Sony TA-F4A User manual

GENERAL
Power Requirements:
Power Consumption:
Dimensions:
Weight:
AMPLIFIER SECTION
Continuous RMS
Power Output:
(Less than 0.3% THD,
both channels driven
simultaneously)
AEP Model
INTEGRATED
STEREO
AMPLIFIER
SPECIFICATIONS
220V ac (or 120V ac by internal rewiring),
50/60 Hz
170W
Approx. 410 (w) x 145 (h) x 310 (d) mm
165/16 (w) x 53/4 (h) x 12 1/5 (d) inches
including projecting parts and controls
Approx. 7.2kg, 15 lb 14 0z (net)
Approx. 9kg, 19 lb 14 0z (with shipping carton)
At 1kHz
40+ 40W (8)
At 26—20,000 Hz
40 + 40W (829)
According to DIN 45500
45+ 45W (8)
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND A
MARK ON THE SCHEMATIC DIAGRAMS, EXPLODED
VIEWS AND IN THE PARTS LIST ARE CRITICAL TO
SAFE OPERATION.
REPLACE THESE COMPONENTS
WITH SONY PARTS WHOSE PART NUMBERS APPEAR
AS SHOWN
IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
Power Bandwidth:
Damping Factor:
Harmonic Distortion:
IM Distortion:
(60 Hz: 7 kHz
= 4:1)
Frequency Response:
Residual Noise:
5—35,000 Hz, IHF
35 (82, 1kHz)
Less than 0.3% at rated output
Less than 0.1% at 1W output
Less than 0.3% at rated output
Less than 0.1% at 1W output
PHONO RIAA equalization curve +0.3dB
TUNER
AUX
TAPE 1.
TAPE 2
(REC/PB)
Less than 300uV (89, network A)
5—100,000 Hz + 0.50B
— Continued on next page —
SON Y.:
SERVICE MANUAL

TA-F4A
Inputs:
Maximum
Input S/N
Sensitivity | Impedance | Capability
{0.2%
distortion)
(weighting
network,
input level)
2.5mV 150 mV 80 dB
PH
nee {-50 dB) (-14.5dB) (A, 2.5mV)
TUNER
AUX
TAPE 1
TAPE 2
(REC/PB)
150 mV
(-14.5 dB)
Outputs:
Output Level Impedance
150 mV
E :
REC OUT 1 (-14.5 dB) 4.7k2
REC/PB poe 82k2
Accepts low and high impedance stereo
headphones
SPEAKER Accepts speakers of 8-162
HEADPHONES
Tone Controls:
Filters:
BASS +10dB at 60 Hz (turnover
frequency 300 Hz)
TREBLE +10dB at 25kHz (turnover
frequency 5 kHz)
LOW 6dB/oct. below 15 Hz
HIGH 6dB/oct. above 9 kHz
0dB=0.775V

1-1. SERVICING NOTE
SECTION 1
OUTLINE
When
replacing
a
knob
(
SPEAKERS
/
TREBLE
/
BASS/BALANCE/FILTER/TAPE
COPY/MONITOR/
FUNCTION),
prepare
a
knob
cap
(4-854-266-00)
and
a knob mold (4-854-267-00).
Installation of the knob is as follows.
SPEAKERS
TN
@
Coincide
a
slit
with
a
mark.
Knob
Mark
Position
Y
i)
TAPE COPY
li MONITOR
slit FUNCTION
0 Turn.
knob mold
1-2. BLOCK DIAGRAM
Sate.
S$2-1
FUNCTION]
[MONITOR
TUNER
J101
£Q
AMP
PHONO
PHOWO
Qlol~
103
J102
Tua]
©
4103
ag
|e
s3
[TAPE
COPY
rare
7
@
“o
TAPE
1-2
31-1
SOURCE
OTAPE
2~1
©
TAPE
1
+2
105
REC
OUT
1]
O-
o=hO
TAPE
21
CNJ4
$3-2-|
TAPE
2
CREC/PB)
SOURCE BALANCE
R-CH
@ R-CH IS OMITTED
TAPE 1 RV 201
RV1
VOLUME }
OTAFE 2
ORIVE AMP,
B+
RIPPLE
EQ AMP,
, FILTER
Be ato4
DRIVE AMP,
B-
RIPPLE
EO AME, FILTER
B= Q105
POWER AMP
Q201
DRIVE AMP
1¢ 204
POWER AMP
Q202
TA-F4A
—@ If necessary, widen the slit.
