Pioneer XC-IS21T User manual

ORDER NO.
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
PIONEER ELECTRONIC CORPORATION 1999
c
RRV2148
XC-IS21T
1. SAFETY INFORMATION ....................................... 2
2. EXPLODED VIEWS AND PARTS LIST ................. 3
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 16
4. PCB CONNECTION DIAGRAM ........................... 34
5. PCB PARTS LIST ................................................ 46
6. ADJUSTMENT..................................................... 51
7. GENERAL INFORMATION .................................. 57
CONTENTS 7.1 DIAGNOSIS ................................................... 57
7.1.1 SEQUNCE AFTER THE POWER ON... 57
7.1.2 SINGLE OPERATION METHOD .......... 58
7.1.3 DISASSEMBLY .................................... 60
7.1.4 PCB LOCATION................................... 64
7.2 PARTS........................................................... 65
7.2.1 IC .......................................................... 65
8. PANEL FACILITIES AND SPECIFICATIONS....... 70
T – ZZY MAY 1999 Printed in Japan
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
CD TUNER DECK
Remarks
Type Model
XC-IS21T Power Requirement
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.
CD TUNER DECK XC-IS21T RRV2148 This service manual
STEREO POWER AMPLIFIER M-IS21 RRV2143
SPEAKER SYSTEM S-IS21 RRV2141
System
IS-21T
Component Service Manual Remarks

XC-IS21T
2
1. SAFETY INFORMATION
This service manual is intended for qualified service technicians; it is not meant for the casual
do-it-yourselfer. 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
IMPORTANT
THIS PIONEER APPARATUS CONTAINS
LASER OF CLASS 1.
SERVICING OPERATION OF THE APPARATUS
SHOULD BE DONE BY A SPECIALLY
INSTRUTED PERSON.
LASER DIODE CHARACTERISTICS
MAXIMUM OUTPUT POWER: 5 mw
WAVELENGTH: 780-785 nm

3
XC-IS21T
2.1 PACKING
2. EXPLODED VIEWS AND PARTS LIST
NOTES: •Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List.
•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.
9
10
13
13 2
8
11
19
1
16
15
12
3
7
17
18
(1) PACKING PARTS LIST
Mark No. Description Part No.
1 System Cable ADE7039
2 FM Antenna ADH7004
3 Operating Instructions ARE7224
(English/ French)
4 • • • • •
5 • • • • •
6 • • • • •
NSP 7 Warranty Card ARY7033
8 AM Loop Antenna ATB7007
9 Remote Control Unit AXD7224
(CU-XR056)
10 RCA Pin- plug Stereo Cable VDE1052
(L= 1.5m)
NSP 11 Dry Cell Batteries(AA/R6) VEM-013
12 Power Cord XDG3007
13 Polyethylene Bag Z21-038
(0.03 x 230 x 340)
14 • • • • •
15 Side Pad ML AHA7240
16 Side Pad MR AHA7241
17 Packing Sheet AHG7053
18 Packing Case AHD7751
19 Battery Cover AZA7331

4
XC-IS21T
2.2 EXTERIOR (1/2)
10
12
13
9
9
5
6
8
7
4
8
3
2
10
1
10
9
2
11
Refer to "2.4 FRONT PANAEL ASSY (1/2)
and 2.5 FRONT PANEL ASSY (2/2)"

5
XC-IS21T
1 Rear Cover AMC7029
2 Cussion Rubber AEB7154
3 Jack Door AAN7188
4 Jog Lens AAK7651
5 Jog Knob AAA7005
6 Tray Cap AAK7622
NSP 7 Tray Seal RRW1162
8 Jog Escutcheon AAK7620
9 Screw BBZ30P080FMC
10 Screw VPZ30P100FMC
11 Screw BMZ30P060FZK
NSP 12 Name Label AAL7231
13 Label M ARW7065
(1) EXTERIOR (1/2) PARTS LIST
Mark No. Description Parts No.

