Pioneer XC-IS21T Schematic
CD TUNER DECK
XC-IS21T
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
ORDER NO.
RRV2148
Type
ZUCXJ O DC power supply from other system
Model
XC-IS21T
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 TUNER DECK XC-IS21T RRV2148 This service manual
STEREO POWER AMPLIFIER M-IS21 RRV2143
SPEAKER SYSTEM S-IS21 RRV2141
System
IS-21T
Service Manual Remarks
CONTENTS
1. SAFETY INFORMATION
2. EXPLODED VIEWS AND PARTS LIST
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 16
4. PCB CONNECTION DIAGRAM
5. PCB PARTS LIST
6. ADJUSTMENT
7. GENERAL INFORMATION
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34
46
51
57
2
3
7.1 DIAGNOSIS
7.1.1 SEQUNCE AFTER THE POWER ON
7.1.2 SINGLE OPERATION METHOD
7.1.3 DISASSEMBLY
7.1.4 PCB LOCATION
7.2 PARTS
7.2.1 IC
8. PANEL FACILITIES AND SPECIFICATIONS
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57
57
58
60
64
65
65
70
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
1
234
XC-IS21T
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
A
MECHA ASSY
REC/PB
HEAD
ERASE
HEAD
CN2301
PB L
3
GND
2
CN2302
ERASE
1
GND
2
Q2301
(2SK373)
DS
G
(REC)
6
(NJM4558M)
PB
(BA4558MD)
+
VR2801
(BIAS)
5
L2801
BIAS OSC
B
(TS)
TFDR
(TS)
TRDR
(FS)
FFDR
(FS)
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
FRDR
(TS)
(TS)
IC1101
CXA1821M
IC1301
BA5970FP
(FS)
(FS)
FRONT PANEL
ASSY
K
KEY
(FS)
(TS)
JOG
CD MECHA ASSY
(2/2)
PICKUP ASSY
SL/SP
C
MOTOR
+
SL
-
+
SP
-
(1/2)
PICKUP ASSY
D
(TX)
TX CONNECT
7
2
TUNER MODULE
A
CN6201 CN161 J60
TX LcH
7
TX+5V
2
IC2301
3
+
2
-
IC2401
1
(SM)
(SM)
ASSY
B
DECK ASSY
+
1
VR2301
(PB LEVEL)
(REC)
3
2
+
1
3
(SM)
(CS)
(CS)
GNDCDM
V+5CD
CN150 CN50
JOG
KEY 1
KEY 2
KEY 3
TX LcH
TX+5V
J
(PB)
VR2401
(REC LEVEL)
Q2801
(2SC1815)
Q2802
(2SC1815)
TFDR
TRDR
FFDR
FRDR
10
10
17
17
13
13
15
15
J60
7
(TX)
2
+
3
IC2201
(HA1236AF)
DOLBY NR
8
REC OUT
+
(SM)
(CM)
(CM)
(TS)
(TS)
(FS)
(FS)
GND
(FS)
(TS)
44
38
PDG242A
SYSTEM U-COM
39
40
U-COM
ASSY
7
2
PB IN L
BIAS
Cro2
CD LD ON
CN10
CN10
IC5501
C
L2201
16
REC IN L
MPX
LINE OUT L
(PB)
V+12M
CD ASSY
15
15
13
AC_PLUS
60
49
LCD_CE
LCD_CLK
48 8
LCD_DATA
50 9
LCD_POW
414
(TX) (TX)
J2201
+
F
IC1201
CXD2587Q
7
REC L
5
PB L
4
V+12M
7
V+12TX
Q5501
GND
IC5503
PDG243
LCD U-COM
(PB)
(REC)
V+5.6U
GNDU
TX LcH
TX+5V
CN105
6
16
8
15
CN90
1 15
CN80
1 29
CN105
1
7
V+5CDM
V+5CD
V+5CD
D. OUT
V+12TX
GNDU
AC
V+5.6U
V+5UN
V+5CDM
GNDCDM
(CD)
(D.O)
GND
LCD
ASSY
D
V+5UN
V+5CD
CD L
D. OUT
J101
3
4
8
5
10
7
16
1234
5
SIGNAL ROUTE
(CD)
: CD AUDIO SIGNAL
(L1)
: LINE 1 SIGNAL
(PB)
: DECK PB SIGNAL
(L2)
: LINE 2 SIGNAL
(MO)
: MAIN OUT SIGNAL
(D.O)
: OPTICAL OUT SIGNAL
(TX)
