Adjustment; Block Diagram - Sharp XL-1200 Service Manual

XL-1200/1200C
FROM
DISPLAY PWB
1 2 3 4 5 6
CNP702
Q802
1 9 5
IC805
TA7291S
CD LID
2 3
MOTOR DRIVER
55 53
90 BUS0
91 BUS1
92 BUS2
93 BUS3
96 BUCK
97 /CCE
100 /RST
TC9462F
SERVO/SIGNAL CONTROL
X801
XI
78
16.93MHz
79 XO
14
+B7 VDD
23
VDD
39
AVDD
62
VDD
76 VDD
80 XVDD
94 VDD
36 6 15 24
D_GND
7 8 9 10 11 12 13 14 15
Q901
Q908
8
6 7
CD_6R2V
5V
+B7 Q861
4 3 2 1
13 12 11 10 9 8 7 6 5
MM1469XH
FOCUS/TRACKING/
SPIN/SLED DRIVER
16 17 18 19 21 22 23 24 25 26 27 28
DOUT 9
RO 82
LO 85
IC802
57
SEL
56
2VREF
TEBC 52
RFGC 51
VREF 50
TRO
49
FOO 48
TEZI 47
TEI 46
TSIN 45
SBAD 44
FEI 43
RFRP 42
RFCT
40
RFI 38
VCOREV 34
33
PVREV
LPFO 32
LPFN 31
30
TMAX
28
PDO
P2VREF
25
63 71 72 73 74 77 95 81 86
A_GND
M_GND
Figure 10 BLOCK DIAGRAM (1/4)
LED PWB
D801
Q902
M_GND
SWITCH PWB
+B4
Q907
SW802
CD LID
OPEN/CLOSE
M_GND
CD LID
OPEN/CLOSE
MOTOR
+B2
SP+
SP–
SP+
SL–
PU-IN
GND
M_GND
IC804
CD MOTOR PWB
FO
TR
TEO
13 SBAD 12
14 FEO TEN 11
FEN 2VRO
15 10
TEB
16 VRO 9
SEL
RFRP 8
17
LDO
RFIS 7
18
MDI
19 RFGO 6
TN1
RFGC 5
20
AGCI TPI 4
21
RFO FPI
22 3
FNI
23 GND 2
VCC
24 RFN 1
IC801
D_GND
TA2109F
SERVO PRE AMP.
– 10 –
11 10
CNP307
SUB
WOOFER
OUT
R-CH
M801
SO401
VIDEO/AUX
INPUT
L-CH
M
NM802
SPINDLE
MOTOR
+
M
–
+
NM801
M
SLED
– MOTOR
1
J801 2
DIGITAL
3
OUT
NSW801
PICKUP IN
TERMINAL
PWB
CD PICKUP UN
+B7
SWITCHING
Q801
E
F
B
A
+B7
C
1/2V
+B7
5V
TO
TUNER PWB
9 8 7 6 5 4 3 2
+B
FOCUS COIL
TRACKING COIL
LD
MON