Onkyo CR-305TX User manual

CR-305TX
SERVICE MANUAL
CD RECEIVER
Silver model
MODEL CR-305TX
120V AC, 60Hz
220-230V AC, 50Hz
230-240V AC, 50Hz
UDD,UDT
UGT,UGR,
UPP
Ref. No. 3723
062002
RC-421S
DISPLAY
TUNING/PRESET
STANDBY/ON
MEMORY FM MODE
CLEAR
PHONES
A
C
O
U
S
T
I
C
P
R
E
S
E
N
C
E
INPUT
A
C
O
U
S
T
I
C
P
R
E
S
E
N
C
E
V
O
L
U
M
E
M
A
X
M
I
N
V
O
L
U
M
E
U
P
V
O
L
U
M
E
D
O
W
N
REMOTE CONTROLLER
STANDBY/ON
INPUT
TIMER ENTER
RANDOM
MEMORY REPEAT
CD
PLAY MODE
SLEEP A.PRESENCE
CLOCK
CALL
MUTING
REPEAT
MD
VOLUME
PLAY MODE REPEAT
TUNER
PRESET
CDR
TAPE
SCROLL
RC-421S
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
w w w . x i a o y u 1 6 3 . c o m
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0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

CR-305TX
SERVICE PROCEDURES-1
PROTECTION OF EYES FROM LASER BEAM DURING SERVICING
This set employs a laser. Therefore, be sure to follow
carefully the instructions below when servicing.
WARNING!!
SERVICE WARNING : DO NOT APPROACH THE
LASER EXIT WITH THE EYE TOO CLOSELY.
IN CASE IT IS NECESSARY TO CONFIRM LASER
BEAM EMISSION, BE SURE TO OBSERVE FROM
A DISTANCE OF MORE THAN 30cm FROM THE
SURFACE OF THE OBJECTIVE LENS ON THE
OPTICAL PICKUP BLOCK.
Laser Diode Properties
Material: GaAS/GaAlAs
Wavelength: 780nm
Laser output: max. 0.5mW*
Emission Duration: continuous
*This output is the value measured at a distance about 1.8mm
from the objective lens surface on the Optical Pickup Block.
LASERWARNING LABEL
The labels shown below are affixed.
1. Warning label
2. Class 1 label
LUOKAN 1
LASERLAITE
KLASS 1
LASER APPARAT
DANGER:
INVISIBLE LASER RADIATION WHEN OPEN AND
INTERLOCK FAILED OR DEFEATED. AVOID DIRECT
EXPOSURE TO BEAM.
"CLASS 1 LASER
PRODUCT"
Printed on rear panel
CAUTION:
HAZARDOUS LASER AND ELECTROMAGNETIC
RADIATION WHEN OPEN AND INTERLOCK DEFEATED.
ATTENTION:
RAYONNEMENT LASER ET ELECTROMAGNETIQUE
DANGEREUX SI OUVERT AVEC L'ECLENCHEMENT
DE SECURITE ANNULE.
w w w . x i a o y u 1 6 3 . c o m
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7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

CR-305TX
SERVICE PROCEDURES-2
SERVICE PROCEDURES
1. Replacing the fuses
3. Safety-check out
(Only U.S.A. model)
After correcting the original service problem perform the follwing safety check before releasing the set to the customer
Connect the insulating-resistance tester between the plug of power supply cord and terminal GND on the back panel.
Specifications: More than 10Mohm at 500V
REF.NO. PART NO. DESCRIPTION
F901 252157 1.25A-UL/T-237, Fuse <DD, DT>
252083 0.4A-SE-EAW, FUSE <PP,GR, GT>
NOTE : <DD, DT> : 120 V model only
<PP,GR, GT> : 230 V model only
This symbol located near the fuse indicates that the
fuse used is show operating type, For continued protection against
fire hazard, replace with same type fuse , For fuse rating, refer to
the marking adjest to the symbol.
Ce symbole indique que le fusible utilise est e lent.
Pour une protection permanente, n'utiliser que des fusibles de meme
type. Ce demier est indique la qu le present symbol est apposre.
2. To initialize the unit
4. Memory Preservation
This unit does not require memory preservation batteries. A built-in memory power back-up system preserves the contents of
the memory during power failures and even when the unit is un-plugged.
The unit must be plugged in order to charge the back-up system.
The memory preservation period after the unit has been unplugged varies depending on climate and placement of the unit.
On the average, memory contents are protected over a period of a few weeks after the last time the unit has been unplugged.
This period is shorter when the unit is exposed to a highly humid cli-mate.
5. Changing the AM band step
With the exception of the worldwide models, a tuning step selector switch is not provided.
When you change the band step, change the parts as shown below.
To 10kHz To 9kHz
R705 3.3k 10k
R706 5.6k open
1. Press and hold the MEMORY button and press the DISPLAY button.
All segments light up.
