16
DJM-850-K
1
2
3
4
A
B
C
D
E
F
1
2
3
4
4.4 POWER BLOCK DIAGRAM
G
MAIN ASSY
IC1403
NJM 2392M
2200uF
/ 25V
V+11E_UNREG
(7.2 to 18 V)
(9.7 to 17 V)
V+3R3E
MAIN_UCOM
(IC2803)
MUTE
reset
signal
IC1401
NJM 2831F 33
LDO
Relay Cont
Relay Cont
MAIN TRANS.
SUB_TRANS.
T3001
V+11E_UNREG
6800uF
/ 16V
IC5001
BA 05T
100uF
/ 16V
IC5002
NJM 7815FA
3300uF
/ 35V
REG
REG
IC5003
NJM 7915FA
3300uF
/ 35V
100uF
/ 25V
100uF
/ 25V
6800uF
/ 25V
V+15A_UNREG
V+5A_UNREG
V- 15A_UNREG
1000uF
/ 25V
1000uF
/ 25V
V+HP_UNREG
V+HP_UNREG_1 (for HP_Tr)
V- HP_UNREG_1 (for HP_Tr)
V- HP_UNREG
LDO
IC1402
S- 1132B33
IC1404
BD 9325FJ
LDO
IC1406
NJM 2878F 3- 33
IC1405
BD 9328EFJ
V+3R3D
LDO
IC1407
S- 1132B25- U5
IC1408
BD 9328EFJ
DDC
DDC
DDC
DDC
REG
V-15A (for Opamp [INPUT])
V+15A (for Opamp [INPUT])
TH 1
TH 2
P101
Poly
SW
Poly
SW
Poly
SW
V+13D_UNREG
FUSE.
FU 1
V-15A (for Opamp)
V+15A (for Opamp)
V+3R3A (for ADC)
V+5A (for ADC/DAC)
V+1R2D
(for DSP, FPGA, USB UCOM)
V+2R5D (for USB UCOM)
V+3R3REFA
(for MAIN_UCOM, SUB_UCOM)
V+5LED (for FL, LED, etc)
V+34D (for FL)
5
1
4
1
1
3
3
3
5
5
5
4
2
2
2
6
10
11
90