@ Coincide @ with the mark
and install the knob cap.
knob cap
Part No. Description
X-4854-213-1 Knob Ass’y
including;
4-854-266-00 Cap, knob
4-854-267-00 Mold, knob
s5
POWER AMP,
B+
POWER AMP,
SPEAKERS
TM 101
° [SPEAKER A
TM 102
8 SPEAKER B
3401
ey
fo] HEADPHONES
$6
3 EH)
TA-F4A
SECTION 2
DISASSEMBLY
Note: Follow the disassembly procedure in the
numerical order given.
CASE AND BOTTOM COVER REMOVAL
Case: @ to O
The component side of the speaker board and!
main amp board can be checked.
Both
side
of
the
EQ
amp
board
can
be
checked.
Bottom Cover: @ to @
The conductor side of the main amp board
can be checked.
@ screw, © BW4x12
© BVTT 3x6
screw, ©) BW 4x12
@ BVTT 3x6
FRONT PANEL REMOVAL
The POWER switch, meters and variable resistors
can be replaced, after removing the front panel.
METER LAMP REPLACEMENT
Note: To obtain the same brightness of meter
lamps, replace both lamps (L-CH and
R-CH) together with new ones.
C1) adhesive tape
(transparent)
C3)
knobs
(with 2mm L-shaped
hexagona/ wrench)
@ 1-518-309-00
meter lamp
e BVTT 3x6 meter cover

TA-F4A
TA-F4A |
slit.
nark
my
INES
SECTION 2
DISASSEMBLY
Note: Follow the disassembly procedure in the
numerical order given.
CASE AND BOTTOM COVER REMOVAL
Case: @ to @
The component side of the speaker board and!
main amp board can be checked.
Both side of the EQ amp board can be checked.
Bottom Cover: @ to @
The conductor side of the main amp board
can be checked.
@ screw, @© BW4x12
OQ BVTT 3x6
FRONT PANEL REMOVAL
The POWER switch, meters and variable resistors
can be replaced, after removing the front panel.
knobs
(with 2mm L-shaped
hexagonal wrench)
@ BVTT 3x6
METER LAMP REPLACEMENT
Note:
To
obtain
the
same
brightness
of
meter
lamps,
replace
both
lamps
(L-CH
and
R-CH) together with new ones.
@ adhesive tape
(transparent)
meter cover
@ 1-578-309-00
meter lamp
SECTION 3
ADJUSTMENT
| TA-F4A
DC Bias Adjustment
Note: 1. Perform adjustments a few minutes
passed after POWER switch turned ON.
2. With no signal input.
Adjust RT201 for
11 mV dc reading
on VOM.
RT201
(L-CH)
Meter Level Adjustment
Setting:
VOLUME control: maximum
Procedure:
l.
af osc
oo
attenuator
100k2
82
(1W)
page)
oO
i e)
O—O O Ne
scoot = Fiz te
ea teasl SPEAKER
Adjust
attenuator
for
2.83V
(1
W)
reading
on
VTVM.
Adjust
RT401
(L-CH)
and
RT451
(R-CH)
so
that
meters
indicate
1
W.
Adjust RT251 for
11 mV dc reading
on VOM.
RT251
(R-CH)

TA-F4A
SECTION 4 4-1. MOUNTING DIAGRAM
DIAGRAMS _
C VOLTAGE SELECTOR BOARD
(COMPONENT SIDE )
CINPUT BOARD}
(CONDUCTOR
SIDE)
(GRN)
Ic201, 1C251 BLOCK DIAGRAM
Yt
CURRENT
MILLER
OF
bern
DIFFERENTIAL
BIAS
at
AMP 2 CIRCUIT
B-CLASS
DRIVE
AMP
Ji52 «J 153
a, WHT |WHT {feo AG:
FF
CHASS!S
GROUND
[C MAIN AMP BOARD J
(CONDUCTOR SIDE) 0251 9202
;
R218.
Ik
ard
feo
eS
y
oe
22cm
oo
Ge
HO
’
ae
ay
40
Vs. Nace F oe R220
: Z | : 0.22( 2W)
{EQ AMP BOARD J
(CONDUCTOR SIDE)
JAPAN
DC BIAS
CHECK
Cat ms Ls < ==) (0.01/500V
= -40V
RIG2 33k x
C160 -47/16V.
€264°-47/10V-
OO ve
gerne
"0259 palo ©
Senn
C266 '§
tov
J nN
n
ar
DB
DN 4
IN
=O
c209 C210" 259°
6.012 | 750p 0.012
R229 330
BALANCE
101 ia a at aia 252 251 209 208 202 201
105 1€251 1C201 207
102,103
104
152,
153
253
203-206
204
205
264. 262 26! 263 206 207 214-212 21 213 203, 201 2
259 260 210 209 205 208 202, 204

(GRN)
1C201, 1C25!
DIFFERENT!
