Schematic Diagram – Main Board (2/4) - Sony MZ-N505 Service Manual

6-8. SCHEMATIC DIAGRAM – MAIN Board (2/4) – •
A1
A2
A3
A4
A5
A6
(Page 38)
C551
A7
0.1
A8
A9
A10
A11
A12
M602
(SLED)
U
N
CN502
10P
1
SLEDN
W V C1
SLEDU
C2
SLEDV
C3
SLEDW
M603
HD DRV-
OVER WRITE
HD DRV+
HEAD UP/DOWN
C4
CLVW
C5
CLVV
C6
CLVU
U
N
CLVN
10
W V
M601
(SPINDLE)
•
See page 42 for Waveform. See page 43 for IC Block Diagrams.
(2/4)
SCW
SCV
C522
0.1
SCU
UI2 FI2
SP
PWM2 RI2
SMU
CPUO2 COM2
SMV
CPVO2 CPUI2
SMW
CPWO2 CPVI2
XMD
C561
OE CPWI2
0.1
GND1 NC
FOCUS/TRACKING COIL DRIVE,
VC GND2
SPINDLE/SLED MOTOR DRIVE
VG CPWI1
IC551
CMW
SC111258FCR2
CPWO1 CPVI1
CMV
CPVO1 CPUI1
CMU
CPUO1 COM1
CP
PWM1 RI1
CCU
UI1 FI1
L554 L553
0 0
FCS- FCS+
R560 2.2k D1
R561 2.2k D2
D3
R562 2.2k
VOLTAGE
D4
DETECTOR
C557 C558 C559
IC902
0.047 0.047 0.047
XC61CN0802NR
R551 10k D5
R552 10k D6
D7
R553 10k
D8 R919
47k
0.5%
R918
10k
0.5%
D904
MA111-TX
R914
100
R946
10k
0.5%
C919
10 6.3V
TF1
C920
TR1
10 6.3V
D4
D3
D2
D1
AP912
(VCO)
D5
D6
D7
D8
FR1
FF1
C911
10
6.3V
R911
470
XRST
C917
0.1
C915
0.1
C512 C521
0.1 0.1
C928
0.1
CSEL
FF
SL
Q904
2SA1745
C924
1000p
R927
1M
Q903,904
B+ SWITCH
R928
100k
R925
R907 1M
220k
R921 470k
Q903
2SD2216J-R R916 220k
C927
0.1
R908 100k
R924
220k
Q902
R923 2SD2216J-R
220k
Q901
2SD2216J-R C910
1000p
Q901,902
C916
1
SWITCHING
39 39
VCP
R906
0
C901 C902
R909
10 10
10k
6.3V 6.3V
R915
2.2k
0.5%
R947
1k
0.5%
L901
D901
100 H
MA2YD15
R941
22k
C926
10
6.3V
R902
470k
R903 C905
NC L1
2.2k 0.1
VD RF1
VC2 INM1
C908
XRST DTC1
C921
CRST DTC2
RSTREF RF2
C906 0.01
VREF INM2
POWER CONTROL
VB VDRF
IC901
GND XPC18A32FCR2 VGFB
CLKSEL VG
VAIFON LG
FFCLR PGND2
C907
SLEEP L2
2.2
CLK NC
R922
22k
C914
0.1
L902
L904 22 H
10 H
D902
R920
MA2YD15
10k
0.5%
C904
22
6.3V
C903
C909 100
C912 C913
1000p 6.3V
1000p 4700p
ZZ3 ZZ2 ZZ1
AP913
(VLO)
MZ-N505
D1
D2
VLP
D3
D4
D5
D6
D7
R910
10k
0.1
0.1
(Page 40)
R905
C922
2.2k
1000p
L905
100 H
C918
2.2
D8
D9
D10
D11