THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Type
MYXJAC220-230V
NVXJAC230V
¶ This product is a system(s) component.
This product does not function properly independently ; to avoid malfunctions, be
sure to connect it to the prescribed system component(s), otherwise damage may
result.
¶ Please connect it to the POWERED SUBWOOFER S-DV88SW or S-DV77SW, for
adjustment and operation inspection.
¶ Please connect it to the STEREO CD TUNER XC-L11 and the POWER STEREO
AMPLIFIER M-L11, for adjustment and operation inspection.
This service manual is intended for qualified service technicians ; it is not meant for the casual do-ityourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained
to properly and safely repair complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may
void the warranty. If you are not qualified to perform the repair of this product properly and safely, you
should not risk trying to do so and refer the repair to a qualified service technician.
WARNING
This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to cause
cancer, birth defects or other reproductive harm.
Health & Safety Code Section 25249.6 – Proposition 65
NOTICE
(FOR CANADIAN MODEL ONLY)
Fuse symbols (fast operating fuse) and/or (slow operating fuse) on PCB indicate that replacement parts must
be of identical designation.
REMARQUE
(POUR MODÈLE CANADIEN SEULEMENT)
Les symboles de fusible (fusible de type rapide) et/ou (fusible de type lent) sur CCI indiquent que les pièces
de remplacement doivent avoir la même désignation.
(FOR USA MODEL ONLY)
1. SAFETY PRECAUTIONS
The following check should be performed for the
continued protection of the customer and service
technician.
LEAKAGE CURRENT CHECK
Measure leakage current to a known earth ground (water
pipe, conduit, etc.) by connecting a leakage current tester
such as Simpson Model 229-2 or equivalent between the
earth ground and all exposed metal parts of the appliance
(input/output terminals, screwheads, metal overlays, control
shaft, etc.). Plug the AC line cord of the appliance directly
into a 120V AC 60Hz outlet and turn the AC power switch
on. Any current measured must not exceed 0.5mA.
Reading should
not be above
0.5mA
Earth
ground
Device
under
test
Also test with
plug reversed
(Using AC adapter
plug as required)
Leakage
current
tester
Test all
exposed metal
surfaces
ANY MEASUREMENTS NOT WITHIN THE LIMITS
OUTLINED ABOVE ARE INDICATIVE OF A POTENTIAL
SHOCK HAZARD AND MUST BE CORRECTED BEFORE
RETURNING THE APPLIANCE TO THE CUSTOMER.
2. PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in the appliance
have special safety related characteristics. These are
often not evident from visual inspection nor the protection
afforded by them necessarily can be obtained by using
replacement components rated for voltage, wattage, etc.
Replacement parts which have these special safety
characteristics are identified in this Service Manual.
Electrical components having such features are identified
by marking with a
in this Service Manual.
The use of a substitute replacement component which does
not have the same safety characteristics as the PIONEER
recommended replacement one, shown in the parts list in
this Service Manual, may create shock, fire, or other hazards.
Product Safety is continuously under review and new
instructions are issued from time to time. For the latest
information, always consult the current PIONEER Service
Manual. A subscription to, or additional copies of, PIONEER
Service Manual may be obtained at a nominal charge from
PIONEER.
on the schematics and on the parts list
AC Leakage Test
2
2. EXPLODED VIEWS AND PARTS LIST
NOTES:• Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List.
2.1 PACKING
The mark found on some component parts indicates the importance of the safety factor of the part.
•
Therefore, when replacing, be sure to use parts of identical designation.
Screws adjacent to mark on the product are used for disassembly.
21 O.P Plate Holder197004707
22 FR Plate19700601
23 FR Gear19700602
24 Pinch Roller ARM (F)197007303
25 Pinch Roller ARM (R)197007304
26 Reel Wing Spring19700812
27 Reel Assy (K)197008302
28 SUB MOTOR ASS'Y197009301
29 M Connector Assy19701002
30 MAIN MOTOR ASSY(P)197010303
31 Main Belt (G)19701106
32 FL Capstan Assy197011301
33 Case Lifter B19701201
34 Pack Slider19701203
35 P.S Actuator Plate19701204
36 Cushion Rubber19701206
37 Cassette Case R19701216
38 P.S Spring (P)19701219
39 REEL PWB ASSY197013312
40 RPE AC-5544BM-594962010502
41 Camera Screw 2.0x2.59C0420253
42 Camera Screw 2.0x3.09C0420303
43 Tams Screw 2.0x3.09P0220031
44 Tams Tapping Screw9P12-20-051
45 Screw 2.6x4.09P1420042
46 P. Washer 2.1x3.5x0.29W0120050
47 P. Washer 2.1x3.5x0.359W0135010
48 P. Washer 0.85x2.8x0.29W0225010
49 P. Washer 1.55x3.5x0.59W0250040
50 Hlw Washer 2.1x4.0x0.29W0635020
7
1
23
CT-L11
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM and OVERALL SCHEMATIC DIAGRAM
4
A
SIDE ASSY
A
: AWU7849
2
1
3
Q2305
2SK373
D
D
IC2441(1/2)
BA4558F
BIAS OSC
2SC2412K
Q2301
2SK373
Q2303
2SK373
REC/PB
HEAD
B
ERACE
HEAD
DECK
GNDB
Q2826
2SD211K
Q2825
2SD2114K
#
GNDB
ATX7006
5
4
6
L2801
MECHANISM
S
S
G
G
REC EQ
Q2801
2SC2412K
Q2802
PB AMP
-76dBv
AMP
V-6B
GNDA
2SC2412K
5
6
BIAS
V+6A
IC2301(1/2)
BA4558F
8
8
7
EQ
EQ
REC MUTE
GNDA
#
V+6B
Q2805
2SA1037
Q2806
DTC124EK
Q2803
Q2309
DTC114TK
Q2405
2SD2114K
Q2830
DTA124EK
Q2353
DTA114EK
PB LEVEL ADJ.
