Sony TC-PB10 User manual

CASSETTEPLAYER
PlaybackSystem:
Fast-forward and
Rewind
Time:
Playback
Signal-to-
noise
Ratio:
SPECIFICATIONS
4-track
2-channel
stereo
Approx. 90 sec.
(with C-60cassette)
.With TYPE lV cassette
(Sony
METALLIC)
60 dB at peak level. . . USmodel
60 dB at peak level
(NAB) I
60dB
(DtN) J AtY' È'uK model
.With TYPE lV cassettF
(Sony
METALLIC)
20 - 18,000
Hz
30 - 16,000
Hz
(t 3 dB)
.With TYPE I cassette
(Sony
HFX) . . . US
model
Power
Output: US model
12W + 12W (70
Hz - 20,O00Hz,
1
%harmonic
distortion)
AEP,UK, E model
25W+25W(Music)
50W+50W(peakmusic)
14W + 14W (1 kHz,
1
%harmonic
distortion)
Harmonic
Distortion: O.OSo/"
14
W + 4 W)
lnputs; Microphone
input
(phone
iack)
Sensitivity
O.435
mV (-65 dB)
For a low-impedance
microphone
AUX IN
Sensitivity
435 mV (-S dB)
Input impedance
5 kf,ù
Outputs: Line
outputs
Output level
250 mV (*10 dB) at toad
impedance50 kf,ù
Load impedance
over 1Ok,fl
Headphone
output
Output level
380 mV (-16 dB) at a toad
impedance
of 8 f,lwith the volume level
maximum
- Continued
on page 2 -
Frequency
Response:
(Sony
BHF)
...
AEP,
UK,
Emodel
20
- 1t,oooHz
30
- 15.000Hz
(t 3
dB)
Wow
and
Flutter: 0.05
%
WRMS
.. .USmodel
i3:.i#Hi,(NAB)
IAEP,
uK,E
model
TapeTransportMechanism
Type I
TCM-110V5
il====l
rrr I
MICROFILM
ISERIJICE
MANUAL

TC-PB
I O
GENERAL
Power Requirements:
Power Consumption:
Dimensions:
US model:
12OV ac,60Hz
AEPmodel:
22OV ac,50/60
Hz
(24OV acadjustable
by authorized
Sony personnel)
UK model:
24OY ac,50/60
Hz
(22OV acadiustable
by authorized
Sony personnel)
E model:
110,12O,22Oor 24OV acadjustable,
50/60 Hz
45W
Approx. 195
(w)
x 255
(h)
x 230
(d)
mm
07afu1 x1o78hl x9%(d) inches)
including
proiecting
parts
andcontrols
Approx. 5.9
kg
(13lb) net
Approx. 9.5 kg (21 lb) in shipping
carton
includingspeakers
weight
SPEAKER
Speaker
System:
Speaker
Units:
Nominal lmpedance:
PowerHandling
Capacity:
Sensitivity:
Frequency Range:
Crossover
Frequency:
Dimensions:
2-way speakersystem
Woofer: 1Ocm, cone
type
Tweeter: 5 cm,conetype
4{t
Nominal20W DIN 45500
Maximum50
W DIN 45500
88dB (1
W, 1 m) DIN 45500
+^
60 Hz
- 'l
8,000
Hz d dB DIN
7,OO0
Hz
Approx. 125
(w) x 255 (h)
x 2O5
(d)
mm
(5 (w)
x 1o/8 lhl x I % (d) inches)
Weight:
MODEL
IDENTIFICATION
- Specification
Label
-
666ûâ
US
Model
MODEL
NO
TC-PBIO
STEREO
CASSETTE
PLAYER
AC
r
l20V 60Hz 45W
SERIAL
NO.
MADE
lN JAPAN 3-57e-5o2-or
UK Model
MODELNOTC-PBIO
STEREO
CASSETTE
PLAYER
AC:
240V - 50/60H2 45W
t:l
SERIALNO.
MADElNJAPAN 3-s7s-506-ol
AEP
Model
MODELNO
TC-PBIO
STEREO
CASSETTE
PLAYER
ACt220V 50/60H2
45W@'
SERIAL
NO.
MADE
INJAPAN 3-579-505
- 0l
EModel
MODELNO
TC-PBIO
STEREOCASSETTE
PLAYER
AC:Il0,
120,220,240V
- 50/60H2
45W
SERIAL
NO,
IVIADÊ
lN JAPAN 3-5?e-504-ol

z
a
û!-0/
SECTION
1
OUTLINE
1.1. BLOCKDIAGRAM
+t
@@
+++
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=

