PDF Service Manual Pioneer XC-IS21MD CD MD Tuner - 736 KB
This is the official service manual for the Pioneer XC-IS21MD CD/MD Tuner system.
It provides detailed information for technicians to perform repairs, adjustments, and troubleshooting.
The manual includes circuit diagrams, parts lists, and disassembly procedures.
Restore your Pioneer audio system to its original performance with this essential technical guide.
PDF Viewer
Viewer loads when you scroll here
SHARE THIS MANUAL
Download the PDF Manual
PDF viewer loading area
Text Preview from This Manual
The text below was extracted from the visible preview pages to help you confirm the manual contents before download.
--- Page 1 ---
ORDER NO.
RRV2149
CD MD TUNER
XC-IS21MD
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type Power Requirement Remarks
XC-IS21MD
ZUCXJ O DC power supply from other system
This product is a system(s) component.
This product does not function properly when independent; to avoid malfunctions, be sure
to connect it to the prescribed system component(s), otherwise damage may result.
System
Component Service Manual Remarks
IS-21MD
CD MD TUNER XC-IS21MD RRV2149 This service manual
STEREO POWER AMPLIFIER M-IS21 RRV2143
SPEAKER SYSTEM S-IS21 RRV2141
CONTENTS
1. SAFETY INFORMATION ....................................... 2 7.1DIAGNOSIS .................................................... 68
2. EXPLODED VIEWS AND PARTS LIST ................. 3 7.1.1 SINGLE OPERATION METHOD ........... 68
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 14 7.1.2 SEQUNCE AFTER THE POWER ON ... 70
4. PCB CONNECTION DIAGRAM ........................... 38 7.1.3 DETAILS OF ERROR DISPLAY ........... 71
5. PCB PARTS LIST ................................................ 52 7.1.4 DISASSEMBLY ..................................... 74
6. ADJUSTMENT ..................................................... 57 7.1.5 PCB LOCATION .................................... 80
7. GENERAL INFORMATION .................................. 68 7.2 PARTS ........................................................... 81
7.2.1 IC .......................................................... 81
8. PANEL FACILITIES AND SPECIFICATIONS ....... 96
PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Allexandra Road, #04-01, Singapore 159936
c PIONEER ELECTRONIC CORPORATION 1999
T – ZZY MAY 1999 Printed in Japan
--- Page 3 ---
XC-IS21MD
÷ FRONT PANEL ASSY (2/2) PARTS LIST
Mark No. Description Parts No.
1 CD MOTOR ASSY AWU7318
2 CD ASSY AWU7307
3 Slider Motor VXM1033
NSP 4 Motor Shield ANK7067
5 Motor Pulley PNW1634
6 Gear Holder AMR7240
7 Gear A ANW7063
8 Gear B AMR7260
9 Gear Pulley A ANW7066
10 Belt AEB7171
11 CD MECHANISM ASSY KSM-620AAA
12 Float Spring ABH7170
13 Mechanism Holder AMR7242
14 CD Door Window AAK7673
15 CD Door Escutcheon AAK7619
16 CD Door AAN7189
17 Shaft Assy AXG7078
18 Shaft Holder AMR7237
19 Cussion Rubber AEB7154
20 Screw BBZ30P080FMC
21 Screw VPZ30P080FZK
22 Screw ABA7054
23 Screw PMZ26P040FMC
24 Screw IPZ20P080FMC
25 Float Rubber AEB7129
26 17P F.F.C/ 30V ADD7146
27 Screw VPZ30P100FMC
11
--- Page 4 ---
5 6 7 8
XC-IS21MD
CN10 A
F
0.47/50
CN110
B
CN40
PDG241
L
J140
C
CN70
CN170
LCD ASSY D
D (AWU7355)
5 6 7
C D 8
21
--- Page 5 ---
XC-IS21MD
IC106 IC108 IC109 IC110 IC112 IC113
PIN VOLTAGE PIN VOLTAGE PIN VOLTAGE PIN VOLTAGE PIN VOLTAGE PIN VOLTAGE
NO. NO. NO. NO. NO. NO.
1 1.6V 1 2.47V 1 2.77V 1 0V 1 1.66V 1 4.95V
2 0.49V 2 2.63V 2 2.77V 2 3.2V 2 1.62V 2 3.96V
3 1.61V 3 4.87V 3 3.2V 3 0V 3 1.62V 3 0V
4 4.99V 4 2.63V 4 1.58V 4 3.2V 4 0V 4 0V
5 4.99V 5 1.59V 5 1.58V 5 0V 5 1.67V 5 0V
6 1.61V 6 0V 6 1.56V 6 0.11V 6 1.67V 6 0V
7 1.62V 7 0V 7 0V 7 0V 7 1.67V 7 0V
8 2.46V 8 4.87V 8 0V 8 0V 8 3.19V 8 0V
9 2.51V 9 0V 9 0V 9 4.94V
10 0V 10 2.25V 10 0V 10 4.12V
11 0V 11 4.94V 11 0V 11 3.19V
12 2.54V 12 4.94V 12 0V 12 0V
13 2.45V 13 4.94V 13 0V 13 0V
14 1.62V 14 4.94V 14 3.2V 14 4.94V
15 1.62V 15 3.12V
16 1.61V 16 4.94V
17 3.17V
18 0V
19 1.61V IC114 IC116
20 1.61V PIN VOLTAGE PIN VOLTAGE
21 1.61V NO. NO.