AMP |
BLOCK DIAGRAM
CURRENT
MILLER
DIFFERENTIAL
AMP 2
B-CLASS
DRIVE
AMP
BIAS
CIRCUIT
C VOLTAGE SELECTOR BOARD)
(COMPONENT SIDE )
B-CLASS
DRIVE
AMP
C MAIN AMP BOARD
(CONDUCTOR SIDE)
RVI 100KA)
2V203 100k
aA AE |
im
1C251 252 C201 251 209 208 202, 20
253203 206 204 205
BONS » 2206 261 263 206 207 214212 Zul 213 203, 201 se
259 260 210 209 205 208 202, 204
ARR
tk
(SPECIAL)
ad a LL
POWER] ON OFF
CHASSIS GROUND
Note:
O—: parts extracted from the component side.
@—: parts extracted from the conductor side.
™: part mounted on the conductor side.
: B+ pattern
Signal Path
oe ee | LCH
meee me op > R-CH
meee © L-CH or R-CH
Color code of sleeving over the end of the jacket.
fn
J401
[HEADPHONES]
ES
[i2]
401 402
451 452

4-2. SCHEMATIC DIAGRAM
Jil
CINPUT BOARD]
104
| ee
J05
aa
REC OUT] ROP BOK
CNJ!
TAPE 2
REC/PB
QIOl 28C2129
EQ AMP
CEQ AMP BOARD ]
Ql02 2SA872 = Q103._ 2SCi632
AMP
23V_EMITTER FOLLOWER
$2
MONITOR
TAPE 2
CMAIN AMP BOARD }
SOURCE
TAPE |
S2-]
Reve ie BALANCE
+
C202 0,22
om
$3
TAPE
COPY
TAPE 2>1
SOURCE
{
TAPE |+2|
lis)
REC OUT!
a
R-CH
Jt5I
QISI_ 2sc2i29
EQ AMP
RIS) cist W
RIS3
aes bo152
oy
20V
QI5I
t)
~06V
$ C153
RIS4.
C160
QH2 2SA872_ QIS3._2SCI632
AMP 23V
Ciba RIG si
20.6V
ise
a
Kc) 0153
(je
css | Ss
L6V"L_ayy
RIGO
RIS? RIS
C156 CIS? RI5g
H
SRi6l RIGS:
EMITTER FOLLOWER
$3 [TAPE COPY
TAPE2—> |
SOURCE
TAPEI—= 2
n
Ny
MONITOR
R252
——J
R254 [BALANCE]
C252
$4-2-2
iN
S4[FILTER
LOW
‘
R
104
J
(M)
RVI
100k(A)
(C201 CXI7] =O2I3 MVIZN_ Dil IS2076A D214 M
DRIVE AMP
C1986 Q203,204,206, 207 2:
AMP PROTECTOR
wens A
RV2
(A)
Ri
100K {C253 OV, [Ic
b
DIFFERENTIAL
AMP 2
DIFFERENT
AMP
VAL
|
CURRENT
=
BIAS
CIRCUIT
VI2N = -D2I2 IS2076A = Q201 2SA77I = Q202 25!
POWER AMP POWER
40
OC BIAS
CHECK POINT
0208 MV203V —
2 (SPEAKER BonRD 1 [ETE
SCE34A,, gy 0205 25K678 .
y PROTECTOR [S401 Bags ay RIM! 22
= ||! =
0207 ISIS555
CHASSIS
GROUND
osqy C251 CXI71 == .D263. MVI2N
DRIVE AMP
(3)
R256 K | J oerenentiat
= ANP |
7 REG CURRENT
Red
©
4
| | ot faal
R255:
@)
7251
47k
DC BIAS
C2u, 0.2 (
RV203
100k
0209 ISI555
D210 1T22A
R230 47k
SPECIAL}
D261 IS2076A
D264 MVIZ2N =: 262 IS2076A = Q25I 2SA77I
POWER AMP
40v
25!
role
tae |
R270
c2i9
55 O/ev
~234V
100k
(SPECIAL)
C259
0259 ISI555
D260 IT22A
Q252 2SCI986 Q253 2SC634A
POWER AMP PROTECTOR
Cie
100
25V
ft
C3
} 105 2SA678
RIPPLE FILTER
av
0205
0206
24v
R310 22k
| lo 7 SO A\
Av
C304
4
25v
D201~204 SIBOI-B
RECT
2.2/50V jk (aw) 040!
I)
R402
1.5k
wew)
S6-1
L401 ,22uH 4
rq i
a $5 [SPEAKERE
R401 A
LOUW/ew) ;
OFF
t
B
I] $5-2
L451 fs
O-O im —,
R451
| a
R455
eee
R405
RAL Cassee “470
W2W)
403. $R454
0033 Iles
~ METER
LEVEL
cas! pagg nasi RUS
R452
D215 SIBO-B
0205,206
EQAOI-25
|
\ POWER
(308
(0.01/500V) x2
ame a
0203 0201
0204 020:
coo!
