Pioneer XC-IS21MD Service Manual
CD MD TUNER
XC-IS21MD
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
ORDER NO.
RRV2149
Type
ZUCXJ O DC power supply from other system
Model
XC-IS21MD
Power Requirement
Remarks
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.
Component
CD MD TUNER XC-IS21MD RRV2149 This service manual
STEREO POWER AMPLIFIER M-IS21 RRV2143
SPEAKER SYSTEM S-IS21 RRV2141
System
IS-21MD
Service Manual Remarks
CONTENTS
1. SAFETY INFORMATION
2. EXPLODED VIEWS AND PARTS LIST
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 14
4. PCB CONNECTION DIAGRAM
5. PCB PARTS LIST
6. ADJUSTMENT
7. GENERAL INFORMATION
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38
52
57
68
2
3
7.1DIAGNOSIS
7.1.1 SINGLE OPERATION METHOD
7.1.2 SEQUNCE AFTER THE POWER ON
7.1.3 DETAILS OF ERROR DISPLAY
7.1.4 DISASSEMBLY
7.1.5 PCB LOCATION
7.2 PARTS
7.2.1 IC
8. PANEL FACILITIES AND SPECIFICATIONS
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68
68
70
71
74
80
81
81
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
XC-IS21MD
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
THIS PIONEER APPARATUS CONTAINS
LASER OF CLASS 1.
SERVICING OPERATION OF THE APPARATUS
SHOULD BE DONE BY A SPECIALLY
INSTRUTED PERSON.
IMPORTANT
LASER DIODE CHARACTERISTICS
MAXIMUM OUTPUT POWER: 5 mw
WAVELENGTH: 780-785 nm
2
XC-IS21MD
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.
•
2.1 PACKING
7
15
17
13
18
13
3
16
2
10
9
1
8
11
19
(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 • • • • •
12
NSP 7 Warranty Card ARY7033
6 • • • • •
8 AM Loop Antenna ATB7007
9 Remote Control Unit AXD7223
(CU-XR055)
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 AHD7755
19 Battery Cover AZA7331
3
XC-IS21MD
2.2 CD MECHANISM ASSY
2
10
6
1
5
8
7
9
3
4
÷ CD MECHANISM ASSY PARTS LIST
Mark No. Description Parts No.
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
4
2.3 EXTERIOR (1/2)
Refer to "2.5 FRONT PANAEL ASSY (1/2)
and 2.6 FRONT PANEL ASSY (2/2)"
XC-IS21MD
14
1
10
10
11
12
10
13
9
9
2
8
4
5
3
8
(1) EXTERIOR (1/2) PARTS LIST
Mark No. Description Parts No.
1 Rear Cover AMC7029
2 Cussion Rubber AEB7154
3 Jack Door AAN7188
4 Jog Lens AAK7651
5 Jog Knob AAA7005
9
2
Mark No. Description Parts No.
11 Screw BMZ30P060FZK
NSP 12 Name Label M AAL7238
13 65 Label ARW7050
14 Label M ARW7065
6 • • • • •
7 • • • • •
8 Jog Escutcheon AAK7620
9 Screw BBZ30P080FMC
10 Screw VPZ30P100FMC
5
XC-IS21MD
2.4 EXTERIOR (2/2)
21
Note 1 Cutting Position
(No.32 (Supporting Mold)
Rear Corver
29
31
27
33
21
Note 1
32
27
21
2
Refer to
" 2.7 MD MECHANISM
30
ASSY "
26
31
27
28
21
1
Cutting
No.32
Cutting
22
20
10
22
15
23
Note 1
32
8
9
21
19
4
A
21
17
24
21
18
16
12
3
25
13
14
A
5
11
22
6
÷ EXTERIOR (2/2) PARTS LIST
Mark No. Description Parts No.
