Schematic Diagram – Main Board (1/4) - Sony MZ-R909 Service Manual

MZ-R909
6-7. SCHEMATIC DIAGRAM – MAIN Board (1/4) – •
TP831
HR601
OVER WRITE TP830
HEAD
CN501
20P
TRK-
TRK-
TRK+
TRK+
FCS-
FCS-
FCS+
FCS+
AGND
A1
VREF
A2
C
A3
D
A4
Iy
A5
Ix
PD S0
S0
LD-A
LD-K
A6
Jx
A7
Jy
A8
A
A9
B
A10
MON
PD S1
SI
AVCC
RECHARGEABLE
BATTERY
NH-14WM
1.2V 1350mAh
(BATTERY CASE)
DRY BATTERY
SIZE"AA"
(IEC DESIGNATION R6)
1PC. 1.5V
J601
DC IN 3V
(CHASSIS)
(CHASSIS)
•
See page 37 for Waveform. See page 44 for IC Block Diagrams.
R507 C501
1k 100p
R501
47k
RF AMP,FOCUS/TRACKING
ERROR AMP
R502
C508
150k
ADIP 0.1
TE -IN
C502
REXT S-MON
0.033
WPP
FE
A1 -LPF
ABCD
VREF
A2
C OFC-1
A3
D OFC-2
C503
D-C AVCC
3300p
A4 C510
Iy PS
A5 C511
Ix LP
A6 C513
Jx EQ
A7 C532
Jy AGND
A8
A RFOUT
C504
C518 A-C CCSL2
C526 3300p
A9 C514
4.7
0.1 B VC
6.3V
C505 0.01 C516
VREF
TON-C
C506 0.033 075
CIG
L501 C524 PEAK
C507 0.033
L502
10µH 10 CDN BOTM
10µH
6.3V A10
PD-NI DGND
C530 2200p
R521 R519
TP (+) TP (-) PD-I OFTRK
1 100k
PD-O XRST
ADFG SCK
Q501 R505
2SA1577 6.8k
DVDD SBUS
-T106-QR 0.5%
R517
AUTOMATIC
2.2k
POWER CONTROL 0.5%
IC501
C523
SN761057DBT
1
C529
10
6.3V
C626
D603
47
RB160M-30TR
6.3V
C603
47
C604
6.3V
0.01
Q602
ZDT6718TA
CHARGE
CONTROL
Q601
S
SI2302DS-T1
D601 GROUND LINE
MA2YD1500LS0
SWITCHING
R601
1M
T601
C602
TH601
LINE FILTER 0.1
R602
220k
R603 C605 R604 R605
100k 1000p 1 0.68
C601
0.01
D602
MA2YD1500LS0
C837
0.1
Q604
HAT2051T
D1
S1
C609 S1
C608 10
G1
0.1 4V
SL505 TE
S MON
D606
MA2YD1700LS0
SL506 FE
ABCD
Q605
HAT2050T
C509
3300p
D1
S1
10p
10p
S1
10p
G1
0.047
C519
3300p
RFI
0.022 VREF MON
0.1 C515 0.1
PEAK
BOTM
OFTRK
R609
XRF RST
1
SCLK
SDAT
C606
100p
VB
BATM
R606
CHGSW
470
RS
C607 R608
INP2
100p 330k
R619
INM2
0
RF2
DCIN
CHG MON
CHGMON
SVREF
GND
CHG GAIN
GAIN
CHG
CHG
DREG
R607
R621
220
10k
D605
R622 C633
RB160M-30TR
10 0.1
R620
10k
C611
10
6.3V
40 40
Q604,605
D2 OVER WRITE
HEAD DRIVE
S2
S2
G2
D608
MA2YD1700LS0
Q603
C615
TS8K1TB
100p
B+ SWITCH
D2 D1 D2
S2 S1 S2
S2 S1 S2
G2 G1 G2
R611
0
R610 0
C610 C613 C616
0.1 0.1 0.1
C614
0.1
C1H
C618
0.1
C1L
VC2
VREF
CVREF
GND
DW BT
POWER CONTROL
OVER WRITE HEAD DRIVE DW TP
IC601 RF1
R613
XPC18A22FCR2
2.2k
INM1
C621
INP1
0.01
DTC
VREC
VRECO2
L603
10µH
L602
10µH
C625 C623
47 22
4V 4V
L601
6.8µH
D607
MA2YD1500LS0
C612
10
6.3V
B1
B3
B4
(Page 42)
A1
A2
A3
A4
C631
10
6.3V
A5
(Page 41)
A6
A7
A8
C619
0.1
A9
C630
100p
C629
0.01
A10
C624
22
4V
C834
0.1