6
XC-IS21T
2.3 EXTERIOR (2/2)
1
21
7
21
22 23
21
19
9
4
24
22
20
10
22
15 3
21 18
25
17 16
21
11
5
12
2
8
21
6
Refer to
" 2.7 DECK MECHANISM
UNIT "
A
A

7
XC-IS21T
1 U- COM ASSY AWU7327
2 DECK ASSY AWU7334
3 AF ASSY AWU7298
4 R- TERMINAL ASSY AWU7315
5 FM/AM TUNER MODULE AXQ7065
6 Deck Shield AEC7209
7 DECK MECHANISM UNIT AXA7075
NSP 8 Chassis M ANA7087
9 Rear Panel ANC7735
NSP 10 Shield Plate ANK7059
11 Shield Case T ANK7050
12 Shield Case B ANK7051
13 • • • • •
14 • • • • •
15 PC Support DEC1932
NSP 16 Spacer AEB7092
17 Rubber Sheet AEB1111
18 Leg Assy IS AEC7202
19 Locking Card Spacer VEC1596
NSP 20 PCB Spacer (3 x 6) AEC7156
21 Screw BBZ30P080FMC
22 Screw VPZ30P080FZK
23 Connector Assy 3p ADX7252
24 23P F.F.C /30V ADD7150
NSP 25 TX CONNECT ASSY AWU7323
÷EXTERIOR (2/2) PARTS LIST
Mark No. Description Parts No.

8
XC-IS21T
7
8
9
11
5
6
10
29
26
25 30
24
16
1033
12
18
29
19
29
27
27
15
15
34
29
17
29
29
21
20
29
31
28
23
32 22 2
4
3
1
13
14
13
14
33
33
33
2.4 FRONT PANEL ASSY (1/2)

9
XC-IS21T
1 FRONT PANEL ASSY AWU7308
NSP 2 CD CLOSE SW ASSY AWU7320
NSP 3 CD OPEN SW ASSY AWU7319
4 F- TERMINAL ASSY AWU7311
NSP 5 LCD ASSY (TC) AWU7354
NSP 6 LIGHT- L ASSY AWU7321
7 Lens Holder M AMR7247
8 Lens M AAK7615
9 Diffusion Sheet AAK7666
10 Reflector AMR7248
11 15P F.F.C/ 30V ADD7147
12 29P F.F.C/ 30V ADD7148
13 Frame ANG7235
14 Rail AMR7239
15 Blind AMR7261
16 PCB Holder L AMR7262
17 PCB Holder R AMR7263
18 Plating Button Assy AXG7089
19 Fuction Button B AAD7511
20 Window AAK7621
21 Complex Button AAD7509
22 Plating Button A AAD7567
23 Function Button A AAD7510
24 O/C Button AAD7506
25 Key O/C AAD7526
26 Connector 3p ADX7252
27 Screw IPZ30P100FMC
28 Screw ABA1005
29 Screw VPZ30P080FZK
30 17P F.F.C/ 30V ADD7145
31 Front Panel M AMB7565
32 PU Caution Label ARW7059
33 Spacer AEC7216
34 Screw VPZ30P100FMC
÷FRONT PANEL ASSY (1/2) PARTS LIST
Mark No. Description Parts No.

10
XC-IS21T
B
C
A
20
27
27
21
21
12
25
13 (1/2)
11
25
24
6
5
9
10
23
8
7
2
17
21
19
18
26
12
25
13 (2/2) 3
22
1
16
15
14
4
Note 1 Cutting Position
(No.13 (Mecha Holder)
Cutting
Note 1
Note 1
No.13
(2/2)
No.13
(1/2)
Refer to
"2.6 CD MECHANISM ASSY"
2.5 FRONT PANEL ASSY (2/2)

11
XC-IS21T
1 CD MOTOR ASSY AWU7318
2 CD ASSY AWU7305
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 AAK7618
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
÷FRONT PANEL ASSY (2/2) PARTS LIST
Mark No. Description Parts No.

