CD-BA1700 (serv.man7). Part 2 - Notes on diagrams, Block diagrams, Schematic diagrams - Sharp Audio Service Manual (repair manual). Page 4

Read Sharp CD-BA1700 (serv.man7) Service Manual online

– 23 –
CD-BA160H/1700H
 Figure 23 BLOCK DIAGRAM (3/3)
+B2 
+5V 
5V
EC/PLAY
VLOAD 
+B3 
RESET  IC
SYS.  STOP 
RESET 
+B2 
M901
FAN  MOTOR 
+B3 
+B3 
+B3 
+B3 
VDD 
VDD 
VDD 
L-OUT 
R-OUT 
SP.  DET.
UNSWITCH
+5V 
A10V
+B3 
+B2 
+B1 
TEM
E   
CE
DI
CLK
DO
+B1 
-Vcc
+Vcc
BAIS
T1/T2 
AVDD
SW601-SW623
SW625~SW628 
KEY SWITCH 
SECTION 
TO  CD 
AC  POWER
SUPPLY  
CORD 
T.F.
1 2 3
47 48 49
6
13 14
16
59
10
3
1
2
11 12 13 15 16 17
20 21 22 23 24
1
1
7
8
9
15
13
10
7
9
4 5 6
63
78
79
80
85
90
92
93
100
56 55 54 53 52 51 50 49
47 46 45 44 43 42 41 40
39
38
37
36
35
34
33
31
23
28 29
44
L-CH
R-CH
~
~
~
~
~
~
~
~
~
~
~
AVref
T-BIAS 
T_T1/T2 
REC/PLAY 
SO901
(CD-BA160H)
FOR 2 SPEAKERS
SO902
(CD-BA1700H)
FOR 4 SPEAKERS 
SURROUND
SPEAKER
(CD-BA1700H
 ONLY) 
SO902
(FOR
CD-BA1700H) 
SPEAKER
TERMINALS  
+B
REMOTE SENSOR
1
3
2
RX701 
TAPE
MOTOR
TO TAPE
MECHANISM
+B
3
1
2
2
2
3
1
1
3
RESET
X2
X1 
MOTOR
DRIVER 
MOTOR
DRIVER 
+B2
JK951
HEADPHONES  
7
1
30
29
28
EANA2
SPEANA1
SPEANA0
IC701
IX0329AW
SYSTEM MICROCOMPUTER
SO901
FRONT
SPEAKER
(FOR 
 CD-BA160H)
RL951
RELAY 
F801
T4A L 250V
IC901
STK40204
POWER  AMP. 
D801
XL701
4.19MHz 
RL871
RELAY 
F802
T4A L 250V 
D802-D805 
F803
T2A L 250V 
L801
IC851 
PT801
MAIN POWER TRANSFORMER 
PT871
SUB POWER TRANSFORMER 
D872-875
Q873
IC852 
IC841 
Q971
Q609
IC704 
Q601~
Q603 
Q901
Q902
Q903
Q904
01
02
FL701
FL DISPLAY 
IC704
KIA7042AP
RESET 
L-CH 
L-CH 
L-CH
GND 
L-CH 
GND 
R-CH 
R-CH
GND 
R-CH 
R-CH 
GND 
SO801
AC INPUT
SOCKET
AC 230V
      50Hz
LINE 
FILTER
Q951
Q605
Q606
Q607
M
Q608
Q604
LED722
VOLTAGE REGULATOR
IC852
AN78L05
CONSTANT VOLTAGE
REGULATOR 
IC841
KIA7810AP
VOLTAGE
REGULATOR 
IC851
KIA7805P
VOLTAGE REGULATOR 
Q801
VOLTAGE REGULATOR
Page of 14
Display

Click on the first or last page to see other CD-BA1700 (serv.man7) service manuals if exist.