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

1. Tuner adjustment
X05-490x
NO.
ITEM
INPUT
SETTINGS .
RXD-951/A700/ASOOV616V818/V919
ADJUSTMENT
OUTPUT
SETTINGS
TUNER
SETTINGS
ALIGNMENT
POINTS
ALIGN FOR
DISCRIMINATOR
DISTORTION
(A)
98 MHZ,
70dBf (ANT INPUT)
1 kHz, +40 kHz DEV
Connect a DC voltmeter
between pin 1 and pin2 of
CN2.
MONO
98.0 MHz
L31
ov
L32
(EXCEPT K/P)
Minimum
distortion.
DISTORTION
(STEREO)
(C)
98 MHz,
70dBf (ANT INPUT)
1 kHz, +40 kHz DEV
INPUT
SETTINGS
OUTPUT
SETTINGS
AUTO
98.0 MHz
TUNER
SETTINGS
T1(IFT)
(A1)
ALIGNMENT
POINTS
Minimum
distortion.
ALIGN FOR
TUNED LEVEL
(A)
98 MHz,
31.2dBt (ANT INPUT)
1 kHz, #40 kHz DEV
MONO
98.0 MHz
Adjust VR1 andstop
at the point where
ED1 a goes
N.
X05-4710
DISTORTION
(STEREO)
(A)
98 MHz,
70dBf (ANT INPUT)
1 kHz, +40 kHz DEV
PILOT: +6 kHz DEV
INPUT SETTING
OUTPUT
SETTING
AUTO
98.0 MHz
TUNER
MODE
T1(IFT)
(A1)
ALIGNMENT
POINTS
Minimum
distortion.
ALIGN FOR
DISCRIMINATOR
(A)
98MHz
1kHz, +40kHzdev
70dBf (ANT input)
Connect a DC
voltmeter to CN2
MONO
98.0MHz
L5
DISTORTION
(STEREO)
(C)
98MHz
1kHz, +40kHzdev
Pilot, +6kHzdev
70dBf (ANT input)
AUTO
98.0MHz
T1(IFT)
(A1)
Minimum distortion
X04-1313 Q TYPE (65MHz~74MHz BAND)
SENSITIVITY
(SW)
(D)
6.5MHz
400Hz30%mod
40dBf (ANT input)
INPUT
SETTINGS
OUTPUT
SETTINGS
TUNER
SETTINGS
ALIGNMENT
POINTS
Maximum output
ALIGN FOR
(E)
69 MHz,
70 dBf (ANT INPUT)
1 kHz, 0 kHz DEV
SUB, 0 kHz DEV
Connecta frequency
counter to VCO monitor
(CN2).
AUTO
69 MHz
Adjustit the
frequency counter
reads 31.25 kHz
+100 Hz.
RESONANCE
POINT
(E)
69 MHz,
70 dBf (ANT INPUT)
1 kHz, 40 kHz DEV
SUB, 10 kHz DEV
Select: LorR
Connecta oscilloscope
to TUNER OUT(CN6).
Minimum
crosstalk.
SEPARATION
(E)
SAME AS ABOVE
Connecta oscilloscope
to TUNER OUT(CN6).
Minimum
crosstalk.
11

RXD-951/A700/AS00/V616/V818V919
ADJUSTMENT
NN
Fig (a)
TO X05 CN1
9pin (Lch)
11 pin (Rh)
10 pin (GND)
AC voltmeter Oscilloscope
Distortion meter
2. Test mode of CD player
2-1 Main unit
(1) Setting of the test mode (3) Operation
While pressing the [PLAY/PAUSE] key, plug the AC KEY DISPLAY OPERATION
power cord into AC outlet. ~ SETTING OF THE TEST MODE
(2) Canceling of the test mode PLAY/PAUSE CD 00 CANCEL THE CLAMP
+ AC IN TRAY 1/3 ROTATION
Press the [STOP] key on stop mode or unplug the TRAY OPENS AUTOMATICALLY
* TRAY CLOSE
STOP = CD 00 CANCEL THE CLAMP
PLAY/PAUSE CD 03 TRAY CLOSE/DISC CLAMP
eye CD 05 + T-SERVO OFF(03) OR ON(05)
DISC SKIP TRAY 1/3ROTATION
DISC 1 07 EF/FB MECHANISM STOPS WHEN THE
AUTOMATIC ADJUSTMENT IS
FINISHED. |
08 TG*FG DISPLAY CHANGES CYCLICALLY
09 TE/RF IF NG, DISPLAY BLINKS UP
10 TEVC
DISC 2 + AUTO (OSD 2 ON) | * VIDEO OUT CHANGEOVER
(RXD-V616 DISPLAY CHANGES CYCLICALLY
V818
AC power code from AC wall outlet.
v919) | (SCROLL DISPLAY)
* OSD 2 ON: All display except TNO. of PBC PLAY
OSD 1 ON: Display except DISC NO. and T.NO.
OSD OFF : None display
12