12
XC-IS21T
2.6 CD MECHANISM ASSY
2
53
10
1
4
7
8
6
9
1 KSS-620A(RP) 8-820-063-(03)
2 Sled Screw Assy X-2646-389-(1)
3 Sled Motor Assy A-4912-199-(A)
4 MD Assy X-2646-482-(1)
5 Geer BN 2-627-751-(02)
6 Rack Spring 2-646-912-(01)
7 Holder 2-646-913-(01)
8 Tapping Screw 2-646-352-01
9 Precision Screw 2-627-668-01
10 Tapping Screw 2-646-358-11
÷CD MECHANISM ASSY PARTS LIST
Mark No. Description Parts No.

13
XC-IS21T
1 Screw FG114-14
2 Screw UG12H-15
3 Front BKT FC64K-11
4 Washer MJ112-22
5 SP Return FK34N-11
6 Plate Hold BLK F573-258
7 Holder CST BLK F527-078
8 LDG Base FD56R-12
9 Pulley FD56T-11
10 LDG Gear FD56U-11
÷DECK MECHANISM UNIT (1/2) PARTS LIST
Mark No. Description Parts No.
Refer to "2.8 DECK MECHANISM UNIT (2/2)".
12 9
16 4
11
10
14
4
7
8
3
18 16
16
5
17
6
1
13
16
16
22
11 Slider FD57E-11
12 LDG Belt FF19L-12
13 Switch UE15S-14
14 MTR Reel BLK F564-313
15 • • • • •
16 Screw UG12H-28
17 SP Clamper FK34M-11
18 Switch UE18P-21
Mark No. Description Parts No.
2.7 DECK MECHANISM UNIT (1/2)

14
XC-IS21T
20
24 41
42
43
39
22
26
30
13
1
25
38
16
18
6
35
32
7
32
17
28
29
9
3
36
37
30
23
27
33
14
15
5
11
8
3
12
19
1
40
4
2
21
34
10 31
2.8 DECK MECHANISM UNIT (2/2)

15
XC-IS21T
1 Screw KG194-36
2 Reel Feather FD57D-13
3 Screw UG11S-14
4 SP Reel(L) FK32U-12
5 SP Brake FK33B-13
6 SP Arm Play FK33P-11
7 SP Reel(R) FK32V-12
8 Spring Cassette FC65M-11
9 BKT MTR FC64M-12
10 Reel Base FD52W-12
11 Cam Gear FD52Y-23
12 Play Gear (A) FD53K-12
13 Arm Play FD53D-19
14 Plate Slide FC61L-19
15 PCB Control BLK F567-617
16 Chassis base BLK F612-231
17 Head Base FC61K-32
18 Roller Pinch BLK R F514-129
19 Roller Pinch BLK L F514-130
20 Assy F/W FR24S-21
21 Clutch Assy BLK F522-037
22 Clutch Assy BLK F522-048
23 Washer FJ111-13
24 F/R Pulley FD53F-15
25 Solenoid BLK F765-279
26 F/R Belt FF18W-12
27 Belt Main FF19H-11
28 Plate HD BLK F513-824
29 MTR MAIN BLK F525-321
30 Washer FJ111-30
31 Washer FJ111-35
32 Washer UJ16F-11
33 Lever Brake FD53P-17
34 FF Gear(A) FD53L-12
35 Cam SP FK32S-14
36 Screw UJ14A-12
37 Lever F/R FC62G-14
38 Plunger FL41S-21
39 Mecha-Cable WH65N-11
40 Spring HB FK32T- 31
41 Screw UG15V-13
42 Washer MJ112- 22
43 Spacer UJ15V- 13
÷DECK MECHANISM UNIT (2/2) PARTS
LIST
Mark No. Description Parts No.

