DAC_R_+
DAC_R_-
DAC_LS_-
DAC_LS_+
DAC_RS_+
DAC_RS_-
DAC_C_-
DAC_C_+
DAC_LEF_+
DAC_LEF_-
7203
BC547B
+12Va +5VA
T222 3246
+12Va_LO
22R
3247 GND_A_REF
+12Va_Dif_SLR
22R
3255
+12Va_Dif_LR
22R
3257
+12Va_Dif_LFE BAS316
GND_A_REF
+5VL
22R
6209
*
BC547B
7205
BAS316
+12Va
6206
3262
-12Va_Dif_SLR
22R
3269 GND_A GND_A
-12Va_Dif_LR
22R
3270
-12Va_Dif_LFE
22R
3271 GND_A
-12Va_LO
22R
3272
-12V_Mute
10 11 12 13
DVR-S300/
NX-P301/NX-P302
14 1200 B10 5210 C13
5211 F8
1201 E1
2200 A10 5212 I6
2201 A10 6204 I3
2203 B10 6205 G12
2204 C2 6206 H12
2205 C3 6208 I13
2206 C6 6209 H12
2207 D6 6210 G3
2208 D12 7200 C8
2209 D12 7201 F14
2210 D12 7203 G12
2211 D11 7204 G6
A
2212 D4 7205 H13
2213 D4 7206 I3
2214 D4 7207 I4
2215 E3 T201 D2
2216 F4 T202 D2
2217 F4 T203 D2
2218 E8 T204 E2
2219 F4 T205 E2
2221 F6 T206 E3
2222 F7 T207 E3
2223 F7 T208 F3
B 2224 F7 T209 F3
2225 F1 T210 F3
2226 F14 T211 F3
2227 G5 T212 F3
2228 H5 T213 F3
2229 H7 T214 F3
2230 G7 T215 G3
2232 G13 T217 G3
2233 H7
T218 I2
2234 H7 T219 G3
2235 G12 T221 G3
2236 H4 T222 G9
C
2237 H5 T223 G3
2238 H9 T224 H2
2239 H9 T225 H2
2240 H12 T226 I9
2241 H12 T227 H2
2242 I6
2243 I6
2244 I4
3200 A6
3201 A5
3203 A7
3204 A5
D
3206 B7
3207 B7
3208 B6
3209 B5
3210 B6
3211 B10
3213 C10
3215 C10
3216 C5
3217 C10
3218 C3
E
3219 C3
3220 C10
3221 B8
3222 C6
3224 C6
3225 D6
3226 D4
3227 D5
3228 D5
7201
MC78FC33H
3229 D5
3230 D12
2 3 +3V3_A
IN OUT
3231 D12
F
COM 3232 D6
3233 E5
3234 E5
3235 F5
3236 F5
3237 F5
DGND
3238 F5
3239 F5
3240 F5
3244 G7
3246 G10
G 3247 G10
3248 G12
3249 H4
3250 H7
3251 H9
3255 H10
3256 H4
3257 H10
3259 H4
3260 H5
3261 I6
+3V3M
3262 I10
H
3263 I6
3264 H13
3265 I9
3269 I10
3270 I10
3271 I10
3272 I10
3273 G9
3274 I9
3281 I2
3282 I4
3283 I2
I
3284 I3
3285 I4
3286 I2
3287 I3
4201 A12
4202 B12
5206 A10
5207 B10
5208 C2
5209 C4
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