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
Page 3
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
Page 8
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
Page 9
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
Page 10
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
Page 11
5
678
CT-L11
B 1/2
MAIN ASSY (AWU7848)
SIGNAL ROUTE
: PLAYBACK SIGNAL
: RECORDING SIGNAL
A
B 2/2
B
C
KEYR ASSY
(AWU7853)
J2581
E
KEYL ASSY
D
(AWU7852)
: The power supply is shown with the marked box.
KEYL ASSY
S2592 : REC/ PAUSE
TouchFWD/REV
Sencer
KEYR ASSY
S2581 : STOP
Touch : OPEN/CLOSE
Sencer
J2554
E
C
D
B1/2
5
6
7
C
D
8
11
Page 12
1
23
CT-L11
3.3 MAIN (2/2), TRADE and PRI ASSYS
A
(TN-708CR-142R)
B
4
ADD7323
C
J2554
D
J2581
C
LIVE
NEUTRAL
AC POWER CORD
ADG1154
or ADG1156
AC220-230V/50Hz
TRADE ASSY
E
(AWU7851)
F
D15A05-150-2651
J
PLOTECT
PRI ASSY
(AWU7850)
250mA
J2002
D
12
B2/2
1234
E
F
Screw Terminal
1948
Page 13
5
B 2/2
MAIN ASSY (AWU7848)
678
CT-L11
SIGNAL ROUTE
: PLAYBACK SIGNAL
: RECORDING SIGNAL
A
6.3V
CHECK POINT for Service
B 1/2
B
C
–6.3V
: The power supply is shown with the marked box.
5
6
To MJ(MJ-L11) or CD TUNER (XC-L11)
7
B2/2
8
D
13
Page 14
1
23
CT-L11
4. PCB CONNECTION DIAGRAM
4.1 SIDE ASSY
A
A
SIDE ASSY
NOTE FOR PCB DIAGRAMS:
1. Part numbers in PCB diagrams match those in the schematic
diagrams.
2. A comparison between the main parts of PCB and schematic
diagrams is shown below.
Symbol in PCB
Diagrams
BCE
BCE
B
DGS
Symbol in Schematic
Diagrams
BCE
BCEBCE
DGSDGS
BCE
Part Name
Transistor
Transistor
with resistor
Field effect
transistor
Q2304
Q2302
Q2301
Q2303
Q2821
Q2822
Q2824
Q2823
Q2306
Q2305
VR2821
VR2823
4
SIDE A
To DECK
Mechanism
VR2822
VR2824
Resistor array
3-terminal
regulator
3. The parts mounted on this PCB include all necessary parts
for several destination.
For further information for respective destinations, be sure
to check with the schematic diagram.
NOTES:•Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List.
Mark No. Description Part No.
LIST OF PCB ASSEMBLIES
NSPTC COMPAWM7632
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.
When ordering resistors, first convert resistance values into code form as shown in the following examples.
•
Ex.1 When there are 2 effective digits (any digit apart from 0), such as 560 ohm and 47k ohm (tolerance is shown by J=5%,
and K=10%).
For adjustment, use the STEREO CD RECEIVER (XC-L11) in combination with the DISPLAY UNIT(AXX7107).
6.1 TEST MODE
How to Enter the Test Mode
In case of system operation ........
Receive “A15F” (bus data 1C5F) with the remote control or switch on the power with the TEST MODE JP [W157 (GNDC) and W1538
(TEST)] of the MAIN ASSY short-circuited (pin 30 of the microcomputer connected to GND).
(Refer to Fig. 6-1.)
In case of single operation ........
Connect part A of the MAIN ASSY [W263 (GNDA) and W105 (GNDC) ], short-circuit the TEST MODE JP [W157 GNDC) and
W158 (TEST)] (pin 30 of the microcomputer connected to GND), short-circuit JP the PRI ASSY [W152 and W180] and supply AC
power cord to connect. (Refer to Fig. 6-1.)
* Single operation the keys “EJECT” , "STOP", "REC" and “PLAY” operate normally, and other connect part B
of the TRADE ASSY W260 (GNDC), short-circuit the TEST JUMPER [W111(REW) and W112(FF)].
CT-L11
TRADE ASSY
For Service Jumper Wire
GNDC
W260
REW
W111
F F
W112
FRONT
TEST MODE
MAIN ASSY
Short point
W158
W157
B
W261 ...... RECR
W262 ...... RECL
W265 ...... PBL
W266 ...... PBR
A
Fig. 6–1
23
Page 24
CT-L11
6.2 SINGLE OPERATION METHOD
Operation of the Test Mode
1. When the “EJECT” key is pressed, cassette mechanism switch
check mode is entered and the DISPLAY Part displays the
following.