XC-IS21T
16
A
B
C
D
1234
1234
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
TUNER MODULE TX CONNECT
ASSY
FRONT PANEL
ASSY
CN6201 CN161 J60
AB
K
TX LcH
KEY
JOG
TX LcH
KEY 1
JOG
KEY 2
KEY 3
TX+5V TX+5V
U-COM
ASSY
LCD
ASSY
J60
C
CD ASSY
CD MECHA ASSY
F
D
DECK ASSY
MECHA ASSY
J
TX LcH
TX+5V
(CD)
(PB)
(REC)
(REC)
(REC)
(TX) (TX)
(TX)
(TX)
PB L
GND
GND
CN2301
LD PD
PDIC PD1
PDIC PD2
F
E
CN1101
PB L
J2201
REC/PB
HEAD
ERASE
HEAD ERASE
CN2302
+
-
3
16
8
31
2
2
13
DS
G
IC2301
(NJM4558M)
IC2401
(BA4558MD)
IC2201
(HA1236AF)
DOLBY NR
Q2301
(2SK373)
+
+
+
+
VR2301
(PB LEVEL)
+
+
VR2401
(REC LEVEL)
VR2801
(BIAS)
REC L
PB IN L
LINE OUT L
REC OUT REC IN L
L2201

MPX
L2801
BIAS OSC
(PB)
(PB)
PB
651
3
Q2801
(2SC1815)
Q2802
(2SC1815)
BIAS
Cro2
(FS)
(TS)
(TS)
LD ON
SL +
CN1301
SL -
SP +
SP -
VC IC1101
CXA1821M
IC1201
CXD2587Q
IC5501
PDG242A
IC1301
BA5970FP
(D.O)
(FS)
(SM)
(CM)
(CM)
(TS)
(TS)
(TS)
(FS)
(FS)
(TS)
(FS)
(FS)
(SM)
(FS) (FS) (TS) (TS)
(SM) (SM) (CS) (CS)
T +
CN1101
CD L
D. OUT
D. OUT
CD LD ON
LCD_CE
LCD_CLK
LCD_DATA
CN10
CN10
1 15
V+5UN
V+5UN J101
V+5CDM
V+5CDM
GNDCDM
V+5CD
V+5CD
F -
F +
T -
TFDR
TRDR
FFDR
FRDR
TFDR
TRDR
FFDR
FRDR
GND
GND
GND
V+5CD
V+5CD
GNDCDM
V+12TX
GNDU
GNDU AC
IC5503
PDG243
SYSTEM U-COM
13
49
AC_PLUS
60
44
38
39
40
7
48 8
50 9
LCD U-COM 1 29
CN150 CN50
CN90
CN105
CN105
CN80
LCD_POW
414
V+12M
V+12M
Q5501
V+12TX
V+5.6U V+5.6U
PICKUP ASSY
(2/2)
PICKUP ASSY
(1/2)
SL
SP
SL/SP
MOTOR
+
-
+
-
1
7
7
2
7
2
7
2
7
2
10
13
17
15
10
13
17
15
6
16
8
15
15
15
10
7
3
4
8
5
5
4
7
3
2
2
1
1
2
3
4
15
8
14
9
12
7
6
1
2
5
6

