Circuit Diagrams - Yamaha YAS-207 Service Manual

A B

■ CIRCUIT DIAGRAMS

1
FOR INFORMATION ONLY (COMPONENT PARTS NOT AVAILABLE)
MAIN 1/4
YAS-207 CENTER UNIT_MCU SECTION
2
IC100
D100
R186 BL9198-33BAPRN
RB160
10R 5 MCU_3V3
1 VIN
VOUT
2
GND
3
NC 4
EN
DGND
FB101 IC101
BL9198-33BAPRN
600R
1 VIN 5
VOUT
2
GND
3 4
NC
EN
3
R101 R102
100K 1K
BT_ON/OFF
DGND
Q100
NCE2305
R103 D101
100K 1SS355
POWER_ON/OFF
R107
R104 100R
10K
R105
10K
DGND
Q101
C108
2N3904
R106 1nF HDMI_ON/OFF
10K
DGND
IC102 NR3015-2R2NC
TPS562201DDCR R172 C147 L100
2.2uH1.85A
0R 0.1uF
4 1 GND VBST 6
R108 10K C113 NC
FB104
2 SW EN 5
600R
R109 3.74K1%
3 VIN VFB 4
Fsw=580KHz R110
10K1%
DGND
DGND
IC103 NR3015-3R3NC
TPS562201DDCR C148 L101
R173
3.3uH1.4A
0.1uF
0R
1 GND VBST 6
FB106 R112 10K C119 NC
2 SW EN 5
600R
R114 33.2K1%
3 VIN VFB 4
Fsw=580KHz R113
10K1%
5 R111
100K
DGND
DGND
FB109 NC
R115
NC IC104
NC
1 VIN 5
VOUT
2
GND
3 NC 4
EN
OPTION
DGND
6
7
C D
R177 100K
R147 100K
R184 NC
R185 10K
FB102 R120 10K
600R
R150 10K
R146 NC
R121 47K
FB103
160R
DGND
MGLB3216M161T5R0-LF
MAIN MCU
R139 1K 37 P120/INTP0/EXLVI
38
P41
39
P40
R145 100K R144 1K 40
RESET
C135 1nF 41
MGLB3216M161T5R0-LF
IC107 P124/XT2/EXCLKS
FB105
LN61C VOUT 1 42
160R
P123/XT1
3
VIN 100R 43
R148
FLMDO
VSS 2 R149 100R
44
P122/X2/EXCLK/OCD0B
45
P121/X1/OCD0A
46
REGC
47
DGND Y100 VSS
DGND 16MHz
48
VDD
FB110
600R
FB108
600R
DGND
FB107
600R
IC105
BL24C02
1 A0 VCC 8
2 A1 WP 7
3 A2 SCL 6
4 GND
SDA 5
R132
100K
C142 0.1uF
DGND
BACKUP EEPROM
TO DSP
E F
YAS-CU207 ATS-CU2070
* R162 47K 0R NC * R133 0R NC
VERSION J G, B others VERSION ATS YAS
R134 10K1%
47u16V
EC101
C131 0.1uF
C149 1nF
R133 *
NTC R131
10K1%
R174
10K1%
C150 1nF
R162 *
IC106
UPD78F0514A
24
AVSS
23
AVREF
22 R155 0R
P10/SCK10/TXD0
21 R156 0R
P11/SI10/RXD0
20 R154
1K
P12/SO10
19 0R
R158
P13/TXD6
18 0R
R159
P14/RXD6
R160
17 1K
P15/TOH0
16 R157 100R
P16/TOH1/INTP5
15
P17/TI50/TO50
14
P30/INTP1
13 R187 *
P31/INTP2OCD1A
DGND
DGND
DGND DGND DGND DGND
★ 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.
G H
R164 100R
R165 470R
FB121
600R
FB120
600R
FB111
NC R163
100K Q102
NCE2305
Q103
C143
RTN144C
47pF
DGND DGND
R166 100R KEY_SCL
R167 100R KEY_SDA
R168 100R KEY_RST
R170 100R
FB113 600R
D103 RB160
R171 100R
DGND DGND DGND
R135 22R
● ⚠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。
I J
YAS-CU207/ATS-CU2070/NS-WSW42
DGND DGND
PRI PRI [4/4]
+5VA
+5V_IN [4/4]
AC_DET AC_DET [4/4]
AMP_SDZ MAMP_SDZ [4/4]
AMP_FAULTZ MAMP_FAULTZ [4/4]
AMP_MUTE AMP_MUTE [4/4]
VBUS_EN [4/4]
VBUS_EN
EXCLK [2/4]
DGND
DGND
MCU-RESET [2/4]
MCU-TX [2/4]
MCU-RX [2/4]
FLMD0 [2/4]
MCU-3V3 [2/4]
BT_VREG [2/4]
BT_RX [2/4]
BT_TX [2/4]
[2/4]
BT_RESET
WAKE_UP_BT [2/4]
KEY_3V3 [2/4]
KEY_SCL [2/4]
KEY_SDA [2/4]
KEY_RST [2/4]
CN100
FFC-1.0mm_V
1 GND
SCL
2 SCL
SDA
3 SDA
4 GND
RST
5 RST
DET
6 DET.
7 GND
VCC
8 LED_VCC
3V3
9 3.3V
GNDB
10 GND
A/A Page 43 B2
to SUB (LED)_CN600
IC108
HM338-S3
OUT Remote control
G
sensors
VCC1
39