Kenwood KX-W8060 User manual

KX-W8060 i daria
SERVICE MANUAL
© 1993-12 PRINTED IN JAPAN
B51-4849-00(S) 3589
Cassette lid Panel Knob Metallic cabinet Cassette lid
(A53-1383-14) (A60-0571-02) (K29-4149-04) (A01-3026-01) (A53-1383-14)
KENWOOD - srenco couste casserte beck Kx-wao8e
he iS ke eles Na ah el
‘ + ne aa ot ee Set ee) Peay ete ey
5 ‘i E “0
eeeaanaesod
Casseils holder ass'y Knob Dressing panel Phone jack Sub panel Knob Cassette holder ass'y
(A53- 1384-03):K,P,Y,M,X,R § (K29-5626-03) (A21-1826-03) (E11-0208-05) (A22-1605-01) (K29-5626-03) (A53-1386-03):K,P,Y,M,X,R
(A53-1398-03):T,E Knob (A53-1400-03):T,E
(K29-5628-04) AC inlet
(E03-0102-25)
it CAUTION ATTENTION}
iN MUSK OF ELECTR SHOCK |RISOUE DE CHOC ELECTAIOUE|
DD NOT OPEN RE PAS OUYRIA
Phono
jack
Miniature
phone
jack
Foot
(E13-0445-05) (E11-0188-05) (JO2-1013-05):K,P,R(Rear)
(J02-1024-05):K,P,R(Front)
(JO2-1034-05):Y,M,X, T,E
*Refer to parts list on page 22.
Refer
to
the
KX-W8050
(B51-4680-00)
service
manual
,
if
need
the
disassembly
for
repair
and
block
diagram.

KX-W8060
Accessories
Audio cord....... me
(E30-0505-05)
System control cord...... 1
(E30-2733-05)
AC ICO 2. dt ia eiadiadene ts J
(Except for some areas.)
(The shape may vary de-
pending on the destination
area.) (E30-1305-15:Y)
(E30-1329-05:M)
AC plug adaptor........... 1
{Except for some areas.)
For the unit with a Europe-
an AC plug in areas other
than Europe. (E03-0115-05)
CONTENTS/ACCESSORIES
INSTRUCTION MANUAL
B60-1600-00 (English)
B60-1601-00 (French)
B60-1602-00 (Chinese)
B60-1603-00 (GE,Du,It)
B60-1604-00 (Spanish)
[Made in China]
Item carton case
H50-1035-04
H50-1036-04
H50-1037-04
Polystyrene formed fixture
H10-5703-02
H10-5704-02
H10-5705-02
H10-5706-02
[Made in Japan]
Item carton case
H50-1043-04
Polystyrene formed fixture
H10-5101-12
H10-5102-02
seeotebivetuigebvi davatestvses 2 SCHEMATIC DIAGRAM ..........cccecsessssscsseseesesseseseceee
sibiebig senvitcbseet panstaces 3 EXPLODED VIEW (MECHANISM) .............:0:0seee-
dbsadeweteticloievanaanteieds 7 EXPLODED VIEW. (UNIT) cissieccdeicsssdescerianiosines dons
Seultvz tehagnacs Ness 9 PARTS LIST 0.00... eeeeeeceeeeees
P,E
M,E,R
K,P,Y,X,E,R
M
T
K,P,Y,M,X,E,R
K,P,Y,M,X,E,R
T
T
K,M,R
K,M,R
K,M,R

KX-W8060
CIRCUIT DESCRIPTION
Micro processor (M50945-129SP)
Vref O— 1 O Vcc
LEVEL
Lc
2
O
AVcc
”
RO
3
QO
Pi
PHTA O 4 O P2
PHSA
O
5
QO
PS
PHTB oO 6 Oo P4
PHSB O 7 O P5
QRA O 8 O Pé
QRB Oo P7
P17 O QO P8
G4 © O P9
KR4 O O P10
A7B OO O Pt
iM O O P12
V CLK oO O P13
V DATA o O P14
V STB O O P15
EX RST O P16
EX CLK O G1
EX DATA oO O G2
EX STB O O G3
CE O O G5
OSC OUT O O G6
S BUSY © O G7
S DATA O O G8
NC oO O G9
RESET O O Vp
Xin oO O KRO
Xout oO O KRI1
NC O O KR2
NC oO O KR3
Vss O O NC

