Sharp SM-SX1 (serv.man2) Service Manual ▷ View online
SM-SX1H
– 45 –
IC907 RH-iX2845AFZZ: System Microcomputer (IX2845AF)
Figure 45-1 BLOCK DIAGRAM OF IC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
33
32
31
30
29
28
27
26
25
24
23
44
43
42
41
40
39
38
37
36
35
34
LED3,P83
LED2,P82
LED1,P81
LED0,P80
AN0,PA0
AN1,PA1
AN2,PA2
AN3,PA3
AN4,PA4
AN5,PA5
AN6,PA6
DATA-IN
DATA-OUT
IC_CLK
KEY
VOLDIS
KEYA
KEYB
KEYC
P63
P62
P61
P60
P22,IRQ2
P21,IRQ1,SENS
P20,IRQ0
P14,TM4IO
P13,TM3IO
P12,TM2IO
P11
AN7,PA7
VDD
OSC2
OSC1
VSS
NC
TXD,SBO0,P00
RXD,SBI0,P01
SBT0,P02
BUZZER,P06
RMOUT,P10
P84,LED4
P85,LED5
P86,LED6
P87,LED7
MMOD
P27,NRST
P70
P67
P66
P65
P64
WAR_OUT
LINE_MUTE
POWER
SP_RLY
RESET
DIG_C
AMP ANA
AMP DIG
AUX1
AUX2
AUX3
DIG_MUTE
DIG_A
DIG_B
IC_STB
P_IN
PROTECT
D DATA
D LATCH
D CLK
CL_CONT
VDD
OSC2
OSC1
VSS
SDATA
SLATCH
SCLK
IC_RESET
AUD MUTE
Pin No.
Terminal Name
Function
1
VDD
Positive Supply to lower gate drivers. De-couple this pin to Vss (pin 7).
Bootstrap diode connected to HB (pin 2).
Bootstrap diode connected to HB (pin 2).
2
HB
High-Side Bootstrap supply. External bootstrap capacitor is required.
Connect positive side of bootstrap capacitor to this pin. Bootstrap diode is on-chip.
Connect positive side of bootstrap capacitor to this pin. Bootstrap diode is on-chip.
3
MO
High-Side Output. Connect to gate of High-Side power MOSFET.
4
HS
High-Side Source connection. Connect to source of High-Side power MOSFET.
Connect negative side of bootstrap capacitor to this pin.
Connect negative side of bootstrap capacitor to this pin.
5
HI
High-Side input.
6
LI
Low-Side input.
7
VSS
Chip negative supply, generally will be ground.
8
LO
Low-Side Output. Connect to gate of Low-Side power MOSFET.
ICA4~ICA7 VHiHiP2100/-1: FET Driver (HIP2100)
Figure 45-2 BLOCK DIAGRAM OF IC
1
2
2
3
4
8
7
7
6
5
VDD
HB
HO
HS
LO
VSS
LI
HI
1
8
4
3
2
5
6
7
VDD
HI
LI
VSS
LO
HS
HO
HB
UNDER
VOLTAGE
UNDER
VOLTAGE
LEVEL SHIFT
DRIVER
DRIVER
SM-SX1H
– 46 –
ICA1 RH-iX2815AFZZ: 7Th Order Modulation Conversion LSI (IX2815AF)
1
VDDR
—
R channel digital output section power terminal
2
OUTL (+)
Output
R channel forward output terminal
3
OUTL (–)
Output
R channel reverse output terminal
4
GNDD
—
Digital output section ground terminal
5
OUTR (–)
Output
L channel reverse output terminal
6
OUTR (+)
Output
L channel forward output terminal
7
VDDL
—
L channel digital output section power terminal
8
VDDX
—
Oscillation section power terminal
9
XI
Input
Quartz oscillator connection terminal. Clock necessary for the system is generated.
10
XO
Output
Quartz oscillator connection terminal. Clock necessary for the system is generated.
11
GNDX
—
Oscillation section ground terminal
12*
MCK
Output
System clock output terminal
13
TEST
Input
Test terminal. As usual, it is used at "L".
