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TX-RX UNIT :CONTROL SECTION (X57-6672-70) (A/2)
NOTES: BTL NORMAL EXT MUT
BTL_OUT 0 0 1 1
SP.ON
SP.ON :4.5V SP_MUT 0 1 0 1
SP.OFF
SP.OFF :4.5V SP.ON :3.647V
SP.ON (WHEN BTL_IN =LOW, SWITCH TO EXT MODE)
INT.ON
INT.ON :4.5V AF SP.OFF :0.014V
SP.OFF
INT.OFF:4.5V
INT.OFF:4.5V AMPLIFIER INT.ON :3.647V
INT.ON
INT.OFF:3.647V
INT.OFF:3.647V R298
EXT.
EXT :4.49V AVR AF AMPLIFIER 47k
EXT.
EXT :3.633V
Q216 IC203
INTERNAL
TX-RX UNIT :RF SECTION (X57-6672-70) (B/2)
2SA1362(GR) LM4865M
SP.ON
SP.ON :2.944V SPEAKER
SP.OFF
SP.OFF :0.004V TONE SIGNAL DETECTION C80
1 8
MA2S111
C211
10u10
SHIELD CASE(VCO) RX:0.145V
470p
C212
LV
R321
INT.ON
INT.ON :2.945V VCC VO2 1p
2.7k
D209
INT.OFF:2.944V
INT.OFF:2.944V 2 7 C201 TX:4.47V TX:1.636V RF SWITCH TX:0.846V
EXT.
EXT :2.946V -VIN BYPASS D208 RF AMPLIFIER TX:1.118V TX:2.491V
L17 D8 C73 L20 L21 L22
C294
3 6 0.01u MA742 SP.ON
SP.ON :0.004V C70
0.01u
BTL_OUT HP_SEN GND Q217 SP.OFF
SP.OFF :0.003V RX:1.798V R96 RF AMPLIFIER C58 L14 ANT
5 CPH3413 RX:1.889V RX:0.835V RX:1.794V TX:1.815V TX:0.819V TX:0.62V Q7 8.2n 12n 15n 15n
4 INT.ON :6.58V
INT.ON 470p HVC131
MA2S111
10k
R1
TX:1.889V TX:0.861V 470p
6.8n
COM0
COM1
COM2
DC_VOL/SW VO 1 TX:1.798V 2.2k 2SC5092
D210
INT.OFF:0.004V