1 U- COM ASSY AWU7331
2 MD ASSY AWU7336
3 AF ASSY AWU7302
NSP 4 R- TERMINAL ASSY AWU7317
5 FM/AM TUNER MODULE AXQ7065
6 • • • • •
7 • • • • •
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
XC-IS21MD
21 Screw BBZ30P080FMC
22 Screw VPZ30P080FZK
23 Connector Assy 3p ADX7252
24 23P F.F.C /30V ADD7150
NSP 25 TX CONNECT ASSY AWU7323
26 30P F.F.C /30V ADD7135
27 Float Rubber REB1328
NSP 28 Sub Chassis MD ANA7088
29 Shield Cover MD ANK7053
NSP 30 MD Mechanism assy RXA1777
31 Float Screw RBA1133
32 Supporting Mold AZN7799
33 Screw BBZ30P180FMC
7
XC-IS21MD
2.5 FRONT PANEL ASSY (1/2)
6
5
10
13
14
7
8
9
27
14
27
13
24
25
29
11
26
29
10
19
36
18
16
22
29
21
23
20
30
29
15
15
37
1
29
17
29
28
2
4
34
33
29
3
35
31
8
32
÷ FRONT PANEL ASSY (1/2) PARTS LIST
Mark No. Description Parts No.
1 FRONT PANEL ASSY AWU7309
NSP 2 CD CLOSE SW ASSY AWU7320
NSP 3 CD OPEN SW ASSY AWU7319
NSP 4 F- TERMINAL ASSY AWU7313
NSP 5 LCD ASSY (MD) AWU7355
XC-IS21MD
NSP 6 LIGHT- L ASSY AWU7321
7 Lens Holder M AMR7247
8 Lens M AAK7615
9 Diffusion Sheet AAK7666
10 Reflector AMR7248
11 13P F.F.C/ 30V ADD7149
12 • • • • •
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 AAD7532
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 Assy AXG7075
32 MD Flap AAN7190
33 MD Spring ABH7154
34 MD Flap Holder AMR7236
NSP 35 MD FLAP SW ASSY AWU7324
36 PU Caution Label ARW7059
37 Screw VPZ30P100FMC
9
XC-IS21MD
2.6 FRONT PANEL ASSY (2/2)
Note 1 Cutting Position
(No.13 (Mecha Holder)
No.13
(2/2)
Cutting
No.13
(1/2)
Refer to
" 2.2 CD MECHANISM ASSY "
11
21
18
19
Note 1
13 (1/2)
25
12
25
17
25
12
13 (2/2)
Note 1
27
26
20
27
21
23
10
24
9
6
2
21
C
8
7
A
B
4
5
3
1
22
10
14
15
16
÷ 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
XC-IS21MD
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
XC-IS21MD
2.7 MD MECHANISM ASSY
19
E
4
9
51
52
37
A
54
53
12
8
37
E
F
15
13
14
24
34
40
26
40
28
18
21
20
6
5
G
41
16
35
37
17
10
F
27
B
36
11
C
44
33
31
23
40
H
25
39
29
3946
12
40
32
42
30
H
38
43
B
CN102
1
A
2
48
49
50 47
45
CN105
G
C
CN101
D
3
54
CN103
D
XC-IS21MD
MD MECHANISM ASSY PARTS LIST
•
Mark No. Description Part No. Mark No. Description Part No.