14
NFL1 (+)
Input
L channel forward signal feedback input terminal
15
NFL2 (–)
Input
L channel reverse signal feedback input terminal
16
GNDA
—
Analog ground terminal for AD converter
17
L-CH IN
Input
L channel analog input terminal
18
L-CH Vref
—
Reference voltage terminal for L channel
19
R-CH Vref
—
Reference voltage terminal for R channel
20
R-CH IN
Input
R channel analog input terminal
21
RESET
Input
Reset terminal. It is reset with "L".
22
NFR2 (–)
Input
R channel reverse signal feedback input terminal
23
NFR1 (+)
Input
R channel forward signal feedback input terminal
24
VDA
—
Analog current terminal for AD converter
Pin No.
Port Name
Input/Output
Function
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
VDDR
VDDA
NFR1(+)
NFR2(–)
RESET
Rch IN
Rch Vref
Lch Vref
Lch IN
GNDA
NFL2(–)
NFL1(+)
TEST
OUTR(+)
OUTR(–)
GNDD
OUTL(–)
OUTL(+)
VDDL
VDDX
XI
XO
GNDX
MCK
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
VDA
NFR1(+)
NFR2(–)
RESET
Rch IN
Rch Vre
f
Lch Vref
Lch IN
GNDA
NFL2(–)
NFL1(+)
TEST
VDDR
OUTR(+)
OUTR(–)
GNDD
OUTL(–)
OUTL(+)
VDDL
VDDX
XI
XO
GNDX
MCK
Lch 7th order
Modulation Circuit
Rch 7th order
Modulation Circuit
Comparator
Comparator
Amplitude Doubling
Converter
Amplitude Doubling
Converter
Oscillator
Figure 46 BLOCK DIAGRAM OF IC
SM-SX1H
– 47 –
PARTS GUIDE
NOTE:
Parts marked with “
” are important for maintaining the safety of the set.
Be sure to replace parts with specified ones for maintaining the safety and performance of the set.
MODEL
SM-SX1H
“HOW TO ORDER REPLACEMENT PARTS”
To have your order filled promptly and correctly, please furnish the
following information.
1. MODEL NUMBER
2. REF. No.
3. PART NO.
4. DESCRIPTION
MARK: SPARE PARTS-DELIVERY SECTION
Explanation of capacitors/resistors parts codes
Capacitors
VCC ....................... Ceramic type
VCK ........................ Ceramic type
VCK ........................ Ceramic type
VCT ........................ Semiconductor type
VC • • MF ............... Cylindrical type (without lead wire)
VC • • MN ............... Cylindrical type (without lead wire)
VC • • MN ............... Cylindrical type (without lead wire)
VC • • TV ................ Square type (without lead wire)
VC • • TQ ............... Square type (without lead wire)
VC • • CY ............... Square type (without lead wire)
VC • • CY ............... Square type (without lead wire)
VC • • CZ ............... Square type (without lead wire)
VC • • • • • • • • • J .. The 13th character represents capacity difference.
("J"
±
5%, "K"
±
10%, "M"
±
20%, "N"
±
30%,
"C"
±
0.25 pF, "D"
±
0.5 pF, "Z" +80-20%.)
If there are no indications for the electrolytic capacitors, error is
±
20%.
Resistors
VRD ....................... Carbon-film type
VRS ........................ Carbon-film type
VRS ........................ Carbon-film type
VRN ....................... Metal-film type
VR • • MF ............... Cylindrical type (without lead wire)
VR • • MN ............... Cylindrical type (without lead wire)
VR • • MN ............... Cylindrical type (without lead wire)
VR • • TV ................ Square type (without lead wire)
VR • • TQ ............... Square type (without lead wire)
VR • • CY ............... Square type (without lead wire)
VR • • CY ............... Square type (without lead wire)
VR • • CZ ............... Square type (without lead wire)
VR • • • • • • • • • J .. The 13th character represents error.
("J"
±
5%, "F"
±
1%, "D"
±
0.5%.)
If there are no indications for other parts, the resistors are
±
5%
carbon-film type.
