Motorola tm 317 m service manual

Page 1

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MOTOROLA

GENERAL INFORMATION

Compact universal automotive type
all-transistor superheterodyne AM
radio for standard broadcast re-
ception; operates from 12 volt neg-
ative ground system. This receiver
contains a plated chassis board, 6
transistors and 3 diodes. An 8 ohm
speaker system is used.

This radio is of the compact, under-
dash type. ln-dash installations,
however, can be made in many cars
with the use of trimplate kits AK-ZZS
or KM35T, Special knobs are de-
signed to give all installations a
custom look. The tone knob and the
dummy knob are reversible. For
in-dash installations, the knob is
used backwards" and provides a
flush fit. For under-dash installa-
tions, the knob is used "face-up"
and fills the extra space where the

auto radio

MANUAL 68P64994A73

MODEL TM3I7M

service manual

2. When replacing a power output
transistor, remember to use the
transistor specified inthe parts list;
coat both sides of the transistor in-
sulator with DC~4 grease (Motorola

nents) contains the actual circuitry
while the plating on the component
side contains primarily 13- points.

Servicing techniques applicable to

dash would be. Part No. Ill/1490487) and securely this model can be found in the

, , tighten the transistor mounting following Motorola publications:
3 screws, When replacing all other HProfitable Transistor Radio Ser-
SERVICE NOTES transistors, use long-nose pliers as vicing (Motorola Part Number

1, Make certaintheHAH lead is con-
nected to the positive (+) side of the
power source, otherwise, damage to
receiver may result. If a battery
eliminator is used as a power source
in place of a battery, it must be well
filtered and regulated.

a heat sink, i. e., grasp transistor
leads close to transistor base with
the pliers to dissipate heat while
soldering,

3. The plated chassis used in this
receiver has plating on both sides;
the exposed side (opposite compo-

MOTOROLA AUTO RADIO WARRANTY SERVICE

paid by the customer,

3, Before performing a guarantee
repair on a Motorola Branded Auto
Radio, you must first receive the
Customers Car Radio Guarantee
and Service Booklet. The installa-
tion and model information on the

the R & R allowance. If you only
repair the radio without R t: R ser-
vice, you are entitled to the labor
allowance. However, iiyouperform
both R & R and the repair, then be

, sure to indicate both on your claim

form for both allowances. After the
form has been filled in, mail the

68P60011A53) and "A Discussion Of
Transistorized Car RadiosH
(Motorola Part No. 68P64980A51).

4, REAR SPEAKER - The KMBS
(6" x 9" - 8 ohm withfader control)
rear speaker kit can be used with
this radio.

STATION PROCEDURE

«1
2 E l. AMotorola Branded Modelis one booklet must be filled in by the pink and green copies to your
3 5 that has the Motorola name and is selling dealer at the time of retail Motorola Distributor for payment.
g E distributed to dealers through the sale. The Customer's Car Radio The yellow copy is to be retained in
g .4 Motorola Distributor. Guarantee and Service Bookletmust the Service Station file.
0 a show that the radio is within the
E O 2. These models are guaranteedfor guarantee period to be repaired
g 2 all parts and labor, including re- under the Motorola Auto Radio 5' _Defect1ve parts for guarantee re-
; moval and rte-installation (R a R), Guarantee. P31 made 3? 0 be £59: 0 V0?
for a period of two years from the Motorola Distributor _or ree re-
date of purchase. The following re- 4. To obtain your labor allowance placement supported With thewdefec'
: g pairs are not covered under this for the servicing of the customers 212135332358 return tag, Part number
i {g guarantee: the elimination of motor in-guarantee set, fillinthe Motorola 1 '
i g noise, tire static, electrical inter- Guarantee Labor Claim, Part No.
S ference and faulty installation. 68P60016A30. If you perform a 6. Only those service stations auth-
g Charges for these repairs are to be R & R service, you are entitled to orized by their Motorola Distributor

can perform repairs within the
guarantee period on a no-charge
basis to the customer. If you are
not an Authorized Motorola Auto
Radio Service Station and you are
interested in handling this service,
please Contact your Motorola Dis-
tributor for complete details.

3 MOTOROLA INC.
PART No. 68P64994A73 10-67

9401 WEST GRAND AVENUE, FRANKLIN PARK,
PRICE 20 CENTS

I LLI N O I S
COPYRIGHT 1967 BY MOTOROLA INC. - PRINTED IN U.S.A.

Page 2

ALIGNMENT

Connect an output meter across the speaker voice coiL Set volume to maximum and tone to treble. Atten-
uate signalgenerator output to maintain lwatt (2.83 volts across an 8 ohm load) on output meter at all times.

GENERATOR
GENERATOR FREQUENCY
STEP CONNECTION (400 cycle 30% mod) TUNER SET TO ADJUST REMARKS
IF ALIGNMENT
1. To collector of 262.5Kc Hi end stop 1, 2. 3 Adjust for maximum.
RF amp thru 81 4
.lmf S; chassis
RF ALIGNMENT
2. Antenna recept- 1610K: Hi end step 5, 6, 7 Adjust for maximum.

acle thru dummy 8: 8
(see Figure)

NOTE: Do not perform Steps 3, 4, 5 and 6 unless the tuner has been tampered with or associated compo-
nents have been replaced. Remove the escutcheonto expose core screws. Before proceeding with
Step 3, back the tuning cores as far as possible out of the coils to eliminate their effect on trimmer
adjustments,
3. Antenna recept- 1610Kc Hi end stop 5, 6, 7 Adjust for maximum.
acle thru dummy & 8
(see Figure)
4. " lOZOKc Tuner carriage 9. 10. ll Adjust for maximum.
.298" from hi 8: 12
end stop
5. 1610K: Hi end stop 5, 6, 7 Adjust for maximum.
£1 8
6, Repeat Steps 4 and 5 untilnofurther increase; Step 5 should be last step. The cement core screws
in place.
ANTENNA TRIMMER
7. --- --- Weak station 8 Adjust for maximum with
around 1400Kc radio installed in car and
antenna fully extended.
TOP 301' 501' Pm TDFIY RECEIVER
l..-__--_1 ANTENNA RECEPTACLE
msmm ___J an 19qu?
GENERATOR 1 I KCEPI'ACLE
I I METAL SNIflD cm
L__ ___l MUSTIEATTACI'ED
TOPLUG

ALIGNMENT
LOCATION
DETAIL
*THESE ADJUSTMENT
POINTS ARE use
ACCESSIBLE FROM
mom or RADIO

*
ANT RECEPT

8 ll

t
FRONT OF RADIO

KNOT 8: CEMENT
POINTER - WITH TUNER SET TO
lfilOKC, SH POINTER T0 EDGE
OF BRACKET AS SHOWN AND
CEMENTTO DIAL STRING

SET TUNER SO CORES ARE
DIAL STRINGING DETAIL

DUMMY ANTENNA DETAIL

HEX

MANUAL
TUNING
OUT OF CDILS (IGIOKC) SHAFT

I F ALIGNMENT DETAIL