Kenwood RXD-951 User manual

RYD.951/951E951WIAgOOIATOQ)
|
KENWOOD
A700E/A700W/V616/V818/V919
SERVICE
MANUAL
(XD-951~V919)**
© 1998-6/B51-5444-00 (K/K) 3264
Front glass* Lighting board Lighting board Panel assy”
(B10-) (B19-1589-04) (B19-1586-04) (A60-)
MIN) HiFi COMPONENT SYSTEM
SRS (@) DX) [rawr sumone]
3 STEREO Knob*
(K29-)
Phone jack ; Phone jack
(E11-0169-05) S\*O. — —!) CS (E11-0280-05)
Cassette lid (L)* —————————e o—_-_____ Cassette lid (R)*
(A53-) (A53-)
Front
glass
(L)
ora
a
ci
Front
glass
(R)
(B10-2446-13)
<r
(GS
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a
(B1
0-2447-1
3)
Ginscy
erbonnin
weanoe
myer
Dneer
pecanane
seamen
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Aw
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pont aoe x 5S “> 6” C=) ©)*o™
19-1587-0
“Se
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. Panel (CD)*
KENWOOD
(A29-)
i, ir ee
**Refer to page 2 if you want to know system configuration. * Refer to parts list on page 62.
KENWOOD-Crop. certifies this equipment conforms to DHHS
| In compliance with Federal Regulations, following are reproduc- :
_Regulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J.
_ tions of labels on, or inside the product relating to laser product
safety.
:
‘DANGER : Laser radiation when open and interlock defeated.
AVOID DIRECT EXPOSURE TO BEAM
| Refer to RXD-500/700 (B51-5300-00), If you require
TUNER preset frequericy in detail.
Refer to RXD-501/etc(B51-5420-00), if you require CIR-
| CUIT DESCRIPTION in detail. —

RXD-951/A700/A900/V616/V818V919
Contents
CONTENTS / ACCESSORIES
CONTENTS / ACCESSORIES ......... cc ceeeceeeseeteteeeeteeees 2
EXTERNAL VIEW uuuc.ccscccccscscsscccscsceseeseceeseveseetenseeesens 8. UPC BOARD ssaccitectccieiet achat aa bhee. ote et
DISASSEMBLY FOR REPAIR ........0.c0ccccecceseseeceeeeeeeeees 4 SCHEMATIC DIAGRAM ........cecceecseseccccesessesessesereeees
BLOCK DIAGRAM ........eeseseeeeees deci teceuacenaaies 5 EXPLODED VIEW 0... .ceeeseeccesseseccecececssceecsvereesesersavens
CIRCUIT DESCRIPTION ......ccceccccccceceeceeseccerceseaseneaees Gi, APARUES LIS Tescdcciceniafuetatn een tandmanancvetaaeann!
ADJUSTMENT ......ccccccccsecccccceceecsesseesacectacsesenseeeeseers 11. SPECIFICATIONS uu. .cecececccsecccccseseseesessecessesesteeesenes
Accessories
Remote control unit (1)
(A70-1221-05) : RC-951R
algl |
0D)
0) |
Battery cover (A09-1117-08)
AC plug adaptor (1)
(E03-0115-05)
Speaker cords (4)
XD-951/XD-A900
Speaker cords (2)
Loop antenna stand (1)
(J19-364:
Ls?
5-05)
q
S
Surround speaker system
Surround speaker (2)
Speaker cord (2)
Speaker stabilizer (8)
Wall mount hardware (2)
Screw (4)
Center speaker (1)
Speaker cord (1)
Speaker stabilizer (4)*
*Except for CRS-N551
SF
Use to adapt the plug on
the power cord to the
shape of the wall outlet.
(Accessory only for regions
where use is necessary.)
XD-A700 FM indoor antenna (1)
Other countries
(T90-0801-05)
Europe and U.K.
