Yamaha DVR-S150 Service Manual page 59

A
DVR-S150 BLOCK DIAGRAM
1
DIGITAL
See page 75 SCHEMATIC DIAGRAM
SUB
See page 79 SCHEMATIC DIAGRAM
IR Remote
U351
2
STANDBY ON
SW333
Volume
SW331
Key
SW332
SW334~341
Audio Selector 22,23
IC121
3
61°64
FL Driver
IC221
FL Display
V221
MAIN
See page 76 and 78
SCHEMATIC DIAGRAM
4
To DVD
5
Downloaded From TheatreSystem-Manual.com Manuals
6
B C
IC6
23
73
Digital Amp Protect(ERR)
21
DC Protect(DC_PRT)
74
25
Head Phone Detect (HP_DET)
75
84,85
Power Down Detect(PW_DN)
93
CPU
Temperature Detect (THM_M)
M30626FHPFP
92
91
Sub-woofer Control Detect (V3_PRT)
94
Power Voltage Detect 1(Vl_PRT)
95
AC Power Voltage Detect (AC_PRT)
97
Power Voltage Detect 2(V2_PRT)
81,82
49
Power Relay Output(POW_RY)
13 15 29 30
1,2,50,54
XL2
16MHz
IIC_SCL
IIC_SDA
D E
SUB
See page 79 SCHEMATIC DIAGRAM
+B
FAN+24V Q19~21
FL-21V Q22
–B
2
DVD+12FE
DVD+12BE
OUT
Analog+12 IC271
COM
Video+5
Video–5
COM
OUT
Analog–12 IC272
MAIN
See page 76 SCHEMATIC DIAGRAM
DSP,FLD+5
DAC+5
DVD+5BE
DVD+5FE
S5BK
RESET
Q271
PW_DN
Q273
S5V
F G
C52 D8
C53
1
IC275
3
C290 C292
IN
D282
D284
OUT IN
IC273
COM
D283
C295 C293
C296 C294
COM
OUT IN
IC274
IN
D128
2 1
IC127
C210
3
D289
2
1
IC276
3
C302
FLAC4V+
FLAC4V–
Q272
D279
C286
D280
C279
T271
D278
Q274
POW_RY
C287
H
DVR-S150/NX-P150
RY271
59