REV REC SW
ON: REV recording possibleR
OFF:Impossible –
FWD REC SW
ON: FWD recording possibleF
OFF:Impossible –
TAPE TYPE
NORMAL (TYPE I)1
CrO2 (TYPE II)2
2. When the “REC PAUSE” key is pressed, the mode for opening
of REC PLAY is reached, automatic recording and playback
mode is reached and the following operation is performed.
1 FUNCTION is set to AUX.
2 FWD recording is performed for 4 sec.
3 RVS recording is performed for 4 sec.
4 FWD playback is performed for 4 sec. (Function becomes
TAPE), and the unit stops.
6 STOP.
LINE MUTE opens in REC condition.
Operation of preparation
Connect part A of the MAIN ASSY [W105(GNDC) and
W263 (GNDA)], short-circuit the TEST MODE JP [W157
GNDC) and W158 (TEST)] (pin 30 of the microcomputer
connected to GND), and supply AC power cord to connect.
In case of single connect load
In case of adjustment as a single unit, connect a 27 kΩ load
resistor to pins W266(PBR) and W265(PBL) of (MAIN
ASSY ). (Refer to Fig. 6-4.)
In case of input signal
In case of adjustment as a single unit, enter the signal at
W262(REC_L) and W266(REC_R) of MAIN ASSY. At this
time, connect an output buffer amplifier to the oscillator, and
then connect a series resistor(180 Ω) after the impedance
hasbecome sufficiently low. (For MPX filter impedance
matching) (Refer to Fig. 6-4.)
In case of Fuction
Connect part B of the TRADE ASSY[ “REW”(W111) and
“FF”(W112) circuit the TEST JUMPER [W260 GNDC] .
REW
GNDC
W260
W111
F F
W112
3. "DOLBY" ON/OFF check mode is made with the main part "
STOP" key.
4. The remote control the keys “PLAY”, “FF”, “RWD”, “STOP”,
and “REC” operate normally and LINE MUTE opens in REC/
REC PAUSE condition.
7 Cancellation of test mode
Press the “STANDBY/ON” key or disconnect the AC power
supply.
24
Page 25
6.3 ADJUSTMENT
Please execute this adjustment in test mode .
CT-L11
Adjustment Condition
(1) The ground at the time of adjustment shall be W134.
(Refer to Fig. 6–4).
(2) Clean the heads and demagnetize them using a head eraser.
(3) Set the measurement level to 0 dBV = 1 Vrms.
(4) Use the specified tape for adjustment. Use the labeled (A) side
of the test tape.
NCT–111: For Tape Speed Adjustment
: For Head Azimuth Adjustment
NCT–132X: For Playback Level Adjustment
: For Playback Frequency Adjustment
STD–633: Normal blank tape
STD–622: CrO
(5) Provide yourself with the following measuring devides:
• AC millivoltmeter
• Low-frequency oscillator
• Attenuator
• Oscilloscope
(6) Adjust both right and left channels unless otherwise specified.
(7) Turn the DOLBY NR switch off unless otherwize specified.
(8) Warm up the unit for several minutes before adjustment. In
particular, be sure to warm up the unit in the REC/PLAY mode
for 3 to 5 minutes before starting recording/playback frequency
characteristics adjustment.
(9) Always follow the indicated adjustment order.
Otherwise, a complete adjustment may not be achieved.
2 blank tape
List of Adjustment
¶ Playback Section
(1) Tape Speed No Adjustment (Confirmation)
(2) Head Azimuth Confirmation
(3) Playback Level Adjustment FWD
REV Confirmation
(4) Playback Frequency Characteristics Confirmation
Dolby noise reduction manufactured under license from Dolby
Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol are trademarks of Dolby
Laboratories Licensing Corporation.
Test Tape NCT-132X
0 dB
30s
315 Hz
0 dB: 315 Hz, 250 nwb/m
30 s 30 s 30 s 10s 10s .......................................................................................................... 10s
Check that the frequency
characteristics is within the
range of Fig. 6-2.
Remarks
Note: Set the 10kHz input signal level to the same value as the 315Hz input signal level of step 1.
(2) Recording Level Adjustment
No.ModeInput Signal/Test TapeAdjustment Points
1
*
REC =
2
PLAY
Input a 315Hz (-10dBv)signal to
the REC IN terminal .
(W262:REC L) (W261: REC R)
• STD–633 test tape and record/
playback the 315Hz signal.
• DOLBY NR : OFF
Input signal level–10 dBV
L ch
R chVR2402
VR2401
Measurement
Points
PB L cH(W265)
PB R cH(W266)
(MAIN ASSY)
Adjustment
Value
Repeat recording, playback and
adjustment until playback level of the
315Hz signal becomes –
Remarks
10dBV ± 0.5dB
.
