Sharp CD-BK260V Service Manual Page 29
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CD-BK260V/CD-BK2700V/CD-BK280V
Figure 29 SCHEMATIC DIAGRAM (8/13)
7
8 9 10 11 12
5V BACK UP
2
1
3
P09
P08
P07
P06
P05
P04
P03
P02
P01
G01
G02
G03
G04
G05
G06
G07
G08
G09
G10
G11
F
F
F
31 30 29 28 27 26 25 24 23 16 15 14 13 12 11 10
9876
321
GND
WRQ(DSP)
CLAMP SW
DSA_ACK
DSA_STB
DSA_DATA
MPEG_POWER
ESS_DO
ESS_DI
ESS_STB
ESS_ACK
CD DO
CD DI
CD CE
CD CLK
DRF
RES OUT
P31 12 - E
TO CD VIDEO PWB
P33 12 - B
TO CD VIDEO PWB
987654321
87654321
87654321
100
99
98
97
96
95
9493
92
91
90
89
88
87
86
85
8483
82
81
11
10
9
8
7
6
5
4
3
2
1
T-BIAS
T_T1/T2
X2
RESET
WRQ
P1
P2
P3
P4
P5
P11
P12
P13
P14
DSA_STB
REC/PLAY
RES OUT
G11
G10
G9
G8
G7
G6
G5
G4
G3
G2
G1
VDD
-20dB
DRF
P6
P7
P8
P9
VLOAD
P15
P16
P17
P18
P19/DIST0
LCK 0
KARAOKE LATCH
FPB
MIC SW
MPEG_POW
DISTOUT/SW OUT
ESS_DO
ESS_DI
ESS_STB
ESS_ACK
P22/DIST3
P21/DIST2
P20/DIST1
NO USE
25
24
23
22
21
20
19
18
17
16
15
14
13
12
VDD
X1
CD CE
CD DI
SPAN
CE
Vpp/IC
CD CLK
CD DO
CLK
DI
DO
AVSS
XT2
P-IN
VF1
VF2
–VP
SMUTE
SP_RLY
A_GND
–15V
SW_5V
SP_DET
M_GND
SPA_SIG
–20dB
M_+12V
22
20
21
13
14
15
17
23
24
32
19
16
18
30
28
29
25
31
32
27
26
11
12
10
D_GND
T_T1/T2
T_BIAS
DI
CE
CLK
DO
TUN SM
SPAN
MIC IN
ESS_STB
ESS_ACK
ESS_DO
ESS_DI
SW OUT
1
1
2
3
4
9
8
7
6
5
30
29
28
27
26
O/C SW/
DSA DATA
TUN SM
DSA_ACK
SPEANA2
AVDD
KEY 2
KEY 1
KEY 0
P_IN
REMOCON
VSS
SMUTE
T_SOL_A
T_MOTOR
T_SOL_B
AVref
JOG 0
JOG 1
44 43 42 41 40 39 38 37 36 35 34 33 32 31
TIMER LED
VDD
AC RLY_CONT
SPK
_
DET
SP
_
RLY
50 49 48 47 46 45
PLAY SW_B
CD CLAMP
SW
FPA
N
NO USE
321
CNP701
P23 12 - D
TO MAIN PWB
FFC701
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
-B
+B
+B
+B
+B
+B
+B
+B
+B
+B
-B-B
-B
RESET
UN_SW 5V
REC/PLAY
KARAOKE LATCH
+B
+B
987654321
R725
1K
R771
10K
R786
10K
CNS701
RD07
3.9K
RD06
2.7K
RD05
2.2K
RD04
1.5K
RD03
1K
RD30
5.6K
RD16
3.9K
SW717
VOLUME
UP
SW718
VOLUME
DOWN
SW719
REVERSE
MODE
RD17
180K
D711
DS1SS133
R774
10K
R787
10K
R773 1K
R701 100
D713
DS1SS133
C714
3.3/50
R782
100K
D715
DS1SS133
Q709
KRC102 M
C702
220/10
C703
0.022
C701
1/50
R781
47K
C715
0.01
R765
4.7K
R718
1K
R719
1K
R720
1K
R721
1K
R724
1K
R726
2.2K
R727
2.2K
R728
2.2K
R729
1K
R732
1K
R733
1K
3
4
K
LED701
SLR342 VCJ 1
R761
10K
IC701
IX0411AW
SYSTEM
MICROCOMPUTER
D712
DS1SS133
L701
100µH
D714
DS1SS133
C716
0.022
RX701
REMOTE
SENSOR
R766
10K
R768
10K
R767
10K
BI701
CNP12 CNP1
