PART 2: TRANSMITTER BLOCK
1. SPECIFICATIONS
MODULATION: Frequency modulation (FM)
TRANSMISSION FREQUENCY: 88 MHz ~ 108 MHz
ANTENNA: 105mm overall length (77mm extended portion)
FIELD STRENGTH: Lessthan 15j.LV/mat a distance of 100 meters
Approx. 60m in flat area, line-of-sight
(Actual distance differs according to environmental and
radio conditions.)
TRANSMISSION RANGE:
A) TYPE: 3-transistor FM transmitter
B)
C)
D)
E)
F)
G) BATTERY TYPE: No. 389/SRl130W (1.55V, 85mAH)
H) BATTERY LIFE: Approx. 5 hours (continuous operation)
I) CURRENT CONSUMPTION: 6mA~ 8mA
2. REPAIR
A precise adjustment and a fine tuning by a special instrument is always required when
repairing the P.C.B. ass'y in the transmitter block.
Therefore, in casea trouble occurs in the P.C.B. ass'y, replace the whole P.C.B. ass'y with
new one.
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