Yamaha AD8HR Service Manual page 107

L
SW, DC CIRCUIT BOARD (AD8HR)
AC Inlet
LM2672MX-ADJ(X2536A00) LM2592HVSX-ADJ (X4364A00)
DC-DC CONVERTER
DC-DC CONVERTER
IC010,030 IC020
8
7
6
5
1
2
1
2 3
4
3
4
1: CB 5: ON / OFF
2: SS 6: GND
3: SYNC 7: VIN
4: FB 8: VSW
µ PC24A05HF ( XM967A00 )
µ PC2415AHF ( XR608A00 )
REGULATOR +5V
REGULATOR +15V
IC011 IC031
1: INPUT
1 1
2 2: COMMON
3
3: OUTPUT
MTZJ10B ( VQ296000 ) DE5S4M (V2330500)
DIODE
ZENER DIODE
ZD010,030,050 D010, 021, 030
MTZJ8.2B ( VQ554500 )
ZENER DIODE
ZD020
1
2
1
2
1: ANODE
2: CATHODE
MUR420 ( WB799600 )
DIODE
D040
1
2
1: ANODE
2: CATHODE
28CC1-8829585-1
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K J I
SW
POWER
SUPPLY
UNIT
(WC518600)
CN1
VH2P
LM2585SX-ADJ (X4360A00)
DC-DC CONVERTER
IC040
Tab is Tab is
Ground Ground
1
2
3
4
5 5
1: V 1: COMP
IN
2: OUTPUT 2: FEEDBACK
3: GND 3: GND
4: FEEDBACK 4: SWITCH
5: ON / OFF 5: V
IN
NJM7915FA(XD854A00)
REGULATOR -15V
IC021
3
2
1
1: OUTPUT
1: INPUT
2 2: COMMON 2: INPUT
3
3: OUTPUT
3: COMMON
IFWJ43N ( V5454500 )
DIODE
D011,012,022-024,031,032
4
1
1: V in 2
3
2: GND
3: V out
1: ANODE
2: CATHODE
4: GND
( セ ) : Ceramic Capacitor (セラミックコンデンサー)
( マ ) : Mylar Capacitor (マイラーコンデンサー)
( F ) : Metal Film Resistor (金属被膜抵抗)
: Safe important parts (安全重要部品)
3
manuals search engine
H G F
DC
CN2
VH6P
E D
REGULATOR +15V
+15VA (DC-DC +17.5V Output)
DC-DC CONVERTER
-15VA (DC-DC -17.5V Output)
DC-DC CONVERTER REGULATOR -15V
+5VA (DC-DC +6.5V Output)
REGULATOR +5V
DC-DC CONVERTER
DC-DC CONVERTER
SYSTEM RESET
SW, DC CIRCUIT BOARD (AD8HR)
C B A
AD8HR
to MAIN-CN982
Ground Plate
to MAIN-CN981
17
1
2
3
4
5
6
7
8