Read Sharp XL-70 (serv.man23) Service Manual online
– 23 –
XL-60H/70H
Figure 23 BLOCK DIAGRAM (2/4)
REC
STEREO
SD
CE
CD+B
P MUTE
P-STB
DI
CL
DO
FM ST
SD
1 2 3 4 5 6 7
CD L
CNP605
TO CD SERVO PWB
MOT
SOL
U_CON 5V
D-GND
M_12V
A_12V
TAPE SW
REC L/R CH
TAPE L/R CH
SPLAY PWB
TO DISPLAY PWB
11
6 7 8 9 10
SO601
SPEAKER
TERMINALS
SPEAKER
TERMINALS
J601
HEADPHONES
HEADPHONES
13
IC601
LA4451
POWER
AMP.
POWER
AMP.
12
7
VCC
4
NF
L-CH IN
R-CH IN
L-CH OUT
R-CH OUT
P-CONT
MUTE
Q602
Q601
VSS
VDD
IC401
LC75342M
15
14
13
12
11
10
9
17
18
19
20
21
22
23
24
25
26
27
28
29
16
8
7
6
5
4
3
2
1
CE
DI
30
CL
LOGIC
TUN L
TAPE L
CD L
TAPE R
TUN R
CD R
1
2
3
4
5
6
7
8
9
CNS704
UTE
E
A_12V
FROM
DISPLAY
PWB
CNP652
Q607
Q605
Q604
Q606
Q608
Q603
Q609
VOLTAGE
REGULATOR
CD+B
CD_6.2V
MECHA 12V
(M_12V)
AUDIO 12V
(A_12V)
12V
R-CH OUT
L-CH OUT
A_12V
A-GND
CD R
M-GND
M_12V
D_GND
CD_6.2V
12
L-CH
L-CH
+
+
1
2
9
2
5
11
8
14
REC R CH
REC L CH
X521
456kHz
456kHz
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
RDS CLK
Q521
A_12V
10
11
12
RDS DATA
VSM
AMP.
IC521
RDS CIRUIT
LC72723M
NC
FUNCTION/VOLUME EQUALIZER
8
7
6
5
1
2
3
4
Q201
Q203
A_12V
A GND
L-CH OUT
R-CH OUT
R-CH IN
SURROUND
ON/OFF
CONT
IC201
KIA4558P
SURROUND CONTROL
KIA4558P
SURROUND CONTROL
L-CH IN
R-CH
L-CH
SO401
VIDEO/
AUX
INPUT
VIDEO/
AUX
INPUT
2
1
3
2
1
GND
CNS652
Q682
Q681
Q683
T.F
D656~D659
D651~D654
VOLTAGE REGULATOR
RLY681
LF651
LINE
FILTER
LINE
FILTER
SO651
AC POWER
INPUT SOCKET
AC230V,50Hz
T681
SUB POWER
TRANSFORMER
D681~D684
CNP707
T651
MAIN POWER
TRANSFORMER
F652
T1.25A L 250V
F651
T3.15A L 250V
GND
2
2
1
1
GND
CNS651
CNP651
IC201 KIA4558P
AUX R
AUX L
3
Click on the first or last page to see other XL-70 (serv.man23) service manuals if exist.