NSP 2 CORE SW UNIT ASSY RWZ4335
1 CORE MAIN UNIT ASSY RWZ4334
3 Lead Card 7P RDD1403
4 Lead Wire RKP1814
5 Lever Spring RBH1463
31 S. Holder RNK2307
32 Worm Wheel RNK2309
33 Hook RNK2310
34 Head Lifter RNK2311
35 MD Head RPB1063
6 Clamp Spring 1 RBK1074
7 • • • • •
8 Loading Belt REB1329
9 Lock Plate RNE1949
10 Loading Base RNK2323
11 Under Slider RNK2314
12 Gear Pulley RNK2316
13 Drive Gear RNK2317
14 Clutch Gear RNK2318
15 Flip Disk RNK2319
16 SW Lever RNK2320
17 Shutter Assy RXA1774
NSP 18 Upper Slider Assy RXA1782
19 Eject Spring RBH1461
20 Upper Slider RNK2324
21 Carrier RNK2315
22 • • • • •
23 Spindle Spring RBH1460
24 Lifter Spring RBH1462
25 Screw Guide RBK1072
26 S. H. Spring RBK1073
27 Guide Shaft RLA1312
28 Lead Screw RLA1311
29 Shield Case RNE1950
30 Reference Plate RNK2306
36 MD Pick-up RWY1019
37 Screw Z39-019
38 Screw JFZ17P020FZK
39 Screw JGZ14P020FMC
40 Screw JGZ17P028FMC
41 Screw JGZ17P040FMC
42 Screw PMB20P040FMC
43 Servo Base Assy REA1283
NSP 44 Clamp Magnet RMF1002
NSP 45 Servo Base RNE1951
NSP 46 Disc Table RNK2305
NSP 47 Spindle Motor RXM1091
48 Carriage Motor Assy REA1284
49 Worm RNK2308
NSP 50 Carriage Motor RXM1090
51 Loading Motor Assy REA1290
52 DC Motor /0.75W PXM1010
53 CA Pulley RNK2322
54 Screw BPZ20P080FMC
13
1
234
XC-IS21MD
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
CN102
HEAD
HEAD DRIVER
17
A
REC HEAD
PICKUP
ASSY
25–28
SLED MOTOR
(CARRIAGE)
SPINDLE MOTOR
LOADING
MOTOR
TP704 SP+ (RED)
TP703 SP- (BLACK)
TP702 SLD- (BLUE)
TP701 SLD+ (ORANGE)
CN701
SL+
1
SL1
2
SP-
B
INSIDE SW
(S701)
DISC SW
(S702)
SP+
SW1
DISC
3
4
5
6
7
1
HEAD
15
2
13
16
17
21
CN101
13
16
17
21
25
26
27
28
CN105
1
2
CN103
SL+
1
SL1
2
SP-
3
SP+
4
GNDMGNDM
5
SW1
6
DISC
7
RF1
RF3
RF4
RF2
FT+
F+
T-
LOADLOAD+
SL+
SL1
SPSP+
GNDM
SW1
DISC
2
4
3
1
13
9
12
8
M56758FP
31
30
29 28 35 34
BD7910FV
RF–AMP
IR3R55M
K
CORE SW ASSY
(IC116)
(IC101)
DRIVER
(IC106)
EFM
7
40
20
23
FODF
16
FODR
15
TRDF
31
TRDR
6
SLDF
25
SLDR
26
37
24
23
CORE MAIN ASSY
J
7
DIFFERENTIAL
(IC112)
BA4510F
LOAD SW
(S101)
LOAD SW
(S102)
1–5, 9–12, 14–18, 22–25
EFMO
50
EFMIEFMO
3
FODF
18
FODR
19
TRDF
20
TRDR
21
SLDF
22
SLDR
23
24
3
25
2
AMP
LD+
27
LD-
28
57
