MDR-RF5000/RF6000
9
9
3-1. BLOCK DIAGRAM
+2.8V
+3.3V
IC2505
D2301
S2301
ANT2301
RX-RF
BLOCK
TUNE/ID SET
CH/ID SYNC SW
L-CH OUT
R-CH OUT
MUTE
+2.8V REGULATOR
IN
OUT
1
5
+3.3V DC/DC CONVERTOR
3
4
7
SW
IC2504
TUNE/ID SET
IC2301
POWER AMP
VO1
VIN
5
4
VO2 5
VCC
+2.4V
5
+2.4V
FB
VIN
VOUT
8
VDD2.8
SYNC_BEEP
+2.8V
VDD3.3
+3.3V
•
SIGNAL PATH
: ANALOG
THERMISTOR
(BATTERY DETECT)
S2502
ANT2302
ANT 1
ANT 2
BATT2
BATT1
BATT_TEMP
BATT_DET
CN2501
3
4
2
5
SP2001
L
VOUT VIN
S2501
(AUTO ON/OFF)
CHARGE
TERMINAL
(TO TMR-RF5000/DP-RF6000)
RECHAGEABLE
BATTERY PACK
(Ni-MH)
BP-HP2000
2.4V
OR
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION LR6)
2PCS. 3V
BATTERY VOLTAGE
DETECT
1
2
Q2502,2503
B+SWITCH
Q2301
MUTE
D2504
LATCH
CLK
Q2501
D
Q
7
2
1
3
PRE
RV2351
IC2501
VOUT VIN
BATTERY VOLTAGE
DETECT
1
2
IC2502
IC2503
VOL
IC2302
POWER AMP
VO1
VIN
5
4
VO2 5
VCC
+2.4V
5
SP2002
R
Q2302
MUTE
Q2304,2305
BEEP OSC
