Yamaha DVX-S150, Руководство по обслуживанию

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A B C D E F G H
1
2
3
4
5
6
I J K
7
8
DVR-S150/NX-P150
75
■
DVR-S150 SCHEMATIC DIAGRAM (DIGITAL)
DIR
CPU
REGULATOR
REGULATOR
ADAM
(DECODE DSP)
EVE
(POST PROCESSING DSP)
4M DRAM
CODEC
VIDEO_L
(ANALOG IN)
VIDEO_L
(ANALOG IN)
VIDEO_L
(ANALOG IN)
ANALOG IN
(DIGITAL)
ANALOG IN
(DIGITAL)
CENTER
CENTER
CENTER
CENTER
CENTER
C/LFE
SL/SR
SBL/SBR
L/R
FRONT_L
FRONT_L
FRONT_L
FRONT_L
FRONT_L
REAR_L
REAR_L
REAR_L
REAR_L
REAR_L
0 0 0
-12.0
-12.0
11.9
0.1
0
0
0
0
0
0.8
4.3
11.8
-12.0
12.0
12.0
5.0
5.0
0
0
0
0
0
0
1.9
0
0.8
1.7
1.7
1.5
2.5
2.5
3.3
0
3.3
0
0
0
0
0
0
1.2
1.2
3.3
4.9
0
2.9
1.2
1.2
0
0
3.3
3.3
3.3
3.3
3.3
3.3
1.2
1.2
0
0
0
0
3.3
3.2
0
0
0
30.8
5.0
0
0
0
0
0
5.0
4.9
4.9
4.9
4.9
4.9
5.0
4.8
3.3
1.6
1.6
0
5.1
3.1
0
1.2
0
3.3
2.1
2.1
2.9
5.0
5.0
2.8
2.8
1.1
5.1
5.1
5.1
4.9
5.1
3.1
2.7
3.1
0
0
0
0
0
0
0
0
0
0
4.9
4.9
4.9
0
0
0
1.5
3.3
0
3.3
3.3
3.3
1.6
0
0
0
3.3
3.3
2.5
0
5.1
0
0
0
0
0
2.8
2.8
2.7
1.2
0
1.2
1.2
0
0
0
0
0
0
0.3
0.3
1.2
1.2
3.3
0
1.3
1.3
1.3
4.9
1.7
0
0
0
0
0
1.2
1.2
0
0
3.3
3.3
3.3
4.9
2.9
2.8
3.3
4.9
1.7
1.9
0.3
0
0
0
1.3
1.3
1.3
2.5
0
2.6
2.9
2.6
2.1
2.1
2.1
2.1
3.3
0
0
0
0
0
0
0
3.3
3.3
2.7
0.8
1.5
1.7
1.7
0
2.5
2.5
2.5
2.5
2.5
2.5
2.5
0
0 0 3.0
3.3
2.5
5.0 5.0
4.9
0 1.7
5.0 5.0 5.0 3.3
0 0 0
2.5
2.5
0
12.0
2.5
2.5
0
5.0
2.5
5.0
0
2.5
4.9
4.9
0
0
0 0 0
0 0
0
1.3
6.8
0
0
0
0
0
0
0
0
12.0
12.0
12.0
0
0
0
0
0
0
0
0
-12.1
-12.1
-12.1
-12.1
-12.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5.0
0
3.3 2.5
0
1.1
0 0 0 0
0 0 0 0 0 0 0
0.1
0.1
0 0
5.1
4.9 4.9
5.0
0
5.2
5.0
5.1
5.0
5.0 5.1
5.1 5.1
4.9
0
5.1
0
0 0
5.1
0
5.0 5.0 5.0 5.0 2.3
0
2.4 4.9 3.3 3.3
0 0
4.9 0.6 1.5
0 0
4.9 0.1
0
0
4.9 4.9 4.9 4.9 4.9 1.6 1.6 1.6
0
3.3 3.3 0.4
0
0
0.4 3.3 3.3
3.3
3.3 1.2
3.0
0
0
0
0
0 0
0 0
0 0 0 0 0 0 0
1.9
1.2
0.3
1.7 1.7 1.6
3.3
0 0
0
1.2 1.2
1.2
1.6
1.2
1.2 1.2
3.3
3.3 3.3
2.5 3.3
0.1
1.6
0
5.0
5.0
2.1
2.1
2.1 2.1 2.6 2.9 2.6 2.9 3.0
1.6
1.1 1.7 1.7 1.7
2.1 2.1 2.1 2.1 2.1 2.1 1.9 1.7 1.7
~ ~ ~
2.5 1.7
4.9 4.9 5.1 4.7
0.6 1.6 1.7 1.7 1.7 1.7 0.3
3.3 0 3.3 0
0
1.6
0 0 0
0 0
3.3
3.3 2.9 0.4 4.9
3.3
3.3 3.2 3.3 2.8 3.3 2.9 2.9 3.0
0 0
0
5.0
4.3
5.0 0.7 0
1.2 1.2 0 0 0 0 0 0
0 0 0 0
1.2
0 0
0 0 0
0 0 0 0
0 0 0
0
0 0 0 0
1.2 1.2 1.2 1.2
3.3 3.3
1.7 1.7 1.7 3.3 1.7 ~ 1.1 ~ ~ 1.6 2.1 3.3 0
2.1 2.1
2.2
1.9 3.0 2.1 2.1 2.1
2.2 2.1 2.1
0 0 0
1
2
Point 1 (Pin 29 of IC3)
V: 2V/div, H: 20nsec/div
DC, 1 : 1 probe
0V
Point 2 (Pin 13 of IC6)
V: 2V/div, H: 40nsec/div
DC, 1 : 1 probe
0V
Page 77 D1
to MAIN (1) Page 76 J2
to MAIN (2)
Page 78 F1
to MAIN (3)
X : NOT USED