59
92
SW1
23
DISC
89
PLOAD
RLOAD
4M–DRAM
(IC103)
M5M4V4400CTP-7
26–29, 32–37, 39–46
ENC/DEC
+
DIGITAL SERVO
(IC102)
LR376487
SPDF
SPDR
82–86, 89–100
33.8688MHz
15, 18, 19, 29, 40, 80, 44–54
MECHA CONTROL
µCOM
(IC104)
PD5523A
1 90
31–33, 55
3–6
EEP–ROM
(IC110)
BR93LC56F
64, 65
X'tal
(X101)
DADATA
ADDATA
DSCK
DIN
66
(PB)
74
73
37
DSTB
34
MDDATA
35
SYSDATA
36
(REC)
VM+5V
(PB)
(REC)
D+5V
M+5V
GND
GND
DIN
DADATA
ADDATA
D.GND
D.GND
XDSCK
XDSTB
MDDATA
SYSDATA
D.GND
D+5V
CN104
30
27
25
24
20
18
17
14
11
10
9
8
7
1
GNDU
LCD_CE
TX LcH
TX+5V
CN105
6
16
8
15
CN70
11
10
9
CN105
1
7
V+5CDM
V+5CD
V+5CD
D. OUT
V+12TX
GNDU
AC
V+5.6U
11
10
9
V+5UN
GNDCDM
(CD)
(D.O)
GND
LCD
ASSY
D
V+5UN
V+5CDM
V+5CD
CD L
D. OUT
J101
3
4
8
5
10
7
(TX)
(TS)
TFDR
(TS)
CN1101
T +
1
F -
2
F +
3
T -
4
CN1301
SL +
1
SL -
2
SP +
5
SP -
6
CN1101
LD ON
12
LD PD
9
PDIC PD1
7
PDIC PD2
6
F
15
E
8
VC
14
TRDR
FFDR
FRDR
(FS)
(FS)
(FS)
(FS)
CXA1821M
(TS)
(TS)
IC1101
IC1301
BA5970FP
ASSY
CD MECHA
(2/2)
PICKUP ASSY
SL/SP
C
MOTOR
+
SL
+
SP
-
(1/2)
PICKUP ASSY
FRONT PANEL
ASSY
M
KEY
D
TUNER MODULE
A
CN6201
TX LcH
TX+5V
B
CN161
7
7
(TX)
2
2
(SM)
(SM)
(SM)
(CS)
(CS)
GNDCDM
V+5CD
(FS)
(TS)
JOG
CN150 CN50
JOG
KEY 1
KEY 2
KEY 3
TX CONNECT
ASSY
TX LcH
TX+5V
CD ASSY
F
(SM)
(CM)
(CM)
(TS)
TFDR
(TS)
TRDR
(FS)
FFDR
(FS)
FRDR
GND
(FS)
(TS)
CD LD ON
15
CN110
CN10
44
10
10
17
17
13
13
15
15
7
(TX)
2
OPTIN2
38
39
40
SYSTEM U-COM
J60J160
7
2
MDSTB
OPTIN1
IC5501
PDG241
C
MDCLK
MDIDATA
MDODATA
U-COM
ASSY
15
1365 66 67 7980 81
CN40
60
CDLDON
44
47
46
CXD2587Q
141312 3 2 1
OPTIN2
AC_PLUS
LCD_CE
LCD_CLK
LCD_DATA
(TX)
IC1201
OPTIN1
MDSTB
Q5501
MDIDATA
MDODATA
GND
V+12TX
MDCLK
V+5.6U
LCD_CLK
LCD_DATA
14
1234
(PB)
CN4101
(REC)
J140
30
27
25
24
20
18
17
14
11
10
14
15
1
13
9
8
7
1
2
3
VM+5V
GND
GND
DIN
DA DATA
AD DATA
D.GND
D.GND
DSCK
DSTB
MD DATA
SYS DATA
D GND
VH+5V
OPT1
OPT2
MD CLK
MOD DATA
MDI DATA
DSTB
J104
VM+5V
VH+5V
10
CD. OPT IN
(D.O)
(L2)
(CD)
(TX)
5
IC4801
(D.O)
(TC74HC00AF)
(REC)
(D.O)
9
(D.O)
LINE DIN
(D.O)
CN4
10
CN1
CN3
43
J102
PB L
CN2 CN4
43
PB L
D. OUT
9
CD. OUT
CD. OUT
7
LIN2
2
(L2)
(CD)
(TX)
CN1
CD L
10
GNDCDM
5
CN5
V+12TX
18
GNDU
8
AC
16
V+5.6U
9
CN1
V+5UN
3
V+5CDM
4
V+5CD
8