2. Press the STANDBY/ON button.
When " CLEAR " appears on the display, the preset memory and each mode stored in the memory are initialized
and will return to the factory setting.
w w w . x i a o y u 1 6 3 . c o m
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0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

CR-305TX
R
1
8
8
10
11 20,21
13
14 18
16
15
17
SET FRONT
SET FRONT
PACKINGVIEW
PARTS LIST
1
8
10
11
13
14
15
16
17
18
20
21
REF.NO. PART NO. DESCRIPTION REMARKS
6007210450000
6230210504000
29095835
29110149
29110141
24140421
3010054
232140
29100097-1A
292142
292116
5707210600000
5707210600010
5707210600020
26365090
BOX GIFT CR-305TX
CUSHION SNOW EPS
Sheet 0.515 x 650 x 550
Tape
PP Tape
RC-421S, Remote controller
Battery, UM-3
NMA-3057, AM Loop antenna
Poly bag 350 x 250
FM antenna
FM antenna
INSTRUCTION MANUAL E
INSTRUCTION MANUAL FSI
INSTRUCTION MANUAL GDSW
Warranty card
<DD>
<PP>
<PP>
<PP>
<DD>
[NOTE]
<DD> : USA & Canadian model only
<PP> : European Model only
w w w . x i a o y u 1 6 3 . c o m
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3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

CR-305TX
NOTE : THE COMPONENTS IDENTIFIED BY MARK
ARE CRITICAL FOR RISK OF FIRE AND
ELECTRIC SHOCK. REPLACE ONLY WITH
PART NUMBER SPECIFIED.
NOTE:
<DD> : USA and Canadian model only
<PP> : European model only
<DT> : Taiwanese model only
<GT> : Asian model only
<GR> : Chinese model only
PRINTED CIRCUIT BOARD PARTS LIST-1
CIRCUIT NO.
Q401
Q402
Q403,Q404
Q405, Q406
Q409, Q603
Q501-Q504
Q505-Q508
Q509-Q512
Q515-Q518
Q601
Q602
D491,D492
D501-D504
D601
C409,C410
C415-C418
C421,C422
C423,C424,C603
C425,C426
C429,C430
C491,C492
C493,C494
C495,C496
C501,C502
C505,C506,C601
C509-C510
C515,C516
R427
R491,R492
R493,R494
R495
R496
R519-R522
R533,R534
R535,R536
P400, P401
P402
P403B
P404B
JL501A
PART NO.
ICs
22241072
22240981R2
22241383R2
Transistors
2215410R2
2214470R2
2216156R2
2213143R2
2211455 or
2215975
2211455 or
2215975
2213143R2
2214375R2
Diodes
224491300R2
223234R2
223234R2
Capacitors
354742209
371126834
371121534
354780109
371121544
354742209
354742219
354741019
354761019
354741009
354744709
354722219
354741009
Resistors
5104333
443625614
443522204
443521024
443528214
443523904
443523304
443523904
Jacks
25045575
25045581R0
Sockets
25051529
25051234
Plug
25055631
U1:AUDIO PC BOARD (NAAF-6874)
DESCRIPTION
TC9273N-007
TC9162AF
NJM4565M-D
RN1441
RN1402
2SC1622A-L
2SC2712-O
2SA1015-GR or
KTA1266-GR
2SA1015-GR or
KTA1266-GR
2SC2712-O
2SA1162-GR
UDZ13B
1SS352
1SS352
22uF, 16V, Elect.
0.068uF+/-5%, 50V, Plastic
0.015uF+/-5%, 50V, Plastic
1uF, 50V, Elect.
0.15uF5+/-5%, 50V, Plastic
22uF, 16V, Elect.
220uF, 16V, Elect.
100uF, 16V, Elect.
100uF, 35V, Elect.
10uF, 16V, Elect.
47uF, 16V, Elect.
220uF, 6.3V, Elect.
10uF, 16V, Elect.
N16RG100KBT25F, Volume
560ohm+/-5%, 1W, Metal oxide
22ohm+/-5%, 1/2W, Metal oxide
1kohm+/-5%, 1/2W, Metal oxide
820ohm+/-5%, 1/2W, Metal oxide
39ohm+/-5%, 1/2W, Metal oxide
33ohm+/-5%, 1/2W, Metal oxide
39ohm+/-5%, 1/2W, Metal oxide
NPJ-4PDRW389
HSJ1501-010010, RI Jack
NSCT-18P1316
NSCT-9P1024
NPLG-10P593
CIRCUIT NO.
Q901
Q903
Q902
Q904
D901
D902-D908
D909
D910
D911
C904,C905
C907
C909
C913
C914
C918
C920-C924
R901
R903,R913
R907
R908
R911
R912
RL901
JL903B
P901B
P902
JL504B
F901A
P901C
Q903A
Q903B
PART NO.
ICs
222780125
222780565
Transistors
2211503 or
2211504
2213640
Diodes
22380022F or
22380271F
22380260 or
22380035
224492700R2
224490510R2
223234R2
Capacitors
354763329S
354741009
354761019
354764709
3500173S
354781019
374722244
Resistors
443622204
453530224
453534794
443521024
443522704
431533355
Relay
25065607
25065598 or
25065597
Plug
25055624
25055153
25055676
Socket
25050270
Fuse label
29361919
Clamp
27190608-1
Heat sink
27160250
82143010
DESCRIPTION
78M12HF
78M56
2SA950-O or
2SA950-Y
DTC123JS
RBV402 or
D3SBA20
RL1N4003 or
GP104003E
UDZ27B
UDZ5.1B
1SS352
3300uF,35 V, Elect.
