CORD-RC
CIRCUIT
(not on all versions)
KEYBOARD
CD OUT
(not on all versions)
I/O PORTS
RESET
+µP
RC
SL (PWM signal)
SL FO RA
FO
(PWM signal)
RA (PWM signal)
SLIDE_IN
FOCUS_IN
DM±
Sldm±
Focus±
TRACK_IN
H-BRIDGE
MOTOR DRIVER 3
H-BRIDGE
MOTOR DRIVER 1
H-BRIDGE
MOTOR DRIVER 4
H-BRIDGE
MOTOR DRIVER 2
DC/DC
CONVERTER
FEED-
BACK
+S+1.2
+A
+A CL
saw
+1.8
MPC1718
SERVO DRIVER
SAWTOOTH
OSCILLATOR
DM_IN
MOTO1
(from CD7)
+A CL
saw
+A CL
saw
+A CL
saw
+A CL
saw
CL
saw
+3.5
Power
switch
Reg.
Ref.
Track±
L.P.F.
L.P.F.
L.P.F.
L.P.F.
FLEX PCB
HEADPHONE&
RC-SOCKET
RIGHT
VOLUME
CONTROL
LEFT
DC-in socket
+
ACCU or
BATTERY
+A
SUPPLY/CHARGE CIRCUIT
BATT-
BATT+
3V
0
-3V
2,5V
0
-2,5V
eye-pattern signal
> 800 mVpp
TB=0.5µs
1
during focus search
TB=0.1s
6
+3.5
MOTO1 16.9MHz
8.46MHz
DOBM
POWER
CHG_ON
BATT_LEV_SW
BATT_LEV
T_ACCU
ACCU_IN
DC_ON
PORES
MUTE
RCD
RCO
RCI
DBB
+5
CHARGE
CONTROL
BATT. LEVEL
& TEMP.
DETECTION
OVERVOLTAGE
PROTECTION
IR-RECEIVER
(not on all versions)
MUTE
(from µP)
DBB
(from µP)
RC
(from CORD-RC CIRCUIT)
ACCU_IN
BATT_LEV
BATT_LEV_SW
T_ACCU
CHG_ON
(from µP)
DC_ON
(to µP)
to µP
9
7
11
13
12
10
8
3V
0
servo in or disc motor cw
not moving
servo out or disc motor ccw
servo out or disc motor cw
not moving (f=530kHz)
servo in or disc motor ccw
13
11
10
12
DATA
WCLK
left channel
MSB
LSB
MSB
LSB
right channel
SCLK
TRANSFER OF AUDIO SAMPLES VIA SERIAL INTERFACE OF CD7CD7 → DAC
from DC/DC CONV.
2
3
4
from/to SUPPLY/CHARGE CIRCUIT
11k
LOL
IREF
DBB
DBB
Vref
+
1
+3.5 +S+1.2
POWER