(T90-0836-05)
(Provided in the speaker package)
Batteries (R6/AA) (2)
Video cord (1)
(E30-1427-05)
Speaker cushions (8)
(G11-2345-04)
Model name vs remote controller
Remote controller
Parts number
Model name
Model name
Destination
Battery cover
A70-1218-05
RC-V919
RXD-V919
M2l2v2
A70-1219-05
RC-V818
RXD-V818
M313V3
RXD-V616
M4l4v4
A09-1117-08
A70-1220-05
RC-951
RXD-A900
K1P1
RXD-A700
K2P2Xx2
RXD-951
M1i11X1YIM5
A70-1221-05
System configration
SYSTEM MAIN UNIT
RC-951R
RXD-951
RXD-951E
RXD-A700E
RXD-951W
RXD-A700W
DESTINATION
SPEAKER SPEAKER
SP_CORD PARTS.NO.
XD-A900
RXD-A900
K1P1 LS-N851
CRS-N851
E30-5471-05
XD-951
RXD-951
X1Y1M1E1M5 LS-N851
CRS-N851
E30-5471-05
XD-951E
RXD-951E
LS-N851
CRS-N851
E30-5471-05
XD-951W RXD-951W
LS-N851
[CRS-N851
E30-5471-05
XD-A700
RXD-A700
LS-N451
CRS-N551
E30-5120-08
XD-A700 RXD-A700
LS-N551
CRS-N851
E30-5474-08
XD-A700E RXD-A700E
LS-N551
CRS-N851
E30-5474-08
XD-A700W RXD-A700W
LS-N551
E30-5474-08
XD-V616
RXD-V616
LS-N651
CRS-N851
E30-5475-05
XD-V818
RXD-V818
LS-N851
E30-5471-05
XD-V919
RXD-V919
Refer to the ICs.
Ref. No. Parts No.
Ma2l2v2 LS-N851
Refer to Service Manual{page)
CRS-N851 E30-5471-05
Remarks
(X09) 1C10
M38199MF-O080FP
RXD-507/etc.
(9, 10)
(X09) 1C10 M38199MF-080FP
RXD-501/etc.
(9, 10)
It is the same H38199MF-075FP.
(x14) 1C1
uPD780204-038
RXD-501/etc.
(11)
(X28) IC6 TC74HC166AP
RXD-501/etc.
(12)

RXD-951/A700/A900/V616V818/V919
EXTERNAL VIEW
Lock terminal board * Lock terminal board *
(E70-) (E70-)
ANTENNA
El 7
LZ is
Phono jack
(E63-1037-05)
7) FF}
\ (ZN
e g
Pao
M
300u
AUX
INPUT
Power cord bushing
Variable resistor
(J42-0083-05)
(R31-0096-05)
Lock terminal board”
(E70-)
AC power cord*
(E30-)
Oscillating module
Phono jack
(W02-1 114-05)
(E63-0130-05)
Illustration is RXD-V919.
* Refer to parts list on page 62.
3

RXD-95 1/A700/AS00V616/V818/V919
DISASSEMBLY FOR REPAIR
1. How to remove the front panel.
(1) Turn the power ON and then push the
open/close key to open the tray.
(2) After removed the tray cover, push the
open/close key to close the tray and then turn
the power OFF.
(3) Remove the push rivet (D) and 4 screws (@,
@).
(4) The front panel can be separated by removing
the 3 screws (@) located at the bottom plate of
the front panel.
2. How to remove the CD mechanism
(1) Remove 4 screws (©) on the left side/right side
of chassis.
(2) Remove 4 screws (©) and the cap () on the
rear panel.
(3) Disengage the CD mechanism as FIG.2.
(4) Connect the GND plate of X32 PCB and the
chassis with a alligator clip wire (®).
Fig.1
3. How to remove the mult control knob.
* Remove the knob by string (©).
4. How to open the tray if not comes out.
(1) From the rear side of the CD mechanism, use a
screw driver or the like to turn the friction arm
fully counterclockwise.
(2) Pull out the tray front wards by hand when the
tray comes just out.
Sz SIDE
Fricti Gy
ae rc
* As for details of items in the below, refer to RXD-F3
service manual (B51-5091-00).
(1) How to detach the tray.
