Sharp CD-ES770, Service Manual

Page: 9 / 14

CD-ES770
– 9 –
7
8 9 10 11 12
Figure 9 SCHEMATIC DIAGRAM (7/7)
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
220/10
1/50
1.5
1K
1K
10K
1K 1K 1K
10K
10K
10K
1K
1K
1K
1K
18P(CH)
10K
1N4148H
1N4148H
100
KRC102 S
820
1K
0.047
1K
1K
1K
1K
1K
1N4148H
0.022
1K
1K
1K
1K
1K
1K
1K
1K
1K
3.9K
2.7K
2.7K
2.2K
2.2K 1.5K
3.3/50
47/25
1K
15P(CH)
100K
1N4148H
0.01
304VT2H3
1N4148H
47K
1K
0.022
1K
1K
820 680 10K 5.6K
10K
KRC104 S
R785 2.7K
5.6K
15K
10K
680 680
2.2K
4.7K
560
820
680
680
10K
10K
100
µ
H
10K
1.5K
1.5K
1K
1K
1K
2 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
9 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31
1 2 3
SW
F1 NX NP
STOP
PLAY/
REPEAT
PLAY
DIRECT
CLOCK/
TIMER
X-BASS/
DEMO
FAST REWIND/
PRESET DOWN FAST FORAWRD/
PRESET UP
G11 G10
LED
TIMER
LED
T_RUN PULS
CD_WRQ
DISC 5 DISC 3 DISC 2 DISC 1
DISC 4
TAPE
SP_RLY
AC_RLY
T_FP SW
CTR
AC RELAY
GAME/
VIDEO
SW1
CD_DRF
VF2
-VF
VF1
P_IN
UNSW5.6
CLK
2),S18
3),S17
0),S20
_SW
T_MOTOR
DOWN
TUNING
UP
KEY 0
KEY 1
KEY 2
1),S19
PHOTO
PROTECT
SW2
P SW
NX NX NX NX NX NP
5V BACK UP
T_BIAS
VDD
XIN
XOUT
AVDD
RESET
CE
DI
G10 G11
S1 S2 S3
CD_CE
VOL_JOG
T_T1/T2
T_REC/PLAY
VPP/IC
DO
CD_CLK
CD_DI
CD_DO
AVSS
TUN_SM(SPAN)
KEY
2
KEY
1
KEY
0
P_IN REMOCON VSS S
MUTE
T_SOL_B
T_SOL_A VDD
G9 G8 G7 G6 G5 G4 G3 G2 G1
VDD
P07 P06 P05 P04 P03 P02 P01 G01 G02 G03 G04 G05 G06 G07 G08 G09 F1
POWER
ON/STAND-BY
EQUALIZER
CD
TUNING
CD_WRQ
-20dBATT
AVREF
CD_DRF
CD_RESOUT
CLOSE
OPEN/
TUNER
(BAND)
S4 S5 S6 S7
D
SP
DET
CD_RESOUT
MEMORY/
SET
REC/
PAUSE
8 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
1
1
2
3
4
5
7
8
6
9
10
11
12
13
14
14
CNP802
P6-15
7-G
TO
POWER
AMP.
PWB
CNP5
P6-9
12-B
TO
CD
SERVO
PWB
1
6
CD DO
CD DI
CD CLK
CD CE
CLAMP SW
DISC SW
TRAY SW1
TRAY SW2
GND
PHOTO
+5V
OLUME
1
2 3
1
2
3
R795
C701
R725 R724 R733 R736 R721
R720
R719
R718
R722
R723
R731
R728 R727 R726 R729
C720
R791
WTM705
FW705
D712
D711
R773
L701
D713
D714
R783
Q709
RESET
C714
RX701
REMOTE SENSOR
C717
R782
D715
R781
C715
R593
R761
R771
R780
C710
OG701
R767
R766
RD29 RD28 RD27 RD26 RD24 RD23 RD25 RD31 RD30 RD32
SW728 SW729 SW731 SW730 SW727 SW725 SW726 SW734 SW733 SW732 SW735
RD12 RD11 RD14 RD13
SW716 SW713 SW712 SW715 SW714
RD06 RD05 RD02 RD01 RD04 RD03
SW707 SW706 SW705 SW704 SW702 SW701 SW703
CNP704
FL701
FL DISPLAY
C702
R704
R701
R702
R703
R705
R763
IC701
IXA020AW
SYSTEM
MICROCOMPUTER
C705
R709
C721
R708
C704
R769
XL701
4.19 MHz
R710
R711
R713
R715
R716
R712
R714
Q713
R573
R739
R717
R759
R768
LED701
FFC704
+B +B
+B
+B
+B
+B +B
+B
+B
+B
+B