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Most Recent Pioneer IS-21T Questions
My System Not Working
(Posted by mathewbraganza43 2 years ago)
How To Connect The Lg Led Tv To
Pioneer Is-21t Cd Mini Audio System?
Thanx
(Posted by jeffersoncoderes 11 years ago)
Volume Control?
(Posted by Anonymous-80224 11 years ago)
I Have A Problem With My Cd Player,there Is No Sound Coming Out.
the light turns on,but there is no sound what so ever.could it be a cord or something eles.
the light turns on,but there is no sound what so ever.could it be a cord or something eles.
(Posted by lupitatinajero2002 12 years ago)
Popular Pioneer IS-21T Manual Pages
Service Manual - Page 1
...(S). PCB PARTS LIST 46 6. LTD. 253 Allexandra Road, #04-01, Singapore 159936
c PIONEER ELECTRONIC CORPORATION 1999
T - This product does not function properly when independent; Component
System IS-21T
Service Manual
Remarks
CD TUNER DECK STEREO POWER AMPLIFIER SPEAKER SYSTEM
XC-IS21T M-IS21 S-IS21
RRV2148 RRV2143 RRV2141
This service manual
CONTENTS
1. Type
Model XC-IS21T
Power...
Service Manual - Page 2
...CD LD ON
IC1201 CXD2587Q
V+5CD
V+5CD 8 GNDCDM 5
CD L 10
(CD)
D.
BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
MECHA ASSY A
DECK...CD ASSY
F
V+5CDM
V+5UN
J101
V+5UN 3
V+5CD
V+5CDM 4
(FS) (FS) (TS) (TS) (SM) (SM) (CS) (CS)
SL/SP
MOTOR
C
CN1301
+
SL -
1 SL + 2 SL -
+
SP -
5 SP + 6 SP - OUT
D. 1
2
3
4
XC-IS21T...
1 29
LCD ASSY
D
TUNER MODULE CN6201 CN161 ASSY J60 ...
Service Manual - Page 3
...
9
7
(LO2)
1
LOUT2
1
(LO2)
LINE OUT2
B
LOUT2
OPT IN/OUT V+5 OPT
GND OPT
CN1
D. STEREO PWER AMPLIFIER (M-IS21)
AC 8
AC 8
3 AC
V+5.6V 7 V+5UN 10 B2GND 3
V+5.6V 7
V+5UN
10 B2GND...
8 5
6
7
8
XC-IS21T
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)
: ...
Service Manual - Page 4
1
2
3
4
XC-IS21T
3.2 OVERALL CONNECTION DIAGRAM
A
I F-TERMINAL ASSY (AWU7311) J103
J107
CN3
CN7
E AF ASSY (AWU7298)
CN1
B
J101
J111
CN1301
F CD ASSY (AWU7305)
G CN11
CD MOTOR ASSY
(AWU7318)
CN6201 CN161 J60 J60
C
A B
CN110
CN1101
FM/AM TUNER MODULE (AXQ7065)
TX CONNECT ASSY (AWU7323)
CN90 D
CN190
18 1
CN10 CN80
C U- COM ASSY (AWU7327)
D LCD ASSY (AWU7354)
CN180
2
3
4
Service Manual - Page 5
...XC-IS21T
Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST". STEREO POWER AMP (M-IS21)
CN7102 CN7101
H
A
R-TERMINAL ASSY
CN132
(AWU7315)
CN131
CN2 J2201
CN32
CN31
CN2603
CN150 CN50 CN20 J2202
DECK ASSY (AWU7334)
CN5
CN105
C U- To. COM ASSY (AWU7327)
CN2701 B
J
CN2301
CN2302
K FRONT PANEL ASSY (AWU7308) CN51
J155
N
CD...
Service Manual - Page 6
1
2
3
4
XC-IS21T
3.3 FM/AM TUNER MODULE and TX CONNECT ASSYS
A
MIX AMP RF AMP
(FM) (FM)
(FM)
(FM)
(FM)
1T378A
(FM)
B
(FM)
C
(AM)
(FM)
(FM)
(FM)
OSC
1T378A
BUFFER
(AM)
(AM)
(AM)
(FM)
(FM)
(FM) IF AMP FM +B SW
(AM)
MW RF TUNING BLOCK AKX7041
(AM)
FM/AM TUNER MODULE
: AM SIGNAL ROUTE
(AXQ7065)
(FM)
: FM SIGNAL ROUTE
(TX)
: TUNER AUDIO SIGNAL
D
A 20
1
2
3
4
Service Manual - Page 10
1
2
3
XC-IS21T
3.5 AF ASSY
J107 CN7
A
E AF ASSY (AWU7298) CN1
(TX) (CD)
BF
J101
(CD)
(REC)
(L2) (LO)
(PB) (L2)
(CD) (TX) (L1)
(L1) (L1)
(TX)
CN2
J
(PB)
J2201
(REC)
C
SIGNAL ROUTE
(CD)
: CD AUDIO SIGNAL
(L1)
: LINE 1 SIGNAL
(PB)
: DECK PB SIGNAL
(L2)
: LINE 2 SIGNAL
(MO)
: MAIN OUT SIGNAL
(TX)
: TUNER AUDIO SIGNAL
D
(LO1)
: LINE OUT 1 SIGNAL
(LO2)
: LINE...
