Yamaha YAS-207, Руководство по обслуживанию

Страница: 42 / 50

★
Components having special characteristics are marked ⚠ and must be replaced
with parts having specifications equal to those originally installed.
★
Schematic diagram is subject to change without notice.
● ⚠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あります。
4 ohms
4 ohms
8 ohms
8 ohms
8 ohms
8 ohms
[1/4]
[1/4]
[1/4]
[2/4]
[2/4]
[2/4]
[1/4]
[1/4]
[1/4]
[2/4]
[1/4]
[2/4]
[2/4]
[2/4]
PGND
PGND
PGND
22V
22V
22V
FROM SMPS
AC_DET
DC/DC 5V
TO MCU
TO DSP
MIDDLE AMP.
AMPLIFIER CONTROL
PIN NAME ACTION
SDZ
FAULTZ
ENABLED
MUTE
STATUS
INPUT
OUTPUT
INPUT
H
L Hi-Z
ENABLED
H
H
L
L Hi-Z
NORMAL
FAULT
-
+
2.2uF
-
+
-
+
-
+
-
+
-
+
2.2uF
L+
L-
R+
R-
MGLB3216M161T5R0-LF
MGLB3216M161T5R0-LF
Rt=150K Fsw=658KHz
YAS-207 CENTER UNIT_AMPLIFIER SECTION
1A/63V
Fsw=400KHz
CONNECTED WITH USB2.0 CABLE
ENABLE ON USB UPGRADE MODE ONLY!
1
2
3
4
5
6
CN400
XH-6P
C400
0.1u50V
X7R
EC401
330u16V
C413
10uF
C412
1nF
C404
560p50V
COG
C403
10nF X7R
EC400
220u35V
LOW ESR
R408 49.9K1%
C410
4.7pF
COG
C409 330pF
X7R
C408
0.1u16V
X7R
R410 300R1%
R412 12K1%
R403
100K
L400
15uH3.6A
SNRH1005R-150M
R404
NC
R411 62K1%
R401
4.7K
1 2 3
R400
0.3R/7+7W
R407
0R
C406
NC
F400
0468001NR
Q400
2N3904
C405
NC
R402
100K
D401
6.8V
R447
10K
C414
1nF
C401
1n50V
COG
FB400
160R
FB401
160R
C402
NC X7R
R416
100K1%
R415
470K R414
1K
R413
100K
Q401
2N3904
R417
3.9K1%
Q402
2N3904
C428 1uF
C427
1uF
C418 1uF
C417 1uF
R426
1K
C423 1uF
C431
0.1uF
R424 NC
L401 6.8uH7.1A
L402
6.8uH7.1A
C434
1u50V X7R
C435
1n50V
COG
R429
22R
C436
330p50V
COG
C437
680n50V
X7R
C438
1n50V COG
C439
1n50V COG
R430
3R3
C440
10n50V X7R
C441
10n50V X7R
R431
3R3
EC402
470u35V
C442
1n50V COG
C443
1n50V COG
C415
10nF
R419 5.6K
L+
L-
R+
R-
1
2
3
4
CN401
VH-4P
1 MODSEL
2 SDZ
3 FAULTZ
4 RINP
5 RINN
6
PLIMIT
7 GVDD
8 GAIN/SLV
9 GND
10 LINP
11 LINN
12 MUTE
13 AM2
14
AM1
15
AM0
16 SYNC 17 AVCC
18
PVCC
19
PVCC
20 BSNL
21 OUTNL
22 GND
23 OUTPL
24 BSPL
25 GND
26 BSNR
27 OUTNR
28 GND
29 OUTPR
30 BSPR
31 PVCC
32 PVCC
33
EPAD
34
EPAD
IC401
TPA3116D2DADR
R406
NC
R423
NC
R420 1K
R421
1K
R427 0R
R418
NC
R425
100K
R405
3R3
C420
0.1u50V
X7R
C419
10n50V
X7R
C421
0.22u25V
X5R
C430
1u50V
X7R
C429
1n50V COG
EC405
470u35V
C424 0.22u25V
X5R
C425 0.22u25V
X5R
C426
0.22u25V
X5R
R432
22R
C432
330p50V
COG
C433
680n50V
X7R
L403 6.8uH7.1A
L404 6.8uH7.1A
R433
22R
C444
330p50V
COG
C446
680n50V
X7R
C448
1n50V COG
C449
1n50V COG
R448
3R3
C450
10n50V X7R
C451
10n50V X7R
R449
3R3
C452
1n50V COG
C453
1n50V COG
R434
22R
C445
330p50V
COG
C447
680n50V
X7R
1 SW
2 EN
3 COMP
4 FB 5 GND
6 RT
7 VIN
8 BS
9
EPAD
IC400
EML3193B-00SG08NR
R409
150K1%
D400
B340A C407
1nF
R453 10R
C411
100pF
1
M9
AI-HOLE
1
M10
AI-HOLE
1
M3
MARK(SMT)
1
M4
MARK(SMT)
1
M5
MARK(SMT)
1
M6
MARK(SMT)
22VA
22VB
+22V
+5V
GND
PGND
1
M1
MARK_SMT
1
M2
MARK_SMT
SYNC
C460
1nF
R454
100K
Q403
NCE2305
Q404
2N3904
FB402
600R
GND1
VDD
1
2
3
4
5
CN402
SMD_1.5mm_V
R455
10K
R456
10K
R457
10K
D402 1SS355
R458 470R
5
IN
3
FLG
2
GND
4
ENB
1
OUT
IC402
DIO7003LBST5
C455
10uF
C456
0.1uF
C458
10uF
C457
0.1uF
D-
D+
+22V
AC_DET
PRI
+5V_IN
DGND
DGND
FLCH-
FRCH+
FRCH-
AMP_MUTE
MAMP_FAULTZ
MAMP_SDZ
DGND
DGND
FLCH+
DGND
DGND
DGND
DGND
DGND
DGND
DGND DGND
DGND DGND
DGND DGND DGND
DGND
DGND
DGND DGND
DGND
DGND
DGND
DGND
DGND
VBUS_EN
USB_DM
USB_DP
USB_5V
DGND
Note:
Precaution for handling measuring instrument
Since the speaker output of this unit is BTL connected, the ground side
of the measuring instrument to be connected to the speaker terminal
MUST be kept in floating condition. MUST be kept in floating condition.
注意：
計測機器取り扱い上の注意
本機のスピーカー出力はBTL接続となっていますので、スピーカー端子
に接続する計測器のアース側はフローティング状態に保つ必要がありま
す。
FULL-RANGE
(FRONT L/R)
TWEETER
DRIVERS
L
L
R
R TWEETER
to Power supply unit
to SUB (USB)_CN606
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YAS-CU207 ATS-CU2070
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