RXD-951/A700/AS00V'616/V818V919
ADJUSTMENT
3. Adjustment of CD player
INPUT
SETTING
Step 1,2 are in TEST MODE
TEST MODE : While pressing the [PALY/PAUSE] key, plug the AC power cord into the AC outlet.
OUTPUT
SETTING
PLAYER
SETTING
ALIGNMENT
POINT ALIGN FOR
No.| ITEM
On the power
from.0.05 to 0.15mw.
when the diffraction
grating is correctly
aligned with the RF
level of 0.8Vp-p or
more
Set the senor section
of the optical power
meter on the pickup
lens.
Press the"PLAY"key
to check that the dis-
play is "03".
Connect an oscillo-
scope as follows.
CH1 : RF(CN7 pin1)
CH2 : FE(CN7 piné)
GND : VC(CN7 pin4)
FOCUS
ERROR
BALANCE
Press the "PLAY" FE
key. Confirm that the; BALANCE
display is”05” VR1
Test disc
Type 4 Optimum eye pattern
Note:
Type 4disc :SONY YEDS-18 Test Disc or equivalent. (KTD-02)
LPF : Around 47kQ + 390pF or so.
(d)
(a)
Laser
Power
RF
signal
:
AC
coupled
O 0.05~0.15 mW
Sz ) -_
ae, Be
Pickup Optical power meter
@ FF signal in test mode (PLAY).
@ Perform the tangential and focusing offset are focused
into one point on the display. The crossing points above
and below the center shall also be looked clearly.
4. Test mode of DECK section
(1) Setting
While pressing the PLAY key(DECK), plug the AC
power cord into an AC power outlet.
(2) Resetting
* Disconnect the AC power cord from an AC power out-
let or press the [ON/STANDBY] key.
(3) Operation in TEST mode
(a) Initial condition
Item Condition
Power ON
Selector TAPE
Main VOL. -45dB(VOL45)
EX. bass OFF
FL, LED, LCD All the FLs are turned
on for 10 seconds
(b) 4-sec REC
If the REC key is pushed, the system record for 4sec.
Then, it rewinds to the REC starting position and
plays back automatically.
If the REC key is pushed during the 4-sec REC oper-
ation, the system records further for 4-sec, then
returns to the starting position of the first 4-sec REC
operation and plays back.
(c) Mechanism SW detection
SW Display
B FWD REC Inhibit SW CD Calendar (1)
B RVS REC Inhibit SW CD Calendar (2)
A Pack SW CD Calendar (3)
| B Pack SW CD Calendar (4)
(d) Indication of A/B deck
A/B key Display
A deck ECHO
| B deck SLEEP
13

RXD-951/A700/AS00V616/V818/V919
ADJUSTMENT
5. Cassette Deck adjustment
No ITEM INPUT OUTPUT DECK ALIGNMENT
SETTING SETTING SETTING POINT
Unless otherwise specified, set the respective switches as follows:
TAPE : NORMAL DOLBY: OFF — PLAY OUT : Lch (X28,CN6 @ pin), Reh (X28,CN6 @ pin)
I . Cassette mechanism unit (Adjustment of the REC / PLAY head)
ALIGN FOR FIG.
OdBs=0.775V
Demagnetize the
REC / PLAY head
= with the head
Power : OFF Recording eraser.Clean the
Demagnetiza- | head, erase | REC / PLAY head,
tion,cleaning, | head,capstan | erase head,capstan
PLAY pinch roller and pinch roller
using a cotton swab
slightly damped with
alcohol.
Demagnetization
and cleaning
Adjust the output to
maximum and adjust
the azimuth adjust-
TCC-153 ment screw for the
MTT-114 Lissajours waveform
pattern of the oscillo-
scope to become
close to a 45°
straight line.
Azimuth of the
REC/PLAY head 10kHz, - 10dB
I. PC BOARD ADJUSTMENT
TCC-110 Adjust the tape
MTT-111 speed so that 3kHz
a TAPE
) SPEED(NORMAL)! SCC-1727 is obtained at the
3kHz VR6 center of the tape.
C BOARD ADJUSTMENT
Adjust the playback
PLAYBACK MTT-— 150
output to -2.5dBs
LEVEL 400Hz
(A) Record 400Hz and
Adjust the AG 12.5kHz alternately,
BIAS CURRENT
for the output of
the DECK to
become 400Hz
(-20dB)/12.5kHz
and adjust the bias
current adjustment
potentiometer for the
playback levels to
(-20dB) become the same.
AC voltmeter
AC
voltmeter
Oscilloscope
Frequency counter
goog 5
14