10uF, 16V, Elect.
100uF, 35V, Elect.
47uF, 35V, Elect.
6800uF, 16V, Elect.
100uF, 50V, Elect.
0.22uF+/-5%, 50V, Plastic
22ohm+/-5%, 1W, Metal oxide
2.2ohm+/-5%, 1/2W, Metal oxide
0.47ohm+/-5%, 1/2W, Metal oxide
1kohm+/-5%, 1/2W, Metal oxide
27ohm+/-5%, 1/2W, Metal oxide
3.3Mohm+/-20%,1/2W, Solid <DD,DT>
NRL-2P5A-DC12-155 <DD,DT>
NRL-2P3A-DC12-148 or
NRL-2P8A-DC12-147 <PP,GR,GT,PT>
NPLG-3P586
NPLG-9P137
NPLG-2P632
NSCT-6P98
T400MAL250V <PP,GR,GT,PT>
UA-0 V0
RAD-81
3P+10FN(BC)
U2:POWER SUPPLY PC BOARD (NAPS-6878)
w w w . x i a o y u 1 6 3 . c o m
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3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

CR-305TX
NOTE : THE COMPONENTS IDENTIFIED BY MARK
ARE CRITICAL FOR RISK OF FIRE AND
ELECTRIC SHOCK. REPLACE ONLY WITH
PART NUMBER SPECIFIED.
NOTE:
<DD> : USA and Canadian model only
<PP> : European model only
<DT> : Taiwanese model only
<GT> : Asian model only
<GR> : Chinese model only
PRINTED CIRCUIT BOARD PARTS LIST-2
CIRCUIT NO.
Q751
U751
Q782
D782
C752
R567,R568
P553
JL552B
P701B
S751- S762
Q751A
PART NO.
FL Tube
212141
Remote sensor
241330
Transistor
2214490R2
LED
225381
Capacitor
353721019
Resistors
443523314
Jack
25045396
Sockets
25051089
25052232
Push switches
25035699
Holder
4070210321000
DESCRIPTION
10BT-167GK
PIC-26043TE2
RN1404
SEL2210R-TP1
100uF, 6.3V, Elect.
330ohm+/-5%, 1/2W, Metal oxide
LGT1516-0101, Head phone jack
NSCT-5P876
NSCT-36P2129
NPS-111-S662
FL Holder
U3:FRONT PC BOARD (NADIS-6879)
U4:AMPLIFIER PC BOARD (NAAF-6880)
CIRCUIT NO.
Q551,Q552
Q553,Q554
Q555-Q556
C551,C552
C553,C554
R557,R558
R559-R562
R563,R564
JL501B
JL504A
JL551A
PART NO.
Transistors
2213284 or
2215864
2211653 or
2211654
2211643 or
2211644
Capacitors
355741009
371124734
Resistors
443521014
452732294F
453530824
Sockets
25051094
25051110
25051088
DESCRIPTION
2SC1740S-R or
KTC3199-GR
2SC2235-O or
2SC2235-Y
2SA965-O or
2SA965-Y
10uF, 16V, Elect.
0.047uF+/-5%, 50V, Plastic
100ohm+/-5%, 1/2W, Metal oxide
0.22ohm+/-5%, 2W, Metal oxide
8.2ohm+/-5%, 1/2W, Metal oxide
NSCT-10P881
NSCT-6P897
NSCT-4P875
U5:SPEAKER PC BOARD (NAETC-6881)
CIRCUIT NO.
L551,L552
R565,R566
JL405A
JL551B
JL552A
P551
PART NO.
Coils
231176S
Resistors
453530564
Sockets
25051087
25051088
25055626
Terminal
25060299
DESCRIPTION
S-1.3C
5.6ohm+/-5%, 1/2W, Metal oxide
NSCT-3P874 <DD>
NSCT-4P875
NPLG-5P588
NTM-4PDML230, Speaker
U6:DIGITAL OUTPUT PC BOARD (NAETC-6882)
CIRCUIT NO.
U691
L691
C691
JL405B
P405B
P406
PART NO.
Photo couplers
24120082
Coil
231237K220R2
Capacitors
354741019
Plug
25055624
Socket
25051235
Jack
25045567
25045575
DESCRIPTION
GP1FA550TZ
NCH-1477
100uF, 16V, Elect.
NPLG-3P586 <DD>
NSCT-10P1025
NPJ-1PDBL382 <DD>
NPJ-4PDRW389 <PP,DT,GR,GT,PT>
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

CR-305TX
NOTE : THE COMPONENTS IDENTIFIED BY MARK
ARE CRITICAL FOR RISK OF FIRE AND
ELECTRIC SHOCK. REPLACE ONLY WITH
PART NUMBER SPECIFIED.