For U.S.A. only
Contact your nearest SHARP Parts Distributor to order.
For location of SHARP Parts Distributor,
Please call Toll-Free;
1-800-BE-SHARP
Please call Toll-Free;
1-800-BE-SHARP
1-BIT AMPLIFIER
PRICE
RANK
DESCRIPTION
NO.
PARTS CODE
NO.
PARTS CODE
PRICE
RANK
DESCRIPTION
SM-SX1H
– 1 –
INTEGRATED CIRCUITS
IC101
VHINJM4558M-1
J
AC
Motor Driver,NJM4558M
IC102
VHI74HC153F-1
J
AH
Inverter,74HC153F
IC103
VHITC74HCU04F
J
AF
Amp.,TC74HCU04F
IC301
VHINJM431U/-1
J
AE
Regulator,NJM431U
IC302
RUNTZ0775AFZZ
J
AZ
DC/DC Converter,TZ0775AF
IC303
VHINJM78M05-1
J
AE
+5V Voltage Regulator,
NJM78M05
IC304
VHINJM78M12-1
J
AF
+12V Voltage Regulator,
NJM78M12
IC305
VHINJM79M12-1
J
AF
-12V Voltage Regulator,
NJM79M12
IC306
VHINJM431U/-1
J
AE
Regulator,NJM431U
IC307
VHINJM4558M-1
J
AC
Motor Driver,NJM4558M
IC308
RH-IX2838AFZZ
J
AP
Analog Amp.,IX2838AF
IC800
VHIYM3436D/-1
J
BA
Digital Interface Receiver,
YM3436D
IC801
VHISM5844AF-1
J
BF
Sampling Rate Converter,
SM5844AF
IC802
VHITC7W04F/-1
J
AD
Inverter,TC7W04F
IC803
VHITDA1307/-1
J
BS
1-Bit Conversion,TDA1307
IC804
VHI74ACT00F-1
J
AE
Control,74ACT00F
IC805
VHI74HC74AF+1
J
Waveform Rectification,
74HC74AF
IC806,807
VHI74ACT00F-1
J
AE
Control,74ACT00F
IC809
VHI74HC74AF+1
J
Waveform Rectification,
74HC74AF
IC810
VHITC7WU04F-1
J
AD
PC Controll,TC7WU04F
IC811
VHITC7W74F/-1
J
AE
Change Voltage,TC7W74F
IC812
VHITC7W08F/-1
J
Inverter,TC7W08F
IC903~905
VHIBU2114F+-1
J
AL
LED Driver,BU2114F
IC907
RH-IX2845AFZZ
J
AZ
System Microcomputer,
IX2845AF
IC908
VHIPST9119F-1
J
AE
Reset,PST9119F
ICA1
RH-IX2815AFZZ
J
AV
7th Order Modulation Conver-
sion LSI,IX2815AF
ICA2
VHI74AC00F/-1
J
AE
NAND Gate,74AC00F
ICA3
VHITAC08F//-1
J
AE
AND Gate,TAC08F
ICA4~7
VHIHIP2100/-1
J
AQ FET Driver,HIP2100
TRANSISTORS
Q101~103
VS2SC2412KR-1
J
AB
Silicon,NPN,2SC2412 KR
Q201
VS2SC2412KR-1
J
AB
Silicon,NPN,2SC2412 KR
Q202
VS2SA1037KR-1
J
AB
Silicon,PNP,2SA1037 KR
Q203~208
VS2SC2412KR-1
J
AB
Silicon,NPN,2SC2412 KR
Q301~303
VS2SC2412KR-1
J
AB
Silicon,NPN,2SC2412 KR
Q304
VS2SD2394F/-1
J
AE
Silicon,NPN,2SD2394 F
Q305
VS2SC2412KR-1
J
AB