0.047/300

/OLUME
RVI
100k (A)
D213 MVI2N ——D2II IS2076A D214 MvI2!
R205
7
C218
al
ASS
OUN!
C201 CXI71 VEL
23.4V DRIVE AMP
a0v i it fo Inia 0401
R208 gl A , j
I Nr22offe]] © % oc Bias
om i cuaO Da tee D208 MV203V 0207 1SI555
+ Q Nor Rage
1M 3a4y me 390V wew)
6206 02 tO)
Gar
palt
AV
ee
BPA
i
R22
$5-1
mo
L-CH
™ or 150 L401 1.22uH fs 0
B.5V
lesa
aN
sRele
Rees
1
<=
0
it
O— 27k cas
0,0033 H $5 SPEAKER A
x ae = 0209 ISI555 49, a
6:
;
“Tr
"as
eh
D210
IT22A
oF
O7—- [eet H+ )
Mi
oon
I
s5-2
B- CLASS nas A\ i Last TMI02
DRIVE AMP 5 Bl 2
aR bee ae RY201 | To] | 3
\ L
R303 LZ] $15 |u
2
228
re
pee
RAS
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es
SPEMER
> O
4
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13V
|
74
aaa
fi
C204
R306}
!
O—+0
—+ C2i2 1. 470
R304
33/25V
0018
pele
30-476
lov
0208
22k
(2W)
R455
f i
Gaur 1 ay AS 0204 ze G30e ie 0207 Ja oy ' ait ae
41 ie ‘0214 301 V 0453 470
a (yr 220 OV ) i) Be 1) mn A) + ln (W2W)
iq)
ae
R50
cag3
R454
|
40
~384V
yt
100/104
io
DOS
t-&AV[]
(HEADPHONES)
C219 METER oes
Al R209 Rete 8 2 pee LEVEL a
A C45 pag vast RTOSL
1S
SS
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p
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Rabe |
eeereen ver os
D215 SIBOI-B
osay
IC251
CXI7L
D263
MVIZN
—D26I
IS2ZO76A
0264
MVIZN
262
IS2076A
Q251
2SA77\
fm
+ a
“DRIVE
AMP
;
POWER
AMP
EAN 1 @o aor AL F202
R267 4ov R270 al AP oc Bias 18 1A
0251 F | © of CHECK POINT
: (y\>39v
0263! S8AV me C)
0261 8% ov
B—CLASS R263 A\
DRIVE AMP
~8iV RT
my Oe Axrzsi FF] D259 1SI555
DC BIAS re R264 D260 IT22A
AW
= T (264,
C260
R281
(254
R280
cage R275 base ov GF
reap 78 R265 >
avose sk R279 R276 Rv253 1 0253
Cas 100k C261 1,-,(00K ay 10264 0252 (v5 *
(SPECIAL) (SPECIAL) a ov qd) 13V
ini gee! @ (266
6259 ROWSE ROTA agi NS il
Q252 2SCI9B6
POWER AMP
Q253 2SC634A
PROTECTOR
TER|
~ - | | KSPEAKER BOARD } [ME
N
=
D212
IS2076A
—Q201
2SA771
—Q202
2SC1986
Q203,204,206,207
2SC634A.,,
.,,
Q205
2SA678
ie
ue
POWER
AMP
POWER
AMP
PROTECTOR
:
PROTECTOR
C401
R403
RT401
2.2k
Cil2
100 us
25V
C3
47
25v
it
cil4
47 is)
20
RIIZ.
{ EQ JAMP BOARD }
0206 305
4
25v
2ay em lA
Rau 24)
Aik
S
209 I
QI05 2SA678
RIPPLE FILTER
~40V
0205,206
EQAOI-25
308
(0.01/500V) x2
oP
‘
ae >
0263 020i
0204,
0204
uH_~+_
C309
(0.01/500V)x2
!
}- 23.4V
Q209 2SA678 = D201~204_ SIBOI-B
REG RECT
4
=
y)
mus)
40V =
x S
ole)
RED
F201
SISA
cool
0.047/300V
E VOLTAGE SELECTOR
BOARD
BRN 0 OFF
N
CNP2
~AC II
TA-F4A
ote: The components identified by shading and /\ mark
are critical for safety. Replace only with part number
specified.
Note:
@ Components for right channel have same values as for left
channel.
e All capacitors are in uF unless otherwise noted. pF = nuk
SOWV or less are not indicated except for electrolytics.
e All resistors are in ohms, %W unless otherwise noted.
kQ = 10002, MQ = 1000 kQ
e All adjustable resistors have characteristic curve B, unless
otherwise noted.
e -f4} : nonflammable resistor.