CN5
TX LcH
23
TX+5V
17
5
(PB)
5
REC L
5
REC L
(L1)
(REC)
(LO)
PB L
LIN 2
CD L
TX L
LIN1
VD+5V
(PB)
7
J104
GND
V+12V
7
V+12V VM+5VVD+5V
GND
V+12V
+
(MO)
VH+5V
VH+5V
DA DATA
AD DATA
VD+5V
VH+5V
VH+5V
E
AF ASSY
67
SIGNAL ROUTE
(CD)
: CD AUDIO SIGNAL
(L1)
: LINE 1 SIGNAL
(PB)
: MD PB SIGNAL
(L2)
: LINE 2 SIGNAL
(MO)
: MAIN OUT SIGNAL
(D.O)
: OPTICAL OUT SIGNAL
(TX)
: TUNER AUDIO SIGNAL
(LO1)
: LINE OUT 1 SIGNAL
(LO2)
: LINE OUT 2 SIGNAL
(LO)
: LINE OUT SIGNAL
(REC)
: RECORDING SIGNAL
F- TERMINAL
J103
V IN
8
VCC
9
7
LIN2
2
LOUT2
1
CN132
(LO1)
LOUT1
9
AOUT L
12
(MO)
LIN1
6
GNDS
7
VA+5V
(AK4520A)
L
VD+5V VM+5V
342
VD+5V
342
VD+5V
IC3001
(LC75398NE)
IC4301
MD ASSY
VM+5V
VM+5V
V+5
(MO)
(PB)
(REC)
VD+3V
CN3
(D.O)
(REC)
(PB)
(REC)
V+5 OPT
OPT IN/OUT
+
VA+12V
2SC1740S
7
GND OPT
(MO)
IC4202
(BA4558F)
VA+5V
Q4002
2SD1858X
D4003
VA+12V
GND OPT
(REC)
VD+3V
Q4003
D4004
(D.O) (D.O)
(L2) (L2)
189
(LO2)
LOUT2
CN32
LOUT1
(LO1)
IC3002
(NJM4558MD)
3
+
1
2
-
9
AOUT L
12
LIN1
6
(L1) (L1)
GNDS
7
R- TERMINAL
VD+5VVM+5VVH+5V
(NJM7805FA)
V+12V
(NJM7812FA)
6
(L1)
IC4001
IC131
CN31 CN131 CN7101
AC
V+5.6V
V+5UN
10
B2GND
B1GND
GNDU
D3009D3008
V+5
IC141
(NJM7805FA)
7
V+12UNV+12UN
V+5.6V
V+5UN
B2GND
B1GND
GNDU
9
AC
8
7
10
3
2
6
9
8
7
3
2
6
SIGNAL ROUTE
(FS)
: FOCUS SERVO LOOP LINE
(TS)
: TRACKING SERVO LOOP LINE
(SM)
: SPINDLE MOTOR ROUTE
(CM)
: CARRIAGE MOTOR ROUTE
(LM)
: LOADING MOTOR ROUTE
8
XC-IS21MD
ASSY
I
(LO2)
ASSY
H
123
8
OPT OUT
LINE IN2
LINE OUT2
V+12UN
1
AC
3
V+5.6V
4
V+5UN
5
B2GND
6
B1GND
9
10
GNDU
LINE OUT1
AUDIO OUT
LINE IN1
15
A
B
C
(M-IS21)
TO. STEREO PWER AMPLIFIER
D
1
234
XC-IS21MD
3.2 OVERALL CONNECTION DIAGRAM
A
CN104
J102
CN4101
CN2
F-TERMINAL ASSY
I
(AWU7313)
J103
J107
J
J104
(RWZ4334)
CORE MAIN ASSY
B
K
MD MECHANISM ASSY (AXA7077)
J140
L
(RWZ4335)
CORE SW ASSY
MD ASSY
(AWU7336)
CN4
CN40
CN1
J101
F
AF ASSY
E
(AWU7302)
CD ASSY
(AWU7307)
J111
CN1301
CN3
CN7
CN11
CD MOTOR
ASSY
(AWU7318)
G
CN1101
CN6201
C
J60CN161
J60
A
B
CN110
(AXQ7065)
(AWU7323)
FM/AM TUNER MODULE
D
TX CONNECT ASSY
CN10
D
CN70
LCD ASSY
(AWU7355)
CN170
16
1234
5
67
8
XC-IS21MD
Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and P AR TS LIST" or "PCB PARTS LIST".
