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_LJI',4-/L._UHII III I I II I I I I _ II III
EQUIPMENT FOR ADJUSTING
AND CHECKING
1) MEASURING TAPE ........ TYPE NAME, BRAND AND USES
TYPE NAME BRAND USES
TW-2111A!2121A SONY Checking the Take-up Torque and
Back Tension.
TY-2231 SONY Checking the FF and REW Torque.
GR-2/60 DENON Checking the FFand REW Times.
TCC-153 A-BEX Adjusting the Azimuth.
TY-224 SONY Checking and Adjusting the Tape
Speed.
TCC-130 A-BEX Adjusting the Playback Level.
TCC-162/262B A-BEX Checking the Playback Frequency
Response.
TCC-902 A°BEX Transport checking cassette tape.
2) MEASURING INSTRUMENT
Tension gauge
Audio signal generator
Variable resistance attenuator
Electronic voltmeter
Oscilloscope
Frequency counter
Adjustment screwdriver
Trap coil adjustment square stick
NOTE FOR PARTS LIST
ePart indicated with the mark " @ "are not always in stock and possibly to take a long period oftime for supplying, orin some
case supplying of part may be refused.
eWhen ordering of part, clearly indicate "1" and "r' (i) to avoid mis-supplying.
eOrdering part without stating itspart number can not be supplied.
ePart indicated with the mark "*" is not illustrated intheexploded view.
eNot including Carbon Film :!:5%, 1/4W Type inthe P.W.Board parts list. (Refer tothe Schematic Diagram for those parts.)
WARNING:
Parts marked with thissymbol _ _1 have critical characteristics.
Use ONLY replacement parts recommended by the manufacturer.
• Resistors • Capacitors
Ex.: RN 14K 2E 182 G FR
Type Shape Power Resist- Allowable Others
1 andper" 1 ance error 1
formance
RD Carbon 2B 1/SW F :±1% P : Pulse-resistanltype
RC Composition 2E :1/4W G ±2% NL : Low noise type
RS : Metal oxide film 2H :1/2W IJ ±5% NB : Non-burmng type
RW Winding 3A : lW JK :±10% FR Fuse-resistor
RN : Metal film 3D 2W M t20% F :Lead wire forming
RK Metsl mixture 3F 3W
3H :5W
Resistance
1 8 2 -- 1800 ohm -- 1.8 kohm
_t_ "1--- Indicates number of zeros after effective number
2-digit effective number.
• Units: ohm
1 R 2 -- 1.2ohm
T [__. 1-digit effective number.
2-digit effective number, decimal pointindicated by R.
a Units: ohm
Capacity (electrolyte only)
2 2 2 -- 22001tF
T t[__ Indicates number of zeros after effective number
2-digit effective number
a Units: p.F.
2 R 2 -- 2.2p.F
T -- 1-digit effective number.
2-digit effective number, decimal point indicated by R.
• Units: p.F.
EX.: CE 04W 1H 2R2 M BP
Type Shape Dielectric Capacity Allowable Others
and per- strength error 1
formance _ ___J
CE Aluminum foil
electro:ytlc
CA : Aluminum solid
electrolytic
CS :Tantalrn electrolitic
CO Film
CK Ceramic
CC Ceramic
CP Oil
CM Mica
CF Melahzed
CH Melalized
OJ : 83V
rA lOV
lC : 16V
tE 25V
1V 35V
IH :50V
2A 10OV
2B 125V
2C 160V
2D 20OV
2E 250V
2H :500V
2J 630V
F ±1%
G ±2%
J ±5%
K ::t10%
M ±20%
Z : +80%
-20%
P +100%
-0%
C ÷O25pF
O ±05pF
-- : Others
HS : High stability type
BP : Non-polar type
HR : Ripple-resistanl type
OL : For charge and discharge
HF :For assuring high
frequency
U :UL part
C :CSA part
W UL-CSA lype
F Lead wire foming
* Capacity (except electrolyte)
V 2 2200p.pF - 0.0022pF
L (More than 2) -- Indicates number of zeros after effective number
2-digit effective number
e Units: pF
2 2 I -- 220PF
T L(0 or 1) -- Indicates number of zeros after effective number.
2-digit effective number
e Units: PF.
e When the dielectric strength is indicated in AC, "AC" is included after the
dielectric strength value.
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