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MODEL TE97,972
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I
MODEL TE97,972
1
1
I
REPLACEMENT PARTS LIST
TROUBLESHOOTING GUIDE
Ref. NO.
Part No.
Part Name & Description
I ~ r i g i n a l Part
NO. ^
Per set
!
-
Inspectton and
maintenance
procedure
1
-
Mood selector (silver)
i
1
1
TE970035971
Mood selector (black)
-
~ ~ 9 7 0 0 3 6 0 7
-
Switch lever (silver)
Symptom
Cause
Method o f correct~on
Check
point
switchlever (black)
TE97003067K
Front s an el (silver)
Open transformer
Replace transformer
3. secondary
Check b o t h of prlmarv
transformer
and
power cord
Replace ddsplay tube or
Pr~nted c ~ r c u ~ t
base
NO
lhght at all------
1
TE97003067L
I
Front panel (black)
!
- -
1
I
1
TE97003067J
I
Front panel (light-sold)
1
Check f o r open
in
power
cord
2
Check for damage t o
d~splay tube
Open power cord
-
D~splay tube
IS
cracked
or broken
-
-
Repalr solder~ng
Open pattern
H
Correct pattern
I
1. Vtsual check
-
-
4. Check soldering
Check solder~ng
-
-
TE97003087
Upper case (gray)
TE970030871
Upper case (black) - -
TE97003627
Kev ( ~ v o r v )
Some segments no llght
-
Check LSI output
Check LSI output
,
,
- -
~ ~ 9 7 0 0 3 6 2 7 1 -
Key (black)
TE97003687
Key frame
-
-
- . .
-
TE97003608
Rotarv sw~tch--
Check for short of
tube terminals
t
Unnecessary segment
hghted, light leakage
. -
Ttme d~splay
-
related
Delecl
V P
_S,
-
R r p ace -SI or I>r.nleo
.
i
C ' C "
I
OasC
C f r c u ~ t
Check LSI
~nspectlon
output
-
-
-
- -
-
-
~ ~ 9 7 0 0 2 6 5 1 -
1
'
Key plate block
- -
- -- ---
. - .
- -
-
-
Key cam
- -
-
Check LSI output
Defect~ve LSI
Replace LSI or prlnted
clrcult base
Check LSI output
TE97000367
Bracket for rotary switch
. -
- -
-
--
TE97003457
Block i u m ~ e r
1
lnd~cator tube prongs
segments b11nk
Dcfectlve LSI
segment output
-
F
11-
- 4 - 7 -
~ r o n t % ~ t e r
-
- -
- -
- -
. -
-
- -
---+
4
, ,
~ ~ 9 7 0 0 3 0 6 8 - -
Second filter (orange for silver model)
I
J
- -
- -
-
TE970030681
f
Second filter (colorl~ss for black
TE970002 1 7
Bracket for filter
1
All segments hght-
Replace LSI or
printed
This
Is
Ihe
case Of 'On-
cqrcult base
tfnuous output at each
Lever switch block
TE97002107E
l8
Printed circuit boad
. -
a
-
TE95005307
Relav (Switherland. Ensland onlv)
I
Segment
-
I
Defect~ve contact o f
-
Repa~r or replacement
rotary swltch
; ; q y l t ; y ; :
r 2 ; a r " , "
-
Incorrect mode djsplayed
--c
switch contact defect~ve
Defect~ve D5
-
D l 7
.
dnodes
under normal c o n d i t ~ o n
- -
Open
Repa~r pattern
I
2. V~sual check
-
Defective
LSI
Replace LSI or
printed
1
Check for tncreased error
i - -
Clock advances
from power company
d~odes D 5
-
D l 7
-
1 Check the LSI output
-
-
-
-
-
- -
20
TE97002237-t
- -
~owertransformer
- --
- -
TE97003097
-t
Lower case A (wlA2 hole)
2
Check pos!tton of selector
s w ~ t c h
Replace
ase
p r ~ n t e d circuit
L S e c o n d ~ndlcator no Ilght
TE97003097B
Lower case B (England only)
2 1
- .