© ome: B+ bus.
e : panel designation.
e ((__) : adjustment for repair.
© meme: B- bus.
@ Voltages are dc with respect to ground unless otherwise
noted.
@ Readings are taken under no signal conditions with a
VOM (20k2/V).
e@ Voltage variations may be noted due to normal produc-
tion tolerances.
e Switch
Position
Switch
PHONO
SOURCE
SOURCE
FUNCTION
MONITOR
TAPE COPY
FILTER OFF
SPEAKERS A
POWER OFF
D201—204
oe \: U05G (S1B01-B)
cathode cathode
D207, 209 \:
~ D259 :
a D210, 260
“ DW. D401, 451 \
ano aa D402, 452
D211, 261 \
D212, 262
D205
none t EQB01-25 (EQA01-25)
cathode
lq
og
a, -
‘andile
anode
Replacement Semiconductors
For replacement, use semiconductors
except in( —).
0101,151: 2SC2129
Q103,153: 2SC632A (2SC1632)
a104: 2SC634A (2SC1634)
203, 204 ).
Goo 907 ‘ 2SC634A
: :
al
E
Fe %s
Q102,152: 2SA705-8 (2SA872)
c c
6) ©)
E E
Fc
E—E
CB
0105, 205).
cons ie 2SA678
Cc
)
E
E cy
Q201, 251: 2SA771
c
HEL.
E
ac F
Q202, 252: 2SC1986C (2SC1986)
1C201,251: CX171
14131211109 8
1234567
{Top view)
D208: MV203V
K
1S1555
anode cathode
1722AM (1722) Ls E
1S2076A
D213, 263 ) .
ay Bod. Seah MV12N .
cathode
{~
anode

TA-F4A |
4-3. MOUNTING DIAGRAM — Speaker Board —
— Conductor Side —
METER
LEVEL
: (Ligs
R402.
1.5k
(1/2W),
ie
smart
AA
anensmennn
cated
“Jcaog
Tzz/iev
©. 2:2 [30d :
R403 Hk (I72wy oe , 9401
C451
F
—
R453.
1k
(1/2W)
ee
|
eh
OA
i
2.2/50V.
PR)
-
—@.
om
ce tf © R452 15k (1/2) 0451...
8
Weare
CO
ok
Om
. .
04520
ae
nf
ea
Oe
Oe
RT4SE
CB
fe
RASA
eee
22k
casa
|
‘(BLK
= S
METER]: 22716V
LEVEL
(Rs
L451 L.22yH
Q
wz
o
R451. 10.172)
ow
mt (so i
Zz
SH
L401
L22pH |
R404 10(1/2W)
J401 | HEADPHONES

| TA-F4A
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TA-F4A
SECTION 6 Note: Circled letters (@ to (Z)) are applicable to
ELECTRICAL PARTS LIST —_£¥"oP#2" models ony.
Ref. No. Part No. Description Ref. No. Part No. Description
COMPLETE CIRCUIT BOARD CAPACITORS
A\A-4394-115-A © Voltage Selector All capacitors are in uF and electrolytic unless
otherwise noted. :
SOWV or less are not indicated except for
SEMICONDUCTORS electrolytics. p= uF
cool A\1-108-749-12 0.047. 300V. mylar ,
Transistors C101,151 —-1-121-651-11 @ 10 16V
C102,152 —-1-102-903-11 @) 100p ceramic
Qi01,151 ® 28c2129 C103,153 —-1-121-938-11 @) 470 10V
=> Q102,152 © 28A705-8 C104,154 ~—-:1-121-414-11 ® 100 10V
=> Q103,153 ® 28C632A C105,155 1-102-971-11 @ 82p ceramic
=> Q104 2SC634A
QL05 © 28A678 C106,156 —-1-108-359-12 @ 0.027 mylar
C107,157 —-:1-108-576-12 @) 0.0075 mylar :
Q201,251 © 28a771 C108,158 =: 1-123-232-11 @) 4.7 25V (nonpolarized)
=>
Q202,252
©
28c1986c
C109,159
—-1-108-227-12
@
0.001
mylar
Q203,204 2SC634A C110,160 ~=—-:1-121-409-11 @ 47° 16V
Q205 © 2SA678
Q206—208 2SC634A C111,112 —-1-121-935-11 ®) 100 25V
Q209 © 28A678 C113,114 ~—-1-121-410-11 ® 47 25V
ICs C201,251 —-1-108-232-12 @) 0.0033 mylar
C202,252 — 1-108-254-12 0.22 my lar