1-2. CIRCUIT DESCRIPTION
o When the POWER is Turned ON:
For four seconds after the POWER switch is
turned ON (i.e., after RESET input signalbecame
in "H"), the PLAY LED repeats going on and off
in one-second repetition rate. The reset signal
is effective during this four second period and
the function-switch inputs are rejected, i.e.,
the setis in the stop mode. Note: All other outputs : low state
a:45
e : 0.55
1C401'sTERMINAL NAME,WAVEFORM
AND/OR VOLTAGES
PIN
No. WAVEFORM AND/OR VOLTAGES PIN
No. WAVEFORM AND/OR VOLTAGES PIN
No. WAVEFORM AND/OR VOLTAGES
@
PLAY lamp drive 1
playback mode: DC 4.5V
stop mode: DC OV
@
Auto Shut-Off Signal
DC 4.5V
ts
tape end
O.2sec
OV
auto shut-off
becomes in stop mode at
tape end in forward mode
(may become in 0V according
to the position of take-up
reel spindle)
@
AMS-Solenoid Drive S
ignal
rl
I f o.zssec
I
forward switch
ON
stop mode: DC OV
@
PLAY lamp drive 2
pause
mode: DC 4.5V
stop mode: DC OV
@
a switch input (STOP)
-l 7 DC
a.sv
tt
tl
L _____ ' _OV
F___r_D1
stop button kept pressed
stop mode: DC 0V 6À
Reel-Motor Drive Signal
in Forward Mode
DC4.8V
OV
forward switch
ON
stop mode: DC 0V
fast-forward mode: DC 0.3V
@
Clock Signal
DC't.6V
l*6msec-l
o
< < switchinput (
REWINDt
---.1 l- DC4.5V
tl
tl
i_______,_0V
r.-----Tr----
rewind button kept pressed
stop mode: DC 4V
@GND (groundl
€e
Reel-Moto r Drive Signal
in Fast-Forward Mode
fast-forward mode: DC 4.5V
forward mode: DC O.sV
stop mode: DC OV
@ResetSignal (RESET)
DC
4V
@
> > switch input (FF)
I 7 Dca.sv
tl
L- -----)-ov @
Line-Muting Signal
DC
O.4V
I
forward
switch ON I
stop @
Reel-Moto r Drive Signal
in Rewind Mode
rewind mode: DC 4.8V
stop mode: DC OV
@
forward button kept pressed
> switch input IFWD)
f- DC 4.5V
tl
tt
L------J -Dco.4v @
Head-Solenoid Drive Signal
DC
4.5V
OV
I
forwardswitch
ON
stopmode:DC0V
@B+ Supply Voltage 4.5V
Note: A terminal with bar over iB name operates when OV voltage is applied.
I
ex: RESET

