Teac R-H500 User manual

SERVICE
MANUAL
R-H500
'NOTES-~———-
@
PC
boards
shown
are
viewed
from
paris
side.
@
The
parts
with
no
reference
number
or
no
parts
number
in
the
exploded
views
are
not
supplied.
|
@
As
regards
the
resistors
and
capacitors,
refer
to
the
cir-
cuit
diagrams
contained
in
this
manual.
@
A\
Parts
marked
with
this
sign
are
safety
critical
compo-
nents.
They
must
be
replaced
with
identical
components-
refer
to
the
appropriate
parts
list
and
ensure
exact
replace-
ment.
|
@
Parts
of
|
]
mark
can
be
used
only
with
the
version
desig-
nated.
[DM]:
JAPAN
[E]:
EUROPE
Cassette
Deck

CONTENTS
_
SPECIFICATIONS
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ELECTRICAL
PARTS
LIST
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99
Specifications
DECK
(for
recording/playing)
@sneral
@
Track
system
:
4
track,
@
Power
consumption
:9W[DM]
2-channel
stereo
© )
:
12W
[EUR]
@
Recording
system
:
AC
bias
@
Power
requirements
:100V,
50Hz[DM]
@
Erasing
system
:
AC
erasing
|
:
230V,
50Hz[EUR]
@
Tape
speed
:
4.8cm/sec
|
@
Dimension
(WXHxD):
285
X
101
X
304mm
@
Motor
:
DC
motor
@
Weihgt
:4.1Kg
@
Ferquency
response
Normal
:
40~14,000Hz
CrO2
:
40~15,000Hz
Standard
accessories
Metal
+
40~16,000Hz
Audio
signal
connection
cable
2
@
FF
and
REW
time
:
120
seconds
Remote
control
connection
cable:
1
(C-60
cassette
tape)
-@
Wow/Flutter
10.15%
(JIS,
WRMS)
@
S/Nratio
_ |
Dolby
NR
OFF
:
55dB
(CCIR/ARM)
~
Dolby
B
NR ON
:
65dB
(CCIR/ARM)
Dolby
CNRON
|.
_—_:
75dB
(CCIR/ARM)
@
Input
sensitivity
/
Impedance
Line
:
9OmV
/
35Kohms
|
@®
Output
level
/
Impedance
|
*
Improvements
may
result
in
specification
or
Line
:
548mV
/
1Kohms
feature
changes
without
notice.
2
—eeeecmmemme
SERVICE
MANUAL
_
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3
ae
ere
condition
|
Test
hap.
peeresenl
|
i
eed
NR
position:
OFF
¢
Head
azimuth
(10KHz,
10cB):
MTT-114N
_Make
sure
heads
are
clean.
_«
Tape
speed
(3KHz,
-10dB):
MTT-111N
_«
Make
sure
capstan
and
pressure,
roller
@
are
«
Playback
frequency
‘response
|
MTT-
257H
clean.
-
.
aap
a
dees
|
(125KHz,
TKHz,
10KHz,
»-T0dB)
Measuring
instruments
an
.
Playback
gain:
|
MTT-150_
«
EVM
(Electronic
Voltmeter)~
a
«
Blank
tape
@
Oscilloscope
_.
=
a3
-_
Normal
blank
tape:
MTT-5511
«
Frequency
counter
a
CrOz
back
tape:
MTT-55611
-
¢
AF
Oscillator
Metal
back
tape:
MTT-557
1
|
«
DC
Voltmeter
_©
ATT
(Attenuator.
or
Audio
Generator)
—
Resistor
(eobonigy
HEAD
AZIMUTH
ADJUSTMENT
1.
Test
equipment.
connections
are.
shown
in.
fig.
1.
2.
Playback
the
head:
Azimuth
test
tape
and
regulate
the
anal
adjust
screw
so
that
the
outputs
of
L-ch
and:
R-ch
are
maxi-
mized.