H
CN132
R-TERMINAL ASSY
(AWU7317)
CN131
A
CN32
CN5
CN105
C
U- COM ASSY
(AWU7331)
CN50
CN31
B
C
FRONT PANEL ASSY
M
(AWU7309)
CN150
J155
CD CLOSE SW ASSY
J55
P
(AWU7320)
O
CD OPEN SW ASSY
CN51
J51
N
LIGHT-L ASSY
(AWU7321)
5
6
J152
J52
Q
MD FLAP ASSY
(AWU7324)
J154
7
J54
(AWU7319)
D
17
8
1
234
XC-IS21MD
3.3 FM/AM TUNER MODULE and TX CONNECT ASSY
A
RF AMP
(FM) (FM)
B
(FM) (FM)
(FM)
(FM)
1T378A
OSC
1T378A
(FM)
MIX AMP
(FM) (FM) (FM)
BUFFER
(FM)
IF AMP
FM +B SW
(FM)
(AM) (AM) (AM)
(FM)
(AM)
C
(AM)
MW RF TUNING BLOCK
AKX7041
(AM)
FM/AM TUNER MODULE
(AXQ7065)
D
: AM SIGNAL ROUTE
(FM)
: FM SIGNAL ROUTE
(TX)
: TUNER AUDIO SIGNAL
18
A
1234
5
67
8
XC-IS21MD
A
(AM)
(FM)
(AM)
(FM)
(FM)
AF AMP
(TX) (TX)
AF AMP
REGULATOR
(TX)
CN161 J60
CN6201
D20PYY1315
B
B
C
J60
C
(AWU7323)
PLL
5
TX CONNECT ASSY
D
19
6
7
A
B
8
1
XC-IS21MD
3.4 U-COM ASSY
A
234
J160
B
J60
(TX)
CN105
B
E
CN5
C
(TX)
(TX)
U-COM ASSY
C
(AWU7331)
SIGNAL ROUTE
(TX)
: TUNER AUDIO SIGNAL
CN50
CN150
M
D
20
C
1234
5
67
8
XC-IS21MD
0.47/50
PDG241
CN10
CN40
A
F
CN110
B
D
LCD ASSY
(AWU7355)
L
J140
C
CN70
CN170
D
5
6
7
8
DC
21
1
XC-IS21MD
3.5 AF ASSY
234
CD TOUCH
J107
CN7
A
(LO)
(REC)
(L2)(L2)
(LO)
AF ASSY
E
(AWU7302)
CN1
B
(TX)
(CD)
(L1)
(REC)
(PB)
(L2)
(CD)
(TX)
(L1)
(MO)
F
J101
(CD)
(TX)
(PB)
(REC)
C
(PB)
CN2
(PB)
(REC)
L
J102
(PB)
(TX) (TX)
(REC)
(L1)(L1)
CN4
L
J104
D
(TX)
CN5
22
E
1234
C
CN105
SIGNAL ROUTE
(CD)
: CD AUDIO SIGNAL
(L1)
: LINE 1 SIGNAL
(PB)
: PB SIGNAL
(L2)
: LINE 2 SIGNAL
(MO)
: MAIN OUT SIGNAL
(TX)
: TUNER AUDIO SIGNAL
(LO1)
: LINE OUT 1 SIGNAL
(LO2)
: LINE OUT 2 SIGNAL
(LO)
: LINE OUT SIGNAL
(REC)
: RECORDING SIGNAL
CN3
(LO)
(L2)
5
67
8
XC-IS21MD
I
J103
(LO1)
(L2)
(LO2)
390
(LO2)
(LO1)
CN31
A
(MO)
H
CN131
B
100
(MO)(MO)
100
S5688G
S5688G
(MO)
(LO1)(LO1)
(L1)(L1)(L1)
H
CN132
CN32
C
(L1)
(L1)
D
5
6
7
8
E
23
1
234
XC-IS21MD
3.6 CD and CD MOTOR ASSY
A
(SM)
B
(FS)
(FS)
(TS)
(TS)
(SM)
(SM)
(CM)
(CM)
F
CD ASSY
(AWU7307)
(FS)
(SM)
(CM)
(CM)
(TS)
(TS)
(FS)
(FS)
C
To. P.U Assy
D
24
CN1301
To. CD MECHA
CN1101
F
1234
(LM)
(LM)
(SM)
(SM)
(TS)
(FS)
(FS)
(TS)
Note: The encircled numbers denote measuring point in the schematic diagram.