NOTE:
<DD> : USA and Canadian model only
<PP> : European model only
<DT> : Taiwanese model only
<GT> : Asian model only
<GR> : Chinese model only
PRINTED CIRCUIT BOARD PARTS LIST-3
U8:CD PC BOARD (NAAR-6875)
CIRCUIT NO.
Q101
Q102
Q103
Q180
Q301
Q701
Q704
Q110,Q112
Q111,Q703
Q114
Q181,Q184
Q182,Q183
Q185,Q186
Q191
Q702
D101,D703,D707
D701,D702,D704
D705
D791
L101,L351
X181
X351
X701
C102,C129,C135
C104,C105,C115
C106,C109
C107,C124,C133
C108
C110,C111,C113
C112
C117,C794,C795
C118,C191,C192
C120
C121,C123
C125,C128 ,C352
C134
C136,C145,C151
C137
C139,C181,C708
C180,C350,C712
C185
C333,C334
C335,C336
C351
C354
C355
C703
C710
C711
PART NO.
ICs
22241499R3
22241247
22240239
22241302
22241500R3
22241502R3
22240239
Transistors
2212853
2214490R2
2211504
2214550R2
2215410R2
2215410R2
2213143R2
2214540R2
Diodes
223234R2
22380284R2
224490560R2
224490510R2
Coils
231237K100R2
Crystals
3010321
3010308
3010261
Capacitors
355721019
374721034
374724744
374722224
374721024
374721044
355780479
355763309
355780339
374723334
374721034
374721034
354724719
355721019
374722234
355780229
355721019
355780229
374726814
355762209
355784799
374724734
374721524
3060010
354721019
3000078
DESCRIPTION
CXA1992BR
LA6541D
TA7291S
BU1923 <PP>
CXD2589Q
MPD78045FGF-119-3B9
TA7291S
2SB1068-K
RN1404
2SA950-Y
RN2404
RN1441
RN1441
2SC2712-O <PP>
RN2403
1SS352
1SR154-400
UDZ5.6B, Zener
UDZ5.1B, Zener
NCH-1475
HC-49/U034.332MHz
HC-49/U0316.9344M
HC-49/U03 4.19M10P
100uF, 6.3V, Elect.
0.01uF+/-5%, 50V, Plastic
0.47uF+/-5%, 50V, Plastic
2200pF+/-5%, 50V, Plastic
1000pF+/-5%, 50V, Plastic
0.1uF+/-5%, 50V, Plastic
4.7uF, 50V, Elect.
33uF, 35V, Elect.
3.3uF, 50V, Elect.
0.033uF+/-5%, 50V, Plastic
0.01uF+/-5%, 50V, Plastic
0.01uF+/-5%, 50V, Plastic
470uF, 6.3V, Elect.
100uF, 6.3V, Elect.
0.022uF+/-5%, 50V, Plastic
2.2uF, 50V, Elect.
100uF, 6.3V, Elect.
2.2uF, 50V, Elect. <PP>
680pF+/-5%, 50V, Plastic
22uF, 35V, Elect.
0.47uF, 50V, Elect.
0.047uF+/-5%, 50V, Plastic
1500pF+/-5%, 50V, Plastic
NTC-20P09, Trimming (Clock adjust)
100uF, 6.3V, Elect.
DX-5R5L104, Super capacitor
U9:CONNECTOR PC BOARD (NAETC-6883)
CIRCUIT NO.
P351B
P352A
PART NO.
Sockets
25052249
25051796A
DESCRIPTION
NSCT-16P2146
NSCT-16P1583
CIRCUIT NO.
R123
JL903A
P351A
P701A
P778
P901A
P104
P105
P302A
P303A
P403A
P404A
P405A
TP01
PARTS NO.
