Sharp CD-XP300 - Compact Stereo System Service Manual page 29

9 8 7 6 5 4 3 2 1
12 11 10
C701
1/50
93 94 95 96 97 98 99
100
1
R763 1K
2
3
VDD 1
R702 1K
T-BIAS 4
0dBATT 2
R703 1K
T_T1/T2 5
R704 1K
REC/PLAY 6
R705 1K
CD RESOUT
7
R706 1K
WRQ
8
SPAN
9
R708 1K
RESET
10
C704
X2
11 15P
X1 C705
12
18P
XL700
VPP/IC
13
1
4.194304 MHz
14
AW
DRF
15
EM
R769 1K
VDD
16
PUTER
R709 1K
CD CLK
17
R710 1K
CD DI
18
R711 1K
CD DO 19
R712 1K
CD CE
20
R713 1K
CE
21
AY SW/
28
R714 1K
CLK
PB SW
22
R715 1K
ROTECT 29
DI
23
VL_DET
30 R716 1K
DO
24
AVSS
25
R717 100
DISC_NO SW/
26
DSA DATA
27
R739 1K
28
29
30
38 37 36 35 34 33 32 31
R759
5.6K
R773
10K
R761
10K
KEY 2
R768
701
10K
42VCJ
KEY 1
R767
10K
KEY 0
R766
10K
7
R795
1.5
+B
+B
R791
4.7K
+B
5V BACK UP
+B
+B
RD19
680
SW721
VOLUME UP
SW711
RD01
680
SW701
POWER
8 9
Figure 29 SCHEMATIC DIAGRAM (8/10)
UN_SW5V
L701
+B
100 H
+B
D714
DS1SS133
RESET
R781
Q709
47K
KRC102 M
2 3
C715
1
0.01
+B
RD20 RD21 RD22 RD23
820 1K 1.5K 2.2K
SW723 SW724
SW722 SW725
DISC OPEN/
VOLUME EQUALIZER/
DOWN SKIP CLOSE X-BASS/DEMO
RD10 RD11 RD12 RD13 RD14 RD15
820
680 1K 1.5K 2.2K 2.7K
SW712 SW715 SW716
SW713 SW714
TUNER
TAPE VIDEO/ TIMER/ TUNING/
CD
(BAND) AUX SLEEP TIME UP
RD02 RD03 RD04
820 1.5K
1K
SW705
SW704
SW702 SW703
PLAY/
FAST REWIND/ FAST FORWARD/ STOP
REPEAT
PRESET DOWN PRESET UP
10
– 29 –
CD-XP300/CD-XP3300
HEADPHONES
PWB-B2
+B
1
M_+13V
P27 12 - B
SP_RLY 2
FW803 R-CH
3
FROM MAIN PWB GND 4
L-CH 5
CNP705
FM SIGNAL
DISC_NO SW
O/C_SW
CLAMP SW
RES OUT
CD CLK
CD DI
CD DO
CD CE
DRF
WRQ(DSP)
P_IN
AC_RLY
D713
DS1SS133
RX701
REMOTE
SENSOR
R783
100
1 2 3
C717
47/25
RD16 RD17 RD18
5.6K 10K
3.9K
SW717 SW718 SW719 SW720
REC MEMORY/
TUNING/ CLOCK
PAUSE SET TIME DOWN
11
JK701
HEADPHONES
10 10
9 9
8 8
7 7
6 6
5 5
4 4
3 3
2 2
1 1
VF2
1 1
-VF
2 2
3 3
VF1
4 4
5 5
12