(2) How to attach the tray.
(3) Replacing the pickup.
Fig.2

ee ee ee eS a --—S- oS TT eens SP. OUTPUT
| A PHONY Poa eo ere [ (SY; EXCEPT RXD- A700 "| STEREO SURROUND (THD 10%)
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et
Uo
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a ee Se See es Se ee ae ee, AXD-V616 | 22.6V/69
bert oe Se 1 X08) EXCEPT RXD-V616/V818 q AXO-V818" (| :26.OVG0)
- | (X09) OEXCEPT AXD-v616/ve18 | | ( |
(X28) aly REIN AUXIN is
| igs | [ssomwari AUX LEVEL | (1/2) J2 (EXCEPT AXD-ve1sve18)
apap mrt AUX IN A «
+ | vat | LS CSP.
|
AUX OUT
|
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-
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B PB AMP | t - --—— | ] 3
FF
BRP OTHER | I DOLEY ONOFF 1A --
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CHANNEL
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Moousy
ae
|
a
Ake
7
| |
ast
(RXD-951/A900/V919)
=——
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al | >) ___ RONTSE
——— | ie
las
NY] + =
8
ERASE
TC74HC166AP
[PS
LOAD
zz
a
|
|
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pie
x | SUB WOOFER SP.
Os a8 | 4
| — BEAT CANCEL he |
Q10,11
|
|
(AXD-A700)/.
————
: io '
| AB PHAR | Say | ar/ /\ | i
| frei al ® Baros9 | | (013.15
Tiare
8
|
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RXD- _
i
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MOTOR:
|
ate
—
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ee
arn
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Fo Naa eae Rae ne das Rah ray ae 7 | Ica Ica 43
(xa2) Ref. No. : RXD-951/A700/A900 | | - ; | eu | ee
| [Ref. No]: RXD-vereveisvaia | | sx 3.4 P ¥ au
| | eons ; ? pape ae
|
(CDM-27)
[tah
|
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SP.
(x14)
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(1¢3} AUDIO OUT = |
|
OSPIDAC
|
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pea
| [At] | \ |
| DIGITAL ©) 1 Dee 029 a l- ie l
163 BASO79S OUT | MAIN [POWER Tae! * AC
|
4ch
BTL
DRIVER
|
uCOM
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|
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Moron
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|
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|
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|
TRAVERSE
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RELAY
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l
| | ! 40-1500 DRIVER S 023 |
TAB409S ‘z€ | | fab |
| \g +e t |
ROTARY
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|
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«
ee
re
|
LF
fonven
|
e
|
|_| 2 | | ron se l
LF Beiven | sw sre
|
|
RELAY
©RXD-V616/V818:
Refer
to
the
same
(X09)
I
| ane on the RXD-501/701 |
| UNO Seow Sw | SURROUND RXD-951/A700/A900/
[ee BP a Nee ae wp ie 5 Te ee I _] vereversivers
WVYSVvId 40018
BL6M/81BN/9 9006/02 ¥/150-CXe

RXD-951/A700/AS00/V616/V818V919
CIRCUIT DESCRIPTION
1. Initialization
1-1 Setting of initial conditions ITEMS
While pressing the [ENTER] key, plug the AC cord into x PLAY MODE TRACK
the AC power outlet. AUTO/NTSC/PAL AUTO
1-2 Initializing operation >» AUTO PBC ON
¢ A microcomputer is initialized for start when the AC * DIGEST OFF
power is turned on while pressing the [ENTER] key. At CD/VCD| > MEMORY STOP OFF
that time, CD mechanism and CASSETTE mecha- > REPEAT OFF
nism are also initialized. * RANDOM OFF
¢ During the initial operation, the display shows “INITIAL- > ACTIVE MODE STOP
IZE” and after that the clock blinks up on display. * TIME SINGLE
1-3 The backup data and initial items. * None backup data
ITEMS * Except RXD-V616
POWER OFF ** Except RXD-V616/V818
VOLUME 45 “™ Display [—-:-—]
BALANCE CENTER
% MUTING OFF 1-4 Mechanism initialization
x EQ OFF (ROCK) 1-4-1 CD mechanism
EQ. MANU FLAT ¢ Disc unclamps (traverse down)
* EX. BASS ON * Rotary tray rotates (1/3 rotation)
S. W. * LEVEL3 ¢ If a mechanism error occurs, “CD” is indicated on the
SRS 3D OFF display.