Resistor
5210263
Sockets
25051087
25052212
25052232
25052211
2002391815
Plugs
25055045
25055038
25055149
25055150
25055807
25055705
25055706
Terminal
25060061
DESCRITION
N06HR20KBC, Trimming resister
NSCT-3P874
NSCT-16P2109
NSCT-36P2129
NSCT-15P2108
NSAS-18P0666
NPLG-4P33
NPLG-2P29
NPLG-5P133
NPLG-6P134
NPLG-18P763
NPLG-9P661
NPLG-10P662
Terminal PC
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

CR-305TX
CR-305TX
U9
U1
U2
U3
U8
U10
U4
U5 U6
PC BOARD CONNECTION DIAGRAM
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

A
1
2
3
4
5
BCDEFGH
CR-305TXCR-305TX
EGND
R792
R791
Q184
RN2404
Q181 RN2404
Q183
RN1441
Q182 RN1441
Q186
RN1441
Q185
RN1441
Q701 MPD78045
-VDISP71
10G 7
1G78 2G79 3G
80
4G 1 5G 2 6G 3 7G 4 8G 5 9G 6
ANGMUT51
AREA24
AVDD29
AVREF30
AVSS 20
CDAUTOADJ56 CDCLK 9
CDDATA 11
CLOSE58
DSPMUT 13
FCE 39
FREQCAL
38
IC48
IN/OUT
25
K0 28
K1 27
LED154 LED259
NC 23
OPEN57 P160
P1069 P1170
P1272 P1373 P1474 P1575 P1676 P1777
P261 P362 P463 P564
P665 P766 P867 P968
PLLCE40
POFF31
41: POWERAMP
41
POWERCD53
RCLK36
RDATA37
RDSDATA
42
RDSSCK45
RDSSIG43
REMIN47 RSTN 17 SCOR44
SD 19
SENS 15
SENS20 12
SIGNAL 26
SQCK 14
SQSO 16
STEREO 18
SYSIN46 SYSOUT49 TUMUTE50
VDD1 8
VDD252
VOLDOWN 21
VOLUP 22
VSS2 33
X1 34
X2 35
XLT 10XRST55
XT2 32
R375 10K
R374 10K
R373 10K
R364 1K
R365 10K
R366 10K
R367 10K
R368 10K
R369 10K
R372 10K
R371 1K
R370 1K
R361 1K
C362 1K
R363 1K
R839
0
R838
0
R736
10K
P701A
P701B
P403A
P405A
Q180 BU1923
CMP 8
MUX 4
NC15
QUAL 1RCLK16
RDATA 2
T110 T29
VDD15VDD212
VREF3
VSS16VSS211
VSS3 7
XI13 XO14
Q191
2SC2712-O
P778B
P778A
Q102 LA6541D
CD 17
GND1
7GND28 GND39 GND4 22
GND5 23 GND6 24
MUTE2 REG_IN15 REG_OUT14 RES 16
VCC11 VCC2 30
VG1
4
VG212 VG3 19
VG4 27
VIN13 VIN213 VIN3 18
VIN4 28
VO1+5 VO1-6 VO2+11 VO2-10 VO3+ 20
VO3- 21
VO4+ 26
VO4- 25
VREF 29
D791
UDZ5.1B
D705
UDZ5.6B
P901A
P404A
Q111 RN1404
Q703
RN1404
C703
200
X351
X181
HC-49/U03
X701
P105
Q301
CXD2589Q
AIN166 AIN275 AOUT165 AOUT276
ASYI 37
ASYO 38
AVDD1 34
AVDD264 AVDD377
AVSS1 32
AVSS263 AVSS368 AVSS473 AVSS578
BCK 43
BCKI 44
BIAS 36
C2PO 50
C4M 52
CLKO14
CLOK9
CLTV 33
CNIN11
DATA7
DATO12
DOUT 53
EMPH 54
EMPHI 55
EXCK 59
FILI 31
FILO 30
FOK18
GFS 49
LLOUT167
LMUT2
LOUT274
LRCK 39
LRCKI 40
MDP
21
PCMD
41
PCMDI 42
PCO 29
PWMI 22
RF 35
RMUT3 SBSO 58
SCOR 57
SEIN10
SENS6
SPOA15 SPOB16
SQCK4 SQSO5
SYSM62
TES1 24
TEST 23
V16M 27
VCKI 26
VCTL 28
VDD119
VDD2 46
VDD3
61
VDD4
80
VPCO 25
VSS1
1
VSS2
20
VSS3 45
VSS4
60
WFCK 56
XLAT8
XLON17
XLTO13 XPCK 48
XRST79
XTAI70 XTAO71
XTSL 51
XUGF 47
XVDD69 XVSS72
P104
TEST-POINT1
C360
104
C339
101
C340
101
C109
474
C108102 C133
222
C137
223
C107
222
C105 103
C106 474
C334
681
C333
681
C355
152
C354
473
C352 103
C120 333
C125103 C124
222
C123103
C104
103
C121
103
C115103
C113104
C111104 C110104
C128
103
R123
R112
20KB
Q702
RN2403
L351 100K
L101
100
Q110
2SB1068
Q114
2SA950
Q112
2SB1068
D704
1SR154-400 D702
1SR154-400
D101
1SS352
D703
1SS352
D701
1SR154-400
D707
1SS352
P351A
P351B
