Sharp SD-EX100H (serv.man13) Service Manual ▷ View online
– 25 –
SD-EX100H
Figure 25 BLOCK DIAGRAM (1/5)
CD LOADING
MECHANISM
MECHANISM
LD
MON
SEL
Dout
CD_DATA
CD_LRCK
SCLK
BCK
D_OUT
VDD
BCK
LRCK
Aout
SBOK
RFGO
RFRP
+5V
(pick)
(pick)
RFDC
FEO
TEO
FOCUS COIL
HF EQ SWITCH
TRACKING COIL
RFRP
TEBC
RFGC
SLED MOTOR
SPINDLE MOTOR
M
M
NM801
SW4
PICKUP IN
DISPLAY SECTION
ICD02
SYSTEM
MICROCOMPUTER
SPINDLE
MOTOR
NM802
SLED
MOTOR
+7V
+5V
(pick)
3.3V
SEL
BUS0~3
Q701
LASER
DRIVER
Q706
LDO
MDI
TPI
TNI
VRO
RFN RFO
FNI
FPI
RESET
CCE
Buck
XI
XO
CD PICKUP UNIT
VCC
RFi
SBAD
FEi
TEi
DMO
FMO
TRO
FOO
UHSO
Vref
PVref
HSO
ViN1
ViN2
ViN3
ViN4
-FO
Vref
Vref
1/2V
+FO
-TR
-SL
+SL
+SP
+TR
-SP
IC705
KIA358P
IC OPE
AMP.
Vcc
L/E
U/D
X701
16.934 MHz
6
7
1
43
39
48
51
6
15
25
64
14
2
3
4
5
14
23
8
4
9
8
24
28
30
9
11
29
38
19
17
12
15
31
37
3
9
5
6
6
25
26
22
23
27
28
67
29
30
1
2
21
17 18 14 15
4
19
20
12
13
33
14
35
20
13
40
34
41
63
90
59
3
4
4
57
58
58
61
63
65
65
66
80
62 61 60
57
46
47
5
4
1
2
2
12
13
10
1
2
3
8
11
6
3
TEBC
RFGC
IC702
TC94A14F
SERVO/SIGNAL
CONTROL
IC703
74VHC08F
AND GATE
IC401
DIGITAL
OUT
1FA351TZ
D/A CONVERTER
SECTION
IC704
LA6558
FOCUS/TRACKING/
SPIN/SLED/
LOADING
DRIVER
IC701
TA2157F
HEAD AMP.
20
36
3.3V
(D)
3.3V
3.3V
22
......
~
~
PHM1
SWM1
UP/DOWN
MECH_S
SWM2
OPEN
OPEN
SWM3
CLOSE
PHM2
MM1
OPEN/CLOSE
MOTOR
M
MM2
UP/DOWN
MOTOR
M
Q720
QD30
QD31
SD-EX100H
– 26 –
Figure 26 BLOCK DIAGRAM (2/5)
IN
NF–
OUT–
OUT+
QA102
QA101
RESET
NF+
ICA100
IX0498AW
7TH ORDER
∆∑
MODULATION
CONVERSION LSI
OUTPUT OFFSET
ADJUSTMENT
ANALOG SIGNAL
INPUT
AMP.SECTION
- POWER
- POWER
+POWER
+POWER
LOAD
+5V
GND
REF
POWER -
LEVEL SHIFT
LOW PASS
FILTER
NF
L-IN
L-OUT
H-OUT
H-IN
L-IN
L-OUT
H-OUT
H-IN
B. S
B. S
+5V
+B
DEAD TIME
CONTROL
ICA110
TC74AC8T
QUAD 2 INPUT
AND GATE
SLICE LEVEL
SET VOLTAGE
ICA106/107
SLA5505M
SWITCHING AUDIO
POWER AMP.
ICD02
SYSTEM MICROCOMPUTER
Q465
RL460
+12V_M
SP_RLY
OFFSET
JK400
SPEAKER
TERMINAL
Q460~
Q463
– 27 –
SD-EX100H
Figure 27 BLOCK DIAGRAM (3/5)
IC550
KIA7806AP
CONSTANT
VOLTAGE
REGULATOR
IC570
NJM4558M
OPE AMP.
IC571
NJM4558M
OPE AMP.
IC560
KIA7805AP
CONSTANT
VOLTAGE
REGULATOR
IC561
KIA7805AP
CONSTANT
VOLTAGE
REGULATOR
IC502
AN78L05
CONSTANT
VOLTAGE
REGULATOR
IC830
KIA7812AP
CONSTANT
VOLTAGE
REGULATOR
IC825
KIA7812AP
CONSTANT
VOLTAGE
REGULATOR
IC810
KIA7808AP
CONSTANT
VOLTAGE
REGULATOR
+5V A
+B AMP.