22 1.61V 1 0V 1 4.98V
23 1.36V 2 4.19V 2 0V
24 1.36V 3 3.21V 3 0V
25 1.61V 4 2.81V 4 4.99V
26 1.61V 5 0V 5 3.2V
27 1.63V 6 0V
28 2.41V 7 0.03V
29 2.55V 8 3.18V
30 2.47V 9 0V
31 2.48V 10 0V
32 0V 11 0V
33 0V 12 0.22V
34 2.79V 13 0V
35 2.18V 14 0.25V
36 0V 15 0.25V
37 1.69V 16 2.82V
38 5.0V 17 0.16V
39 4.99V 18 4.94V
40 1.67V 19 2.82V
41 1.69V 20 1.33V
42 1.69V
31
--- Page 6 ---
1 2 3 4
XC-IS21MD
A
SIDE B
B
C
(ANP7303-B)
IC5501 IC5502 Q5751
D
Q5506 Q5501 Q5502 Q5752 Q5701 Q5502
1 2 3
C
4
41
--- Page 7 ---
1 2 3 4
XC-IS21MD
M FRONT PANEL ASSY
A
B
Q5902
Q5901
C
Q5903
D
(ANP7301-B)
SIDE B
1 2 3
M
4
51
--- Page 8 ---
XC-IS21MD
4 Preliminary Adjustment
Step No. Operation Keys and Operation Method FL Display Status Remarks
3 Press the NAME key (until AUT YOBI is displayed). AUT YOBI Preliminary adjustment mode
4 Preliminary adjustment starts when the PLAY key is HAo :
pressed. RFg :
PTG :
|
Can't ADJ. Defective adjustment
(problem with the servo system)
COMPLETE Adjustment end
5 Press the STOP key. AUT YOBI Return to menu display
6 Power OFF EEPROM W Writing to the EEPROM
GGF1328
(MMD-212)
Note: When this adjustment is performed after defocus adjustment has been performed, defocus is returned to the initial status, and defocus
adjustment must be performed.
5 Normal adjustment
Step No. Operation Keys and Operation Method FL Display Status Remarks
1 Short circuit MECH TEST MODE during the power EJECT Test mode
ON.
(Fig.6-1)
2 Insert the test disc GGF1328 (MMD-212). LOADING
GRT AJST
3 Press the NAME key (until AUTO AJST is displayed). AUTO AJST Normal adjustment mode
4 Normal adjustment starts when the PLAY key is pressed. PEG :
HAG:
|
Can't ADJ. Defective adjustment
(problem with the servo system)
COMPLETE Adjustment end
5 Press the STOP key. AUTO AJST Return to menu display
6 Defocus adjustment
Step No. Operation Keys and Operation Method FL Display Status Remarks
1 Short circuit MECH TEST MODE during the power EJECT Test mode
ON.
(Fig.6-1)
2 Insert the test disc GGF1328 (MMD-212). LOADING
GRT AJST
3 Press the NAME key deFO AJST
(until deFO AJST is displayed).
4 Press the PLAY key. PEG : Defocus mode is entered, and after automatic
of c FESpp : execution of normal adjustment, the C1 error at
of000c0015 the time of focus offset 0 is displayed.
Deforcus Value C1 Error Value
5 Check the jitter value and end the adjustment when
the intermediate jitter value is 29 nsec or less.
6 Press the REC key. of+04 c0032 The C1 error with application of a focus offset of
about 0.4 µm on the + side is displayed.
The jitter value (J+) at this time is recorded.
61
--- Page 9 ---
XC-IS21MD
7.1.3 DETAILS OF ERROR DISPLAY
Error Display Details of Error Measure
Can't REC ÷ DEFECT occurred 10 times continuously during REC-PLAY. ÷ Check if there are scratches, dusts, fingerprints, or black
÷ Recordable cluster became 0 since DEFECT occurred during spots on disc. Check if disc fluctuates eccentrically or
REC-PLAY. moves up and down largely.
÷ Address is unreadable. REC state can not be set for 20 seconds
even after try again.
Can't COPY ÷ Determined as follows according to the channel status of the ÷ Check if CD is copy-proof. (Example: CD-R, etc.)
signals input from D-IN during REC-PAUSE or REC-PLAY.
1. Other than audio
2. Other than consumer use
3. Copy NG due to inversion of COPY bit of CD
DIN UNLOCK ÷ The following occurred for digital signal input from D-IN during ÷ Check if D-IN signal line is normal.
REC-PAUSE, REC-PLAY, or CD FUNC playback
1. Digital IN PLL unlocked.
2. Locked at other than FS = 32, 44.1 and 48 kHz.
TOC FULL ÷ No area for registering music number and character information ÷ Replace with recording/playback disc with space for
during REC-PLAY (music name, disc number, etc.) registering UTOC.