P352A
Q101
CXA1992BR
ATSC48
C.OUT24
CB30CC129CC228
CLK20
CP31
DATA22
E42 EI43
F41
FDFECT 3
FEI 2
FEO
1
FE_BIAS
40
FE_M 7
FE_O 6
FGD 4
FLB 5
FOK
27
FSET11
FZC
52
ISET17
LD36
LOCK19
LPFI46
PD37PD138
PD2
39
RFTC35 RF_I32 RF_M34RF_O33
SENS125
SENS226
SL_M15
SL_O16
SL_P
14
SRCH 8
TA_M12
TA_O
13
TDFCT50
TEI47
TEO45
TG210
TGU 9
TZC49
VC51
VCC18
VEE44 XLT21
XRST23
M006
M004
C710
220/6.3
C795
33/35
C335
22/50
C336
22/50
C181
2.2/50
C192
3.3/50
C194
3.3/50
C145
C794
33/35
C118
3.3/50
C136
100/6.3
C135100/6.3
C139
2.2/50
C186
C350
100/6.3
C134
1000/6.3
C129 100/6.3
C151
100/6.3
C351
0.47/50
C144 100/6.3
C711 0.1F
C117
33/35
C712
100/6.3
C185 2.2/50
C180
100/6.3
C102 100/6.3
C101
100/6.3
C112
4.7/50
C708
2.2/50
C713
223
C331
151
C715 104
C716
104
C396
473
C797 104
C796 104
C395 221
C394 221
C393 221
C702
220
C709
C188
C196
223
C195
223
C193
101
C114101
C116
101
C358
104
C705
104
C792
104
C127
C130 104
C119
101
C332151
C357
150
C338104
C353101
C356
150
C337 104
C361
104
C126
220
C182
330
C183
330
C184
561
C791
104
C131 104
C793
104
C714
C704
104
C701
100
R893
R713
1K
R724 1K
R828
0
R721 1K R722 1K R723 1K
R841
0
R333
12K
R330 1M
R807 0
R738 4.7K
R1401M
R377
1K
R343
22
R342
22
R339
220K
R337
100
R340
220K
R338
100
R378100 R376 10K
R843
0
R842
0
R728
10K
R729
10K
R182 4.7K
R181 4.7K
R808
0
R198 R199
R851
0
R852
0
R837
0
R856
0R857
0
R184
0
R814
0
R109
1K
R771
10K
R772
10K
R126
470K R139
39K
R894
R895
R854
0
R813
0
R192 100K
R849
0
R848
0
R195 3.3K
R197
680K
R196
1K
R191
2.2K
R194
39K
R193
39K
R891 0
R892 0
R821
0
R128
10K
R832
0
R122
27K
R125
82K
R834
0
R831
0
R119
100
R127
100K
R113
15K
R107 47K
R108 47K
R106 47K
R846
0
R144
10K
R102
1K
R121
100
R124 1M
R845
0
R835
0
R804
0
R805
0
R836
0
R844
0
R823
0
R822
0
R830
0
R719 1K
R806
0
R815
0R786 1K
R785 1K
R827
0
R840
0
R817
0
R812
0
R825
0
R826
0
R819
0R820 0
R73510K
R803 0
R847
0
R829
0
R802
0
R801
0
R824
0
R818
0
R816
0
R809
0
R810
0
R811
0
R853
0
R855
0
R833 0
R715 1K R714 1K
R718 1K
R734
10K
R733
10K
R732
10K
R701
10K
R138
1M
R131
47K
R712
470
R142
4.7K
R141
10K
R332
12K
R354
22K R355 3.3K
R356
3.3K
R353 1M
R352 100K
R351
10K
R335
12K
R336
12K
R334
12K
R331
12K
R147
0
R148 10K
R149
470
R135
12K
R133 4.7K
R134
12K
R105 47K
R790
4.7K R7874.7K
R151 8.2K
R150 4.7K
R183
0
R711
100
R130
8.2K
R795 4.7K
R794
470
R793
470
R101
22
R117
47K
R118
150K
R116
100K
R132
220K
R137
4.7K
R104
120K
R129 4.7K
R103 120K R111
15K
R145
4.7K
R710
47K
R709 220K
R727
10K
R784
0
R717 1K
R781 1K
R782 1K
R783 0 R720 1K
R704
10K
R706 470
R705 4.7K
R703 2.7K
R702 2.7K
R708 22K
R707 22K
P303A
P303B
P302A
P302B
M002
M003
M005
Q704 TA7291S
GND5 IN19 IN21 NC4 OUT17 OUT23 VCC2 VREF8 VS6
Q103 TA7291S
GND5 IN19 IN21 NC4 OUT17 OUT23 VCC2 VREF8 VS6
FOCUSING
TRACKING
+5V
Vref
FC
VC
TR
SLD
FE1
FE2
TE1
TE2
MDP
VC EFM
FC- FC-
PCO
FILO FILI
CLTV
TR- TR-
TR+ TR+
FC+ FC+
PD PD
VR CLKO
LD GND XLTO
LD-G LD DATAO
FF XRST SSTOP
CC COUT CLKO
BB SENS1O
AA SENS2O
DD
EE SENS1O
VCC VCC FOK CLOK
