Md-Mt831H/W; Schematic Diagram - Sharp MD-MT831H(GL) Service Manual

MD-MT831H/W

P29 P30
P28
A
B
C
D
VCC
E
F
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 36.
1
T-
T+
F-
F+
GND
2 3
Figure 28 SCHEMATIC DIAGRAM (1/3)
1234
GND1
RF1
R
RF2
and
RF3
SW
DIFF
RF4
REFI
REFO
AOUT
BIAS
ASW
AIN
BIN
BSW
L171
10µH
4
– 28 –
VCC1
BIAS
EFMAGC
2-1
ADAGI
ADAGC
ADIPNF
ADIPO
GND2
WBO
VCC2
OPICPW
SW
DISC
MODE
DISC
SGAIN
SGAIN
TEMP
LDON
LDVAR
OPICGA
VG
C2M
CST
C2P SPVM1
CSL1
H3ROUT
C1M SPWOUT
C1P H3PG2 SPPG1
EXTCLK SPVOUT
STHB SPVM2
STALL SPUOUT
VCC1 SPPG2
VCC2 ASGND
BRK+
PW2VM SGND
SPCOM
PW2OUT
PWIN2 SPUIN
PWPG SPWIN
IN1F
SPVIN
PW1OUT
PW1VM
PWIN1
5
FOK
SENSE
CIN
DINT
XRT
SYD0
SYD1
SYD2
SYD3
SYD4
SYD5
SYD6
SYD7
SYWR
SYRD
SYRS
EFMO
INNS
PDC
DISC
SP
SPDRR
6