1C201,251 @® cxi71 C203,253 —-1-121-391-11 @ 1 50V
204,254 =—-1-121-392-11 @ 3.3 25V
Diodes C205,255 —-1-102-971-11 @ 100p ceramic
=> D201—204 U05G C206,256
=> D205,206 EQBO1-25 C207,257 pee ee) oa
D207 181555 C208,258 — 1-108-244-12 @) 0.033 mylar
D208 MV203V C209,259 —-1-108-357-12 @) 0.012 my lar
D209,259 181555 C210,260 —-1-104-074-11 @) 750p polystyrol
=> D210,260 (@) 1T22AM C211,261 —‘1-108-605-12 @) 0.12 my lar
D211,261 io7bh C212,262 —-:1-108-358-12 @) 0.018 my lar
D212,262 C213,263 —-:1-108-239-12 @) 0.01 my lar
D213,263 aia C214,264 —1-121-409-11 @) 47 10V
D214,264 C215,265 —1-108-232-12 @) 0.0033 my lar
=> D215 U05SG
C216,266 =-1-121-414-11 @) 100 10V
=> p401,451 C217,267
ae (@) 1T22AM sig 2 Melee @ 47 10V
C219 1-121-651-11 @ 10 16V :
C301 1-121-981-11 220 6.3V
C302,303 ~—-1-121-414-11 @ 100 10V
e@ =: Due to standardization, interchangeable replacements may
be substituted for parts specified in the diagrams.
Note: The components identified by shading and A, mark
are critical for safety. Replace only with part number

Ref. No. Part No. Description
C304,305 —-1-121-410-11 @ 47 25V
€306,307 A\ 1-125-157-11. ©) 6800 42V.
C308,309 —-:1-102-355-11 0.01+0.01 500V ceramic
C401,451 —-:1-121-450-11 @) 2.2 50V
C402,452 = 1-121-479-11 (@) 22 16V
C403,453 1-108-244-12 (A) 0.033 mylar
RESISTORS
All resistors are in ohms. Common %W carbon
resistors are omitted.
Refer to the list on page 19 for their parts numbers.
Check schematic diagram for values.
k= 1000
R208,258 A. 4.7K %W carbon
1-211-559-11 ;
R209,259 A\ © (nonflammable)
R210,260. A\ 100 %W_ carbon
os 1:211-522-11 oe .
R21 126 A ® (nonflammable)
R213,263 A\ 1-211-502-11 15 %W. carbon
wae ne hth : (nonflammable)
R216,266 A 1-211-526-11. © 150 %W~ carbon
none ‘s ; (nonflammable)
R219,269
0.22
2W.
wirewound
Eee ym 1-217-151-11
R220,270 A\ (nonflammable)
R306. AA 1-206-656-11 (A) 470 2W metal oxide
(nonflammable)
R308
A\1-211-498-11
@
10
%W
carbon
(nonflammable)
R309,312 A\ 1-211-524-11. @ 120 %W. carbon
(nonflammable)
R401,451 —1-212-372-11 @ 10 %W carbon
R402,452 —-1-213-145-11 1.5k %W~ carbon
R403,453 —-1-213-143-11 1k %W carbon
R404,454 — 1-212-372-11. @ 10 %W carbon
R405,455
—
1-213-139-11
@
470
%W
carbon
RT201,251 1-224-186-31 47k (B), adjustable; DC bias
RT401,451 1-224-250-XX © 2.2k (B), adjustable; meter level
RV1,2
1-226-201-00
()
100k
(A),
variable;
VOLUME
RV201,251 1-226-215-00 © 100k (N/M), variable; BALANCE
TA-F4A
Note: Circled letters (@ to @) are applicable to
European models only.
Ref. No. Part No. Description
RV202,252
1-226-213-00
O
100k
(special),
variable,
TREBLE
RV203,253
1-226-214-00
©
100k
(special),
variable;
BASS
SWITCHES
$1
1-552-375-00
(©)
Rotary
Slide,
FUNCTION
$2,3
1-552-373-00
©)
Rotary
Slide,
MONITOR,
TAPE
COPY
S4 1-552-374-00 (© Rotary Slide, FILTER
$5
1-552-372-00
(©)
Rotary
Slide,
SPEAKERS
S6
A\..
1-552-206-11.