IC1101- Pin 16:
1
PLAY MODE (RF)
H : 500nsec/div
1.0Vp-p
VC
IC1101- Pin 13 :
2
TEST MODE,
Tracking Open (TRER)
H : 5msec/div
VC : IC1101- Pin12
1.0Vp-p
VC
1
(FS)
2
(TS)
VC
SIGNAL ROUTE
: CD AUDIO SIGNAL ROUTE
(FS)
: FOCUS SERVO LOOP LINE
(TS)
: TRACKING SERVO LOOP LINE
(SM)
: SPINDLE MOTOR ROUTE
(CM)
: CARRIAGE MOTOR ROUTE
(LM)
: LOADING MOTOR ROUTE
(TS)
(SM)
(CM)
(CM)
(TS)
(TS)
(FS)
(FS)
5
67
8
XC-IS21MD
A
J101
E
CN1
B
(FS)
(TS)
J111
CN11
CD MOTOR ASSY
G
(AWU7318)
C
CN10
CN110
C
D
5
6
7
F
G
8
25
1
234
XC-IS21MD
3.7 R-TERMINAL and F-TERMINAL ASSYS
A
H
CN7101
(AWU7317)
CN131
E
CN31
(M-IS21)
B
TO. STEREO POWER AMPLIFIER
R- TERMINAL ASSY
(MO)
(LO1)
(L1)
(MO)(MO)
(L1)
E
(L1)
(LO1)(LO1)
C
CN132
(MO)
SIGNAL ROUTE
(MO)
: MAIN OUT SIGNAL
(L1)
CN7102
D
: LINE 1 SIGNAL
(LO1)
: LINE OUT1 SIGNAL
TO. OPTION DECK
CN32
26
H
1234
1
F- TERMINAL ASSY
I
(AWU7313)
23
XC-IS21MD
OPT.IN
SIGNAL ROUTE
(L2)
: LINE 2 SIGNAL
(LO2)
: LINE OUT2 SIGNAL
4
A
B
VTL1105
(L2)
(L2)
(L2)(L2)
(LO2)
C
(LO2)
(LO2)
J103
D
E
CN3
27
1
2
3
I
4
1
234
XC-IS21MD
3.8 CORE MAIN and CORE SW ASSYS
A
CORE MAIN
J
ASSY
(RWZ4334)
1
2
3
B
CN101
CN102
PICKUP
ASSY
CN105
C
(CARRIAGE)
1011
8
CN701
CN103
9
K
D
CORE SW
ASSY
(RWZ4335)
28
J
K
1234
5
67
SIGNAL ROUTE
: MD PLAYBACK SIGNAL
(PB)
: REC SIGNAL
6
5
(PB)
: OUTPUT DIGITAL AUDIO SIGNAL
: INPUT DIGITAL AUDIO SIGNAL
: RF SIGNAL
XC-IS21MD
8
A
4
B
C
CN104
L
CN4101
(PB)
D
29
5
6
7
J
8
XC-IS21MD
Voltages
MD CORE MAIN ASSY
J
IC101
PIN
VOLTAGE
NO.