UTOCER T ÷ FTNO > LTNO. ÷ Replace with other discs to check if UTOC data is normal.
S ÷ FTNO ≠ 0 or 1.
R ÷ UTOC recorded on DISC could not be read.
UTOCER A ÷ Start address > End address. ÷ Replace with other discs to check if UTOC data is normal.
UTOCER L 0 ÷ Any one data of UTOC 0 to 4 has looped. ÷ Replace with other discs to check if UTOC data is normal.
1
2
4
NOT AUDIO ÷ Data not for audio is recorded for TNO track mode currently ÷ Select other TNO or replace with other discs.
selected.
? DISC ÷ Data called MINI of system ID written in ASCII codes in TOC is ÷ Disc is outside specifications. Replace with different disc
incorrect. and check.
÷ Disc type written in TOC is not pre-mastered MD, recording MD,
or hybrid MD.
DISC FULL ÷ No recordable space when attempted to set REC-PAUSE. ÷ Replace with different disc with recording space.
Playback MD ÷ Disc only for playback was loaded when attempted to set REC- ÷ Disc is for playback only. Replace with disc for recording.
PAUSE or edit.
PROTECTED ÷ Attempted to record or edit even through REC-proof knob of disc ÷ Track attempted to be edited is write-protected. Try again
for recording was in the REC-proof state. with different track.
÷ Attempted to edit track with write-protect according to information ÷ Restore the REC-proof knob and try again.
on UTOC.
Can' t EDIT ÷ Editing conditions were not satisfied for each editing function. ÷ Operating method is wrong. Try again using correct
method.
DISC ER ÷ Data read was incorrect or could not be read properly. ÷ Faulty TOC or UTOC data or scratch on disc. Replaced
÷ Error occurred during music data recording and recording could with other discs.
not be performed correctly.
[ DISC ER R
DISC ER S
DISC ER W
÷ Music data READ search time exceeded
÷ REC PAUSE shift abnormality (search time exceeded)
÷ SD WRITE (search time exceeded) ]
71
--- Page 10 ---
XC-IS21MD
7.2 PARTS
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.
•List of IC
M5M4V4400CTP-7, M56758FP, PD5523A, LR376487, BD7910FV, BR93LC56F, IR3R55M, AK4520A, CXA1821M, CXD2587Q,
PDG241.
M5M4V4400CTP-7 (CORE MAIN ASSY : IC103)
• DRAM
•Pin Assignment (Top View) •Pin Function
No. Name Description No. Name Description
DQ1 1 26 VSS
DQ2 2 25 DQ4 1 DQ1 14 A4
Data Input/Output | | Address input
W 3 24 DQ3
2 DQ2
RAS 4 23 CAS 18 A8
A9 5 22 OE
3 W Write control input
19
4 RAS Line address strobe input |
21
5 A9 Address input
22 OE Output-enable input
A0 9 18 A8 6
A1 10 17 A7 | 23 CAS Column address strobe input
16 A6
8
A2 11 24 DQ3
A3 12 15 A5 9 A0 Data Input/Output
25 DQ4
VCC 13 14 A4 | | Address input
12 A3 26 Vss Ground (0 V)
13 Vcc Power supply voltage (+3.3 V)
•Block Diagram
CAS 23 Clock Generation Circuit
RAS 4
13 Vcc (3.3V)
W 3
26 Vss (0V)
Column Decoder
Input
Buffer
1 DQ1
Sense Reflesh Amp. 2 DQ2
Input/Output 24 DQ3
Control Circuit 25 DQ4
A0 9
A1 10 Output
Address Buffer
A2 11 Buffer
Line Decoder
A3 12
A4 14 Memory Cell
A5 15 (4194304bits)
A6 16
A7 17
A8 18 22 OE
A9 5
81
--- Page 11 ---
XC-IS21MD
CXA1821M (CD ASSY : IC1101)
• RF AMP. IC
•Block Diagram
FE BIAS
LC / PD
LD ON
RFO
RFE
VCC
EO
VC
FE
TE
20 19 18 17 16 15 14 13 12 11
ERROR AMP
TRACKING
VCC 164k
BUFFER
147
22k VC
ERROR AMP
RF EQ AMP
123k
VC
5.6k
15k
FOCUS
56k
25p
APC LD
174k
AMP
VC
123k
23.8k
23.8k
VC
10k
VCC
VEE
87k
VC
30k 30k
56k
10k
10k
RF SUMMING
1k
25p
VREF
VEE
28k
26k
AMP
VC
1.25V
VCC 13k
820k
820k
55k
VC
12p
12p
260k
10k
VEE
VEE
260k
24k
30k
24k
30k
24k
30k
24k
30k
VC VC
1 2 3 4 5 6 7 8 9 10
LD
PD
A
B
C
D
VEE
F
E
EI
•Pin Function
No. Pin Name I/O Function No. Pin Name I/O Function
Gain adjust the signal which was input from