©
Pushbutton,
POWER
JACKS
J101-103
1-507-430-XX
(©)
Phono,
6p;
PHONO, TUNER,
AUX
J151-153 iD) Phonoj ep
J104,154
: -507-433-2 :
1105,155) 1-507-433-21 © Phono, 4p; TAPE 1, REC OUT 1
J401
1-507-56
1-00
Binaural,
HEADPHONES
MISCELLANEOUS
CNJ1
1-509-549-00
Connector,
REC/PB
(TAPE2)
CNP2 A\~ 1-509-546-00. © Connector, 3p; AC IN
F201 A\_ 1-532-237-00 @) Fuse, 3.15A
F202 AA 1-532-078-00 @ Fuse, 1A ~
ME1,2 1-520-320-00 () Meter, including lamp
RY 201 1-515-302-00 () Relay
Tl A 1-446-051-11 © Transformer, power
TM101,102
1-536-524-00
©)
Terminal
Strip,
SPEAKER
A,
B
1-518-309-00 Lamp, included meter
A 1-533-131-00 @) Holder, fuse
e
components
identified
by
shading
and
/\
mark
are critical for safety. Replace only with pat n umber
specified.
1
|

TA-F4A
Note: Circied letters (® to @) are applicable to
European models only.
ACCESSORIES & PACKING MATERIALS
Part No.
3-701-020-00
3-770-455-11
4-853-916-00
4-854-329-00
4-891-037-00
Description
(A) Bag, plastic; instruction manual
(© Manual, instruction
Cushion
© Carton
Bag, plastic; unit

TA-F4A
Note: Circled letter @ is applicable to
European model only.
1/4 WATT CARBON RESISTORS )
Q Part No. Q Part No. Q Part No. | 2 | PartNo. | Q
1-244-601-11
|
10
|
1-244-625-11]
100
|
1-244-649-11
|
1.0k
een
10k
|
1-244-697-1311
|
100k
|
1-244-721-11
i
.OM| 1-244-745-11
-1Mj 1-244~-746-11
.2M| 1-244-747-11
.3Mj 1-244-748-11
.5M} 1-244-749-11
1-244-602-11
|
11
|
1-244-626-12
|
120
|
1-244-650-1]
|
1.1k|
1-244-674-11
|
12k
|
1-244-698-11
|
110k
|
1-244-722-11
1-244-603-11
|
12
|
1-244-627-11})
120
|
1-244-651-11
|
1.2k|
1-244-675-11
|
12k
|
1-244-699-11
|
120k
|
1-244-723-11
1-244-604-11]
13
|
1-244-628-11]}
130
|
1-244-652-11
|
1.3k|
1-244-676-11
|
13k
|
1-244-700-11
|
130k
|
1-244-724-11
1-244-605-11
1-244-629-11
1-244-653-11}1.5k|
1-244-677-11
}
15k
|
1-244-701-11]
150k
|
1-244-725-11
= ee aw oo =
ttt
1.6
|
1-244-606-11
1-244-630-11
1-244-654-11
|
1.6k|
1-244-678-11
|
16k
|
1-244-702-1)
|
160k
|
1-244-726-11|1.6M|
1-244-750-11
1.8
|
1-244-607-11]}
18
|
1-244-631-11]
180
|
1-244-655-11
1-244-679-11
|
18k
|
1-244-703-11
|
180k
|
1-244-737-11
|1.8M,
1-244-751-11
2.0
|
1-244-608-21
||
20
|
1-244-632-11
|
200
|
1-244-656-11]
2.0k)
1-244-680-11})
20k
|
1-244-704-11
|
200k
1-244-728-11],2.0M|
1-244-752-11
9.2
|
1-244-609-11
|
22
|
1-244-633-11
|
220
|
1-244-657-11
|
2.2k|
1-244-681-11
|
22k
|
1-244-705-11
|
220k
|
1-244-729-11
2.2M)
1-244-753-11
2.4
|
1-244-610-11]
24
|
1-244-634-11]
240
|
1-244-658-11
|
2.4K)
1-244-682-11
24k
|
1-244-706-11
|
240k
|
1-244-730-11
|
2.4M|
1-244-754-11
2.7
|
1-244-611-11
])
27
|
1-244-635-11
}
270
|
1-244-659-11
|
2.7k|
1-244-683-11
|
27k
|
1-244-707-11
|
270k
|
1-244-731-11]}2.7My
1-244-755-11
3.0
|
1-244-612-11
]
30
|
1-244-636-11
|
300
|
1-244-660-12
|
3.0k|
1-244-684-11
|
30k
|
1-244-708-11
300k
|
1-244-732-1113.0M|
1-244-756-11
3.3
|
1-244-613-11
|
33
|
1-244-637-11]
330
|
1-244-661-11|
3.3k|
1-244-685-11
|
33k
|
1-244-709-11
|
330k!