IC18–21, 23:
µ
PC4570G2
Dual OP-Amp
– +
OUT
1
–IN
1
–V
CC
+V
CC
OUT
2
1
2
3
4 5
+IN
1
–IN
2
+IN
2
– +
6
7
8
1 VCC
2
DQ1
3 DQ2
4
DQ3
5 DQ4
6 VCC
7
DQ5
8 DQ6
9
DQ7
10 DQ8
11 NC
12
NC
13 WE
14
RAS
15 NC
16 A0
17
A1
18 A2
19
A3
20 VCC
40 VSS
39
DQ16
38 DQ15
37
DQ14
36 DQ13
35 VSS
34
DQ12
33 DQ11
32
DQ10
31 DQ9
30 NC
29
LCAS
28 UCAS
27
OE
26 A8
25 A7
24
A6
23 A5
22
A4
21 VSS
TIMING
GENERATOR
I/O
CONTROLLER
I/O
CONTROLLER
COLUMN
DECODERS
SENSE
AMPLIFIERS
I/O
SELECTOR
OUTPUT
BUFFERS
OUTPUT
BUFFERS
INPUT
BUFFERS
INPUT
BUFFERS
MEMORY
CELLS
COLUMN
ADDRESS
BUFFERS
INTERNAL
ADDRESS
COUNTER
REFRESH
CONTROL CLOCK
ROW
DECODERS
WORD
DRIVERS
ON CHIP
VBB GENERATOR
ROW
ADDRESS
BUFFERS
RAS
LCAS
UCAS
A0~A8
VCC
VSS
WE OE
DQ1~DQ8
DQ9~DQ16
9 9
16 16
8
8
8
8
8
8
8
8
9 9
IC8 : MSM514260E-60JS
4Mbit DRAM
1
2
3
4
5
6
7
8
9
10
11
SDOS
I2C
SMUTE
BICK
LRCK
SDTI1
SDTI2
SDTI3
SDTO
D AUX
DFS
12 13 14 15 16 17 18 19 20 21 22
SDTI4
DZFE
TVDD DVDD DVSS
PDN
TST1
CAD1 CAD0
LOUT4
ROUT4
33
32
31
30
29
28
27
26
25
24
23
DZF2/OVF
RIN
LIN
NC
TST2
ROUT1
LOUT1
ROUT2
LOUT2
ROUT3
LOUT3
44 43 42 41 40 39 38 37 36 35 34
TDM0 LOOP0/SDA/CDTI DIF1/SCL/CCLK DIF0/CSN P/S MCLK DZF1 AVSS AVDD VREFH VCOM
DATT L P F DAC L OUT1
H P F A D C L IN
MCLK
LRCK
BICK
DAUX
SDOS
SDTO
SDTI1
SDTI2
SDTI3
SDTI4
FORMAT
CONVERTER
H P F A D C R IN
DATT L P F DAC R OUT1
DATT L P F DAC L OUT2
DATT L P F DAC R OUT2
DATT L P F DAC L OUT4
DATT L P F DAC
DATT L P F DAC
L OUT3
DATT L P F DAC
R OUT4
R OUT3
A U D I O
I / F
MCLK
LRCK
BICK
SDOUT
SDIN1
SDIN2
SDIN3
SDIN4
IC11 : AK4628VQ
192kHz 24bit 8ch CODEC
IC1 : PQ012FZ01ZP
Regulator
DC INPUT (VIN) DC OUTPUT (VO)
ON/OFF CONTROL (VC)
GND
2
5
3 1
I C
IC4 : SN74LV245APWR
Octal 3-State Bus Transceivers
1 DIR
2 A1
3 A2
4
A3
5 A4
6 A5
7 A6
8 A7
9
A8
10
GND
20 V
CC
18 B1
17 B2
16 B3
15 B4
14 B5
13 B6
12 B7
11 B8
19 ENG
A1
B1
A2
V
DD
B4
1
2
3
4 11
Y1 A4
Y4
12
13
14
B2
Y2
B3
A3
5
6
7 V
SS
Y3 8
9
10
IC22 : SN74AHCT08PWR
Quad 2 Input AND
* All voltages are measured with a 10M
Ω
/V DC electronic volt meter.
* Components having special characteristics are marked
Z
and
must be replaced with parts having specifications equal to
those originally installed.
* Schematic diagram is subject to change without notice.
* 電圧は、内部抵抗10MΩの電圧計で測定したものです。
*
Z
印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、
パーツリストに記載されている部品を使用してください。
* 本回路図は、標準回路図です。改良のため予告なく変更することがございます。
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2
8 9
4 2
9 8
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Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
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