VC EFM XLAT DOUT
GND
DATA EMPH
SENS
SQSO
DRFO SQCK
GND
C
A
PD
VCC
MCK
DMUTE
SP+ XRST
SP-
SL+ MDPLAY-R
SL-11
SSTOP SLD
SL-1
SL+ SP+ SP-
MDPLAY-L
GND VC MDP
DC-IN MDREC-R
MDREC-L
LD+
LD-
SSTOP
SENS2O
XRST CLOK XLAT DATA SQCK SENS SQSO
+12V
FC+ FC- TR+ TR-
TR
GND FC F2
F1
TR POWERCD -VDSP
DC-IN +5.6 +5.6
FC+ GND
FC- POFF
POWERAMP
SSTOP
GND
STEREO
SENS SQSO
SD
VOLDOWN VOLDOWN
LD+ VOLUP VOLUP
STEREO
SD
LD- CLOSE
RDS
+5BKUP
+5.6 +5.6
GND
SENS2O
AREA
RSTN
4G
5G 6G 7G 8G 9G
10G
+5BKUP
CLOK XLAT SQCK
DATA
10G
9G 3G
8G 2G SIGNAL
7G 1G K1
6G P17 K0
5G P16
4G P15
3G RDSDATA
P14 POFF POFF
2G RDSSIG
P13
1G RDSSCK
P12
P17
P16 P11
P15 P10
P14 P9
P13 STEREO
P8 TEST-1
P12 SD
P7
P11 TUMUTE
MDPLAY-R
P6
P10
F1 F2
-VDSP
TU-R
P9 GND
P8
TU-L
P7
+5BKUP
P5
XRST
RDS MDPLAY-L
P4 P3 P2 P1
REMO SCOR
P6 GND +12V
P5 -VDSP TU+5V MDREC-R
P4 SIGNAL
P3 MDREC-L
P2 FCE/STB
P1
OPEN
LED2
CLOSE
VCC
RCLK
PLLCE
FCE/STB
RCLK
F1
ANGMUT
LED1
POWERAMP
RDATA
RDATA
PLLCE
F2
GND
POWERAMP
VOLUP
VCC VOLDOWN ANGMUT
REMO1 VOLUP1
K11 VOLDWN2
K01 R.I
LED21 FCE/STB
RDATA
RCLK
SCOR
LSR
R133 4.7K
R134 12K
R135 12K
C127 OPEN
SCOR
SCOR
B
VC
VC
TUNER UNIT
3.3K5.6KDT
PT 5.6K 3.3K
OPEN10K
3.3K
PP
DD
J5.6K 10K
OPEN R706R705
NADIS-6879
NAETC-6883
AP
C126 22PF
NAAR-6875
U8
CD CIRCUIT PC BOARD
U9
CONNECTOR
PC BOARD
CD MECHANISM
To NAETC-6882
P405B
To NAAF-6874
P403B
To NAAF-6874
P404B
To TUNR UNIT
F ADJUST
To NAPS-6878
P901B
R739
10K
R740
10K
FOCUS GAIN ADJUST
0.47/50 104
104
MARKBY
THE COMPONENTS IDENTFIED ARE CRITICAL FOR SAFETY.
REPLACE ONLY WITH PART NUMBER SPECIFIED.
.
.VOLTAGE (MEASUREDWITHVOLTMETER) IS DCVOLTAGE. (NO INPUT SIGNAL)
.ELECTROLYTIC CAPACITORS ( )ARE IN F/WV.
.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030 3pF 330 33pF 331 330pF 333 0.033uF
u
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX) PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
.
.
NOTE
SCHEMATIC DIAGRAMS-2
(CD AND MICROPROCESSOR SECTION)
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

A
1
2
3
4
5
BCDEFGH
CR-305TXCR-305TX
EGND
R792
R791
Q184
RN2404
Q181 RN2404
Q183
RN1441
Q182 RN1441
Q186
RN1441
Q185
RN1441
Q701 MPD78045
-VDISP71
10G 7
1G78 2G79 3G
80
4G 1 5G 2 6G 3 7G 4 8G 5 9G 6
ANGMUT51
AREA24
AVDD29
AVREF30
AVSS 20
CDAUTOADJ56 CDCLK 9
CDDATA 11
CLOSE58
DSPMUT 13
FCE 39
FREQCAL
38
IC48
IN/OUT
25
K0 28
K1 27
LED154 LED259
NC 23
OPEN57 P160
P1069 P1170
P1272 P1373 P1474 P1575 P1676 P1777
P261 P362 P463 P564
P665 P766 P867 P968
PLLCE40
POFF31
41: POWERAMP
41
POWERCD53
RCLK36
RDATA37
RDSDATA
42
RDSSCK45
RDSSIG43
REMIN47 RSTN 17 SCOR44
SD 19
SENS 15
SENS20 12
SIGNAL 26
SQCK 14
SQSO 16
STEREO 18
SYSIN46 SYSOUT49 TUMUTE50
VDD1 8
VDD252
VOLDOWN 21
VOLUP 22
VSS2 33
X1 34
X2 35
XLT 10XRST55
XT2 32
R375 10K
R374 10K
R373 10K
R364 1K
R365 10K
R366 10K
R367 10K
R368 10K
R369 10K
R372 10K
R371 1K
R370 1K
R361 1K
C362 1K
R363 1K
R839
0
R838
0
R736
10K
P701A
P701B
P403A
P405A
Q180 BU1923
CMP 8
MUX 4
NC15
QUAL 1RCLK16
RDATA 2
T110 T29
VDD15VDD212
VREF3