1-244-733-11
|3.3M)
1-244-757-11
3.6
|
1-244-614-11
|
36
|
1-244-638-11]
360
|
1-244-662-11
|
3.6k}
1-244-686-11
36k
|
1-244-710-11
|
360k
|
1-244-734-11
]3.6M|
1-244-758-11
3.9
|
1-244-615-11
1-244-639-11
|
390
|
1-244-663-11
|
3.9k|
1-244-687-11
|
39k
|
1-244-711-11
|
390k
|
1-244-735-11}3.9M|
1-244-759-11
|
1-244-616-11
|
43
|
1-244-640-11]
430
|
1-244-664-11]
4.3k}
1-244-688-11
|
1-244-617-11
|
47
|
1-244-641-11],
470
|
1-244-665-11]
4.7k|
1-244-689-11
|
1-244-618-11
|
51
|
1-244-642-11}
510
|
1-244-666-11
|
5.1k|
1-244-690-11
1-244-619-11
|}
56
| 1-244-643-11
| 560
|
1-244-667-11
|
5.6k|
1-244-691-11
1-244-620-11
|
62
|
1-244-644-11]
620
|
1-244-668-11
|
6.2k|
1-244-692-11
|
43k | 1-244-712-11 | 430k} 1-244-736-11 | 4.3M) 1-244-760-11
47k | 1-244-713-11 | 470k} 1-244-737-11 |4.7M) 1-244-761-11
51k | 1-244-714-11 | 510k} 1-244-738-1115, 1M| 1-244-762-11
56k | 1-244-715-11 | 560k) 1-244-739-12
62k | 1-244-716-11 | 620k} 1-244-740-11
rs
aun &
wae NY &
1-244-621-11 | 68 | 1-244-645-11] 680 | 1-244-669-11 | 6.8k
1-244-622-11
|
75
|
1-244-646-11}
750
|
1-244-670-11
1-244-694-11
1-244-623-11)
82
|
1-244-647-11|
820
|
1-244-671-11]
8.2k|
1-244-695-11
|
3-244-624-11 | 91 | 1-244-648-11 | 910 | 1-244-672-11 | 9.1k| 1-244-696-11 |
68k | 1-244-717-11 | 680k} 1-244-741-1211
75k | 1-244-718-11 | 750k | 1-244-742-11
82k | 1-244-719-11 | 820k] 1-244-743-11
91k | 1-244-720-11] 910k} 1-244-744-11
1-244-693-11
oan on
= OO &
HARDWARE NOMENCLATURE
Screw:
~P3x
10
ro
t
Reference
Eames
Length
inmm
L
iif
L
Designation
Description
Remarks
D:
Diameter
in
mm
hot SELF-TAPPING
SCREWS
Int
‘5!
Type
of
head
“De
0
self-tapping
screw
ex:
TA,P
3x10
Indicated
slotted-head
only.
Get
eee!
y
3
pan-head
self-tapping
binding-head
self-
Inless
otherwise
indicated,
it
means
screw
tapping
(TA,
B)
screw
for
cross-recessed
head
{Phillips
type).
replacement
pan-head
self-tapping
binding-head
self
nae
fos
screw
with
washer
face
tapping
(TA,
B)
screw
and
Nut,
Washer,
Retaining
ring:
flat
washer
for
replacement
N3
pan-head
thread-rotling
]
binding-head
(6)
screw
and
Diameter
of
usable
screw
or
shaft
screw
with
washer
face
flat
washer
for
replacement
Reference
designation
SET
SCREWS
a
=
sc
&—}-
|
set
screw
Reference
han
sc
a
hexagon-socket
set
screw
ex:
SC
2.6
x
4,
hexagon
Designation
|
Description
Remarks
of
7
socket
2
9
*
SCREWS
NUT
pan-head
screw
binding-head
(B}
screw
for
N
-
nut
ay
replacement
i
tt
i
eB
pan-head
screw
with
binding-head
(B)
screw
and
WASHERS
washer
face
flat
washer
for
replacement
Ww
©
flat
washer
|
pan-head
screw
with
binding-head
(B)
screw
and
T
T
+
Loa
spring
washer
spring
washer
for
replace-
SW
CG
4
spring
washer
ment
-
-
iw
i
Fy
r
internal-tooth
tock
ex:
LW3,
intenat
pan-head
screw
with
binding-head
(B)
screw
and
Oo
washer
ep
spring
and
flat
washers
spring
and flat
washers
fo
replacement
J
LW
re
eer
nal
cot
lock
ex:
LW3,
external
(x)
round-head
screw
binding-head
(B)
screw
for
|
replacement
RETAINING
RINGS
:
Nz)
flat-countersunk-head
7)
retaining
ring
|
screw
yay
oval-countersunk-head
Q
grip-type
retaining
ring
screw
Sse.
fe
binding-head
screw
(B
truss-head
screw
binding-head
(B)
screw
for
(Bp
braizer-head
screw
j
replacement
flat-fillister-head screw
fillister-head screw
— 19 —