SD-SG11 (serv.man3). 2 - Notes on schematic diagrams, Block diagrams (17-24) - Sharp Audio Service Manual (repair manual)

sd-sg11 (serv.man3) service manual
Model
SD-SG11 (serv.man3)
Pages
8
Size
208.04 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / 2 - Notes on schematic diagrams, Block diagrams (17-24)
File
sd-sg11-sm3.pdf
Date

Read Sharp SD-SG11 (serv.man3) Service Manual online

– 17 –
SD-SG11H
 Schematic diagram and Wiring Side of P.W.Board for this
model are subject to change for improvement without prior
notice.
 The indicated voltage in each section is the one measured
by Digital Multimeter between such a section and the chas-
sis with no signal given.
1. In the tuner section,
(  ) indicates AM/FM stereo
2. In the CD section, the CD is stopped.
 Parts marked with “ 
1
 ” (                          ) are important for
maintaining the safety of the set. Be sure to replace these
parts with specified ones for maintaining the safety and
performance of the set.
NOTES ON SCHEMATIC DIAGRAM
 Resistor:
To differentiate the units of resistors, such symbol as K and
M are used: the symbol K means 1000 ohm and the symbol
M means 1000 kohm and the resistor without any symbol is
ohm-type resistor. Besides, the one with “Fusible” is a fuse
type.
 Capacitor:
To indicate the unit of capacitor, a symbol P is used: this
symbol P means pico-farad and the unit of the capacitor
without such a symbol is microfarad. As to electrolytic
capacitor, the expression “capacitance/withstand voltage” is
used.
(CH), (TH), (RH), (UJ): Temperature compensation
(ML): Mylar type
(P.P.): Polypropylene type
SW1930
WRITE PRO
ON—OFF
SW1931
DISC MEDIA
ON—OFF
SW1932
LOADING
ON—OFF
SW1933
RECORD
ON—OFF
SW1934
PLAY
ON—OFF
SW1936
LEAD IN
ON—OFF
SWD02
ON/STAND-BY
ON—OFF
SWD03
TUNER (BAND)
ON—OFF
SWD04
AUX (DEMO)
ON—OFF
SWD05
CD UP/TUNING UP
ON—OFF
SWD06
CD DOWN/TUNING DOWN
ON—OFF
SWD07
CD PLAY/PAUSE
ON—OFF
SWD08
CD STOP
ON—OFF
SWD09
CD EJECT
ON—OFF
REF. NO
DESCRIPTION
POSITION
POSITION
REF. NO
DESCRIPTION
SWD10
+10
ON—OFF
SWD11
VOLUME DOWN
ON—OFF
SWD12
VOLUME UP
ON—OFF
SWD13
DOOR OPEN/CLOSE
ON—OFF
SWD14
MD REC
ON—OFF
SWD15
MD STOP
ON—OFF
SWD16
MD PLAY/PAUSE
ON—OFF
SWD17
MD DOWN
ON—OFF
SWD18
MD UP
ON—OFF
SWD19
MD EJECT
ON—OFF
SWD20
PLAY MODE
ON—OFF
SWD21
ERASE
ON—OFF
SWD23
OPEN/CLOSE
ON—OFF
SWD24
REC MODE
ON—OFF
TYPES OF TRANSISTOR AND LED
2SA1162 G
2SD601 AR
KRA225 S
KRC102 S
UN2113
UN2213
UN2214
UN221N
DS1SS133
2A02M
B
(3)
E
(1)
C
(2)
TOP
VIEW
SB00703Q
SBE803
TOP VIEW
TOP VIEW
TOP VIEW
TOP VIEW
2SC2878 B
2SK1725
KTA1023 Y
KTA1266 GR
KTA1271 Y
KTA1273 Y
KTC3199 GR
KTC3203 Y
KRA107 M
KRA106 M
KRC104 M
KRC107 M
VIEW
FRONT
E   C   B
(S)(G)(D)
(1)(2)(3)
DS1N404S
1SS355
5
4
3
2
1
1:Cathode
2:Cathode
3:Anode