3D LEVEL LEVEL +5 1-4-2 DECK mechanism
INPUT SEL TUNER ¢ When initial condition becomes NG for the third time,
x DISPLAY MODE DISPLAY AUTO decide the error.
DEMO OFF The error condition is displayed as "X" on the display.
DOLBY PRO LOGIC * | OFF 1-4-3 Error display
DOLBY 3 STEREO* | OFF CD X ERR
CENTER MODE * NORMAL
DELAY TIME * 20 msec 2. Test mode of the receiver
CENTER LEVEL * 0 (-10dB)
SURROUND LEVEL * | 0 (-10dB) %*% Refer to the 3. test mode on page 7, 8 of the Service
BAND FM manual RXD-501/etc. (B51-5420-00).
LAST f LOWEST FREQUENCY * It makes description of addition RXD-V919 only.
LAST Pch ead (The operation of the keys)
AUTO/MONO AUTO
Pch TEST f
%*% CLOCK AM 12: 00 ***
PROG ON AM 12: 00
PROG OFF AM 12: 00
PRO MODE TIMER PLAY
SOURCE TUNER
Pch 1
EXE OFF
OTT OFF TIMER STEREO ON
*% SLEEP OFF * ¢ Input selector : Except TUNER
DIRECTION FORWARD * Surround mode : DOLBY mode (PRO LOGIC, 3ST)
RVS MODE
DOLBY NR
> A/B
% ACTIVE MODE
Push Key Active description
K Setting CENTER LEVEL
SKIP UP (>i) -10 (Min) + O — +10 (Max)
SKIP DOWN (@<d) | -10 (Min) +- 0 + +10 (Max)
x Setting SURROUND LEVEL
FF (pe) -10 (Min) + 0 — +10 (Max)
RWD (<<) -10 (Min) +- 0 + +10 (Max)
CD PGM DOLBY PRO LOGIC ON
DUBBING DOLBY 3 STEREO ON

RXD-951/A700/AG00/V616V818/V919
CIRCUIT DESCRIPTION
3. Key matrix
FL driver u-COM (uPD780204-038) : (X14-) IC1
*14)* EXCEPT : RXD-V616/V818
VOLTAGE
(V)
|
ADO
(33pin)|
AD1
(32pin)
|
AD2(3ipin)
|
AD3(30pin)
|
AD4
(29pin)
|
ADS
(28pin)
|
_AD6
(27pin)
0~0.
82
POWER
EX.
BASS
CDPGM
|TUNINGUP
[COM
A/B
DOLBY
NR
0.84~1.
64
a
*4)
SOUND
|
DUBBING
|
TUNING
DOWN
|
CD
>>
TAPE
pe
|
REV
MODE
1.
66
~
2.
52
=
*2)
SRS
BAND
CDs
TAPE
|
DISC
1
2.54
~3.
38
-
INPUT
*3)
AUTO
CD
p/m
TAPE
m
DISC
SKIP
3.40
~4.
