Read Sharp AM-300 (serv.man4) Service Manual online
AM-300DE
6 – 8
8. Optical Unit (LSU) Control Block (7/10)
Optical
Unit
(LSU)
Control
Block
7/10
NOTE:
This
mark
indicates
a
safety-critical
part(s).
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
I
I
6
6
5
5
4
4
3
3
2
2
1
1
DG
DG
DG
MG
+5V
DG
+5V
DG
MG
+5V
DG
+5V
DG
+5V
MG
DG
+5V
+5V
DG
MG
DG
DG
INT5V
DG
+5V
DG
+5V
DG
DG
+5V
+5V
+5V
DG
+5V
DG
+24V
DG
DG
INT5V
+24V
DG
DG
DG
+5V
DG
DG
+5V
DG
+5V
DG
DG
INT5V
MG
DG
INT5V
/PMRDY
PMCLK
/LASERON
LDEN
PMD
PMD
APC_AUTO
SYN_LON
MPDATA
/MSYNC
/MSYNC
/MSYNC
SAMPON
R279
100
12
13
11
14
7
IC24D
74LV08APW
C278
N.M.
4
5
6
14
7
IC24B
74LV08APW
R293
100
R278
100
C277
N.M.
R433 1K
1
6
IC27A
74LV1GW14ASCE
C208 33P
C276
N.M.
C213 33P
C211 33P
R281 10K
R287 10K
CLK
1
-READY
2
-START
3
GND
4
+24V
5
1
2
3
4
5
CNPM
A2001WV2-5PE
D
12
CLK
11
Q
9
Q
8
PR
10
CLR
13
IC26B
74AHC74PW
R284
100
R300 100
R285
MMZ1005Y102C
C203 0.1U
R299 N.M.
C204 0.1U
B
E
C
Q14
RT1N141C
R295 10K
R290 10K
11
10
14
7
IC25E
74LV06APW
C210 10P
R296
10
+
C206
10U/16V
R283 100
R
291
10K
9
10
8
14
7
IC23C
74LV32APW
C205 0.1U
R277 47(2W)
C209 100P
R282 10K
13
12
14
7
IC25F
74LV06APW
9
10
8
14
7
IC24C
74LV08APW
C215 0.1U
4
5
6
14
7
IC23B
74LV32APW
VCC
5
GND
2
IC27C
74LV1GW14ASCE
C207 0.1U
R297 100
98
14
7
IC25D
74LV06APW
1
2
3
14
7
IC24A
74LV08APW
R286
100
R280
27
R465
1K
B
E
C
Q15
RT1N141C
R294 100K
C214 0.1U
C280 N.M.
D
2
CLK
3
Q
5
Q
6
PR
4
CLR
1
IC26A
74AHC74PW
R292
100
C216 N.M. (1608)
DGND
1
-S/H
2
-VIDEO
3
-LDEN
4
DGND
5
+5V
6
DGND
7
-HSYNC
8
1
2
3
4
5
6
7
8
CNLSR
B8B-PH-K-S
C212 10P
3
4
IC27B
74LV1GW14ASCE
C279 N.M.
C202
0.1U/50V
(1608)
R289
100
A
K
D14
1SS355
R288
100
R301
33
R298
10
R302 10K
1
2
F5
KAB5002
251
NA29
VCC
14
GND
7
IC26C
74AHC74PW
Vout
3
GND
2
Vin
1
IC22
KIA7805API/P
1
2
3
14
7
IC23A
74LV32APW
(6-B4)
(6-B4)
(6-B4)(7-B2)
(6-B4)
(4-B1)(6-B6)(7-B2)(7-D3)
(6-F5)
(4-B1)(6-B6)(7-B4)(7-D3)
(6-B4)(7-B5)
(6-B4)
(4-B1)(6-B6)(7-B2)(7-B4)
(6-F5)
(6-B4)
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