(When
the
adjusting
positions
are
differene
with
L-ch
and
R-ch
find
a
position
Where
the
outputs
of
L-ch
and
R-ch
are
balanced
and
then
make
the
adjustment.)
LINE
OUT
phase
‘deflection.
4.
After
the
a
locaiaits
apply
screw
lock
to
ae
acer
adjusting
value.
°
ayues
gees
|
a
Azimuth
screw(REV)
screw(FOR)
TAPE
SPEED
ADJUSTMENT
1.
Test
equipment
connections
are
shown
in
fig.
2.
2.
Playback
the
middle
part
of
the
test
tape.
_
VR84
.
3,000HzZ
+
30HZ
aa
chassis,
|
»
“Digital
frequency
|
counter
!
PLAYBACK
GAIN
ADJUSTMENT
Salis
Test
equipment.
connections
aré
‘shown
in
fig.
3.
2.
Playback
the
playback
gain
test
tape
(MTT-150).
3.
Adjust
Pee
gain.
Adjustment
Point
-|
DECK
.
Standard.
Value
LINE
OUT
“(Fig
3)
_—mt——____-—,
SERVICE
MANUAL

PLAYBCK
FREQUENCY.
RESPONSE”
|.
-4.
Test
equipment
connections
are
shown
in
fig.
A
7
2.
Playback
the
playback
frequency
response
test
eae
3.
Check
shown
in
a
5
for
both
L-ch
and
R-Ch.
sscccscee
I
Usk
erik
a
|
ies
AOKHZ
12.5KH2
BIAS
FREQUENCY
ADJUSTMENT
4.
Test
equipment
connections
are
shown
in
fig.
6.
:
2.
Load
a
CrOz
blank
test
tape.
gh
hassis
-)
..
pT
a
3.
Press
the
record
and
pause
button.
7
Le
4,
Adjusts.T501
for.
105iKHz
frequency
counter
reading.
;
Sere
a
eT
“Dai
requency
cose
ioe
AL
ates
cee.
OG
Co
ERTL
OVERALL
GAIN
ADJUSTMENT
.
SP
utara
oa
ee
ta
et
gett
a
UNE
OUT
ee
AF
oscillator
1.
Test
equipment
connections
are
shown
i
in
n
fig.
|
ee
ere:
2.
Insert
the
normal
reference
blank
tape.”
ge
3.
Place
UNIT
into.
record
mode.
.
-
4,
Supply
@
1KHz
signal
through
J
ATT
(-
40dB)
fi
from
AF
oscillator.
tolinein.
..
|
.
Adjust
ATT
until
monitor
level
at
TP31
(L-ch)
or
TP32
(F-ch)
becomes
180mvV.
.
Playback
recorded
tape
and
make
sure
that
the
output
level
at
TP31
(L-ch)
or
TP32
(R-ch).
becomes
180mV.
|
.
ff
measured
value
is
not
180mvV,
adjust
it
by
using
VR31
(L-
CH)
or
VR32
(R-CH).
.
Repeat
from
step
(2).
|
OVERALL
FREQUENCY
RESPONSE
1.
Set
a
normal
blank
tape
(MTT-5511)
and
record
by
apply
sig-
nal
(100Hz,
1KHz,
10KHz)
through
ATT-from
AF
oscillator
to
lins
in
(Line
out
Level:
33mV).
:
OSCILLOSCOPE
.
Playback
the
signal
recorded
in
step
1,
and
check
that
the
Af.gswilator
‘UNE
IN
UNE
OUT
|
level
of
each
output
frequency
in
within
the
range
shown
in
_S00ohmn
|
fig.
8
in
comparison
with
the
reference
frequency
(1KHz).
wey
Ot
.
If it
is
not
within
the
standard
range
adjust
the
bias
current
by
using
VR51
(L-CH)
or
VR52
(R-
CH)
sO
>
that
the
frequency
level
is
within:the’standard.
@
Level
up
in
high
frequency
range
..
