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MZ-R909
4040
6-7. SCHEMATIC DIAGRAM – MAIN Board (1/4) – • See page 37 for Waveform. • See page 44 for IC Block Diagrams.
Q602
C603
C626
R601
Q601
C605
C602
C601
C837
R607
R619
R604 R605
R602
R603
TH601
D602
R621
C610
C614
C618
D607
L601
6.8µH
L602
10µH
L603
10µH
C630
C619
R609
C503
C504
C505
C506
C507
C530
C523
C510
C511
C513
C514
C509
IC501
L502
10µH
C526
C518
C524
C508
Q501 R505
R517
C519
C515
C532
C501R507
C529
R521 R519
R606
C629
C607 R608
C606
R620
C612
IC601
C613 C616
Q605
R610
C609
C608
C615
D608
D606
Q604
C516
C633R622
C611
C631
C834
J601
D603
C604
C621
R613
C625 C624C623
SL506
SL505
Q603
R611
T601
D601
D605
TP831
TP830
CN501
R501
R502
C502
TP TP
ZDT6718TA
47
6.3V
47
6.3V
1M
SI2302DS-T1
1000p
0.1
0.01
0.1
220
0
1 0.68
220k
100k
MA2YD1500LS0
10k
0.1
0.1
0.1
MA2YD1500LS0
100p
0.1
1
3300p
3300p
0.01
0.033
0.033
2200p
1
10p
10p
10p
0.022
3300p
SN761057DBT
0.1
4.7
6.3V
10
6.3V
0.1
2SA1577
-T106-QR
6.8k
0.5%
2.2k
0.5%
3300p
0.1
0.047
100p1k
10
6.3V
1 100k
470
0.01
100p 330k
100p
10k
10
6.3V
XPC18A22FCR2
0.1 0.1
HAT2050T
0
10
4V0.1
100p
MA2YD1700LS0
MA2YD1700LS0
HAT2051T
0.1
0.110
10
6.3V
10
6.3V
0.1
RB160M-30TR
0.01
0.01
2.2k
47
4V
22
4V
22
4V
TS8K1TB
0
MA2YD1500LS0
RB160M-30TR
20P
47k
150k
0.033
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
B1
B3
B4
CHG MON
CHG GAIN
CHG
MODE1
MODE2
MODE3
HD CON 1
HD CON 2
EFM
HIDC MON
GND SW
PD S0
PD S1
APCREF
TRK-
TRK+
FCS-
FCS+
XRF RST
OFTRK
BOTM
PEAK
VREF MON
RFI
ABCD
FE
S MON
TE
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A2
A3
A1
A4
A5
A6
A7
A8
A9
A10
SDAT
SCLK
ADFG
VB
BATM
CHGSW
RS
INP2
INM2
RF2
DCIN
CHGMON
SVREF
GND
GAIN
CHG
DREG
SW
RECON
OE
CLK
RI
FI
EFM
VIO
VC
VRECO1
L1 1
PGND1
PGND1
L1 2
VRECIN1
OUTA
PGND2
PGND2
OUTB
VRECIN2
VG
HB
PGND3
HA
VG3
C2L
VG2
C2H
C1H
C1L
VC2
VREF
CVREF
GND
DW BT
DW TP
RF1
INM1
INP1
DTC
VREC
VRECO2
C1
C1
C2
C2
E2
B2
E1
B1
S
(BATTERY CASE)
(CHASSIS)
DC IN 3V
(CHASSIS)
HR601
OVER WRITE
HEAD
TRK-
TRK+
FCS-
FCS+
AGND
VREF
C
D
S0
LD-A
LD-K
A
B
MON
SI
AVCC
Iy
Ix
Jx
Jy
TE
REXT
VREF
C
D
D-C
Iy
Ix
Jx
Jy
A
A-C
B
TON-C
CIG
CDN
PD-O
DVDD
S-MON
FE
ABCD
OFC-1
OFC-2
AVCC
PS
LP
EQ
AGND
RFOUT
CCSL2
VC
PEAK
BOTM
DGND
OFTRK
SCK
SBUS
ADIP
-IN
-LPF
WPP
075
VREF
PD-NI
PD-I
D1
S1
D2
S2
S2
G2
S1
G1
G1
S1
S1
D1 D2
S2
S2
G2 G1
S1
S1
D1 D2
S2
S2
G2
XRST
ADFG
B+ SWITCH
Q604,605
OVER WRITE
HEAD DRIVE
POWER CONTROL
OVER WRITE HEAD DRIVE
RF AMP,FOCUS/TRACKING
ERROR AMP
POWER CONTROL
AUTOMATIC
CHARGE
CONTROL
GROUND LINE
SWITCHING
LINE FILTER
DRY BATTERY
SIZE"AA"
(IEC DESIGNATION R6)
1PC. 1.5V
NH-14WM
RECHARGEABLE
BATTERY
1.2V 1350mAh
(+) (-)
L501
10µH
(Page 42)
(Page 41)