TC-PBI
O
I
-246-515-00
I
-210-814-00
l-210-815{0
1
-210-816-00
l -210
-817-00
1
-210-818-00
I
-210-8r9{0
i-210-820-00
I
-210-821
{0
t-244-?5440
I
-214-755
{0
I-244-756-00
r-244-757
40
l -244-758-00
r-214-75940
I
-214-760-00
t-214-76140
t-244-76240
l-246-521
-00
t-246-52240
I
-246-523-00
t-216-52440
L-246-525{0
t-246-52640
t-246-52'l40
I
-246-528{0
l-216-529{0
1
-246-530{0
I-246-531
-00
1
-246-532-00
I
-246-533-00
I-246-531
{0
l -246-535-00
l -246-536-00
I-246-537
-00
1 246-538-00
I-246
-539-00
I-246-510{0
I-216
-541
-00
r-246-51240
1
-246-543-00
1
-246-544{0
1.0M
1.lM
l.2M
l.6M
l.8M
2.7M
3.0M
3.3M
4.3M
4.7M
I-216-49?
{0
l -246-498-00
1-246-199{0
I 246-500-00
I-246-501
{0
t-246-50240
I-246-503-00
1
-246
-504-00
l-246-505
{0
I-246-506
-00
l -246-507
{0
I
-246-508-00
1
-246-509-00
I 246
510{0
l 216-51r{0
t-246-512{0
1
-216-513-00
1
-246
-511-00
I-246-51
5
-00
l-246-516
{0
I
-246
-517
{0
I-246-518
{0
t-246-519-00
I-246
-520-00
t00k
110k
l20k
130k
l50k
160k
180k
200k
220k
240k
270k
300k
330k
360k
390k
430k
470k
5l0k
560k
620k
680k
750k
820k
9l0k
| -246-473-00
t-246-47
4-00
1-246-17540
t-246-476-00
t-246-477
-00
t-246-478-00
L-246-47940
1 246-480-00
l-246-481
00
r-246-482{0
I
-246-483-00
I-246-484-00
I-246-485-00
1
-246
-486-00
L-246-487
-00
I-246-488-00
I 246 489-00
1
-246-190{0
1-246-491
00
t-246-492-00
I -246
-493-00
1
-246-494
-00
I
-246-495{0
I-246
-496-00
l0k
tlK
12k
l3k
IJK
l6k
18k
20k
22k
24k
27k
30k
33k
36k
39k
43k
47k
Jlk
56k
62k
68k
,JK
82k
91k
1.0k
l.lk
l.2k
1.3k
r.5k
I.6k
I.8k
2.0k
2.2k
2.4k
2.7k
3.0k
3.3k
3.6k
3.9k
4.3k
4.7k
5.
lk
5.6k
6.2k
6.8k
7.5k
8.2k
9.1k
100
110
120
130
150
160
180
200
220
240
270
300
330
360
390
130
470
510
560
620
680
l-246
449
00
1
-246-450{0
l-246-151
-00
1-246
452-00
I
-246-453-00
1-246-454
{0
I
-246-455
{0
1-216
456-00
1-246-457
40
r
-246-458-00
1
-246-459-00
I 246-460-00
1 246-461-00
1
-246-462-00
I 246 46300
1
-246-464-00
I-246-465-00
l -246-466-00
I 246-467-00
1
-246-468-00
I-246-469-00
1 246 470{,0
t-216-471{,0
t-246-47240
l0 I1-246
425-00
ll I l-246-426{0
t2 | r-24642?Ao
13 I
l-246-428
00
15 1-216
42940
16 l-246-430{0
18 | l 246
431
00
20 | l-246 43240
22 I l-246 433{0
24 1
1-246-434-00
27 I 1-246-435-00
30 | I 246
436
00
33 I l-246
437
oo
36 I -246-438-00
39 I l-246
439-00
13 J
1-246
440{0
47 | l-246-44140
5t I L-246-44240
s6 I 1-246
443-00
62 I 1-246-444-00
68 L
1-246-445
00
75 I l-246
446{0
82 | t-246-447
00
9l I l-246-448-00
I-216
-101
-00
t-246-402{0
I
-246-403-00
I-246-404
-00
1-246
405
00
I
-246-106{0
1-246-407
00
I
-246-408{0
I
-246-109-00
l -246
-410-00
I 246-411-00
L-246-412.{0
1
-216-413
-00
1
-216-114
-00
l-246-415
00
l -246
-416-00
L 246-117
40
I 216-418{0
I-246-41900
t-246 420-00
L 246-42140
1-246 42240
t-246-42340
L-246-42440
1.0
l.l
1.2
1.3
1.5
1.6
1.8
2.0
2.2
2.7
3.0
3.6
3.9
1.3
4.7
5.1
5.6
6.2
6.8
t/4 WATTCARBON
RE€!9r989
I{ARDWARE
NOMENCLATURE
Nui, Warhw, RGlsining ring:
10
3x N3
| | Di"-eter ol ueble ærew
or shaft
I
I Refercnce detigBtion
I ' a, Lensth
inmm
> D: Diameter in mm r1
iU
-O'-
Type of head
tnd icated slotted -head onl y
l)nless othe.wise indicated, it means
cross-ræ6sed hæd (Phillips tYpe).
IF
ÏU
-oL
R6{€rsn@
06ignation Shape Dæription Remarks
scREws
Pû- pan-head screw binding-head (B) screw for
replacement
PWH (t+ pan-head screw with
msher lace binding-head (8 I screw and
tlat washer tor rePlacement
PS
PSP Ipan-heôd screw wllh
spring washer binding-head (8) screw and
spriôg washer tor rePlace'
ment
PSW
PSPW fiù oan-heâd screw wrth
sprinq aôd tlal washers bind;ng-head (B) screw and
spring and tlat washers tor
replacement
round-head screw biôding-head (8) screw for
replacemenl
KFllat-countersu nk-head
screw
RK Foval-cou
ntersunk'head
screw
BFbinding'head screw
TFtruss-head screw binding-head
(B) screw
tor
reglacement
tlal-f iilister-headscrew
a-l lrllister-head screw
8V ka braizer-head screw
Rgfer€næ
D6ignôlion Shape Oescriplion Remarks
SELF.TAPPING
SCREWS
TA \F-'--.'_ selt-lapprng Screw ex: TA,P3x10
PTP
tlli:
pan-head self-taPPiôg
screw binding-head self'
tapping (TA, Bl screw for
replacement
PTPWH Foan'head self-taPPing
screw with washer tace bindinE-head
ælf
tapping
(TA, B) screw
ând
llat washer
for replacement
PTTWH oan-head thread'rolling
screw wilh washer face binding-head
SET SCREWS
sc - €f- set screw
sc -oæ hexagon-socket set screw ex: SC 2.6 x 4, hexagon
sockel
NUT
N-ft@ nut
WASHERS
lâr
vflat washer
SW -o$ spriôg washel
LW qJ internal-1o01h lock
washer ex: L!V3, internal
LW i-fJ-rern"t--ottt toct I ex: LW3,
external
I Aj I washe, I
tr RETAININGRINGS
Eeretarnrng
rln9
ogriP-tYPe
retarnrng
rlng

