Sharp CD-BA180 Manuale di servizio - Pagina 21

Sfoglia online o scarica il pdf Manuale di servizio per Impianto stereo Sharp CD-BA180. Sharp CD-BA180 44. Mini component system

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9 8 7 6 3 2 1
24 23 16 15 14 13 12 11 10
94
84
85
86
87
88
89
90
91
92
93
95
96
97
98
99
VDD
P37
S-BUSY
T-BIAS
T_T1/T2
REC/PLAY
RES OUT
DRF
WRQ
RESET
IC701
IX0328AW
VPP/IC
SYSTEM
XT2
CD INT
MICROCOMPUTER
VDD
CD CLK
CD DI
CD DO
CD CE
CLK
SW OUT
LATCH
AVSS
M-BUSY/TUN SM
_B
_A
P
47 46 45 44 43 42 41
40
39 38 37 36 35 34 33 32 31
9
+B
+B
LED722
4204SRT7
R670
10K
R671
10K
R672
10K
660
10K
+B
+B
7
100
+B
1
2
3
R678
1K
4
R679
1K
5
R680
1K
6
R681
1K
7
R682
1K
8
R683
1K
9
R684
1K
C622
10
15P(CH)
XL701
X2
11
4.1943MHz
X1
12
C623
13
18P(CH)
14
R685
1K
15
+B
16
R686
1K
17
R687
1K
18
R688
1K
19
R689
1K
20
R690
1K
CE
21
R691
1K
22
R692
1K
DI
23
R693
1K
DO
24
25
R694
1K
26
NO USE
27
SPEANA2
28
SPEANA1
29
SPEANA0
30
R676
+B
4.7K
R666
1K
+B
–B
+B
+B
8
Figure 21 SCHEMATIC DIAGRAM (10/10)
+B
+B
L601
D617
100µH
DS1SS133
+B
R699
R703
R706
R697
820
1K
1.5K
680
SW616
SW617
SW618
SW619
CD
TAPE
TUNING
MEMORY/
DOWN
SET
R698
R701
R695
R707
680
820
1K
1.5K
SW612
SW613
SW611
X-BASS/
EQUALIZER
DIMMER
DEMO
R700
R702
R696
R705
820
1K
680
1.5K
SW603
SW602
SW601
TIMER/
CLOCK
POWER
SLEEP
9
10
– 21 –
CD INT
1
WRQ(DSP)
2
DRF
3
CD CE
4
CD DO
5
CD DI
6
CD CLK
7
RES OUT
8
CLAMP SW
9
GND
10
BI701
23
CE
22
DO
21
DI
20
CLK
19
T_BIAS
18
T_T1/T2
17
REC/PLAY
16
SPA_SIG
15
SMUTE
14
VF1
13
-VP
12
VF2
11
SP_RLY
10
+B
M_10V
9
–B
-15V
8
D_GND
7
+B
+5V
6
A_GND
5
UN_SW 5V
4
AC_RLY CONT
3
SP_DET
2
M_GND
1
CNP702
+B
–B
R716
4.7K
IC704
5V BACK UP
KIA7042AP
RESET
5.9V
R704
Q609
3
1
C628
47K
KRC102 M
5.9V
3.3/50
REMOTE SENSOR
2
0V
4.8V
0V
2
3
0V
1
C630
C629
10/50
0.022
D618
DS1SS133
R718
R709
R712
R714
R719
2.2K
2.7K
5.6K
3.9K
10K
SW621
SW623
SW620
SW622
PRESET
STOP
PRESET
PLAY/
UP
DOWN
REPEAT
SW615
SW614
VOLUME
VOLUME
DOWN
UP
R720
R710
R715
R713
R717
100K
2.2K
2.7K
3.9K
68K
SW609
SW610
OPEN/
DISC
SKIP
CLOSE
11
CD-BA180
1
2
3
P13 12 - F
TO
4
CD SERVO PWB
5
CNP12
6
7
8
9
10
CNS701
FC701
23
P15 12 - E
CNP401
TO MAIN PWB
1
+B
D620
DS1SS133
+B
D621
DS1SS133
RX701 N63H380A
R723
100
1
2 3
C631
C632
0.022
47/25
R721
R722
R724
18K
33K
100K
SW628
SW626
TUNER
SW625
SW627
TUNING
VIDEO/
(BAND)
REC/
/TIME UP
PAUSE
AUX
12