VR2301
VCP1154
4.7K-B
REC LEVEL ADJ.
RECMUTE
V+6A
XCrO2
BIAS
GNDA
V+6A
VR2401
VCP1156
10K-B
GNDA
RECMUTE
PB IN R
GNDA
REC
OUT
R
GNDA
PB IN L
14
3
ACC
2
HA12136AF
DOLBY-B NR
9
4
8
Q2202
DTA124EK
IC2201
REC/PB
12
-32.2dBv
LINE
OUT L
V+6A
V-6A
11
6
16
5
PB/XREC
RECMUTE
Q2354
DTA124EK
UNIT
TN-708CR-142R
CN2556
MAIN ASSY
: AWU7848
GNDC
C
SENSEt
Q2701
DTC143EK
V+5U
SENSEs
Q2702
DTC143EK
GNDD
V+6M
Q2751
2SB1425
ADD7323
V-6M
V+5U
GNDD
LOADING
V+5U
MECHA
CONT
XMOTOR
V+6A
X2501
VSS1045
6MHz
FWD/REV
CrO2(SW)
XREC-R
XMOTOR
SENSE1
MODE
SENSE2
XREC-F
LOAD1
LOAD2
10
11
47
23
17
25
20
19
22
3
40
41
REC
MUTE
IC2501
PDC081A
µ-COM
44
V+6A
15
MS
43
PB/XREC
XCrO2
45
Q2355
DTA124EK
BIAS
46
GNDC
DOL ON/OFF
39
GNDC
PBMUTE
37
DCLKDCLK
36
DREQDREQ
38
SCLK
4
SDATA
28
DDATA
34
XRESET
5
LED REC
32
LEDRVSM
31
KEY
13
Q2552
DTA124EK
1
GNDC
V+9
V-6A
BLUELED
Q2154
DTC124EK
Q2531
DTC143EK
PBMUTE
SCLK
SDATA
DDATA
+
GNDC
V+5
D
8
1234
5
678
CT-L11
Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST".
IC2121(1/2)
BA4558F
ALC
2SC2412K
Q2123
2SC2412K
GNDA
+
+
5
6
V+6A
MAIN ASSY
: AWU7848
V+6A
8
7
4
V-6A
F2101
RTF1209Q2121
MPX
MPX
3
2
36
IC2121(2/2)
BA4558F
1
MS
PB Lch
MS
REC L ch
S. DATA
S. CLK
D. REQ
D. CLK
D. DATA
GND PB
PB L ch
PB MUTE
REC L ch
Q2153
2SD2144k
PB MUTE
V+12V
:PLAYBACK SIGNAL ROUTE
:RECRDING SIGNAL ROUTE
CN2555
PROTECT
GNDA
GNDRY
V+12RY
GNDRY
A
B
TO MJ(MJ-L11) or CD TUNER(XC-L11)
V+6
GNDC
GNDM
GNDB
CHASSIS
GND
V-6 V-6M
V+6M
IC2013
NJM7806FA
INOUT
IC2014
NJM7906A
AC IN
AC CORD
INOUT
F
PRI ASSY
:AWU7850
D
KEYL ASSY
:AWU7852
C
TRADE ASSY
E
:AWU7851
V+5
CN2553
GNDC
J2902
J2554
J2581
STOP
PLAY
FWD/REV
D
OPEN/
CLOSE
KEYR ASSY
C
:AWU7853
9
5
6
7
8
1
23
CT-L11
3.2 SIDE, MAIN (1/2), KEYR and KEYL ASSYS
SIDE ASSY (AWU7849)
A
A
DECK
MECHANISM
UNIT
(TN-708CR-142R)
B
4
C
D
10
A
1234
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