TC.PB
I O
SECTION
2
Note:Fottow
rhe
disassembryprocedure
in thenumeric.
-Or:rtâ:tEMBLY
cabinet
@
MECHANISM
DISASSEMBLY/TEMPORARY
ASSEMBLY
oi:!,i",:ili.1
-6-

TC-PBI
O
AC IN PRIMARYSIDE
To avoid electrical shock,
do not touch.
MECHANISM
SECTION
(Front
view) MECHANISM
DECKSECTION
AMPLIFIER
SECTION

TC.PBI
O
l.
SECTION
3
ADJUSTM
ENTS
3.1. MECHANICAL
ADJUSTMENTS
PRECAUTION
Clean the following parts
alcohol-moistened
swab
record/playback
head
erase
head
capstan
Demagnetize
the playback
demagnetizer.
.Do not use a magnetized
screwdriver
for the
adiust
ments.
After the adjustments, apply suitable locking
compoundto the parts
adjusted.
The adjustmentsshould
be performed
with the
rated power supply voltage unless
otherwise
noted.
(
z.
with a denatured-
pinch roller
rubber
belts
idlers
head with a head
5.
I
I
TorgueMeasurement
andBackTension
2. If the specified
tained, change
spring.
back-tension torque is not
the hooking position of
supply-reel
spindle
back-tension lever
weaker <+ stronger Change the hooking Position.
( lgcm per one slide.)
Torque Torque meter Meter reading
Forward cQ-102C 30-60 g.cm
(0.42*0.83 oz.inch)
Fast
forward,
Rewind cQ-201A 110-165
g.cm
(1.53-2.2
oz.inch)
Back tension cQ-102c 2.5-4.5
g.cm
(0.04-0.06oz.inch)

