Sharp CD-XP500 Service Manual page 29

01
PLAY
9 8 7 6 5 4 3 2 1
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97
S11
S12
–20dBATT
VLOAD
1
VDD
S13 SUB-CE/DSA_STB
S14
S15
S16 REC/PLAY
CD RESOUT
DIST3/S17
DIST2/S18
DIST1/S19
DIST0/S20
S21
DIST
STOP LED IC701
REV_PLY_LED
IX0524AW
FOR_PLY_LED
SYSTEM
MICROCOMPUTER
ILU_LED1
RDS READY/ESS DO
RDS RDCL/ESS DI
RDS RDDA/ESS STB
T2_PLAY SW/
28
RDS RST/ESS ACK
FPA/FPB SW
PROTECT
MPEG POWER 52 T1 RUN 29
51 T2 RUN 30 LVL_DET
DISC NO SW V_ONLY
KARAOKE LATCH
DISC_NO SW/
MIC SW
DSA DATA
O/C_SW
50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31
+B
+B
R765
R780
4.7K
10K
+B
R775
R761
10K
10K
R776
R768
10K
10K
LED701
SLR342VCJ
R767
JOG701
10K
JOG VOLUME
R766
10K
VER
7
R795
1.5
C701
1/50
C703
C702
0.022
220/10
98 99 100
+B
1
R763 1K
2
3
R702 1K
T-BIAS 4
R703 1K
T_T1/T2
5
R704 1K
6
R705 1K
7
R706 1K
WRQ
8
SPAN
9
R708 1K
RESET
10
C704
X2
11
15P
C705
X1
12
18P
XL701
VPP/IC
13
4.194304 MHz
XT2 14
R769 1K
DRF
15
VDD
16
R709 1K
CD CLK
17
R710 1K
CD DI
18
R711 1K
CD DO 19
R712 1K
CD CE 20
R713 1K
CE
21
R714 1K
CLK
22
R715 1K
DI
23
R716 1K
DO
24
AVSS 25
26
R717
TUN SM 27
100
DSA_ACK
28
R739
29
1K
30
C720
0.022
R759
5.6K
R809
47K
R773
10K
D716
+B
DS1SS133
+B
KEY 2
KEY 1
KEY 0
8
Figure 29 SCHEMATIC DIAGRAM (8/10)
+B
5V BACK UP
+B
+B
RD19
RD20 RD21
680 820
1K
SW723
DISC SKIP
RD10 RD11 RD12
680 820 1K
SW711 SW712 SW713
CD TUNER TAPE
(BAND)
RD01 RD02
680 820
SW702 SW703
SW701
FAST REWIND/ FAST FORWARD/
POWER
PRESET DOWN PRESET UP
9 10
– 29 –
CD-XP500/CD-XP5500
HEADPHONES
PWB-B2
+B
M_+13V 1
2
SP_RLY
3
R-CH
4
GND
5
L-CH
CNP705
FM SIGNAL
+B
D712
DS1SS133
UN_SW5V
D713
DS1SS133
+B
L701
100µH
RX701
D714
REMOTE
DS1SS133
SENSOR
RESET
R781
Q709
47K
KRC102 M
2 3
1 2 3
C715
R782
1
0.01
100K
RD22 RD23 RD24 RD25 RD26
1.5K 2.2K 2.7K 3.9K 5.6K
SW724
SW725 SW726
OPEN/CLOSE EQUALIZER X-BASS/DEMO
RD13 RD14
RD15 RD16 RD17
1.5K 2.2K
2.7K 3.9K 5.6K
SW715 SW716 SW717
SW714 SW718
TIMER/ TUNING/ REC
VIDEO/ MEMORY/
SLEEP TIME UP PAUSE TIME DOWN
AUX SET
RD04
RD03
1K 1.5K
SW704 SW705
STOP PLAY/
REPEAT
11
JK701
HEADPHONES
DISC_NO SW
10 10
O/C_SW
9 9
CLAMP SW
8 8
RES OUT
7 7
CD CLK
6 6
CD DI
5 5
CD DO
4 4
CD CE
3 3
DRF
2 2
WRQ(DSP)
1 1
VF2
1
1
–VF
2
2
P_IN
3 3
VF1
4 4
UNSW5.6
5 5
CNS705
+B
+B
R783
100
+B
C717
47/25
RD18
10K
SW719
SW720
TUNING/
CLOCK
12