4:No Contact
5:Anode
2SA1314 C
FRONT
VIEW
B
C
E
TS6B04GM
A C
A C
VIEW
FRONT
FRONT
VIEW
2647RT49
4204UYT9
4204UGT9
DB3804X
LNG901CF
2SB1205
FRONT
VIEW
B
C
E
SD-SG11H
– 18 –
Figure 18 BLOCK DIAGRAM (1/7)
TO TUNER UNIT
TUN1
LEDD01
LEDD02
PHCU01
CNPU06
LEDD03
LEDD04
LEDD05
LEDD06
LEDD14
LEDD13
LEDD15
LOAD_M+ 
LED12 
LED4
LED2
LED1
LED12 
LOAD_M– 
CD_SENS_B 
CD_SENS_A 
LOAD_M- 
CD_SENS_C 
BUS0
BUS2
CD_RESET
MD_LOADS
LED5
LED1
CCE 
BUCK
DO
DI
TUN_MUTE
CE
POWER 
LCK2
LCK1_ 
BUS2
CD_SENS_A 
DR_M+ 
LED6
DO
LCK1_ 
CLK 
DI
MD_SERCH
MD_D_STB_
MD_KDATA
MD_ST 
TUNER_SM
LED4
LED7
DR_M–
DR_CL_IN
MD_RESET
MD_DSCK 
MD_DATA_
CLK 
CE
DI
LINE_MUTE 
DATA
CLOCK
CLK
SYS_MUTE
TUN_MUTE
DR_M+ 
DR_M– 
LOAD_M+ 
MD_DISC_IN
DR_CL_IN
DR_OP_IN
DR_OP_IN
MD_DISC_IN
LED5
LED6
LED7
BUS1
BUS3
BUS0
CD_SENS_C 
CD_FUNC 
TUN_R 
TUN_L 
COMP
CCE 
CD_CHK_SW 
BUS1
BUCK
BUS3
CLK 
TUNER_SM
CD_SENS_B 
LED2
CD_CHK_SW 
LED3
LED3
+B7 
(+12V)
+B5(5V  SWD) 
VF2 
RESET 
ST
SYSTEM
HP_SW 
AUX+B
PROTECT 
TUN_ST/SD 
QD09
QD10
+B4(8V) 
+B11(5V  CD) 
ICD02
BU2092F
INPUT/OUTPUT
EXPANDER
+B12(5V)
TUNE
ICU03
TA7291S
LOADING MOTOR
DRIVER
+B4(8V) 
VS
+B12(5V)
ICD03
BU2092F
INPUT/OUTPUT
EXPANDER
+B7(12V) 
+B5(5V) 
POWER 
QD11
QD05
QD04
QD03
SP
LP2 
LP4 
MONO
BLUE
GREEN 
RED 
RED 
GREEN 
BLUE
SLEEP 
MD  DISC
IN  SW
M
M904
MD/CD LID
MOTOR
– 
OPEN
CLOSE 
VSS 
AVSS
VEE 
VCC 
VREF
CD  RESET
INVERTER
QD01
+B12
TIMER_LED 
VP 
X-IN
X-OUT 
VF1 
+B13(5V) BACK  UP 
+B5(+5V)
FLD01
~
~
8.3886 MHz
XLD01
RMD01
REMOTE
SENSOR
KEY
SWD02~SWD21
SWD24
ICD01
IX0439AW
SYSTEM MICROCOMPUTER
15
47
44
43
12 13 14 23 24 25 26 27 28 29
46 
32
37
36
33
41 45
31
6  42
10 
14 
13 
18 
15 
16 
5 2 
1
4
26 22 
21 
24 23 
25 20 
19 
18 
9 7 
13 12 11 10
17 
11
39
  40
54
59 57
38
48
90
92
97
98
91
100
10 
11 
18 
16 
16 15 14 
5
14 
12 
15 11
13 
3
10 
22
21
20
19
18
17
16
35
34
10
30
99
SWD23
OPEN/CLOSE
TO CD SERVO PWB UNIT
LED DRIVE
LED DRIVE
LED DRIVE
LED DRIVE
BUFFER
BUFFER
TUN_FM
15
– 19 –
SD-SG11H
Figure 19 BLOCK DIAGRAM (2/7)
TO MD SECTION
TO TUNER UNIT
TUN1
MPX IN
CNPU04
CNSU03
CNSU01
CNPU09
CNPU08
CNPU07
CNPU05
CNSU02
MD_LOADSW 
MD_SERCH
MD_DSCK 
MD_DATA_
MD_RESET
MD_ST 
MD_KDATA
POWER 
MD_D_STB_ 
POWER 
CD_FUNC 
MD_LOADSW 
LINE_MUTE 
R_AUX_IN
L_AUX_IN
L__REC_OUT
R__REC_OUT
R_PRE_OUT 
L_PRE_OUT 
DO
DI
TUN_MUTE
LCK2
LCK1_ 
DO
MD_SERCH
MD_D_STB_ 
MD_KDATA
MD_ST 
LRCK
DATA
BCCK
MD_RESET
MD_DSCK 
MD_DATA_
CLK 
CE
DI
TUN_R 
TUN_L 
COMP
CD_FUNC 
CLK 
TUNER_SM
DATA
LRCK
BCCK
DI
CLK 
LCK2
HP_SW 
PROTECT 
CD_FNUC 
POWER 
R_H/P_OUT 
L_H/P_OUT 
+B13(5V)
BACK  UP
+B12(5V)
+B3(5.6V  USWD)
+B7 
(+12V)
+B5(5V  SWD) 
VF2 
VF1 
–VP 
+B8(6V) 
+B6(5V) 
+B5(5V  SWD) 
+B3(5.6V  USWD)
SYSTEM MUTE 
QP03
QP04
QP05
+B4(8V) 
+B11(5V  CD) 
–B2(–12V)
+B7(+12V)
VF2 
ICP01
NJM4580M
BUFFER AMP.