0.78V
1
0.73V
2
0.77V
3
0.75V
4
1.61V
5
1.61V
6
0.75V
7
1.61V
8
1.61V
9
1.61V
10
1.61V
11
1.61V
12
3.19V
13
3.19V
14
0V
15
0V
16
3.19V
17
0V
18
0V
19
1.5V
20
3.2V
21
0V
22
0V
23
3.19V
24
2.0V
25
0V
26
1.40V
27
1.42V
28
1.40V
29
1.63V
30
1.61V
31
1.61V
32
0V
33
0V
34
0V
35
1.62V
36
0.59V
37
1.61V
38
1.61V
39
1.61V
40
1.61V
41
3.19V
42
0V
43
1.08V
44
1.61V
45
1.61V
46
0V
47
0.74V
48
PIN
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
IC102
VOLTAGE
1.53V
3.18V
1.65V
0V
1.42V
0V
1.59V
1.41V
1.97V
1.39V
1.64V
3.18V
0V
0V
0V
0V
1.69V
1.52V
1.70V
1.47V
1.47V
1.65V
1.54V
1.69V
1.51V
0.82V
2.0V
2.0V
1.81V
1.4V
0.82V
1.67V
1.67V
1.67V
2.86V
1.32V
2.23V
0V
2.4V
1.2V
1.5V
0V
2.0V
3.0V
1.2V
1.2V
0.02V
3.04V
1.57V
0.05V
PIN
NO.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
VOLTAGE
1.59V
0V
0V
1.59V
1.8V
0V
0V
0V
0V
0V
0.56V
3.18V
0V
1.5V
1.5V
3.2V
1.6V
3.2V
0V
1.6V
1.6V
1.48V
0V
0V
1.68V
1.82V
1.59V
0.35V
0.02V
3.2V
3.2V
0.02V
0.03V
1.9V
1.56V
3.1V
3.2V
0V
3.19V
0.5V
0.5V
0.5V
0.5V
0.9V
0.5V
0.5V
0.5V
0.8V
3.18V
0.06V
PIN
NO.
1
2
3
4
5
9
10
11
12
13
14
15
16
17
18
22
23
24
25
26
IC103
VOLTAGE
1.2V
1.2V
3.0V
2.0V
0V
2.23V
1.32V
2.86V
1.67V
3.18V
1.67V
1.67V
1.67V
2.86V
1.32V
2.23V
2.4V
1.2V
1.5V
0V
PIN
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
IC104
VOLTAGE
0V
0V
0.22V
0.03V
1.29V
2.21V
3.13V
0V
0V
0V
0V
3.03V
1.43V
0V
1.57V
3.2V
3.19V
3.1V
0.03V
0V
0V
3.18V
3.2V
0V
2.67V
3.19V
0V
0V
2.4V
0.24V
0V
0.3V
3.2V
1.56V
1.0V
0V
2.77V
0V
3.18V
0.02V
3.19V
3.2V
0V
0.05V
3.18V
3.19V
0.51V
0.4V
0.3V
0.55V
PIN
NO.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
VOLTAGE
0.54V
0.6V
0.6V
0.6V
0V
0V
0V
0V
3.2V
0V
0V
3.2V
0V
0V
3.2V
0V
0V
0V
0V
0V
0V
3.1V
3.2V
0V
0V
3.2V
0V
0V
0V
3.2V
0V
3.19V
0V
3.19V
0V
3.18V
3.2V
0V
1.03V
1.6V
0.56V
1.49V
1.49V
0.68V
0.61V
0V
0.53V
3.2V
3.2V
0V
30
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