18
=
MODE
/
DEMO
|
SET
ENTER
CD
4
TAPE
—«
|
DISC2
4.20
~
4.78
TIMER
-
TAPE
@
TAPE
«<4
|
DISC3
* 2) © RXD-V616/V818/V919 : KARAOKE ¢ Other : DISPLAY
* 3) © RXD-V616/V818 : SOUND ¢ Other : LISTEN MODE
4. Main microprocessor
4-1 Microprocessor periphery block diagram
(RXD-951/A700/A900)
CD MECHA
CDM-27
X09, IC10
X14, IC1
FL DRIVER uCOM
uPD780204
X09, IC 11
RDS IC
SAA6579
X32, IC2
DSP
CXD2587Q
X09, IC9
SPEANA IC
BA3834SK
X28, IC6
EXPANDER IC
TC74HC166AP
M381 99MF-O80FP
M38199MF-083FP
u-COM
DECK MECHA
X08, IC3
DOLBY IC
M62460FP
X09, IC1
SELECTOR IC
NJU7313AL
X08, IC4
E.VOL (C,S)
M62429FP
X09, IC4
SYSTEM IC
M62430FP
X05, IC2
PLL IC
LC72131

RXD-95 1/A700/A900/V616V818/V919
CIRCUIT DESCRIPTION
(RXD-V616/V818/V919)
CD MECHA
CDM-27
(X14) 1C16
(X28) IC6
EXPANDER
IC
(X09) IC10
DECK MECHA
> (X08) IC3
DOLBY IC
M62460FP
FL DRIVER uCOM
uPD780204
(X09) IC1
SELECTOR IC
NJU7313AM
M38199MF-084FP
XX (X08) IC4
(X32)
IC3
E.
VOL(C,
S)
M62429FP
DSP
CXD2585Q
(X09)
IC4
TONE, SRS
M62430FP
(X32) IC4 X05, IC2
DAC IC
PCM1717E
PLL IC
LC72131
* EXCEPT RXD-V616/V818

4-2 Pin description
Microprocessor : M38199MF-084FP (X09, IC 10)
RXD-951/A700/AS00V'616/V818V919
CIRCUIT DESCRIPTION
ATT
E. vol attenuation
Pin
No
Pin
name
VO
Description
1
PS
IN
|
Parallel
serial
IC
input
data
2
PS
LOAD
O
Parallel
serial
IC
load
H
:
SHIFT
L:
LOAD
3
A
MUTE
O
|
Audio
mute
control
H
:
OFF
L:
ON
4
BP
IN
l
Speana
input
(A/D
converter
input)
5
JOG
CW
I
Jog
input
B
6
JOG
CCW
|
Jog
input
A
7
ENC
CW
I
Rotary
encoder
input
B
8
ENC
CCW
I
Rotary
encoder
input
A
9
H.P.
I
Headphones
switch
input
H:ON
L:
OFF
10
EMPHASIS
l
Video
CD
emphasis
11
CD
PROT
|
CD
protect
input
H
:
PROTECT
L
:
NORMAL
12
DRV
CLK
O
FL
driver
u-COM
control
clock
13
DRV
Sl
oO
FL
driver
u-COM
control
data
output
14
_DRVSO
FL
driver
u-COM
control
data
input
15
C
BUSY
O |
Video
CD
u-COM
busy
output
(MPEG)
16
VCLOCK
O |
Video
CD
u-COM
clock
(MPEG)
17
C
DATA
O
|
Video
CD
u-COM
data
output
(MPEG)
18
|
M
DATA
|__|
Video
CD
u-COM
data
input
(MPEG)
19
CD
CK
O
|
CDDSP
IC
clock
(CXD2587Q)
20
SQCK
O__|
CD
Sub
code
clock
(CXD2587Q)
21
CDDT
O
|
CDDSP
IC
data
(CXD2587Q)
22
SQSO
'
1
|
CD
Sub
code
input
(CXD2587Q)
23
CDXL
O
|
CD
latch
output
(CXD2587Q)
_
24
SENS
|||
CD
sense
input
(CXD2587Q)
25
CDSCK
O
|
Sense
data
reading
clock
output
(CXD2587Q)
26
_
LDON
O_|
CD
laser
output
H
:
OFF
L:
ON
27
DATA
O
|
SELECTOR/SYSTEM/DAC/DOLBY
IC
data
output
28
CLK
O
|
SELECTOR/SYSTEM/DAC/DOLBY
IC
clock
output
29
PROT
|
Protection
input
H:
PROTECTION
ON
L:
NORMAL
30
SCOR
l
Sub
code
synchronism
signal
(CXD2587Q)
31
E
DATA
O
| E.
vol
data
output
(M62430FP)
32
ECLK
|
O
|
E.
