Read Sharp XL-3500 (serv.man14) Service Manual online
XL-3500H
– 22 –
Figure 22 BLOCK DIAGRAM (2/3)
Q801
Q802
GVSW
FEO
FEN
VRO
RFRP
RFIS
RFGO
RFGC
AGCI
RFO
RFN
GND
FEO
FEN
VRO
RFRP
RFIS
RFGO
RFGC
AGCI
RFO
RFN
GND
RFDC
TEO
TEN
TEBC
SEL
LDO
MDI
TN1
TPI
FPI
FPI
FNI
VCC
HEAD AMP.
IC802
TA2157F
SERVO/SIGNAL CONTROL
IC801
TC94A14F
DOUT
TERMINAL
PWB
AVSS
DVSS
DVSS
TESIN
XVSS
DVSL
TMAX
RFI
RFCT
LPFN
LPFO
PVREF
VREF
X801
16.93MHz
XO
XI
DVDD
PDO
AVDD
DVDD
VDD
XVDD
AVDD
SEL
RFGC
TEBC
FOO
TRO
TEI
TEZI
RFRP
FEI
SBAD
SWITCHING
R-CH
L-CH
SO401
VIDEO/AUX
INPUT
+B1
FROM
DISPLAY PWB
FOCUS/
TRACKING/
SPIN/SLED
DRIVER
1
2
3
4
5
6
7
8
9
4
10
11
12
13
16 26 27 19
21 22 23 24 25 17 18 28
PO1–
PO1+
VO4+
VO4–
VIN3
VG3
VCC
VCC
BIAS
VG4
VIN4
VO3+
VO3–
OPO
VO2-
VO2+
VIN2
VG2
GND
GND
GND
MUTE
REG O
TRB
VG1
VIN1
VO1+
VO1–
IC803
MM1469PH
SPINDLE
MOTOR
SLED
MOTOR
PICKUP IN
SP+
SP–
SL+
SL–
PU-IN
GND
FO
TR
+
–
–
+
M
M
CD MOTOR PWB
M701
M702
SW702
7.3V
3.3V
+B1
+B6
+B2
+B4
+B5
+B6
+B5
A
C
B
F
E
+B6
+B5
+B5
+B6
LD
MON
FOCUS COIL
1/2V
5V
TRACKING COIL
CD PICKUP UN
23
24
22
21
20
19
18
17
14
26
24
20
19
18
16
35
38
36
37
33
34
31
32
29
28
30
16
15
13
12
11
10
9
8
7
6
5
4
3
2
1
DIGITAL
OUT
3
2
1
J801
40
41
FMO
DMO
63
57
62
61
60
59
58
46
47
BUS0
51 DVDD
BUS1
BUS2
BUS3
BUCK
CCE
RST
53
50
RO
LO
6
15
25
39
43
48
64
7 22 42 44 45
54
A_GND
GND
GND
M_GND
+B4
VOLTAGE
REGULATOR
ZD801
Q808
Q809
Q810
ZD802
Q809
Q810
ZD802
10 9 8 7 6 5 4 3 2 1
GVSW
PU_IN
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
CD_RES
CD_STB
3
2
1
2
3
1
CD_L
A_GND
A
CD_R
CD_L
CD_R
14 13 12
2
3
4
5
6
7
8
9
10
11
A_GND
TUN
R
TUN L
D_GND
A_12V
RDS CLK
RDS DATA
DO
FM ST
SD
DI
CL
CE
VSM
FROM
TUNER PWB
CNP704
CNW803
CNP803
CNP301
CD PWB
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