KX-W8060
Pin Description
CIRCUIT DESCRIPTION
Name Function
VREF Analog-to-digital converter reference voltage
[| LEVEL L Left-channel signal input
LEVEL R Right-channel signal input
PHTA Mechanism A takeup hub sensor input
PHSA Mechanism A supply hub sensor input
PHTB Mechanism B takeup hub sensor input
Mechanism B supply hub sensor input
O|O}=|—|=|S/4|S]4/= |:
Mechanism A quick-reverse sensor input
| Mechanism B quick-reverse sensor input
QRB
10 Sq Fluorescent segment output q
|_| KR4
13 O | AB A/B switching output —H: B deck L: A deck
Line mute output H: MUTE OFF _L: MUTE ON
17 oO VST Electronic volume control strobe output
18 | O | EXRST
| 20 | O | EXDATA | ExtendediCdataoutput
| 22 | | {CE ___[ ACoffdetection H:ACON L:ACOFF
| 23 | O | OSC | -400-Hz/10-kHzoutputforautobias
| 24 | 0
| 25 | WO |SDATA | Serialdatainputoutput
26. | - | Vss___| Connect to ground
27 +} RESET Reset input | H: Normal L: Reset
XIN 4-MHz ceramic-lock connection input
| O | XOUT
XCIN Connect to GND.
| Pin for clock pulses for time display
OPEN. _ Pin for clock pulses for time display
|_| KR2 Key input _H: KEY ON L: KEY OFF
H: KEY ON L: KEY OFF
Key input
|_| KR Key input H: KEY ON L: KEY OFF
|__| KRO Key input _H: KEY ON L: KEY OFF
| Vp
Fluorescent grid output 9G
- BAB a -. | Beoreseent group 98
| 44 | O | G3
| 45 | O [G2 | Fluorescent grid output 2G
| 46 | O [G1 | Fluorescent grid output 1G
Connect to -30 V
High-voltage-resistant port pulldown voltage input
Fluorescent grid output 8G

KX-W8060 |
CIRCUIT DESCRIPTION
Pin Description
Name
e S 3

KX-W8060
CIRCUIT DESCRIPTION
Test
Mode
(b)
Cancel
1.
Test1
~
To
cancel
the
test
mode,
press
the
PAUSE
key
(a)
Setting
on
deck
A
or B,
or
switch
the
power
eff.
Note
Short
test
pins
(TP
3
+4)
with
a
diode,
and
plug
that
the
direction
and
counter
values
while
in
the
in
the
AC
cord.
test
mode
are
stored
in
memory.
If
the
AC
cord
is disconnected while in the test mode, the
memory is initialized completely.
(c) Operation
All indicators light two seconds after the power is switched on, then the normal display
resumes (except for the meter section).
All indicators on
L INHFA CrO2A METALA INHRA
-15 -10 6 3 cae, va) GC
R INHFB CrO2B METALB_ INHRB
Mechanical switch display
(DIRECTION switch)
When the REC key is pressed, the counter is reset to 0.000, recording is done for four
seconds, then the recorded part is played back from the beginning.
« The key is accepted at any time.
Four-second recording
(for decks A and B)
Timer play
Speed change
High-speed recording
Dubbing
H <—»>L
Input level ATT
Keys to be inhibited
Deck A high-speed playback 4 seconds
Deck A normal-speed playback 12 seconds
Deck B high-speed playback 4 seconds
Deck B normal-speed playback 12 seconds
Deck B recording 15 seconds
Rewind to the beginning.
Deck B playback 13 seconds
Deck B stop
Note: Time recording is not done if there is no cassette in deck B.
FWD PLAY key «+--+ Normal playback (FWD)
FF Key vreesenees High-speed playback (FWD)
RVS PLAY key _ .......... Normal playback (RVS)
RWD key Wdadedreee Rewind
Note: If the FWD PLAY and FF keys are pressed altermately, the head dones not retract.
When the H. CCRS key is pressed, high-speed recording is done on deck B.
Note: High-speed recording is not done if there is no cassette in deck B.
if the H. DUB and N. DUB keys are pressed alternately, the dubbing speed can be
changed without retracting the head.
Note: The speed cannot be changed if there is no cassette in deck B.
When the N. CCRS key is pressed, recording pauses, and the level can be input. If the
input is excessive (+5 dB or higher), the PWM is changed and the level is set. When the B.
REC key is pressed, recording can be done at the specified level. Note that the level is
canceled when another operation is performed.
The DPSS mode is not entered. Note that the display is slightly different from the normal
one.

