Regulator2 - Toshiba MD20FN1 Service Manual

A B
8
7
TO MOTOR DRV
6
GND
M_GND
P.CON+9V
D_GND
P.CON+3.3V
P.CON+A5V
5
TO AUDIO/VIDEO
GND
D_GND
P.CON+5V
P.CON+3.3V
VCC+9V
4
TO RF_AMP/DSP
GND
D_GND
P.CON+A5V
P.CON+3.3V
P.CON+3.3VA
FROM/TO MPEG
3
GND
SPDIF
RXD
TXD
P.CON+2.5V
P.CON+3.3V
D_GND
TO MEMORY
P.CON+3.3V
D_GND
2
1
A B
G-11
C D
REGULATOR2 SCHEMATIC DIAGRAM
D8510
MCL4148
LEVEL_CONVERT
Q8505
KTC3875S_Y_RTK
3.2
3.2
W825
RXD
TXD
L8509
L8507 2.2uH 0305
2.2uH 0305 P.CON+A5V
W871
W870
SPDIF
P.CON+5V
P.CON+3.3V
C8530
0.0047 B
REG+2.5V IC
IC8504 PQ025EZ01ZP
V_OUT
V_IN V_C NC GND
6
1 2 3 4 5
3.1 3.1 2.5 0 0
NC
B8504
FCM2012H-102T04
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C D
E
(DVD PCB)
4.8
FROM/TO REGULATOR1
CD8505 (CP8001)
CU2B2001
GND 1
GND 2
TX 3
RX 4
GND(M) 5
P.CON+9V 6
P.CON+5V 7
P.CON+3.3V 8
B8505
P.CON+3.3V 9
W4BRH3.5X6X1.0X2
GND 10
SPDIF 11
10
L8504
W5T29X7.5X19
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
E
F G
DIGITAL AUDIO SIGNAL(PB)
F G
H
8
7
6
5
4
3
2
PCB130
VMB283
1
H
G-12