CNS701
BI702
CNS702
R783
100
C717
47/50
SW727
STOP
RD01
680
SW701
ON/
STAND-BY
RD02
820
SW702
CLOCK
SW703
TIMER
SLEEP
SW704
KARAOKE
MODE
SW705
P. B. C
SW706
OSD
SW707
DIGEST
RD09
10K
RD08
5.6K
SW732
TUNER
RD29
100K
SW731
VIDEO/
AUX
RD28
33K
SW730
TUNING
UP
RD27
18K
SW716
EQUALIZER
RD14
820
SW715
X-BASS/
DEMO
RD13
680
SW725
FAST
FORWARD
RD21
1.5K
SW726
PLAY
RD23
2.7K
SW723
MEMORY/
SET
RD26
10K
SW724
FAST
REWIND
RD25
5.6K
RD22
2.2K
RD24
3.9K
SW712
DISC
SKIP
RD10
18K
RD12
100K
SW713
OPEN/
CLOSE
RD11
33K
RD15
1.8K
A
Y
C705
18P
R710 1K
R711 1K
R712 1K
R713 1K
R714 1K
R715 1K
R716 1K
R707 1K
R702 1K
R703 1K
R717 100
R737 100
R706 1K
SW729
REC/
PAUSE
SW728
REVERSE
PLAY
RD20
1K
RD19
820
RD18
680
SW720
CD
SW721
TAPE
SW722
TUNING
DOWN
SW714
DIMMER
R705 1K
R708 1K
R704 1K
R709 1K
R769 1K
XL700
4.194304 MHz
C704
15P
SPEANA0
SPEANA1
- SERVICE MANUAL 1
- VOLTAGE SELECTION 2
- SPECIFICATIONS 3
- Front panel 4
- Rear panel 5
- Speaker system 5
- Remote control 6
- Setting the Clock 7
- Remote Control 8
- Lock Lever 10
- CD Player Unit 10
- (Bottom View) 10
- TAPE MECHANISM SECTION 12
- ADJUSTMENT 13
- CD ERROR CODE DESCRIPTION 14
- CD SECTION 14
- TUNER SECTION 14
- C D T E S T 15
- VIDEO CD SECTION 16
- TV monitor 17
- NOTES ON SCHEMATIC DIAGRAM 18
- TYPES OF TRANSISTOR AND LED 18
- LC78636E 19
- SERVO/SIGNAL 19
- IX0411AW 21
- MAIN PWB-A1(1/3) 22
- 8 9 10 11 12 23
- KIA7810AP 24
- MAIN PWB-A1 (2/3) 25
- POWER PWB-A2 25
- FM SIGNAL 25
- MAIN PWB-A1(3/3) 26
- DISPLAY PWB-B1 28
- CD VIDEO PWB-C (1/2) 30
- CD SIGNAL 31
- CD VIDEO PWB-C (2/2) 32
- VIDEO OUT SIGNAL 33
- MIC PWB-G1 34
- SURROUN SPEAKER PWB-G2 36
- VIDEO OUT PWB-B3 40
- CD VIDEO PWB-C (TOP VIEW) 40
- SPINDLE MOTOR 42
- SLED MOTOR 42
- WAVEFORMS OF CD CIRCUIT 44
- TROUBLE SHOOTING 45
- FUNCTION TABLE OF IC 49
- M63001FP 50
- Row and column address buffer 54
- Figure 56 BLOCK DIAGRAM OF IC 56
- Figure 57 BLOCK DIAGRAM OF IC 57
- MAIN LOGIC 59
- FL DISPLAY 60
- CD-BK260V 61
- CD-BK2700V 61
- CD-BK280V 61
- DESCRIPTION 62
- PARTS CODE 62
- NO. PARTS CODE 62
- DESCRIPTIONPARTS CODE 63
- RESISTORS 64
- OTHER CIRCUITRY PARTS 66
- CD MECHANISM PARTS 67
- CABINET PARTS 67
- ACCESSORIES/PACKING PARTS 68
- OTHER SERVICE PART 68
- SPEAKER BOX PARTS 69
- PACKING PARTS 69
- MECHANISM 72
- CP-BA260/CP-BK2700/CP-BK270 73
- –– MEMO –– 75
- ALL RIGHTS RESERVED 76
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