MGB-ECPU-01.txt

MGB-ECPU-01:
1.22mm thickness

EM1, EM2, EM3: 0603 ferrites, ???
F1: Fuse 1.0 A, THT
RA3: 4x220 ohm, 4x0603
RA4: 2x510 ohm, 3x0603
RA5: 2x15 ohm, 2x0603
R1: 100 ohm, 0603
R3: 160 K, 0603
R4: 75 ohm, 0603
R6: 0 ohm, 1206
DA1, DA2: SOT-23-5 ("N1"), quad-diode 0.600 V, Rohm FMN1
DA3: SOT-353 ("N1"), Rohm UMN1N
DA4: SOT-353 ("P1"), Rohm UMP1N
D2: SOD-323 ("A"), 0.569 V drop
C1, C2: 25 pF, 0603
C3: 47 pF, 0603
C4-C7: 100 pF, 0603
C9-C13: 10 nF, 0603
C14-C16: 47 nF, 0603
C17: 100 nF, 0603
C18, C19: 1 uF, 0603
C20, C21, C23: 1 uF, 0805
C22, C24: 1 uF, 0603
C25-C27: 2.2 uF, 0805
C28: 10 uF, 1210
C29: 33 uF, 25 V, D:6.3mm, L:4.5mm+stand
C30: 330 uF, 6.3V? D:8mm, L:6mm+stand
C31, C32: 100 uF, 6.3V?, D:6.3mm, L:4.5mm+stand
C33: 6.8 uF 1206
C35: ???, lost
Q1: SOT-323 ("FR"), PNP, BEC, HFE=279, 640 mV, Rohm 2SA1576A
  PNP silicon BJT
  hFE=288 @ Ic=5mA
  Vbe=0.759V @ Ib=5mA
  Vcesat=0.033V @ Ic=5mA, Ib=1mA
  Icleak=0mA
U1: CPU MGB
U2: 64K S-RAM
U3: AMP-MGB
U4: DMG-REG
U5: DC/DC converter daughterboard
U6: SOT-23-5 ("35FE"), Mitsumi PST9135N
VR1: 10Kx2 (custom Panasonic EVU-TX?)
VR2: 30K (custom Panasonic EVU-TX?)
SW1: 3-way power switch
X1: crystal
P1: cartridge connector
P2: LCD connector
P3: link port
P4: DC jack
P5: headphone connector
Positive battery terminal
Negative battery terminal