Sharp CD-BK3200V Service Manual page 29

R94 10K
IC2
LC78636E
+B
SERVO SIGNAL
8
CONTROL
7
EFMO
80 79 78 77 76 75 74
R12
7
680
PD01
1
R13
680
PD02
2
VVSS
3
PLL
C81
VCEC
0.022
PCKIST
4
R11
12K
VVDD
5
R14
FR
R80
CONTROL
6
1M
1.2K HFL
7
SLCIST
8
SLICE
SLCO
9 LEVEL
K
EFMIN
CONTROL
10
C26
JITTV
JITER
0.047 11
DEFECT
JITTC
12 CONTROL SW
C27 0.1 BH
13
PH(RFENV)
14
AUTO
TP2 FE
ADJUST
15
TP3 TE
16
VREF
17
ADAVDD
18
C29
28
+
0.022
10
–
ADAVSS
19
PHREF
20
2 BHREF
21
TBLO
22 S/H
TDO
R44
23
FDO
1K
24
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
SPDO
1
R38
R39
270
470
R35
6
1K
IC3
M63001FP
FOCUS/TRACKING/
C90
70/16
SPIN/SLED DRIVER
C91
.047
• The numbers 1 to 13
7
C71 100P(CH)
3
C72 0.01
C73
100P
C75~C78
(CH)
100P(CH)
C75
C76
C77
R67
1K
C78
C80 0.1
VDD5V
73 72 71 70 69 68 67 66 65
COMMAND
GENERAL
INTERFACE
IC2
SUBCODE
LC78636E
DECODE
FRAME SYNC
CRC
DEFECT,PROTECT
EFM DECODE
CLV
SERVO
PROCESSEROR
GENERAL
ERROR AUDIO
CORRECT
OUT
FSX
TEST
C30
0.022
9
C31 100/10
+B
CAMA_A_B
CAMA_C_D
GND(D)
CAMA_E_B_A
+B
CAMA_B_T_A
TRAY_B_C
are waveform numbers shown in page 52.
8
Figure 29 SCHEMATIC DIAGRAM (2/12)
R71 1K DRF
R72 1K RES
R73 1K WRQ
R75 100 DO
R76 1K DI
R77 1K CL
R78 1K CE
+B
C44
0.022
+B
SBCK
64
PW
C45
63
100/10
SBSY
11
62
SFSY
61
12
16M
60
DATA
59
DATACK
58
LRSY
57
ASDFIN
56
10
ASDACK
55
ASLRCK
54
XVSS C85
53
8P(CH)
R20 220
52
XOUT
XL2
C86
16.934MHz
10P(CH)
XIN
51
XVDD
C34 0.022
50
C84
RVDD
49
0.047
RCHO
48
RVSS
47
LVSS
46
R118A
LCHO
2.2K
45
LVDD
44
MUTER
43
CE1
MUTEL
42
1/50
R113A
41
EMPH 2.2K
TP5
C83
0.047
Q4
KTC3203 Y
R151A
L61
0.82µH 3.3
ZD61
Z02W3.9Z
Q11
R130A 15K KRC107 S 3
2
1
Q12
R131A 8.2K KRC107 S
3
2
1
Q13
R132A 8.2K
KRC107 S 3
2
1
Q14
R133A 15K
KRC107 S 3
2
1
Q15
R134A 8.2K KRC107 S
3
2
1
Q16
R135A 15K
KRC107 S
3
2
1
Q17
3
KRC107 S
2
R136A
1
8.2K
Q18
KRC107 S
R137A 15K 3
1
Q19
KRC107 S
R138A 8.2K
3
1
Q20
R139A 15K
KRC107 S 3
1
9 10
– 29 –
DATAD
1
BLCK
2
LRCK
3
+5V
4
CNP8
R-CH
1
AGND
2
L-CH
3
DGND
4
+5V
5
6 A10V
5 R-CH
TO MP3
6 A-GND
SECTION
7
L-CH
P31 12-B
8
A10V
TO MP3
D-GND
9 SECTION
P30 1-E
R97
3.9K
CNP7
1
WRQ
2
DRF
3
CE
FROM
4
DO
DISPLAY PWB
5
DI P35 12-D
6
CL
CNS704
7 RES
8 CAMA_A_B
9 CAMA_C_D
10
CAMA_E-B_A
CAMB_B-T_A
11
TRAY_B_C
12
TO MPEG
RES
10
SECTION
P30 1-E
CNP6
FW2
M_5V
1
R140A
CAMA_A
1K
2
R141A
CAMA_B
1K
3
R142A
CAMA_C
1K
4
R143A
CAMA_D
1K
5
R144A
1K CAMA_E
6
R145A
1K CAMB_A
7
R146A
CAMB_B
1K
8
CNP5
FW3
M_5V
1
R147A
TRAY_A
1K
2
R148A
TRAY_B
1K
3
R149A
TRAY_C
1K
4
11
CD-BK3200V
FROM
MAIN PWB
P32 1-A
CNS601
TRAY SWICTH
PWB-E
1
SWB104
MODE 1
SWB105
MODE 2
SWB106
MODE 3
SWB107
MODE 4
SWB108
MODE 5
SWB109
TRAY 1
SWB110
TRAY 2
8
1
SWB101
DISC DETECT 1
SWB102
DISC DETECT 2
SWB103
DISC DETECT 3
4
CAM SWICTH
PWB-F
12