Silicon,NPN,2SC2412 KR
Q306,307
VS2SC3242-F-1
J
AC
Silicon,NPN,2SC3242 F
Q309
VS2SD2394F/-1
J
AE
Silicon,NPN,2SD2394 F
Q310
VS2SA1037KR-1
J
AB
Silicon,PNP,2SA1037 KR
Q311
VS2SC2412KR-1
J
AB
Silicon,NPN,2SC2412 KR
Q313~316
VS2SA1036KR-1
J
AC
Silicon,PNP,2SA1036 KR
Q317~320
VS2SC2412KR-1
J
AB
Silicon,NPN,2SC2412 KR
Q321,322
VS2SK389BL+-1
J
AH
FET,2SK389 BL
Q323,324
VS2SJ109BL+-1
J
AM FET,2SJ109 BL
Q325,326
VS2SK170-BL-1
J
AD
FET,2SK170 BL
Q327,328
VS2SJ74BL++-1
J
AG FET,2SJ74 BL
Q801~803
VS2SC2412KR-1
J
AB
Silicon,NPN,2SC2412 KR
QA1~8
VS2SA1483//-1
J
AM Silicon,PNP,2SA1483
QA9,10
VSMP4712+++-1
J
AS
Power FET
×
4,MP4712
DIODES
D101~103
VHDDAN202K/-1
J
AB
Silicon,DAN202K
D201~204
VHDDAN202K/-1
J
AB
Silicon,DAN202K
D301~303
VHDDAN202K/-1
J
AB
Silicon,DAN202K
D304
VHD20E4FD//-1
J
AC
Silicon,20E4FD
D305~308
VHD1SR154/4-1
J
AC
Silicon,1SR154
D310~315
VHD1SR154/4-1
J
AC
Silicon,1SR154
D316~323
VHDDAN202K/-1
J
AB
Silicon,DAN202K
D324~327
VHD1SR154/4-1
J
AC
Silicon,1SR154
D328
VHDDAN202K/-1
J
AB
Silicon,DAN202K
D800~803
VHDDAN202K/-1
J
AB
Silicon,DAN202K
D900
VHDDAN202K/-1
J
AB
Silicon,DAN202K
DA1~8
VHD1SS355//-1
J
AB
Silicon,1SS355
DA9~16
VHDSM1XP2//-1
J
AD
Silicon,SM1XP2
LED900~904
RH-PX1124AFZZ
J
AL
LED,White,PX1124AF
LED905~907
VHPGL9BC030-1
J
BA
LED,White,GL9BC030
ZD101
VHEMTZJ5R1B-1
J
AC
Zener,5.1V,MTZJ5.1B
ZD301
VHEMTZJ160A-1
J
AA
Zener,16V,MTZJ16A
ZD302,303
VHEMTZJ5R6B-1
J
AD
Zener,5.6V,MTZJ5.6B
ZD304
VHEHZ5BLL//-1
J
AC
Zener,5V,HZ5BLL
ZDA1~8
VHEHZU12B3+-1
J
AB
Zener,12V,HZU12B3
ZDA81A~84A
VHEHZ7A2///-1
J
AB
Zener,7V,HZ7A2
ZDA81B~84B
VHEHZ7A2///-1
J
AB
Zener,7V,HZ7A2
THYRISTOR
THY301
VHSSF3J48++-1
J
AK
Thyristor,SF3J48
COILS
L101,102
RCILC0371AFZZ
J
AC
Line Filter
L105,106
RCILC0371AFZZ
J
AC
Line Filter
L109,110
RCILC0371AFZZ
J
AC
Line Filter
L113,114
RCILC0371AFZZ
J
AC
Line Filter
L117
RFILN2023SCZA
J
AF
Line Filter,Digital Signal
L118,119
VPACK100J0000
J
AB
10
µ
H
L120,121
RCILC0371AFZZ
J
AC
Line Filter
L201~207
RCILC0371AFZZ
J
AC
Line Filter
L301~303
VP-CH221K0000
J
AB
220
µ
H,Noise Filter
!
L501
RCILZ0337AFZZ
J
AT
Line Filter,5 mH
!