: TUNER AUDIO SIGNAL
(LO1)
: LINE OUT 1 SIGNAL
67
(LO2)
: LINE OUT 2 SIGNAL
(LO)
: LINE OUT SIGNAL
(REC)
: RECORDING SIGNAL
(FS)
: FOCUS SERVO LOOP LINE
(TS)
: TRACKING SERVO LOOP LINE
(SM)
: SPINDLE MOTOR ROUTE
(CM)
: CARRIAGE MOTOR ROUTE
(LM)
: LOADING MOTOR ROUTE
F- TERMINAL
ASSY
J103
(D.O) (D.O)
(L2)
V IN
VCC
GND OPT
LIN2
8
9
7
2
XC-IS21T
I
123
(L2)
8
A
OPT OUT
LINE IN2
(D.O)
(L2)
(CD)
(TX)
CN1
CN2
CN3
CN1
10
CN2
CN5
18
8
16
9
CN1
3
4
8
CN5
23
17
7
5
4
2
5
7
D. OUT
REC L
PB L
(PB)
LIN2
(L2)
CD L
GNDCDM
V+12M
V+12TX
GNDU
AC
V+5.6U
V+5UN
V+5CDM
V+5CD
TX LcH
TX+5V
(CD)
(REC)
(TX)
E
(L1)
(LO)
PB L
LIN 2
CD L
TX L
LIN1
AF ASSY
+
(MO)
CN3
(D.O)
IC3001
(LC75398NE)
(L1)
(2SD2395)
VDD
(NJM7812FA)
89 1
OPT IN/OUT
V+5
(MO)
Q2001
IC131
V+5 OPT
V+5
7
GND OPT
+
LOUT2
IC3002
(NJM4558MD)
(MO)
D3009D3008
IC141
(NJM7805FA)
(LO2)
(LO2)
3
2
(LO1)
+
-
CN32
LOUT1
AOUT L
1
12
LIN1
(L1) (L1)
GNDS
LOUT2
9
LOUT1
AOUT L
6
7
CN31
V+12UNV+12UN
9
AC
8
V+5.6V V+5.6V
7
V+5UN
10
B2GND
B1GND
GNDU
3
2
6
B2GND
B1GND
LIN1
GNDS
V+5UN
GNDU
CN132
12
CN131
AC
10
1
9
6
7
9
8
7
3
2
6
(LO2)
(LO1)
(MO)
R- TERMINAL
ASSY
H
CN7101
1
3
4
5
6
9
10
LINE OUT2
LINE OUT1
AUDIO OUT
LINE IN1
V+12UN
AC
V+5.6V
V+5UN
(M-IS21)
B2GND
TO. STEREO PWER AMPLIFIER
B1GND
GNDU
B
C
D
17
5
6
7
8
1
234
XC-IS21T
3.2 OVERALL CONNECTION DIAGRAM
A
CN1
B
J101
F
(AWU7305)
F-TERMINAL ASSY
I
E
CD ASSY
(AWU7311)
AF ASSY
(AWU7298)
CN1301
J111
J103
CN3
J107
CN7
CN11
G
CD MOTOR
ASSY
(AWU7318)
CN1101
CN6201
C
CN161
J60
J60
A
B
CN110
(AXQ7065)
(AWU7323)
FM/AM TUNER MODULE
D
CN190 CN180
TX CONNECT ASSY
D
CN10
LCD ASSY
(AWU7354)
U- COM ASSY
CN80CN90
C
(AWU7327)
18
1234
5
67
8
XC-IS21T
Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and P AR TS LIST" or "PCB PARTS LIST".
To. OPTION DECK
CN132
CN32
CN5
CN105
C
CN7102 CN7101
R-TERMINAL ASSY
U- COM ASSY
(AWU7327)
H
(AWU7315)
To. STEREO POWER AMP (M-IS21)
CN131
CN2
CN31
CN20
J2201
CN2603
CN2701
J2202
J
(AWU7334)
DECK ASSY
A
B
FRONT PANEL ASSY
K
CN51
J51
L
LIGHT-L ASSY
(AWU7321)
(AWU7308)
CN50
CN150
J155
N
CD CLOSE SW ASSY
J55
(AWU7320)
M
CD OPEN SW ASSY
J54J154
(AWU7319)
CN2301
CN2302
C
D
19
5
6
7
8
1
234
XC-IS21T
3.3 FM/AM TUNER MODULE and TX CONNECT ASSYS
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
20
A
1234
5
67
8
XC-IS21T
A
(AM)
(FM)
(AM)
(FM)
(FM)
AF AMP
(TX) (TX)
AF AMP
REGULATOR
(TX)
CN161 J60
CN6201
D20PYY1315
B
(AWU7323)
B
C
J60
C
PLL
TX CONNECT ASSY
D
21
5
6
7
A
B
8
1
XC-IS21T
3.4 U-COM and LCD ASSYS
A
CN190 CN180
234
D
LCD ASSY
(AWU7354)
CN90
B
L5509 L5510
C
CN80
C
U-COM ASSY
(AWU7327)
D
CN20
J2202
J
22
C
D
1234
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