Sharp XL 1700 Service Manual - Page 23

Schematic Diagram 2/8

Get Sharp XL 1700 - Executive Microsystem PDF manuals and user guides
UPC - 074000412644
View all Sharp XL 1700 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 23 highlights

7 R360 4.7K 11 R359 1.8K 1.7V (11.4V) 3.7V (0V) 3.9V 3.5V (0V) 8 9 10 6 7 R393 1K R377 5.6K L351 100µH 18 17 16 15 14 13 12 DO PD FM VDD FM IN MUTE AM IN FM MO/ST R379 2.2K 5.2V 2.6V (0V) 0V (2.6V) C385 0.01 C380 10/16 C387 0.022 IF IN IF REQ 0V C386 330P R365 10K R395 47K R387 5.6K R391 390 C395 0.022 R392 390 11.7V R383 5.6K R385 5.6K R384 6.8K 10.9V C391 47/16 C396 100/10 C383 0.022 ZD351 DZ5.1BSB L352 100µH 18 2.3V 5 6 GND CUT C365 0.022 17 16 15 14 13 C353 FM/AM 0.022 SD OUT 5V C354 0.022 5V STEREO C367 1/50 R350 2.7K 7 8 CF351 R353 FM DET X351 FM IF 270 2.9V (4.3V) MPX VCO 2.3V456kHz C399 0.047 VCC (0V) 9 C355 220P C370 C398 C356 100/10 0.001 3.8V (1.9V) 10 11 5V 0V MPX IN 2.1V C368 1/50 R356 1K IF OUT C369 PHASE R-CH OUT 1.3V 56P L-CH 1.3V C371 C357 2.2/50 1/50 OUT 1/50 C372 C358 1/50 1/50 R376 10K 12 PHASE MO/ST R355 3.3K 3.8V (1.2V) (AM/FM) 4V C366 0.001 R357 470K C374 0.022 C373 0.022 R364 3.3K (2.2V) 4.7V R361 (0V) 2 5.6K R362 5.6K R363 3.3K 1 3 R366 2.2K Q351 KRC104 M 8 Q360 KTA1266 GR 10.8V D308 1N4148 9 Figure 23 SCHEMATIC DIAGRAM (2/8) - 23 - 10 XL-1700/1700C AM SIGNAL FM SIGNAL SD 11 FM ST 10 DO 9 CL 8 DI 7 CE 6 D_GND 5 A_12V 4 TUN_L 3 A_GND 2 TUN_R 1 CNS301 11 TO CNP301 MAIN PWB-A1 P28 5-A 12

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
– 23 –
XL-1700/1700C
7
8
9
10
11
12
Figure 23 SCHEMATIC DIAGRAM (2/8)
(0V)
4.7V
1.3V
1.3V
4V
(2.2V)
2.3V
(1.2V)
3.8V
(1.9V)
3.8V
(4.3V)
2.9V
0V
5V
5V
5V
5.2V
(0V)
2.6V
(2.6V)
0V
10.9V
10.8V
11.7V
3.9V
(0V)
(0V)
3.5V
3.7V
(11.4V)
1.7V
0V
(0V)
2.3V
2.1V
18
17 16 15
14 13 12
6
7
8
9 10
11
5
6
7
8
9
10 11
12
13
14
15
16
17
18
11
10
9
8
7
6
5
4
3
2
1
PD
FM
FM
MUTE
(AM/FM)
PHASE
PHASE
IF
OUT
VCC
FM
DET
STEREO
SD
GND
OUT
OUT
OUT
CUT
FM/AM
MPX
VCO
MPX
IN
MO/ST
L-CH
R-CH
DO
MO/ST
IF
REQ
IF
IN
AM
IN
FM
IN
VDD
SD
FM
ST
DO
CL
CE
DI
A_12V
D_GND
TUN_L
TUN_R
A_GND
AM SIGNAL
FM SIGNAL
1
2
3
CNP301
P28
5-A
TO
MAIN PWB-A1
FM IF
0.022
0.001
2.7K
456kHz
1/50
56P
1/50
1K
470K
0.022
0.022
3.3K
3.3K
KRC104 M
5.6K
5.6K
1/50
1/50
2.2K
1/50
3.3K
2.2/50
0.001
100/10
0.047
270
0.022
0.022
0.022
2.2K
0.01
100
μ
H
5.6K
1K
330P
47K
220P
1/50
10K
DZ5.1BSB
100
μ
H
100/10
0.022
390
0.022
390
5.6K
KTA1266 GR
5.6K
5.6K
6.8K
47/16
1N4148
10K
4.7K
1.8K
10/16
C365
C366
X351
R350
C367
C369
C368
R356
R357
C374
C373
R364
R363
Q351
R362
R361
C371
C372
R366
C358
R355
C357
C356
C398
C399
CF351
R353
C354
C353
C387
R379
C385
L351
R377
R393
C386
R395
C355
C370
R376
ZD351
L352
C396
C383
R387
R391
C395
R392
Q360
R383
R385
R384
C391
D308
R365
R360
R359
CNS301
C380