.
Increase
the
bias
cur-
rent.
e@
Level!
down
in
high
fsuueney.
ange:
Dectanee
the
bias
current.
=
4.
After
that;
increase.
the
signal
meorded
on
CrO2
blank
tape
|
(MTT-5561)
and
metal
blank
tape
(MTT-5571)
up
to
12KHz
and
adjust
in
the
same
way
as
mentioned
above
and
check
that
frequency
level
is
within
the
range
shown
in
Fig.
8.
63Hz
125Hz
10KHz
12.5KHz
SERVICE
MANUAL

Pe
:
~~
VR31
VR32
IPt
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Key
scan
output.
System
reset
pulse
input.
Timer
control
Mode.
To
be
grounded.
Key
scan
input.
To
be
grounded.
Meter
L-ch
|
A/D
Convertor
input
for
level
meter
indication.
|
A/D
Convertor
input
for
level
meter
indication.
29
+5V
Power
supply
terminal
of
this
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:
30
“AVref
Reference
voltage
input
terminal.
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be
grounded.
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to
To
be
grounded.
|
34
|
Crystal
element
connecting
terminal.
REC
control
Mode
(L
=
ON)
Rec
mute
control
Mode
(H
=
ON)
&
©)
_
37
38
40
44
42
LINE
MUTE
Line
mute
contro!
Mode
{H
=
ON)
Dolby
C
Dolby
C
control
Mode
(L
=
ON)
Dolby
B
Doiby
B
contro!
Mode
(L
=
ON)
LINE
/
PB
LINE
/
PB
control
Mide
.
~
Power
control
Mode
(H=ON)
~~~
To
be
grounded.
T.P.S
data
input.
_
Halt
iC
data
input.
~
Remocon
IN
Remocon
datainput.
|
‘48
To
be
grounded.
Remocon
data
output.
Ciose
loading
Motor
control
(H
=.ON)
#51
open
loading
Motor
control
(H
=
ON)
52
+5V
power
supply
terminal
of
this
IC.
53
Loading
close
detector
sw
input
(L
=
ON).
—
_
Loading
open
detector
sw
input
(L
=
ON).
Rec
(Reverse)
SW
detector
input.
Mode
sw
detector
input.
57
_
TAPE
sw
detector
input.
Motor
control
output
(H
=
ON)
Solenoid
control
output
(H
=
ON)
Rec
(torward)
sw
detector
input.
61~70
Seg1~Seg10
Fip
segment
contro]
output.
71
(-24V)
Negative
power
supply
input
terminal
for
fip
blanking.
72~77
Fip
segment
control
output.
| |
.
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ND
T.P.S
pf
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SERVICE
MANUAL

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LOW-Noise
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Amplifiers
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POWER
SUPPLY
TYPE)
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|
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A
MARK
HAVE
SPECIAL
CHARACTERISTICS,
IMPORTANT
FOR
SAFETY.
WHEN
REPLACING
ANY
OF
THESE
COMPONENTS
USE
ONLY
MANUFACTURER'S
SPECIFIED
PARTS.
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THE
UNIT
OF
RESISTANCE
IS
OHM
(2)
-BNBI
K=1000
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M=1000
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THE
UNIT
OF
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IS
MICROFARAD
(uF).
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THIS
SCHEMATIC
DIAGRAM
MAY
BE
MODIFIED
AT
ANY
TIME
WITH
THE
IMPROVEMENT
OF
PERFORMANCE.
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9A06252100
9A06249800
9A06251700
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MOTOR
>
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DECK
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Description
=...
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Remarks
VANUAL..
IN
.
MANUAL,
INSTRUTION,MULTI
18

EXPLODED
VIEW
20
19

EXPLODED
VIEW
[[R-H500]
|
Ref.
No.
INCLUDED
ACCESSORIES
Ref.