+B3(5.6V  USWD)
CD DIGITAL SIGNAL
ALC 
QP11
QP12
+B7
(+12V)
–B2
(–12V)
+VCC
–VCC
R-CH
L-CH
RESET 
STOP
SYSTEM
HP_SW 
AUX+B
PROTECT 
TUN_ST/SD 
ICE04
PST9140
RESET
QD06
QD12
RESET 
SYSTEM
STOP
QP09
QD13
QU04
QP01
QP02
SYSTEM_MUTE 
L-CH
R-CH
L-CH
R-CH
+B7(12V)
DIG-IN
GND 
+B11(5V  CD) 
VOLTAGE
REGULATOR
+B11(5V  CD) 
+B5(5V SWD) 
VOLTAGE
REGULATOR
ICU02
74VHC00F
INVERTOR
ICU04
74VHC08F
INVERTOR
ICU05
LC89051V
DIGITAL  AUDIO
INTERFACE
MD/CD 
AUX 
TUNER 
CE
DI
CLK 
SELO
GND 
REC
OUT
ICU01
LC75341M
AUDIO
PROCESSOR
+B6(5V) 
+B8(6V) 
DIG-OUT 
DIG-IN
D-GND 
BACKUP
PDOWN 
RESET 
MD-ST 
DSCK
SERCH 
KDATA 
MDDATA
DSTB
D-GND 
D-GND 
D-GND 
D-GND 
D-VDD 
D-VDD 
PCONTO
LOADSW
A-VCC 
AA-GND
AD-GND
TO MD SECTION
L_IN
R_IN
R_OUT 
L_OUT 
GND(A)
VEE 
VCC 
VREF
+B12
VP 
+B13(5V) BACK  UP 
TER
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
12 
2
3
3
10 
11 
15
1
5
3
1
7
14 
16 
14 
8
1  2 
12 
23
21
10
22
2
12  13 
14 
11 
37
36
33
41 45
31
42
59 57
98
91
100
5
9 2 
14 
6 1 
12 
5 11
13 
10 
22
21
20
19
18
17
16
24 
17 
12 13 
15 
21 
16 
23 
35
34
10
30
13 
15 
18 
7
10
19 
17 
8
6
5
1
4
12 
13 
9
11 
2
TO POWER 
SECTION
TO CD 
SECTION
TO POWER 
SECTION
TO POWER 
SECTION
TO POWER 
SECTION
BUFFER
MUTE
DRIVE
RESET
DRIVE
QD07
QE01
QD08
CE
DI
CLK
VSSA
XOUT
XIN
T1
T2
VSSD
DO
VDDA
VDDD
TUN_FM
XT21
4.332MHz
23 22 21 20
15
12 13
14
2
3
4 7
8
+B5
(5V SWD)
ICT21
LC72720
RDS DECORDER
SD-SG11H
– 20 –
Figure 20 BLOCK DIAGRAM (3/7)
T601
POWER TRANSFORMER
CNP601
CNP602
CNP603
JTP01
SYSTEM OUT/
LINE OUT/AUX IN 
TERMINAL
IC650
TORX178A
DIGTAL IN
PROTECT 
HP_SW 
LCK2
CLK 
DI
LINE_MUTE 
CD_FNUC 
R__REC_OUT
L__REC_OUT
L_AUX_IN
R_AUX_IN
L_H/P_OUT 
POWER 
L_PRE_OUT 
R_PRE_OUT 
R_H/P_OUT 
S3_2
PROTECT_
DI_ 
CLK_
LCK2_ 
POWER_
S3_1
SO 605
SYSTEM
CONTROL
TERMINAL
+B5(5V  SWD) 
TO MAIN SECTION
MAIN  SECTION
GND(D)
D-OUT 
TO MAIN SECTION
–B2(–12V)
+B7(+12V)
+B8(6V) 
+B5(5V  SWD) 
+B11(5V  CD) 
VF2 
VF1 
–VP 
QP07
QP08
QP06
BI650 
+B7(+12V)
–B2(–12V)
+B4(8V) 
+B3(5.6V  USWD)
+B5(5V  SWD) 
+B6(5V MD) 
+B8(6V MD) 
–VP 
VF1 
VF2 
+B11(5V  CD) 
R-CH
L-CH
AUX IN
LINE OUT
L-CH
R-CH
SYSTEM OUT
R-CH
L-CH
TO MAIN SECTION
JHP01 
HEADPHONES
Q603
Q606
Q605
+B4(8V CD)
IC601
KIA7812AP
CONSTANT
VOLTAGE
REGULATOR
IC602
KIA7805AP
CONSTANT
VOLTAGE
REGULATOR
+B4(8V  CD)
(5.6V  USWD) 
+B3 
+B6(5V  MD)
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
Q602
Q601
D601-D604 
VOLTAGE 
REGULATOR
VOLTAGE 
REGULATOR
15
18
13
11
13
12
17
19
10
16
14
11
10
12
1
13
3
12
11
10
BUFFER
MUTE
DRIVE
PROTECT
DRIVE
5V CD
SWITCHING
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Here you can read online and download Sharp SD-SG11 (serv.man3) Service Manual in PDF. SD-SG11 (serv.man3) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sharp SD-SG11 (serv.man3) System. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.