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VB
HEADPHONE AMP (IC302),
MOTOR/COIL DRIVER (IC551)
B+
POWER CONTROL
IC901
SWITCHING
REGURATOR
SYSTEM
CONTROL
BANDGAP
REFERENCE
SERIES
PASS
REGULATOR
REGURATOR
STEP-UP
DC/DC
CONVERTER
STEP-UP
PRE DRIVER
&
PWM
D902
D903
L902
L905
VG
MOTOR/COIL
DRIVER (IC551)
B+
VL
VL
VG
LG
VC2
VC
VC
VOUT
L1
L1
VB
L2
L2
RF2
VB
VC
VRMC
XWK3
CLK
CLK SEL
FFCLR
SLEEP
VLON
XWK1
XWK2
XWK4
VAIFON
VSTB
VLO
VREF
DTC2
DTC1
VDFB
VIFFB
VIF
VAFB
VA
VCO
INM2
INM1
RF2
RF1
XRST
CRST
DTC1
VD
D904
L801
L904
VSTB
SYSTEM CONTROLLER (IC801)
B+
SYSTEM CONTROLLER
IC801 (3/3)
RMC KEY
(Page 28)
(Page 27)
(Page 27)
(Page 28)
CLK
VRFF
SDO0, SDI0, SCK0
VL
LASER APC CIRCUIT
B+
VD
SYSTEM CONTROLLER (IC801)
B+
VIF
A/D, D/A CONVERTER (IC301),
SYSTEM CONTROLLER (IC801),
EEPROM (IC804)
B+
VA
A/D, D/A CONVERTER (IC301),
SYSTEM CONTROLLRE (IC801)
B+
VC
MIC AMP (IC303),
RF AMP (IC501),
MOTOR/COIL DRIVER (IC551),
REMOTE CONTROL CIRCUIT
B+
RMC KEY
FS4
CLK SEL
FFCLR
SLEEP
VLON
WK DET
REC KEY
HALF LOCK SW
VL MON
OPEN
S805
CS RTC
VIF B+
VB B+
XCS LCD
LCD STB
LCD RST AUX
F
D
E
G
LCD
DRIVER
&
REAL TIME
CLOCK
LCD
SDO0
SDI0
SCK0
SD0
SI0
SCK
RST
STB
CS
CS RTC
REC
PAUSE
REC LED
SE1 KEY 1
SE1 KEY 2
DVDD
BACKUP
UNREG
XWK1
REC
T MARK
REC MODE
END SEATCH
+ –
HOLD
S801
OFF
HOLD
SYNCHRO REC
S802
ON
OFF
––
VOL
REC
X
x
+
,
,
,
,,
(JOG LEVER L/R)
VIF B+
VB B+
SWITCH & LCD MUDULE UNIT
SL801
(TEST)
S803
PROTECT
DETECT
S804
BATTERY IN
DETECT
S806
OPEN/CLOSE
DETECT
SYNC REC
OPEN CLOSE SW
XGUM ON
PROTECT
XTEST
AUXI
CHG MON
CHG GAIN
CHG
HIDC MON
GND SW
VB MON
PAUSE KEY
REC LED
SET KEY1
SET KEY2
XHOLD SW
VIF B+
VB B+
VL PWM
VC PWM
XRST
VREC PWM
RESET
SWITCH
Q801
NOISE
FILTER
NOISE
FILTER
NOISE
FILTER
L603
L602
VRECO
OVER WRITE
HEAD DRIVE
CIRCUIT
B+
SWITCH
SWITCHING
REGULATOR
RESET SIGNAL
GENERATOR
SWITCHING
REGULATOR
CHARGE
CONTROL
CHARGE
MONITOR
POWER
CONTROL
IC601 (2/2)
STEP-UP DOWN
PRE DRIVER
&
PWM
STEP-UP
PRE DRIVER
&
PWM
BATTERY
CHARGER
&
REGULATOR
SYSTEM
CONTROL
(2/2)
VRECO1
VRECO2
VREC
INM1
RF1
CHGMON
GAIN
CHG
L1 1
L1 2
DW BT
DW TP
VIO
VC2
VC
RF2
INM2
INP2
RS
CHG SW
VB
BATM
DREG
DCIN
VIF
B+
D605
VC B+
VIF B+
L601
L901
D901
L903
D603
B+ SWITCH
Q603
CHARGE
CONTROL
Q602 (2/2)
CHARGE
CONTROL
Q602 (1/2)
LINE
FILTER
T601
CHARGE
RECHARGEABLE
BATTERY
(NICKEL-METAL)
NH-14WM
1.2V 1400mAh
–
+
DC IN 3V
J601
GROUND
LINE
SWITCHING
Q601
THP601
(BATTERY CASE)
DRY BATTERY
SIZE “AA”
IEC DESIGNATION
R6
1PC. 1.5V
REGULATOR
SWITCH
6-3. BLOCK DIAGRAM – KEY CONTROL/DISPLAY/POWER SUPPLY Section –
1 Vp-p
5.68
µ
s
2.5 Vp-p
352 ns
2.5 Vp-p
88.5 ns
2.5 Vp-p
22.8
µ
s
1 Vp-p
5.68
µ
s
2.5 Vp-p
88.5 ns
Approx.
1.3 Vp-p
Approx.
35 mVp-p
2.5 Vp-p
352 ns
Approx.
200 mVp-p
2.5 Vp-p
22.8
µ
s
1 Vp-p
5.68
µ
s
Approx.
200 mVp-p
Approx.
35 mVp-p
Approx.
20 mVp-p
Approx.
200 mVp-p
Approx.
20 mVp-p
Approx.
1.3 Vp-p
Approx.
200 mVp-p
• Waveforms
1 IC501 8 (IY) (PLAYBACK mode)
100 mV/DIV, 1 µs/DIV
2 IC501 9 (IX) (PLAYBACK mode)
100 mV/DIV, 1 µs/DIV
3 IC501 0 (JX) (PLAYBACK mode)
100 mV/DIV, 1 µs/DIV
4 IC501 qa (JY) (PLAYBACK mode)
100 mV/DIV, 1 µs/DIV
5 IC501 1 (TE) (PLAYBACK mode)
20 mV/DIV, 500 ns/DIV
6 IC501 ed (RF OUT) (PLAYBACK mode)
500 mV/DIV, 500 ns/DIV
7 IC501 rs (FE) (PLAYBACK mode)
10 mV/DIV, 500 ns/DIV
8 IC601 4 (CLK)
500 mV/DIV, 2 µs/DIV
9 IC801 wg (OSCO)
200 mV/DIV, 10 ns/DIV
0 IC801 ej (RFI) (PLAYBACK mode)
500 mV/DIV, 500 ns/DIV
qa IC801 rj (FE) (PLAYBACK mode)
10 mV/DIV, 500 ns/DIV
qs IC801 th (TE) (PLAYBACK mode)
20 mV/DIV, 500 ns/DIV
qd IC801 yl (LRCK)
1 V/DIV, 10 µs/DIV
qf IC801 u; (XBCK)
1 V/DIV, 200 ns/DIV
qg IC801 ua (FS256)
1 V/DIV, 50 ns/DIV
qh IC801 ih (FS4)
500 mV/DIV, 2 µs/DIV
qj IC301 w; (LRCK)
1 V/DIV, 10 µs/DIV
qk IC301 ql (MCLK)
1 V/DIV, 50 ns/DIV
ql IC301 qj (BCLK)
1 V/DIV, 200 ns/DIV
w; IC901 th (CLK)
500 mV/DIV, 2 µs/DIV
1 Vp-p
22.1 ns