Hallicrafters T-64 Service Bulletin

the hallicrafters
JUNE, I9U9
co.
STAMP
SERVICE BULLETIN FOR MODELS T-64, 509 AND 51(
GENERAL
Picture Area CIRCLE . . . . 64 square inches
NORMAL . . . 56 square inches
Tubes Twenty-one plus two rec-
tifiers
Speaker V.C. Impedance
Antenna
Tuning
Tuning Range
Channel
No.
2
3
4
5
6
7
Intermediate Frequency
Picture carrier.
Sound carrier
Intercarrier sound system
Power Supply
Power Consumption
Model Differences
3.2 ohms
Provision for external an-
tenna using 300-ohm trans-
mission line.
Pushbutton plus manual trim-
ming adjustment.
Twelve pre-set channels. ,
Fre-
quency
(me)
54-60
60-66
66-72
72-82
82-88
174-180
Fre- /
Channel quency /
No. (me) /
8 180-186
i! !S:!2 — <-
11 198-204
12 204-210
13 210-216
26.25 me
21.75 me
4.5 me
105-125 V. 60 cycles AC
230 Watts
Model T-64 -Custom installation (chassis unit)
Model 509 - Wood cabinet
Model 510 - Plastic cabinet
VERTICAL HOLD
(12 CHANNELS) HORIZONTAL HOLD
300 OHM
ANTENNA
" TRANSMISSION
. 1. Functional block diagram.