Yamaha M7CL-32 Service Manual page 319

Q P O N
DCMS 002 CIRCUIT DIAGRAM (M7CL-32/M7CL-48)
LM2592HVSX-ADJ (X4364A00) LM2940CSX-5.0 (X4366A00)
DC-DC CONVERTER REGULATOR +5V
Metal
Tab TAB IS
GND
GND
1
2
3 1
4
2
5
3
1: V IN
1: INPUT
2: OUTPUT
3: GROUND
2: GND
4: FEEDBACK
3: OUTPUT
5: ON/OFF
NJM7820DL1A(X4671A00) PQ1CY1032ZP(X5090A00)
REGULATOR +20V DC-DC CONVERTER
2
1
1
1: V
IN
3 5
2: V
OUT
1: INPUT
3: COM (heat sink)
2: GND
4: O
adj
3: OUTPUT
5: V soft
HSU119 (V9599200)
D1FS4A-7063 (WA295200)
DIODE DIODE
1 1
2
2
1: ANODE 1: ANODE
2: CATHODE 2: CATHODE
DE5S4M (V2330500) RB160L-40 (VS597600)
DIODE 40V 5A DIODE
4
1
1
2
2
3
1: ANODE
1 2 4 3
2: CATHODE
1SS355 TE-17 (VT332900) UDZS16B (VU173100)
DIODE ZENER DIODE 16V
1
1
2
2
1: ANODE 1: ANODE
2: CATHODE 2: CATHODE
28CC1-2000004057-2 1
M L K
+5D_2 (DC-DC +5.1V Output)
DC-DC CONVERTER
+3.3D_1 (DC-DC +3.45V Output)
DC-DC CONVERTER
+3.3D_2 (DC-DC +3.45V Output)
DC-DC CONVERTER
+5D_1 (DC-DC +5.05V Output)
DC-DC CONVERTER
J I H G
WARNING
Components having special characteristics are
marked and must be replaced with parts having
specification equal to those originally installed.
DCMS 002 CIRCUIT DIAGRAM (M7CL-32/M7CL-48)
F E D C
M7CL-32/M7CL-48
+5A (DC-DC +6.88V Output)
DC-DC CONVERTER
-5A (DC-DC -7.0V Output)
DC-DC CONVERTER
REGULATOR +20V
REGULATOR +20V
: Ceramic Capacitor
: Mylar Capacitor
: Metal Film Resistor (chip)
B A
1
2
REGULATOR +5V
3
4
5
6
7
8
9
10
11
12
31