Sony MVC-CD300 Service Manual page 27

For Schematic Diagram
• Refer to page 4-43 for printed wiring board.
1 2 3 4 5
MD-083 BOARD(3/5)
CD DSP,CD-R/RW GA(DSP,GA BLOCK) Measurement at Mark is not possible
physically due to the parts mounted on
A
-REF.NO.:3000 SERIES-
Side B.
When disk access fails,supply of power is
XX MARK:NO MOUNT
stopped due to power save.As the result,
most of the measurement points show"0"(zero).
18 TO(4/5) TSHOCK
TE
14 Q407,409
TO(2/5)
DSP 3.4V SWITCH
B
TSNSCMP
Q409
DIAG
XP162A11C0PR
4.6V
R588
L403
47k R638 10uH
100k ± 10%
Q407
UN9213J-(K8).SO
R209
XX
C262 C204
0.1u 0.1u
19
TO(5/5) C436
B B
C449
47u
0.1u
6.3V
C B
TA
4.6V-2
3.4V
GND
D
30 XPD
TO(4/5)
R229
47k
29 TO(2/5, DSP3.4V
4/5) R206
220k
E
90 89 88 87
AVSS6
SAO
F
SAO
TAO
TAO
R225 10k
FAO
FAO
33k
BSSD
AVDD6
MON
MDPCD
MDP
MD5
LOCKCD
G
LOCK
SSTP
C205 C258
1u 47u
B 6.3V DVSS5
1608 TA
DTSO
TES2
TES3
PWM1
DVDD5
H C206
VCOO
1u
B
VCOI
1608
TEST
PDO
C207
VCKI
1u
B
V16M
1608
AVDD2
C210
220p
IGEN
CH
R219 33k
I
AVSS2
C208
0.01u
R207 ADIO
1k B
RRF RFDC
R210 10k
± 0.5%
5 CE
TO(1/5) MPP
RFAC TEIN
RFAC TE
C209
R211 0.01u
10k
B
± 0.5%
D200
RB715F-T106
J
1 2 3 4
VC
SE
FAO
FAO
SAO
SAO
FEIN
13
TO(2/5) TAO
TAO R227
MDPCD 10k
K ± 0.5%
MDPCD
TEIN
TEIN
FEIN RFAC
FEIN
R245
100 C213 C214
220p 1u
CH B
1608
L
16
6 7 8 9 10
IC200
IC208
TSHOCK DETECT
TSHOCK DETECT
R204 C203
0.047u
6800
R324 R317
B
100k
1608 R319 47k
10k
O VD
R205 A OUTPUT V+
6800 R320 XX
A-INPUT B OUTPUT - o
IC208
A+INPUT B-INPUT + TA75W393FU-TE12R -
R323 R318
V- B+INPUT 100k 47k G +
IC200
NJM3404AV(TE2)
C200 C201
C263
XX R200
0.022u 0.1u
47k
B B
L202
10uH
X200
C229 33.868MHz
R237 1u
22k B 1608 R256
1M
C223
1u
B
R257
1608
0
86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
XMRST
XRST
SCSY
SQCK
SQCK
SQSO
SQSO
EXCK
EXCK
SBSO
SBSO
SQSY
SCOR
WFCK
WFCK
MUTE
R261
DOUT
47k
MD2
DVDD3
C16M
IC201 C234
C4M 1u B
C235
1608
XX
FSTIO R202
CD DSP R263
100
XX C33M
AUDIO DAC
MCKO
IC201
XTSL
CXD3021R XTSL
DVSS2
MNT0
DA01
MNT1
DA02
MNT2
DA03
MNT3
DA04
DA05
C2PO
DA06
DVDD2
DA07
DA08
DA09
DA10
DA11
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
IC204
SWITCH
R251 XX
R249
R242 1k 100k
XDFCT2
C218 C219 C222 C224
R243 C225
0.22u 0.01u
100p 10k XX 1u
CH 1608 B B B
IC204
1608 1608
BU4S66-TR
4-49
11 12 13 14
IC209
AMP
C265
R321
IC209
XX 0.1u
B TC7SET32FU(TE85R)
C259
0.22u C260
B 22u
6.3V
1608
TA
R322
100k
X202
34.574MHz
R273 R290
470 100k
R274
1M
36 35 34 33 32 31 30 29 21 20
28 27 26 25 24 23 22
R208
10k
C244
XX
TRST
C245
C242