-
~ ~ 9 7 0 0 3 0 9 7 ~ ~ Lower case C (PX only-black)
TE97003097M
-
Lower case D (PX only-gray)
TE97003097E
Lower case E (wIC2 hole)
-
-
-
-
-
--
-. .
-
--
--
-
TE97003097H
~owercase F (Switherland only)
TE97002507
Receptacle A (A2)
~ ~ 9 0 3 0 2 5 0 7 ~
Receptacle B (England only)
- .
22
TE90302507E
Receptacle C (Denmark only)
- -
TE90302507F
Receptacle D (C2, w/o earth)
~ ~ 9 0 3 0 2 E Receptacle E (C2, wlearth)
~ ~ 9 0 3 0 2 5 0 7 ~ Rece~tacle F (Switherland onlv)
1
2
Check the c o n t ~ n u t t y of
-
c l r c u ~ t base
C
Clock runs slow
-
wave f o r m
I
i
2. Check posntlon of selector
r w ~ t c h
Clock related
-
Second rtgnal 1 s not
-
transm~tted
R1, R2 reslstance values
Replace prlnted clrcutt
are not rated value
base
4
C1 capacltv
IS
not rated
Replace p r ~ n t e d c l r c u ~ t
I
reslstance value
condenser
check
Check
Check
V~sual
1
value
1
1
base
I
Open
Repa~r pattern
Clock does not operate at
all, q u ~ c k advance has no
Replace LSI or p r ~ n t e d
effect
ctrcuit base
J
T I trans~stor defective
- '
prtnted
circuit
-
base
contin'Jousl~
Defecttve LSI
-
Replace LSI or p r ~ n t e d
clrcult base
-
- F t , v e
D5
-
D l 7
h
2
? . A , . "
Replace p r ~ n t e d clrcult
Check voltage of anput wave-form
Normal voltage is 1 0
-
16V DC
(otherw~se, deffectwe)
1 . Uslng a contlnulty checker.
check contlnulty between
emltter and collector.
I f the needle vibrates,
the transistor is defect~ve.
.
Check 23 p!n or 27 pan
L S l output
.
Check
continuity
Timer related
-
- t P ~ 7 0 ( ? 2 0 5 7
i
Cord
A
( ~ 2 )
I
-
.
,
-,
-
-
I
TE95002057A
I
Cord B (B2)
I
U I V U S a
I
I ~ a s e
I
Rotary SW does not---
-.
Defecttve LSI
Replace
LSI
or
printed
1
2
Check L S I output wave form
TE95002057B
I
Cord C (wlo plug) England only
- -
TE95002057C
I
Cord D (C2) Flat t v ~ e
23
. -.
,
.
TE95002057 E
Cord E (C2) DEMKO approved
TE95002057F
Cord F (C2) KEMA approved
TE95002057G
Cord G (C2) wlearth
Pushbutton swltch
i n
deffect8ve
Jumper lead soldering
Repalr soldering
short
1. Check solder~ng
Check for open lead
TE95002057H
I
Cord H ( ~ 3 )
2 4
--
TE90300807A
I
-
-
-
Operating rwltch
1
related
7
Defect~ve D5
-
D l
7
dlodes
Replace printed clrcult
base
Defectlve LSI
Replace LSI
Defect~ve LSI
Replace LSI
3. Check LSI output
2 . c h e c k contlnulty
3. Check LSI outPut
i
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1 Check solderlng
Check for open lead
TE90300317A
I
Fuse (1 60mA)
When b u t t o n 8 s pushed
Replace printed clrcult
base
2
check
contlnulty
28
29
1
Replace selector SW
- -
4.
Check
continuity
T E 9 0 3 0 2 0 1 7 ~ -
TEgo302217A
Selector SW does not
f u n c t ~ o n
30
I
TE97008107J
(
Instruction book
.
-
Voltage-conversion switch (PX only)
l
=
~
-
+
~
r
~
+
=
J
Adapter sets (Px only)
-
Jumper lead soiderlng
-short
Defect~ve D5
-
D l 7
d~ode?
-
-
-
-
1
- -
Defectlve LSI
Replace LSI
3 .
Check LSI output
solderlng
Replace p r ~ n t e d clrcult
base
3 1
I
TE97008007B
I
Individual box
I
1. Check soldering
Check for open lead
2,
Check
1
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