Read Sharp XL-DV50 (serv.man2) Service Manual online
XL-DV50H
6 – 5
Figure 6-5 SCHEMATIC DIAGRAM (4/13)
6
7
8
9
10
11
12
3.7V
(0V)
3.5V
(0V)
10.9V
10.8V
11.7V
(0V)
2.6V
(2.6V)
0V
0V
4V
(2.2V)
(1.2V)
3.8V
2.5V
2.5V
5.1V
2.3V
0.6V
2.5V
5V
0V
0V
0V
0V
5.1V
2V
2.5V
1.3V
1.3V
5.1V
0V
5V
(1.9V)
3.8V
(4.3V)
2.9V
0V
5V
5V
5V
0V
5V
2.3V
0V
(0.9V)
2.3V
1.3V
2.1V
(0V)
1.3V
(0V)
4.7V
3.9V
10/16
12K
680
0.47/63
0
12K
0.0027
0.0027
0.47/63
680
0.47/63
(ML)
(ML)
3.9K
3.9K
0.47/63
18K
1K
1K
8.2K
22K
22/16
10
5.6K
100/16
0.27/63(ML)
0.047
22K
22K
10K
22K
0.27/63
(ML)
5.6K
47/25
1K
1K
1K
1K
1K
1/16
0.001
RDS_VSM
RDS_CLE
RDS_DATA
RDS_DATA
4.7K
47K
47K
4.7K
1/16
1/16
1/16
1K
0.022
0.022
10/16
0.022
0.022
0.01
5.6K
3.3K
2.2/50
1/50
0.022
0.001
1K
47K
100µH
1/50
22P
0.022
5.6K
100µH
0.022
0.022
0.022
0.1
22P
(CH)
(CH)
22P
(CH)
(CH)
47/16
1K
1K
10/16
330P
560P
0.1
KTC3199
GR
47K
56K
56K
10K
100/10
DZH05C2+
390
KRC104 M
330P
10K
LA1832S
1.8K
4.7K
6.8K
5.6K
10K
KTA1266 GR
1/50
1/50
0
390
270
47/16
0
0
470K
0
0.018
56P
0.018
0.001
LC72723M
RDS
FM
IF
2.2K
1/50
100/10
0.022
100/16
CHASSIS
GND
10
1/50
456KHz
1N4148
1K
1K
1K
LC75341M
IGNAL CONTROL
1K
1K
0.0027
1K
10/16
10/16
22K
10/16
22K
18K
10/16
0.0027
9
8
7
12
11
10
6
5
4
3
2
1
7
6
5
4
3
2
1
4
3
2
1
+7V
–
+
+
–
+
CE WOOF
CE
CE
WOOF
DI
D_GND
DVD
S
/W_CH
DVD/CD_L
A_GND
DVD/CD_R
RTRE
RIN
RSL0
R4
R3
R2
L1
L2
R1
L3
L4
LSL0
LIN
LTRE
TUN
L
CD L
CD R
TUN R
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
AUX L
AUX R
A_12V
TUN_L
TUN_R
CL
DO
FM
ST
SD
CD_A_GND
A_GND
L_CH
+12V
D_GND
S/W_CH
R_CH
FM
MUTE
(AM/FM)
PHASE
PHASE
IF
OUT
VCC
FM
DET
STEREO
SD
GND
AM
IF
OUT
OUT
OUT
IN
CUT
AM
LOW
FM/AM
MPX
V
CO
MPX
IN
MO/ST
L-CH
R-CH
MO/ST
IF
REQ
IF
IN
AM
IN
FM
IN
VDD
SD
FM ST
DO
CL
CL
CE
DI
A_12V
D_GND
TUN_L
TUN_R
5
6
7
8
1
3
4
12
11
10
9
8
7
6
9 18 17 16 15
14 13
14
15
16
13
17
18
19
4
5
6
7
8
9
10 11
12
3
12
13
15
16
7
8
9
10
11
14
5.6K
2
NJM4558D
BUFFER AMP.
BUFFER AMP.
2
6-6 2 - D
CNS302
FROM DISPLAY PWB
6-2 2 - B
CNS602
FROM MAIN PWB
6-13 12 - B
CNW1
FROM DVD PWB
TP302
FM
IF
DET./
FM
MPX./AM
IF
(ML)
(ML)
1
2
3
4
5
6
7
8
16 15 14 13 12 11 10
9
2.2µH
1N4148
456kHZ
RDS_VSM
RDS_CLE
RDS_DATA
LOW PASS
FILTER
FILTER
IC321
R359
R360
R365
R384
C391
C202
C201
R399
D308
Q360
C395
C379
C377
C359
C342
C340
C375
R396
R394
C333
C336
C339
C338
Q321
R390
R340
R398
R397
R392
R391
R383
R385
C385
C386
R377
R393
R395
L351
C383
R387
L352
C396
ZD351
R376
C370
C355
R355
C357
C358
C356
C398
C353
C354
CF351
C399
R353
R352
CF352
IC303
C367
R350
X351
C368
R356
R357
C374
C369
C371
C372
R361
R362
C373
R366
Q351
C384
C656
R681
C698
C697
R615
R611
C637
R682
R635
R620
R618
C606
C605
R667
C633
R684
R603
R602
R602
R636
R601
C602
CNP904
C638
R610
CNP602
CNP302
R687
C635
R659
C652
R661
C657
R662
R655
R663
IC602
C639
R658
C632
R651
R649
C640
C631
R688
R619
R621
R625
C601
R605
R629
R607
C610
C608
R666
R606
R628
C609
C607
R624
R604
R614
IC601
C364
C365
C366
L321
D321
X321
L354
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