*: In case of adjustment as a single unit, enter the signal at W262(RECL)and W261(RECR) ofMAIN ASSY. At this time, connect an output
buffer amplifier to the oscillator, and then connect a series resistor (180 Ω) after the impedance has become sufficiently low. (For MPX
filter impedance matching)
26
Page 27
CT-L11
Adjustment and Measurment Points
W261 ...... RECR
W262 ...... RECL
W265 ...... PBL
W266 ...... PBR
PB LEVEL
VR2302
(R ch)
VR2301
(L ch)
MAIN ASSY
TEST MODE
VR2821
(FWD:L ch)
VR2822
(FWD:R ch)
VR2823
(REV:L ch)
VR2824
(REV:R ch)
REC LEVEL
VR2401
VR2402
(R ch)
BIAS LEVEL
(L ch)
Front
SIDE ASSY
Fig. 6–4 Adjustment and Measurement Points
27
Page 28
CT-L11
7. GENERAL INFORMATION
7.1 DIAGNOSIS
7.1.1 DISASSEMBLY
Bonnet, Top Panel 1, Top Panel 2 and Top Plate
3
hook
Bonnet
3
Illuminate Lens
3
KEYR Assy
4
KEYL Assy
Illuminate Lens
2
1
2
Top Panel 1
1
1
Top Panel 2
1
hook
1
2
1
28
Illuminate
Lens
Illuminate
2
2
Lens
1
1
Top Plate
1
1
1
Page 29
CT-L11
1
Remove Sub Panel TC Assy
3
Disconnect the 16P FFC/30V
(J2701)
2
2
2
2
Remove the four screws
4
Disconnect the Flexible Flat Cable
(CN2301)
PCB Location
PRI ASSY
F
TRADE ASSY
E
KEYL ASSY
D
KEYR ASSY
C
SIDE ASSY
A
MOTHER ASSY
B
29
Page 30
CT-L11
7.1.2 POWER ON SEQUENCE
• STANDBY/ON key is pressed.
• Receive the system power on
information with the sytem bus.
Go to Power ON
500mS WAIT
M_ MODE :
STOP ?
M_MODE : Pin No. 17
No
Yes
Is MODE SW
OFF ?
Yes
LOAD2 100mS ON
LOAD2 :
Pin No.41
No
LOAD2 ON
M_MODE :
EJECT ?
No
Is it second
times ?
Yes
:Give up
LOAD2 OFF
Yes
No
30
Mechanism Initializa end.
END
Page 31
7.2 PARTS
No. Pin Name I/OPin FunctionNo. Pin Name I/OPin Function
1DIMR 1O BLUE LED Dimmer control 125 SENSE 2ISensing pulse input 2
2DIMR 2O BLUE LED Dimmer control 226 NC− Not used
3XMOTORO Cassette mechanism main motor control27 S.DOUTO System bus output data
4S.CLKI System bus clock28 S.DINISystem bus input data
5XRESETIReset input29 NC− Not used
6E+5VI Connect to V
DD
30 XTESTITest mode detection input
7NC− Not used31 NC− Not used
8E+5VI Connect to V
DD
32 LEDRECO Dir LED(REC) ON/OFF
9GNDC− GND33 NC− Not used
10 CF1I
Connected to ceramic oscillator ( 6 MHz)
34 D.DATAO Display bus Data control
11 CF2O35 NC− Not used
12 E+5V− Power supply +5V36 D.CLKO Display bus Clock control
13 KEY1I
AD key data input
37 XPB MUTEO PB MUTE control
14 E+5V−38 D.REQIDisplay bus Request
15 MSIMS audio signal input39 DOLBYO DOLBY NR control
16 NC− Not used40 LOAD 1O
Loader mechanism motor close control (–)
18 NC− Not used42 NC− Not used
19 XRECRI REV REC detection SW input43 PB/XRECO DOLBY PB/REC control ON/OFF
20 XCrO
2
(SW)ICrO2 position detection SW input44 RECMUTEO REC MUTE control
21 NC– Not used45 XCrO
2
O Normal / CrO2 control
22 XRECFIFWD REC detection SW46 BIASO BIAS control
23 SENSE 1ISensing pulse input 147 XFWD/RVSO Head (FWD/RVS)SNLG Switch
24 NC− Not used48 NC− Not used
Connect to V
DD
7.2.1 IC
• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.
PDC081A (MAIN ASSY : IC2501)
• System Microcomputer
Pin Function
•
CT-L11
31
Page 32
CT-L11
8. PANEL FACILITIES AND SPECIFICATIONS
PANEL FACILITIES
23
PLAY (touch sensor)
¶8 RECORD PAUSE
PLAY
23
¶8
!
REC PAUSE
DOLBY* NR
*
¶
Dolby noise reduction manufactured under license from
Dolby Laboratories Licensing Corporation.
¶
“DOLBY” and the double-D symbol are trademarks of
Dolby Laboratories Licensing Corporation.
0 EJECT (touch sensor)
Cassette loading slot
SPECIFICATIONS
System ......................................................4-track, 2-channel stereo