vol
clock
output
(M62430FP)
33
P/N-O
|
Video
CD
video
mode
H
:
PAL
L:
NTSC
34
M
BUSY
|
Video
CD
u-COM
busy
input
(MPEG)
35
RESET
|
|
Reset
signal
input
H
:
NORMAL
L:
RESET
36
X
CIN
|
Timer
clock
input
(32.768kHz)
37
X
COUT
©
|
Timer
clock
output
(32.768kHz)
38
XIN
|
Main
clock
input
(8.38MHz)
39
X
OUT
O |
Main
clock
output
(8.38MHz)
40
VSS
—
|
GND
41
PLL
DO-
I
PLL
data
input
_
42
STEREO
\
Stereo
detector
input
43
SD
|
|
SD
detector
input
44
:
CE
I
Power
failure
input
H:AC
ON
L:
AC
OFF
45
PLL
CE
oO PLL
IC
chip
enable
(LC72131)
46
TU
EMP
O
FM
emphasis
change-over
(M
type
only)
H
:
100kHz
L
:
50kHz
!
Polar/Pilot
change-over
(Q type
only)
-H:
POLAR
L:
PILOT
47
FL
RST
O FL
driver
reset
control
output
48
T
MUTE
O
|
TUNER
mute
control
output
49
DRV
ST
O
|
FL
driver
u-COM
control
strobe
output
7
50
HP
RLY
oO Headphones
relay
control
51
SEL
ST
O
|
Selector
IC
strobe
output
(NJU7313AL)
O

RXD-951/A700/AS00/V616/V818V919
Pin name
S)
CIRCUIT DESCRIPTION
Description
SYS ST
System IC strobe output (M62430FP)
CS RELAY
.CS speaker relay control H:ON
SP RELAY
r
Speaker relay control : ON
DOL ST
Dolby IC strobe output
MON
PMON control > ON
P/N-I
NTSC/PAL changeover > PAL
CDRST
CD DSP IC (CXD2585Q) reset control : NORMAL
M/A
i as
TV changeover control : MANUAL
ML
DAC IC (PCM1717E) strobe output
P RLY
=
Power relay control : ON
LMR
Loading motor control (reverse)
LMF
Loading motor control (forward) : ON
RMF
Rotary motor control (forward) : ON
BRKM
Rotary motor control (brake) : NORMAL
RMR
Rotary motor control (reverse) > ON
DC OFF
CD DSP IC power control (CXD2587Q) : ON
BEAT CANCEL
Beat cancel > ON
A/B
A/B Playback change-over :B
BIAS
Bias change-over : ON
R MUTE
NR
D-R/P
R/P
Deck rec mute control : OFF
Dolby noise reduction change-over : ON
O/O/OlO/O/OjO/OlO/OJ/O/O/O/Oj/O/O/O/O!O/OjO;O
Dolby rec/play change-over
Rec/play change-over
B CPM
B deck motor control
B SOL
B deck solenoid control
ACPM
A deck motor control
ASOL
XU LLLjyL\LlLjL\|L\LlTlLT\|LyTrit
A deck solenoid control
SPE3
TU/SPE2
TYP/SPE1 O;O/O/O|O/O|O|O
[ee ome Oe eee ee 0
Speana out 3
TUNER destination (scan)/speana out 2
Model discrimination (scan)/speana out1
RET4~RET1
Model discrimination input 4~1
Discrimination of TUNER destination (DSW3~DSW0)
A-PH A deck photo sensor input
B-PH
B deck photo sensor input
UNL SW
CD unload switch H:ON
LO SW
CD load switch : OFF
: ON
VCC
u-COM power supply (+5V)
ST SW
CD mechanism stop switch : OFF
> ON
UP SW
CD mechanism up switch : OFF
: ON
DN SW
CD mechanism down switch : OFF
> ON
PS SW
CD mechanism position switch : OFF
> ON
CD MUT
CD analog mute : OFF
> ON
ZERO
CD zero mute detection : MUTE OFF
: MUTE ON
VEE
GND
AVSS
A/D GND
VREF
10
A/D reference voltage