TC-PBI
O
Head
HeightAdjustment
l. Prepare
an adjustment
cassette
asshownbelow.
Cut out hatched
portions.
2. In playback mode and viewing from the front,
adjust the head heights by using the adjustment
screw A, B, C, to eliminate tape curl and tape
twist at portions shown bY arrow.
capstan shaft
c-|20
tape cassette

TC.PB
I O
3.2. ELECTRICAL ADJUSTMENTS
Note: The adjustment should be performed in
the order given in this service manual.
The adjustments should be performed
for both L{H and R{H.
o Set the TAPE switches
according
to the tape
follows.
Tape TAPE switch
cs-l0 TYPEI
cs-20 TYPE II
cs-30 TYPE III
cs40 TYPEIV
o Switchesand controls should be set as follows
unless
otherwisespecified.
Standard
Output Level
PHONES LINE OUT
load impedance 8f,, 47kn
output level 39mV
(-26d8) 0.44V
(-sdB)
Capstan
MotorSpeedAdjustment
Procedure:
Mode: playback
speed
checker
LFM-30
or
digital frequency
counter
m
Specification:
Speed checker Digital frequency counter
-0.3 - +0.3Vo 2.990
- 3.0l0Hz
Frequency difference between the beginning
and the end of the tape shouldbe witbin l%
(30H2)'
Adjustment
Location:
capstan motor
LINE OUT

Record/playback Head
Procedure:
l. Mode: playback
testtape
P4-A825
6.2kHz, -10d8)
AzimuthAdjustment PlaybackLevel
Adiustment
Procedure:
Mode: playback
LINE OUT
z. Turn the adjustment screw for the maximum
output levels.If these
levelsdo not match,turn
the adjustment screw where both of oul!!q!
3. PhaseCheck
Mode: playback
L.CH R.CH
peak peak
Specification:
LINEOUT
level:0.52
- 0.59V
(-3.s - -2.sdB)
Leveldifference
betweenchannels:
lessthan
0.5dB
Check that the LINE OUT level does not
changein playback mode while changingthe
modefrom playbackto stopseveraltimes.
Adjustment Location:
- record/playback board -
testtape
P-4-A825
(6.3kH2. oscilloscope
- |odB)
L.CH ll
VH
RV2O| RVlOI
lR-CH) (L-cH)
47
kA
LINE OUT
adjustment rcrew
levelsmatch tosether within 0.5dB.
SCrew
Screenpattern
@@@
s6
in phase 45" 90', , 135" 180"
,
4 \_------1-
good wrong
Adjustment
Location:

TC-PB
I OSECTION
4
DIAGRAMS
4-1. MOUNTING
DIAGRAM
- Conductor Side -
o See
page
18for semiconductor
lead
layouts,
Note:
o Color code of sleeving
over the end of the jacket.
c
1'--G=
| -r ,,
I
ii-t
ir J
(. Lrr^u
IPHOTO
TRBOARDI
e @ :fusibleresistor.
a : B+pattern
o-:+>n : Signal
path
. û--r>: L-CH
signal
path
. -rr.i+: R-CH
signal
path
oucHswtTcHI
ILEDBOARDI
-12-

TC.PB
I O
ISYSTEM
CONTROL
BOARD) s303
POWER
oPG I lot*ott
ORG DCtN
l2v
oGo BLXI I
BLK
jo,\Jr! fTïEBLEl
-13-
t03
203
t0l
lcll4
102
t05
202
306
201

