Yamaha DVR-S150 Service Manual page 79

A B
DVR-S150 SCHEMATIC DIAGRAM (SUB) DVR-S150 SCHEMATIC DIAGRAM (MAIN 2/3)
1
3.9
0
4.9
2
0
4.9
0 -5.1
4.9
4.8
0
0 0
4.8 4.8
0 0
0
0 5.0
10.5
3
SYSTEM CONTROL
0.1
4.7
0
FB07VA121TB
FB07VA121TB
-11.8
-12.0
FB07VA121TB
FB07VA121TB
4
Page 77
A5
4.4
to MAIN (1)
Page 79
A4
to SUB (1)
Page 76
J7
to MAIN (2)
5
FRONT_L
0
6
Page 76
J5
to MAIN (2) CENTER
Page 78
D1
to MAIN (3)
-12.2
REAR_L
7
4.8
0
8
Downloaded From TheatreSystem-Manual.com Manuals Downloaded From TheatreSystem-Manual.com Manuals
C D
Page 75 B1
to DIGITAL
3.9 1 3 4 4.9
6
0 5
2
0 9
8
0
0 4.9
10
3.6
0
0 0 0
3.6
0
7
13
12 0
4.9
0
3.6
12
14
4.9
4.9
5.6
0 0
30.2
10.8
0
10.8
0
5.0
0
0
5.0
5.0
5.0
4.8
5.0 5.0
2.5 5.0
11.8
11.8 20.9
0.1
0
0
2.5
0
0
-12.2 -21.0
-12.0
-12.2
-21.7
5.0
5.0
-21.2
5.0 13.5
0
D-AMP
0
-19.3
0 MODULE
0 -18.8
0
0
-18.8
11.8
-29.7
-5.1 -14.2
11.8 0
D-AMP
0 -19.3
MODULE
0 0
-18.8
-18.8
-29.7
0
0
0 D-AMP
-19.3
MODULE
3 CH1
11.8
-18.8
-18.8
-29.7
12.5
12.5
7.0
4.8
11.8
0
D-AMP
0 -19.3
MODULE
3 CH2
0
0
-18.8
-12.2
-18.8
-29.7
6.7 6.2
0
5.0
5.7 7.9
-12.2
6.3 0
0
0
D-AMP
0 -19.3
6.3 0.7
0 MODULE
6.2
0
-18.8
-18.8
-29.7
0 0 0
0
E F
Page 73 E5
Page 71 C7
to DVD M4
to DVD M2
Page 79 E2
to SUB (3)
Point 3
CH1: Emitter of Q272
CH2: Collector of Q271
V: 5V/div, H: 4.0sec/div
DC, 1 : 1 probe
CH1
Page 77
E1
CH2
to MAIN (1)
AC POWER ON AC POWER OFF
(Connect the power cable) (Disconnect the power cable)
8.5
0 0
-0.1
20.7
-4.5
-0.1
20.7
0
4.9
0.3
5.4
3.3 5.0
5.9
5.0 0.9
3.3
0
0.3
0
0
-21.9
-29.7
-21.8
-21.0
20.9
-0.1
5.0 AC32.6
0
0
AC10.4
5.7
AC4.9
12.8 0
5.5
5.0
0
0
12.5
3.7
7.9
12.7
3.7
3.6 3.6 5.0
0
0
0
10.8
0
G H I
Page 73 D5
to DVD M4
Page 76 Page 78
J5 I3
to MAIN (2) to MAIN (3)
5.0
5.0
5.0
0 0
Page 74 0 0
0.1
B1
30.2
AC45.5
to DVD M5
-29.7
0.1
5.1
0
12.0
Page 78
0
0
0
I-2
0 0.7
to MAIN (3) 0
5.0
0
10.8
0
5.0
0
0
5.0
0
0
X : NOT USED
* All voltages are measured with a 10M Ω /V DC electronic volt meter. * All voltages are measured with a 10M Ω /V DC electronic volt meter.
* Components having special characteristics are marked Z and * Components having special characteristics are marked Z and
must be replaced with parts having specifications equal to must be replaced with parts having specifications equal to
those originally installed. those originally installed.
* Schematic diagram is subject to change without notice. * Schematic diagram is subject to change without notice.
J K
DVR-S150/NX-P150
OPEN/CLOSE
X : NOT USED
IC1 : NJM22279M
Video Switch
REMOTE
CONTROL
14 13 12 11 10 9
SENSOR
1
2
1 2 3 4 5 6
PHONES Page 79
J6
to SUB (1)
(1)
YPAO MIC
(1)
Page 79
G6
to SUB (1)
0
0
-12.1
Page 77 J4
to MAIN (1)
IC2Ð4 : NJM2068MD IC14 : PQ025EZ5MZP
Dual OP-Amp Voltage Regulator
1 3
DC INPUT (VIN) DC OUTPUT (VO)
OUT 1 8 +V
1 CC
I C
ÐIN 2 7 OUT
1 2
+ Ð + Ð
+IN 1 3 6 ÐIN 2
2
ON/OFF CONTROL (VC)
ÐV 4 5 +IN
CC 2
5
GND
Z Z
8
7
77