0.1u TESTCLK
B XX
AVD0
AVS1
XTL34O
XTL34I
C34MV
C34MV
C33M C266 22p CH
C33M
R203
0 VSS3
1005
C17MV
CPUCLK
RWSMP
WLDON
WLDONI
ENCEFM
EFMINI
ENSY
ENSYI
SOCK
ENSYCKI
CLVM
LOCKRI
ATSY
ATSYI IC207
VDD2
CD-R/RW GA
VSS4
SPFG
FG3
SPREV
SPREV
SLFOI
SOFF
SOFF
MDPGA
MDP
MDSGA
MDS
SINPWM
SINPWM
ACTEN
ACTEN
XTL40O
C236
1u
XTL40I
B
1608
VSS5
SPCCLK
XSPCINT
XCSSRAM
XCSSRM
XCSFRM
XCSSPC
XA18
R325 R328 C264
XX 0 XX
SLFG
73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108
C246
0.1u
B
15 16 17 18 19
SIGNAL PATH
VIDEO SIGNAL
CHROMA Y Y/CHROMA
REC
PB
R326
100k
SPINDLE speed servo
SLED speed servo
Q204
UN9213J-(K8).SO
INVERTER
C251
C247 0.1u
0.1u
B
B
Q203
UN9113J-(K8).SO
INVERTER
R305
XDFCT2
2200
R313
22k
R306
XX
19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
XDFCT2/P11
SPLHLD
SPLHLD/P10
WAPC
INTI
EJECTI
R311
SCANMD
10k
SENS-
VSS11
R316
TBRK
100k
XUNLDI
R315
LOADI 10k
XSQINT
XSQINT
XGAINT
XATN
NMI
NMI
XTSL
XTSL
DFCT
DFCTI
FOK
FOKI
LOCKCD
LOCKI
R314
10k
VSS10
VDD5
IC207 MIRRO
MIRRO
CXD1457R
MNT3
MNT3I
MNT2
MNT2I
MNT1
MNT1I
MNT0
MNT0I
SQSY
SCORI
SQSO
SQSI
SBCK
R309
VSS9 1k
XCDR_RSTO
XRESET
VREF+
VRT
AVD
R312 0
MPXO
VIN
AVS
VREF-
VRB
P27 C252
0.1u
C255 C253 C257
P26
1u B XX 1u
B 1608 B
1608
1608
C254
0.1u
B
C248
0.1u
B
D205
RB715F-T106
4-50
MVC-CD200/CD300
20 21 22 23
AUDIO
SIGNAL
LRCK
LRCK
REC REC/PB PB
MDATA
MDATA
BCLK
BCLK
GRSCOR
GRSCOR
SBSO
SBSO
WFCK
WFCK
C2PO
C2PO
ENCEFM
ENCEFM
SOCK
SOCK
EXCK
EXCK 23 TO(5/5)
ENSY
ENSY
ATSY
ATSY
WLDON
WLDON
CLVM
CLVM
C17MV
C17MV
XCSCL
XCSCL
FMCK
FMCK
FMDT
FMDT
C34MV
C34MV
SQSY
SQSY
ACTEN
ACTEN
DFCT2
DFCT2
SOFF
SOFF
SPREV
SPREV
MDSGA
MDSGA
MDPGA
MDPGA 11
TO(2/5)
SDLTDA
SDLTDA
SINPWM
SINPWM
XSPBRK
XSPBRK
SPFG
A19 SPFG
A19
VREF-
A18 VREF-
A18 SPLHLD
SPLHLD
A17
A17
A16 VREF+
A16 VREF+
A7 TZC
A7 TZC
A6
MPXO
A6 MPXO
20
A5 TO(4/5) AGCON
A5 AGCON
A4 RECD2
A4 RECD2
A3 RECD1
A3 RECD1
A2 RFGUP
RFGUP
A2
A1
A1 XDFCT2
XDFCT2
A0
A0
MIRR
MIRR
FOK
D15 FOK
D15
MSMP
MSMP
D14
D14 SSMP
SSMP
D13
D13 ASMP
D12 ASMP
D12
RSMP
21 TO(4/5, RSMP
D11
5/5)
D11 WSMP
WSMP
D10
D10 ODPLS
ODPLS
D9
7
D9 TO(1/5)
EQEFM
EQEFM
D8
D8 RZC
RZC
XSDLTRF
XSDLTRF
SDCK
SDCK
RAPC
RAPC
TZC WAPC
TZC WAPC
SLFG SWDT
SLFG SWDT
NMI OSCON
OSCON
NMI
XCLHINT XTOK
XCLHINT XTOK
SENS RC
SENS RC
SNSCLK FMCK
SNSCLK
FMCK
22
XCSSRAM TO(4/5) FMDT
XCSSRAM FMDT
XGAINT C34MV
C34MV
XGAINT
XMRST ATFG
XMRST ATFG
XRD DFCT
XRD DFCT
XCDR_RSTO WAPCRW
XCDR_RSTO WAPCRW
XSQINT XRW
XSQINT XRW
XWR
XWR
MPXO
24 TO(1/5,4/5,
MPXO
5/5)
SLFG
16
SLFG TO(2/5)
CD DSP, CD-R/RW GA
MD-083 (3/5)