TC.PBI
O
BOARDIcirqooor
USED
USA
L
(,
USEO
ÂEP
UK
SPEAKER
USED
E'lEz MODEL
(MIC
BOARDI
rcr0l,201
INE
OUÏ
BOARDI
-14-

+2. SCHEMATIC
DIAGRAM
A
TC.PBT
O
ILII{E
OUTEOARD
D
994IDl
ITAMP
BC
m
c3tl
t00/t0v Qt0r,l02
2sct345
PB
AMP tc30t
NJM4560
LINEAMP
Q
r03 2SC
MUTING
Rt02 R324r.2k
5.6k., IPB
LEVELAD.I CIIZ
-Fr-l- nrrr
-îrz ?i?,
lcroaI z.2R z.zk
"-'.
0306
DBOARDIl, r.
Éonnol oeor"Bo,
,sirrq:I
_l
Ell
RVSO
I
l0r
(a)
Mrc
li,llXlNG
J80l
Mtc
JACK
I
l-
,a-iJ
Hem-
O._#
t_
IM0T0R
BoARDI
CAPSTAN
MOTOR
ir:t.:ii, J
umôn
t
sbr-enoroI
D502
| 050t,502,503
, l0E-2
PL\Y Ià
nrfËÉet
I
., L "l i. ' SSor
. I cassETTEl
i /pr I ^--
I Loao:orr
0404lst555 Q409 2SA733 Q408,4102SCt364 Q406
258733 Q407
MUTII{G SOLENOIO
KICK SOLENOIDKICK SOL
| | ^.:ir'n'
1 -))
fr
G
o-
=
lI
=-
s=
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=
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=
l=
IU
te
tÀ
t9
t6
-15-

ISYSTEM
CONTROL
EOARDI
i-vn 0t04
2sct364
EUFFERAMP Qr05
2SCr345
TONE
AMP lcl0t HAt396
POWER
AMP IHEA
R70l
ll/
cil6
O/I6V
IVOLUMEI IEALANCEI
; Q404,4052SDt0t2 0305 250809
I FFIREW
SEIECToR MTSWiTcH 2SD809EQ303
25D809 030t 2SD809 Q3il 2SA733
VOLREG MUTIf{G
25Cl364 0303,305,306
t0E-2 D3O2
RD9.t Q3l2
u2ScCl364
3U Q40rzSC1364 ,,, 0304RDtoEB
K MT
SWTTCH
0304 .-"
Rt3t RV304
4.7k t00k
(B) il54 cl55
'Â
q,,
rok 100 --'
t0v
FFlRtw:5v
FWD:
2
.4N
0401
c304
220
l0v
r00
t0v
: -17
I s90r s902 s903 5904
l<<r>>>
t-
lroucx
swtrct{
BoARDI
I
J(ilov) (
r2ovl (zzov)
-16- @ffiæ

BOARD
I
c70l
r/50v
(240v)
Note:
. Components for right channel have
samevalues
asfor left
channel. Reference
numbersarecoded from 2OO.
. All capacitorsare in pF unless
otherwise noted. pF = gfrF
50WV or lessare not indicatd except for electrolytics.
. All resistors are in ohms, %W unless otherwise notod.
kO : 1O0OO,
MA : 1OOOko
. @|- : fusible resistor.
.-:B+bus.
. Readings
aretakenunderno-signal
conditions.
o Voltage
variations
may be noted
due to normal
produc-
tion tolerances.
. Voltages
are dc with respect
to ground unlqss
otherwtse
noted
. Switch
Ref. No. Description Porition
s301
s302
s303
s501
s901
s902
s903
s904
TAPE
POWER
(DC
POWER
SWI
{CASSETTE)
REW
STOP
FWD
FF
TAPE I/LOUDNESS
OFF
OFF
OFF
OFF
OFF
,:i::..Note:
The
components
identif
ied
byshading
anOmarf :iiii
iiii,ij I arecriticalfo1sajety. Replace-onty
wtttr iï,
itiii:i Partnumber
sPecified. .iii
Voltaçs are
measured
with a VOM (SOkC2/V).
-17-

TC.PBI
O
SEMICONDUCTOR
LEAD LAYOUTS
wn
23D809
'Ëi'"
,1,
25A733
2SA1027R
[h
W
lilill
.
//(
'c'B
2S8733
250773
Qr
.hr
.Cà
2S8808
fn-)
W
ililtl
ililtl
,//\
2SC94s
2SC1364
A
lïlT[,
/rI
Bc
r
2SC1345
2SC2001
rn
ffi
ililtl
,/ll
.CB
2SD1012
LfiIIP
ililtl
/lu'
EBc
PHl02
'-11
?
r4
HA1396
Ç1t7--7
- ,i '-l
]TT[-TTTT'
12 n

TC.PBI
O
SECTION
5
EXPLODED
VIEWS
AND PARTS
LIST
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t\<
tu\,
n&
a?/

TC-PBI O
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