No.
ah
OND
—
21
22
23
24
25
26
27
28
29
30
31
32
33
34
$1
$2
S3
$4
S5
S6
$7
$8
S9
$10
$11
$12
$13
$14
Part
No.
9A06249500
9A06249100
9A06249200
9A06251600
9A06251500
9A06311
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9A06311
4200
9A06227400
9A06311
4500
9A06311
4300
9A06239700
9A0631
4400
9A05961600
9A06253000
9A06229100
9A06315500
9A06229300
9A06255300
9A06251100
9A06315400
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9A01376900
9A05328100
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9A06250300
9A06224200
9A06228400
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9A06314100
9A06252800
9A06253500
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9A05339200
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9A01377300
9A01535800
9A06234700
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9A06053800
9A06054200
PAN
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Description
ORNAMENT,
DOOR
BASE,
8
WINDOW
|.
BAR,
SIDE
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FRONT
(MOLD)
AD-77
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KNOB,
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a
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Description
MANUAL,
INSTRUCTION
UPN]
MANUAL,
INSTRUCTION
[NUTE]
|
Remarks
~
Remarks
ELECTRICAL
PARTS
LIST
MAIN
PCB
ASSY
Ref.
No.
BN31
BN88
D351
,352
D701,702
D703
D704,705
D707
D708
D802-806
D808
D809-813
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Q508
Qs509
Q510
Q511,701
Q702
Q703,704
Q705
Q706
Q707
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No.
9A06256800
9A06257500
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MECHANISM
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F701
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No
Part
No
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9A06066800
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9A06067000
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9A06066900
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9A06256400
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9A05196500
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906066900
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9A05338100
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9A05338000
T301,302
9A01422800
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9A03746600
T502,503
9A06252300
VRO01,02
9A05317400
VR31,32
9A05317400
VR51,52
9A05317400
VR84
9A05317600
X
801
9A05192900
|
SUB
PCB
ASSY
Ref.No.
_
Part
No.
D814
9A05195000
§$801-812
9A04882500
$813
9403748000
CN31
9405329700
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9A06257100
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9A06257200
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Ref.No.
—_..
Part
No.
9406257000
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9A06252600
.
9A06315800
Description
TR,KTC3227YT
TR,DTC144EST
TR,DTC114YST
TR,2SA933SR
TR,DTC114YST
TR,DTA144EST
TR,DTC144EST
TR,DTC144TST
-TR,DTA144EST
-TR,DTA114YST
_TR,KSA928AYT
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TR,DTA144EST
R,
METAL
OXIDE
FILM
1W
22
R,METAL
OXIDE
FILM
1W
10°
COIL,
MPX
COIL,
BIAS
SM10F
COIL,
HX
PRO
126AN-KS5
18
R,SEMI
FIXED
EVNDJAA03B14
R,SEMI
FIXED
EVNDJAAO3B14
R,SEMI
FIXED
EVNDJAA03B14
R,SEMI
FIXED
EVNDJAA03B23
CRYSTAL
Description
LED,RED
SLR342VCF02
SW,TACT
SKHV10910A
SW.
JC-75
“WAFER
MOLEX53014-0610
WIRE
ASS'Y
WIRE
ASS'Y
WIRE
ASS'Y
F.1LP
TR,
DTA114YST
VOLUME,ROTARY
Description
WIRE
ASS'Y
WIRE
ASS'Y
WIRE
ASS'Y
WAFER
~
Description
WIRE
ASS'Y
FUSE
2CO0630TLE
[DM]
FUSE
2C0315TLE
[EUR]
TRANS,
POWER
[DM]
TRANS,
POWER
[EUR]

REC
PCB
ASSY
Ref.
No.
BN41
C41
CN41
Part
No.
9A06256900
9A05195800
9A06250900
9A06053800
~9A06054200.....
Description
WIRE
ASS'Y
IC,KA4558S
WAFER
MOLEX53014-1310
OWNERS
MNL,R-H500
JAPAN
OWNERS
MNLR-H500
MULTI
|
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23
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