DOWNLOAD Sharp SD-NX10 (serv.man6) Service Manual ↓ Size: 246.48 KB | Pages: 16 in PDF or view online for FREE

Model
SD-NX10 (serv.man6)
Pages
16
Size
246.48 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Part 3 - Description of circuit, Block diagrams
File
sd-nx10-sm6.pdf
Date
PREV: Sharp SD-NX10 (serv.man5) Service Manual

Sharp SD-NX10 (serv.man6) Service Manual ▷ View online

– 47 –
SD-NX10H
Figure 47 BLOCK DIAGRAM (4/7)
IN
NF–
OUT–
OUT+
NF+
ICA100
IX2815AF
7TH ORDER 
∆∑
 MODULATION
CONVERSION LSI
OUTPUT OFFSET
ADJUSTMENT
ANALOG SIGNAL
INPUT
- POWER
- POWER
- POWER
+POWER
+POWER
LOAD
OUTPUT FET
+5V
GND
REF
POWER -
LEVEL SHIFT
GATE DRIVER
LOW PASS
FILTER
-9V with reference to 
the minus voltage
OUT
ICA105
NJM78M09
+9V VOLTAGE
REGULATOR
IN
NF
GND
L-IN
L-OUT
H-OUT
H-IN
L-IN
L-OUT
H-OUT
H-IN
B. S
B. S
+5V
DEAD TIME
CONTROL
SLICE LEVEL
SET VOLTAGE
SD-NX10H
– 48 –
Figure 48 BLOCK DIAGRAM (5/7)
SOV90
SYSTEM CONTROL
TERMINAL
ICV99
KIA4558P
OPE AMP.
8 
7 
6 
5 
4 
3 
2 
1 
CNP802
JT900
SYSTEM IN
TERMINAL 
RL800 
IC807
KIA7810AP
VOLTAGE
REGILATOR
3 
2 
1 
CNP801
D811
D810
IC800
AN78L05
CONSTANT
VOLTAGE
REGULATOR
3 
2 
1 
IC805
AN78L05
CONSTANT
VOLTAGE
REGULATOR
3 
2 
1 
IC806
KIA7805AP
CONSTANT
VOLTAGE
REGULATOR
3 
2 
1 
D812
CNPV98
IC801
KIA7810AP
VOLTAGE
REGULATOR
3 
2 
1 
IC804
KIA7805AP
CONSTANT
VOLTAGE
REGULATOR
3 
2 
1 
IC802
KIA7808AP
VOLTAGE
REGULATORP
3 
2 
1 
QV99
QV
QV95
QV98
QV96
Q803
+B10
+B9 
CNPV99
+8V(CD) 
+11.2V
+5V(MD) 
+B6 
+B4 
–B1 
+B1 
+B1 
+B6 
+B4 
+B3 
+B10
+B9 
–B1 
+B2 
R-CH
L-CH
TO 1BIT AMP SECTION 
TO 1BIT AMP SECTION 
TO 1BIT AMP
SECTION
TO 1BIT AMP
SECTION
GND 
L 
R 
POWER 
+5V_MD
PROTECT 
5.6V_UNSW 
LCK 
+8V_CD
CLK 
DI
S3-2
S3-1
D_+5V 
A_GND 
A_+5V 
D_GND 
AD  Reset
V+
+ 
V–
– 
+ –
2 
1 
3 
4 
5 
1 
3 
2 
3 
2 
1 
– 49 –
SD-NX10H
Figure 49 BLOCK DIAGRAM (6/7)
M905
FAN MOTOR
F801
T6.3A L 250V
F804
T1.25A L 250V
F803
T2.5A L 250V
AP
GE
OR
1 
LED800
ICV98
KIA4558P
OPE AMP.
8 
7 
6 
5 
4  3 2 1 
SO900
AC INPUT
SOCKET
AC 230V,50Hz
AC POWER
SUPPLY CORD
L900
T901
SUB POWER TRANSFORMER
RL900
 
F802
T6.3A L 250V
T991
MAIN POWER TRANSFORMER
ICV91
BU2092F
INPUT/OUTPUT
EXPANDER 
18 
17 
16 
15 
14 
13 
12 
11 
10 
9 
8 
7 
6 
5 
4 
3 
2 
1 
SOV99
SPEAKER
TERMINAL 
RLV99 
QV94
QV92
QV90
QV93
QV91
QV88
QV87
QV85
QV97
QV95
+ 
Q801
–B1 
+B1 
Q900
D800
D801-D804 
AD  RESET
+B  CONT
SP_RELAY
FAN_L 
R-CH
L-CH
V+
+ 
V–
– 
+–
VDD 
OE
Q11 
Q10 
Q9
Q8
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
LCK
CLOCK
DATA
VSS
D900-D903 
T.F.
M
 
+ 
+ 
– 
– 
SD-NX10H
– 50 –
Figure 50 BLOCK DIAGRAM (7/7)
1 2 3 4
1 2 3 4
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
D GND
D GND
RESET
MD-ST
DSCK
KDATA
MDDATA
DSTB
D GND
D GND
DVDD
DVDD
PCONTO
LOADSW
AVCC
L OUT
AA GND
R OUT
SERCH
AD GND
R IN
AA GND
L IN
DIG OUT
D GND
DIG IN
BACKUP
P DOWN
CDLRCK
CDBCLK
GND
CDDATA
BACKUP
70 34 25 12 20 33 21 32 31
MECHANISM
+4.75~5.25V
+3.2V
IC1402
58X2402T
EEPROM
30
29
98
5
6
8
IC1801
XC62EP32
REGULATOR
3
MD IN
MD OUT
IC1702
NJM431U
REGULTOR
1
3 5
24
26
3
+A 3.2V
MECHANISM
+4.75~5.25V
+3.2V
IC1401
IX0410AW
MD SYSTEM
MICROCOMPUTER
58
67
66
+3.2V
DOUT DIN
A/D
CONVERTER
D/A
CONVERTER
IC1701
UDA1345
AD/DA
CONVERTER
IC1202
IX2474AF
4M-BIT
DRAM
5
9
11
15
~
~
26
29
~
32
36
42
~
IC1201
LR37816A
ENDEC/ATRAC
XL1201
33.8688MHz
IC1101
IR3R58M
RF SIGNAL
PROCESSOR
+3.2V
+3.2V
MECHANISM
+4.75~5.25V
E-F SIGNAL A-B SIGNAL
RF1~RF4 SIGNAL
IC1601
M56788FP
MOTOR DRIVER
12
10
15
M
M903
MD LOADING
MOTOR
SW1932
LOADING
SW1934
PLAY
SW1936
LEAD IN
MONITOR
DIODE
LASER
DIODE
RF4
RF3
RF2
RF1
LIGHT
RECEIVING
SECTION
ERROR
SIGNAL
LIGHT
RECEIVING
SECTION
RF
M
M902
MD SLED MOTOR
F
A
B
E
SW1933
RECORD
SW1931
DISC MEDIA
SW1930
WRITE PRO
M
M901
MD SPINDLE
MOTOR
MD PICKUP UNIT
FOCUS
TRACKING
MAGNETIC
HEAD
(RECORD)
+4.75~5.25V
IC1300
74ACT02T
HEAD
DRIVER
65
64
MD
R
L
R
L
IX
XO
CN1501
CN1502
TO MAIN UNIT
TO CD UNIT
57
59
+3.2V
IC1802
XC62FP262P
REGULATOR
3
+2.6V
2
5 13
2
40
29
1
3
37
4
18
19
~
EFMO
EFMI
74
70
~
99
10
23
2
62
16
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