47
IC400 LA5643 (MAIN BOARD)
12
11
10
13
1
2
3
4
8
7
6
5
9
- +
-
+
DELAY
RESET CIRCUIT
- +
- +
-
+
VREF1
VREF3
VREF2
DELA
Y
-
+
1
2
3
4
5
6
7
8
9
10
GND
MOTOR
DRIVE
NOISE
FILTER
CLAMP
FWD.IN
REV.IN
VCC 1
VCC 2
NOISE
FILTER
MOTOR
DRIVE
MOTOR
DRIVE
MOTOR
DRIVE
T.S.D
O.C.P
FWD/REV/STOP
CONTROL LOGIC
2
5
5k
+
–
27k
OVERCURRENT
LIMITTER
OVERHEAT
PROTECTION
REFERENCE
VOLTAGE
GND
ON/OFF
IN
REFERENCE
VOLTAGE
OUT
3
4
1
VCOM
AINR
AINL
2
1
3
VREF
4
TEST
7
XTAI
9
XTALE 10
XTAO
8
SDTI 14
LRCK 11
BICK 12
SDTO 13
AGND
5
VA
6
A/D
CONVERTER
BLOCK
D/A
CONVERTER
BLOCK
CLOCK
GENERATOR
& DIVIDER
AUDIO
INTERFACE
CONTROLLER
CDTI
15
CIF
18
CLKO
21
AOUTL+
26
AOUTL–
25
DGND
24
VD
23
VT
22
AOUTR+
28
AOUTR–
27
PD
19
M/S
20
CS
17
CCLK
16
CONTROL
REGISTER
INTERFACE
H.P.F.
D-ATT
D-ATT,
S-MUTE
IC440 LB1641 (MAIN BOARD)
IC480 M5293L (MAIN BOARD)
IC500 AK4524-TP (MAIN BOARD)
Summary of Contents for MDS-JE440 - Md Player
Page 42: ...MDS JE440 42 42 6 10 SCHEMATIC DIAGRAM MAIN SECTION 3 3 See page 47 for IC Block Diagrams ...
Page 43: ...MDS JE440 43 43 6 11 PRINTED WIRING BOARD POWER SECTION ...
Page 44: ...MDS JE440 44 44 6 12 PRINTED WIRING BOARD DISPLAY SECTION ...
Page 45: ...MDS JE440 45 45 6 13 SCHEMATIC DIAGRAM DISPLAY SECTION See page 34 for Waveforms ...