Service Manual - Page 13
5
6
7
8
XC-IS21T
(SM) (CM) (CM) (TS) (TS) (FS) (FS)
(FS)
A J101
E
CN1
B
C
CN10
CN110
(TS)
C
G J111 CN11
CD MOTOR ASSY (AWU7318)
D
F G 27
5
6
7
8
Service Manual - Page 14
OPTION DECK
D
H 28
1
2
3
4 TERMINAL ASSY (AWU7315) CN7101
4 CN131
TO. STEREO POWER AMPLIFIER (M-IS21)
E
CN31
B
VTL1096 (L1)
VTL1096 (L1)
(LO1)
VTL1096 VTL1096
(MO) (LO1) (L1)
E
CN32
C
VTL1096
VTL1096
(MO)
(MO)
CN132
CN7102 VTL1096
SIGNAL ROUTE
(MO)
: MAIN OUT SIGNAL
(L1)
: LINE 1 SIGNAL
(LO1)
: LINE OUT1 SIGNAL
To. 1
2
3
XC-IS21T
3.7 R-TERMINAL and F-TERMINAL ASSYS...
Service Manual - Page 18
1
2
3
4
XC-IS21T
3.9 FRONT PANEL, LIGHT-L, CD OPEN SW and CD CLOSE SW ASSYS
A
C CN50
CN150
B
J51
L
LIGHT-L ASSY (AWU7321)
CN51
DTA143EK-TLB
DTC124EK-TLB SLR-343VC(NPQ)-TS
C
DTC124EK-TLB
K
FRONT PANEL ASSY (AWU7308)
D
K L 32
1
2
3
4
Service Manual - Page 19
...: STATION MEMORY
A
S5921: FREQ/STATION
S5922: REVERSE
S5923: DOLBY NR ON/OFF
B
C
J154 J54
J155 J55
M
CD OPEN SW ASSY (AWU7319)
N
CD CLOSE SW ASSY (AWU7320)
5
6
7
D
M N 33 8
5
6
FRONT PANEL ASSY (SW name)
S5901: POWER (STANDBY...
S5909: TREBLE S5910: PLAY/PAUSE S5911: ST.WIDE S5912: BASS S5913: STOP S5914: BALANCE S5915: TUNER S5916: VOLUME/JOG
7
8
XC-IS21T
S5917:
/TUNING-
Service Manual - Page 21
...adjustment. ADJUSTMENT
For adjustment, use the stereo power amplifier (M-IS21).
6.1 DECK SECTION
6.1.1 Adjustment Condition
(1) The ...the heads and demagnetize them using a head eraser. (3) Set the measurement level to the type of Adjustments
¶... reduction manufactured under license from Dolby Laboratories Licensing Corporation. XC-IS21T
6. When adjusting, pay carefull attention to 0 dBV ...
Service Manual - Page 22
XC-IS21T
6.1.2 Playback Section
(1) Tape Speed Confirmation
No. Playback signal level
After adjustment, apply silicon bond to the LINE - No. No.
L ch R ch
VR2401 VR2402
Measurement Points
TP L (C2203) TP R (C2204) (DECK...it carefully. Note: Set the 10kHz input signal level to the same value as not to Fig. 6-3)
Measurement Points Adjustment Value
Remarks
TP R (C2204) (DECK ASSY)
3000
Hz...
Service Manual - Page 23
..., BASS and TREBLE data to the volume IC. (∗3)
Function : CD (∗4) Initial setting of CD decoder IC. No
Is P9 and P10 at "H" level ? Initialize the DECK.
Release the system MUTE.
No
500 msec.
Standby states
POWER ON
Power is "L". Initialize the LCD microcomputer.
XC-IS21T
7. GENERAL INFORMATION
7.1 DIAGNOSIS
7.1.1 SEQUNCE AFTER THE POWER ON
Note...
Service Manual - Page 24
...58 XC-IS21T
7.1.2 SINGLE OPERATION METHOD Jigs and Measuring instruments
VA
Low-frequency DC power-
Connect part B... of the U-COM ASSY [ CN105 pin8 (AC), AF ASSY[W423 (GND)] and frequency oscillator. (Refer to Fig. 7-1 and 7-2.)
Connect point B U-COM ASSY, CN105 pin8 (AC) AF ASSY, W423 (GND)
frequency 50 or 60 Hz
Low-frequency oscillator
level
Gnd
Approx.2.0 Vrms
osc GND
Note: Set...
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