L502
RCILZ0318AFZZ
J
AF
Line Filter,220
µ
H
L800~806
RCILC0371AFZZ
J
AC
Line Filter
L808~813
RCILC0371AFZZ
J
AC
Line Filter
L900
VPACK220J0000
J
AB
22
µ
H
LA801~804
RCILZ0335AFZZ
J
AR
10.8
µ
H
LA805~808
RCILZ0336AFZZ
J
AS
5.6
µ
H
VARIABLE RESISTORS
VOL301
RVR-A0267AFZZ
J
BD
20 kohms (B)
×
5
[Main Volume]
VRA1~4
RVR-M1615AFZZ
J
AP
200 ohms (B),Semi-VR
[1-Bit AMP. Feadback Level
Adjustment]
Adjustment]
VIBRATORS
CXA1
RCRSC0032AFZZ
J
AH
Crystal,11.2896 MHz
X800
RCRSC0032AFZZ
J
AH
Crystal,11.2896 MHz
X900
RCRM-0202AFZZ
J
AD
Ceramic,8.00 MHz
THERMISTORS
!
R390
RH-QX0006AWZZ
J
AE
Posistor,4.7 ohms
!
R391
RH-QX0003AWZZ
J
AK
Posistor,2.2 ohms
!
R392
RH-QX0002AWZZ
J
AK
Posistor,0.7 ohms
!
R393
RH-QX0003AWZZ
J
AK
Posistor,2.2 ohms
!
R396,397
RH-QX1067AFZZ
J
AE
Posistor,8.2 ohms
CAPACITORS
C101~108
VCKYTV1HB102K
J
AA
0.001
µ
F,50V
C112
VCKYTV1EB103K
J
AA
0.01
µ
F,25V
C113
VCKYTV1EB104K
J
AA
0.1
µ
F,25V
C114
RC-GZA105AF1H
J
AB
1
µ
F,50V,Electrolytic
C115,116
VCKYTV1EB104K
J
AA
0.1
µ
F,25V
C117,118
VCKYTV1HB103K
J
AA
0.01
µ
F,50V
C119
VCE9GA1VW476M J
AF
47
µ
F,35V,Electrolytic,Non-Polar
C120,121
VCKYTV1EB104K
J
AA
0.1
µ
F,25V
C122
VCKYTV1EB223K
J
AB
0.022
µ
F,25V
C202,203
VCE9GA1VW336M J
AD
33
µ
F,35V,Electrolytic,Non-Polar
C304
VCEA7A476AF1C
J
AB
47
µ
F,16V,Electrolytic
C305
VCKYTV1HB102K
J
AA
0.001
µ
F,50V
C306
RC-EZ1699AFZZ
J
AK
47
µ
F,20V,Electrolytic
C307
VCKYTV1HB103K
J
AA
0.01
µ
F,50V
C308,309
RC-EZ1714AFZZ
J
AD
220
µ
F,35V,Electrolytic
C310
VCKYTV1HB103K
J
AA
0.01
µ
F,50V
C311
RC-KZ1255AFZZ
J
AD
0.22
µ
F,100V,Ceramic
C312
VCKYTV1CF224Z
J
AB
0.22
µ
F,16V
C313,314
RC-EZY106AF1E
J
AB
10
µ
F,25V,Electrolytic
C315~317
RC-EZY107AF1C
J
AB
100
µ
F,16V,Electrolytic
C318,319
RC-EZ1712AFZZ
J
AH
2200
µ
F,35V,Electrolytic
C321,322
VCKYTV1HB103K
J
AA
0.01
µ
F,50V
C323,324
RC-EZY106AF1E
J
AB
10
µ
F,25V,Electrolytic
C325,326
RC-EZ1713AFZZ
J
AC
33
µ
F,35V,Electrolytic
C327,328
VCKYTV1HB103K
J
AA
0.01
µ
F,50V
C331
VCEA7A476AF1C
J
AB
47
µ
F,16V,Electrolytic
C332
VCKYTV1HB102K
J
AA
0.001
µ
F,50V
C333,334
RC-EZY107AF1C
J
AB
100
µ
F,16V,Electrolytic
C335,336
RC-EZY106AF1E
J
AB
10
µ
F,25V,Electrolytic
Click on the first or last page to see other SM-SX1 (serv.man2) service manuals if exist.