RXD-951/A700/A900/V616V818V919 — RXD-951
WIRING DIAGRAM
USED RXD-V616/V818/V919
CNt
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| CD CHANGER | |
1 | MECHA. :CDM-27 |
| | (D40-1590-08) |
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USED RXD-A700/A900/951/951E/951W
CD CHANGER MECHA. :CDM-27
D40-1590-08
CN1 —AXD-A700 (X32-3590-10) RXD-951 (X32
DESTINATION
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RXD-A700E (X32-3590-10)
UNIT No.
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RXD-AG00 (X09-6010-11)
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RXD-A700
(X05-489X-XX)
RXD-951
(X05-4902-70)
RXD-951W
(X05-4903-81)
|
A
[DESTINATION | [DESTINATION] [DESTINATION]
FM
3000]
GND
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VR1
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RXD-951(Y,M,1,X)
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RXD-V616(M4,l4)
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RXD-V919(M2, 12)
RXD-951/951E/951W
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USED
RXD-V616/V818
RXD-V616 ONLY
RXD-A700W (X05-4903-81
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AMP
|
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[“couNTRY ABB] (X08-2XXX-XX) (A/3)
[GERERALMARRETT
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RXD-A700E
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RXD-A700W
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AXD-951W
(X09-6013-81)
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{X08-2872-71)
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16

RXD-951/A700/ASOOV616V818/V919
WIRING DIAGRAM
(X14- ) (D/6)
RXD-V616 (X14-48XX-XX)
DESTINATION
a eet -_-_--_—_——
DISPLAY UNIT (AMP) |
| |
PRET] Mi |
| (X14-48XX-XX) (A/6)
[| FS) |
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| AXD-V818 (X14-48XX-XX) | 1 1 RXD-V616/A700
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PMs |
MALAYSIA__| 13 | a28
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DESTINATION Uni Ne,
COUNTRY
STA I 1USED
MALAYSIA bad RXD-V818/V919/
SHANGHAT A900/951
RXD-A700 (X14-4810-10)
CANADA __[ P2 |
AUSTRALIA
RXD-A700E (X14-4810-10)
cCN1 DESTINATION
COUNTRY,
EUROPE
RXD-A700W (X14-4810-10)
DESTINATION
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HEADPHONE
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FAIXD-O51W
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220-240V~
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(K,P) : AC120V 60Hz
PRIMARY UNIT» (Ox) : AGZ20N~ BOR 4
(x09- ) (E/8) |
(x) : AC240V~ 50Hz
(E.E2) | AC230V~ 50Hz |
‘
RXD-A700/A900
RXD-V616/V818/V919
1
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L
RXD-951/951E/951W
17

Cai
Refer to the schematic diagram for the value of resistors and capacitors.
ide view)
XX
359X-
ge
Sisieermeaclon
PC BOARD (Component s
CD MECHANISM UNIT X32
DIGITAL
OUTPUT
OPTICAL
18

F H
PC BOARD (Component side view)
CD MECHANISM UNIT
X32-358X-XX
2
3
4
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5
OPTICAL
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6
Refer to the schematic diagram for the value of resistors and capacitors.
19

K M 0
PC BOARD (Component side view)
CASSETTE MECHANISM UNIT
X28-2960-10
20
Refer
to
the
schematic
diagram
for
the
value
of
resistors
and
capacitors.