XC-IS21T
17
A
B
C
D
5678
5678
AF ASSY
E
R- TERMINAL
ASSY
H
TX LcH
CN5
REC L
PB L
CD L
CN2
LIN2
CN3
CN1
AOUT L
LIN1
LOUT1
LOUT2
CN32
CN31
CN3
IC141
(NJM7805FA)
IC131
(NJM7812FA)
Q2001
(2SD2395)
IC3001
(LC75398NE)
+
-
IC3002
(NJM4558MD)
31
2
(MO)
(MO)
(MO)
(MO)
(LO1)
(LO1)
(L2)
(L1) (L1)
(LO2)
(L2)
(L1)
(LO)
(PB)
(CD)
(L2) (L2)
(CD)
(REC)
(TX)
(L1)
(TX)
PB L
LIN 2
CD L
TX L
LIN1
AOUT L AUDIO OUT
LINE IN1
LIN1
LOUT1
LIN2
LOUT2
CN132
CN131 CN7101
J103
(LO2)
F- TERMINAL
ASSY
I
LINE OUT1
LINE OUT2
LINE IN2
OPT OUT
D3009D3008
TX+5V
CN1
CN5
D. OUT
CN1
V+5UN
V+12TX
GNDU
V+5CDM
V+5CD
GNDCDM V+5UN
AC
V+5.6U
V+12M
CN2
GNDS GNDS
V+12UNV+12UN V+12UN
1
AC
AC AC 3
V+5.6V
V+5.6V V+5.6V 4
V+5UN
5
B2GND
B2GND 6
B1GND
B1GND 9
GNDU
GNDU
B2GND
B1GND
GNDU 10
V+5UN
V IN
VCC
GND OPT
OPT IN/OUT
V+5 OPT
GND OPT
TO. STEREO PWER AMPLIFIER
(M-IS21)
VDD
V+5
123
V+5
(D.O) (D.O)
(D.O) (D.O)
+
+
7
9
8
3
2
6
7
9
8
10
3
2
6
6
7
9
12
6
7
9
12
1
2
8
9
7
89 1
7
(LO2)
4
5
2
7
10
5
7
18
8
16
9
17
23
3
4
8
10
SIGNAL ROUTE
: CD AUDIO SIGNAL
: LINE 1 SIGNAL
: DECK PB SIGNAL
: LINE 2 SIGNAL
: MAIN OUT SIGNAL
: OPTICAL OUT SIGNAL
: TUNER AUDIO SIGNAL
: LINE OUT 1 SIGNAL
(L1)
(CD)
(PB)
(L2)
(MO)
(D.O)
(TX)
(LO1)
(LO2)
(LO)
(REC)
: LINE OUT 2 SIGNAL
: LINE OUT SIGNAL
: RECORDING SIGNAL
: FOCUS SERVO LOOP LINE
: TRACKING SERVO LOOP LINE
(FS)
(TS)
: SPINDLE MOTOR ROUTE
: CARRIAGE MOTOR ROUTE
: LOADING MOTOR ROUTE
(SM)
(LM)
(CM)

XC-IS21T
18
A
B
C
D
1234
1234
3.2 OVERALL CONNECTION DIAGRAM
AF ASSY
(AWU7298)
E
F-TERMINAL ASSY
(AWU7311)
I
CD ASSY
(AWU7305)
CD MOTOR
ASSY
(AWU7318)
F
G
U- COM ASSY
(AWU7327)
C
LCD ASSY
(AWU7354)
D
FM/AM TUNER MODULE
(AXQ7065)
TX CONNECT ASSY
(AWU7323)
AB
CN1
J101
J60
J60
CN110
CN10
CN80CN90
CN1101
CN1301
J111
CN11
CN3
J103
CN7
J107
CN190 CN180
CN6201 CN161

XC-IS21T
19
A
B
C
D
5678
5678
Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST".
U- COM ASSY
(AWU7327)
C
R-TERMINAL ASSY
(AWU7315)
H
DECK ASSY
(AWU7334)
J
FRONT PANEL ASSY
(AWU7308)
CD CLOSE SW ASSY
(AWU7320)
K
N
CD OPEN SW ASSY
(AWU7319)
LIGHT-L ASSY
(AWU7321)
M
L
CN5
CN105
CN32
CN132 CN131
CN31
CN2
J2201
J2202
CN2603
CN2701
CN20
CN2301
CN2302
J55
J155
J54J154
CN150 CN50
CN51
J51
To. STEREO POWER AMP (M-IS21)
To. OPTION DECK
CN7102 CN7101

XC-IS21T
20
A
B
C
D
1234
1234
3.3 FM/AM TUNER MODULE and TX CONNECT ASSYS
A
RF AMP
1T378A
1T378A
MIX AMP
BUFFER
IF AMP
FM +B SW
MW RF TUNING BLOCK
AKX7041
OSC
FM/AM TUNER MODULE
(AXQ7065)
: AM SIGNAL ROUTE
: FM SIGNAL ROUTE
: TUNER AUDIO SIGNAL
(AM)
(FM)
(TX)
(FM)
(FM) (FM)
(FM) (FM)
(FM) (FM)
(FM) (FM) (FM)
(FM)
(FM)
(FM)
(AM)
(AM)
(AM) (AM) (AM)