–B AMP.
PROTECT
AMP VCC
PROTECT
+5V D
Q560
Q800
Q570
Q501
P_IN
MAIN_RLY
MAIN_RLY
AD_3V
-B_CONT
PROTECT
BKUP_3V
DISPLAY
Q421
Q410
CD +B
+12V_M
ANA_+12V
ANA_–12V
RL560
D840
T500
MAIN POWER
TRANSFORMER
T501
SUB POWER
TRANSFORMER
D851~
854
D500~503
SO500
AC INLET
AC 230 V, 50 Hz
L500
AC LINE
FILTER
RL500
RELAY
DRIVER
D860~863
T.F.
F504
T1A 250V
F503
T3.15A 250V
F502
T6.3A 250V
F501
T6.3A 250V
1-BIT AMP.
T400
FL HEATER
VF1
VF2
DISPLAY
DISPLAY
–Vp
SD-EX100H
– 28 –
Figure 28 BLOCK DIAGRAM (4/5)
1
3
2
1
3
3
1
SO101
CF31 FM IF
X351 456 kHz
XT21
4.332 MHz
X71
4.5 MHz
24
23
22
21
20
18
12 13
14
20
21
22
23
24
15
17
16
15
14
13
12
11
10
9
2
1
4
3
8
8
7
6
5
4
2
1
22
21
20
17
16
15
13
12
11
10
9
8
7
6 5
4
3
1
8
7
6
5
4
3
2
1
AM
GND
AM IF
FM IF IN
FM IF
AMP.
FM IF
FM IF
+B
+B
+B
FM
75ohms
ANTENNA
TERMINAL
CE
CLK
DO
DI
GND
X IN
IC60
LC72131
PLL(TUNER)
ICT21
LC72722
RDS
DECODER
Q70
Q71
SWITCHING
FM +B
AM OSC.
AM RF
AFC
T21
T20
VT
FM OSC
AM IN
FM IN
SD
IF IN
MUTE
FM MONO/ST
STEREO
AM RF IN
AFC
IN
OUT
MPX
VCO
CUT
VDDD
CE
DI
CL
DO
VDDA
XIN
XOUT
T2
MPXIN
VREF
VSSA
FLOUT
CIN
7
5
6
T1
OUT
IF
AM OSC
IF IN
FM
OUT
IC30
LA1832S
FM IF DET./FM MPX./AM IF
TUN_R
TUN_L
A_+12V
SM
CE
CLK
DO
DI
R-CH
L-CH
OUT
FM/AM
IN
MPX
+5V
VOLTAGE
REGULATOR
MPX
PHASE
LOW PASS
FILTER
L30
QT21
5V
AM
ANTENNA
FM
MUTE
LELEL
VR31
10K(B)
CF30
T51
CF33
Q72
CF32
FE10
FM FRONT END
2
2
AM IF
TP301
X OUT
VD20
JK402
AUX INPUT
TERMINAL
Q339~Q342
MUTING
Q336
MUTING
DISPLAY SECTION
HEADPHONES
HEADPHONE
ALC
–12V(A)
+12V(A)
POWER SECTION
D/A CONVERTER
IC331
NJM4565M
OPE AMP.
1-BIT AMP SECTION
DISPLAY SECTION
–VCC
+VCC
–B
+B
L-CH
R-CH
+12V(A)
+B7
TUN_R
TUN_L
TUNER_SM
TUNER_SM
CE
CLK
DO
DI
AD-GND
R_OUT
L_OUT
GND(A)
IC301
LC75341M
AUDIO
PROCESSOR
R-CH
L-CH
GND
CLK
DI
CE
DO
R
R
R
L
L
L
TUNER
AUX
MD/CD
+B
TRE
BASS
NC
NC
IC330
NJM4558M
OPE AMP.
SURROUND
R-CH
L-CH
R-CH
L-CH
+B
–B
+VCC
–VCC
R-CH
L-CH
SURROUND
ON/OFF
Q330
Q331
SYSTEM_MUTE
Q333
Q334
Q334
Q337
R-CH
L-CH
6
5
1
2
7
8
3
6
3
5
8
4
7
1
2
4
19
6
1
3
4
21
16
9
15
10
13
12
14
11
20
5
23
2 24
VDD
+B
–B
Q337
Q338
Q338
H.P SW
Display