KX-W8060
INPUT OUTPUT CASSETTE TAPE ALIGNMENT
ITEM SETTINGS SETTINGS DECK SETTINGS POINTS ALIGN FOR FIG.
CASSETTE DECK SECTION TAPE: NORWAL. DOLBY: OFF, INPUT: LINE OdBs =0.775¥
| REC/PLAY HEAD
POWER: OFF Demagnetize the REC/PLAY
DEMAGNETIZATION Remove the REC/PLAY head with a head
cassette door. head demagnetizer.
REC/PLAY Clean the REC/PLAY head
head erase head, capstan and
CLEANING erase head, Pinch roller using a cotto
capstan, swab slightly daaped
| pinch roller. with alcohol.
MTT-114, TCC-153 Azimuth
AZIMUTH SCC-1727 adjustment screw Maxiaum output.
10kHz, -10dB
MTT-111, TCC-110 DECK A: Adjust the tape speed so
TAPE SPEED SCC-1727 DECK B: that a 6kHz signal is
(Hl SPEED) 3kHz Test mode test YVR1 (VR103) on each produced at the center
-4dB FF key HI speed own mechanism board of the tape.
F. PLAY key :
MTT-111, TCC-110 Normal speed | DECK A: Adjust the tape speed so
TAPE SPEED SCC-1727 DECK B: that a 3kHz signal is
CRORMAL) 3kHz VR2 (VR223) on each produced at the center
-4dB own mechanism board of the tape.
Use the leader Connect a DC DECK A: VR9 Adjust the semi-fixed
QUICK REVERSE section of voltmeter to DECK B: VR10 resistanceso that
TPS and GND (A) :
SENSITIVITY the test tape. TP6 and GND (B) 0. 78¥ (20, 15¥) voltage
is obtained.
WTT-150
PLAYBACK MTT-256, SCC-1727 VRARI
MTT-256U, TCC-160 VRAIR}
SCC-1176 Output level: -2.0dBs
315H2(220nWb)
Adjust REC level
volume so that
the REC aonitor DECK A:VR5(L) Record 1kHz and 1OkHz in
(A) output becomes VRGIR alternation and adjust the
BIAS CURRENT LkHz. -30dBs «29dBs at LkHz, DECK B:VR7(L} variable resistors which
10kHz, -30dBs then record and VR&R) control the bias current
reproduce signal so that the same playback
of kHz and 10kHz level is obtained.
in alaternation.
onnect the ‘requency
Load the counter between
BIAS OSCILLATING non recorded TPi and GND DECK A:L3 Adjust so that the
FREQUENCY tapes on Deck on Deck A. between DECK B:L4 frequency counter
A and B. TP2 and GND shows 105kHz.
on Deck B.
Load a Load a metal tape, DECK A:L3(L)
BIAS LEAK non recorded and dub in a reas Hininua (Point)
tape on Deck A high speed mode. La(R)

KX-W8060
ADJUSTMENT/REGLAGE/ABGLEICH
SYSTEM
CONNECTION
ae
(a)
AZIMUTH
ADJUSTMENT
SCREW
q
AC
voltmeter
REVERSE
:
Voltmétre
CA
Oscilloscope
Wechselspan-
Oscilloscope
nungsmesser
Frequency
counter
AG
AC voltmeter Génerateur audio)
Voltmétre CA Fréquences
Wechselspan- _NF-Signal
nungsmesser enerator
Osczilloskop Piicncecars
A
Frequenzzahler
FORWARD
°o
eee
2.
C8...
tre

KX-W8060
KX-W8060
WIRING DIAGRAM
SYNCRO IN ouT
A MECHA
(040-0965-05)
K,P,Y,M,X,R
(D40-0967-05)
T.£
ie
RECORD/SPLAYBACK
UNIT
(X28-2310-1X) (A774)
CN1 (HEAD A)
CN2(HEAD 8)
B MECHA
|
|
peso e0 jee eae
1 K,P,Y,M,X,R
j(040-0968-05
7 Ty E 1
|
|
|
(X25-)
(C74)
cna
|<
DISPLAY
UNIT
(X25-5170-10) (A774)
a
|
| |
|
|
|
|
| | | |
2 ee © ee © SD © ED So ES © EE © © ED SED 2 ED © SERED © ERD © GE © EERE CD © ee © ee © ee
(K,P,R TYPE) AC120V (LO7-0256 - *5)
(X. T. E TYPE) AC230V (LO07-0258-%8)
(X25—) | HEAD PHONE
- (B74)
(X28-) (C74)
(Y.M TYPE) (LO7-0257-*#S)
Riot es one |
fe !
Cf fens (x25-) (074) |
= |
6
10

‘i Fs :
PC BOARD (Component side view)
2
K)
SYSTEM
CONTROL
PHONES
4
J70-0349- 11
FRONT
Refer
to
the
schematic
diagram
for
the
values
of
resistors
and
Capacitors.