VSS16VSS211
VSS3 7
XI13 XO14
Q191
2SC2712-O
P778B
P778A
Q102 LA6541D
CD 17
GND1
7GND28 GND39 GND4 22
GND5 23 GND6 24
MUTE2 REG_IN15 REG_OUT14 RES 16
VCC11 VCC2 30
VG1
4
VG212 VG3 19
VG4 27
VIN13 VIN213 VIN3 18
VIN4 28
VO1+5 VO1-6 VO2+11 VO2-10 VO3+ 20
VO3- 21
VO4+ 26
VO4- 25
VREF 29
D791
UDZ5.1B
D705
UDZ5.6B
P901A
P404A
Q111 RN1404
Q703
RN1404
C703
200
X351
X181
HC-49/U03
X701
P105
Q301
CXD2589Q
AIN166 AIN275 AOUT165 AOUT276
ASYI 37
ASYO 38
AVDD1 34
AVDD264 AVDD377
AVSS1 32
AVSS263 AVSS368 AVSS473 AVSS578
BCK 43
BCKI 44
BIAS 36
C2PO 50
C4M 52
CLKO14
CLOK9
CLTV 33
CNIN11
DATA7
DATO12
DOUT 53
EMPH 54
EMPHI 55
EXCK 59
FILI 31
FILO 30
FOK18
GFS 49
LLOUT167
LMUT2
LOUT274
LRCK 39
LRCKI 40
MDP
21
PCMD
41
PCMDI 42
PCO 29
PWMI 22
RF 35
RMUT3 SBSO 58
SCOR 57
SEIN10
SENS6
SPOA15 SPOB16
SQCK4 SQSO5
SYSM62
TES1 24
TEST 23
V16M 27
VCKI 26
VCTL 28
VDD119
VDD2 46
VDD3
61
VDD4
80
VPCO 25
VSS1
1
VSS2
20
VSS3 45
VSS4
60
WFCK 56
XLAT8
XLON17
XLTO13 XPCK 48
XRST79
XTAI70 XTAO71
XTSL 51
XUGF 47
XVDD69 XVSS72
P104
TEST-POINT1
C360
104
C339
101
C340
101
C109
474
C108102 C133
222
C137
223
C107
222
C105 103
C106 474
C334
681
C333
681
C355
152
C354
473
C352 103
C120 333
C125103 C124
222
C123103
C104
103
C121
103
C115103
C113104
C111104 C110104
C128
103
R123
R112
20KB
Q702
RN2403
L351 100K
L101
100
Q110
2SB1068
Q114
2SA950
Q112
2SB1068
D704
1SR154-400 D702
1SR154-400
D101
1SS352
D703
1SS352
D701
1SR154-400
D707
1SS352
P351A
P351B
P352A
Q101
CXA1992BR
ATSC48
C.OUT24
CB30CC129CC228
CLK20
CP31
DATA22
E42 EI43
F41
FDFECT 3
FEI 2
FEO
1
FE_BIAS
40
FE_M 7
FE_O 6
FGD 4
FLB 5
FOK
27
FSET11
FZC
52
ISET17
LD36
LOCK19
LPFI46
PD37PD138
PD2
39
RFTC35 RF_I32 RF_M34RF_O33
SENS125
SENS226
SL_M15
SL_O16
SL_P
14
SRCH 8
TA_M12
TA_O
13
TDFCT50
TEI47
TEO45
TG210
TGU 9
TZC49
VC51
VCC18
VEE44 XLT21
XRST23
M006
M004
C710
220/6.3
C795
33/35
C335
22/50
C336
22/50
C181
2.2/50
C192
3.3/50
C194
3.3/50
C145
C794
33/35
C118
3.3/50
C136
100/6.3
C135100/6.3
C139
2.2/50
C186
C350
100/6.3
C134
1000/6.3
C129 100/6.3
C151
100/6.3
C351
0.47/50
C144 100/6.3
C711 0.1F
C117
33/35
C712
100/6.3
C185 2.2/50
C180
100/6.3
C102 100/6.3
C101
100/6.3
C112
4.7/50
C708
2.2/50
C713
223
C331
151
C715 104
C716
104
C396
473
C797 104
C796 104
C395 221
C394 221
C393 221
C702
220
C709
C188
C196
223
C195
223
C193
101
C114101
C116
101
C358
104
C705
104
C792
104
C127
C130 104
C119
101
C332151
C357
150
C338104
C353101
C356
150
C337 104
C361
104
C126
220
C182
330
C183
330
C184
561
C791
104
C131 104
C793
104
C714
C704
104
C701
100
R893
R713
1K
R724 1K
R828
0
R721 1K R722 1K R723 1K
R841
0
R333
12K
R330 1M
R807 0
R738 4.7K
R1401M
R377
1K
R343
22
R342
22
R339
220K
R337
100
R340
220K
R338
100
R378100 R376 10K
R843
0
R842
0
R728
10K
R729
10K
R182 4.7K
R181 4.7K
R808
0
R198 R199
R851
0
R852
0
R837
0
R856
0R857
0
R184
0
R814
0
R109
1K
R771
10K
R772
10K
R126
470K R139
39K
R894
R895
R854
0
R813
0
R192 100K
R849
0
R848
0
R195 3.3K
R197
680K
R196
1K
R191
2.2K
R194
39K
R193
39K
R891 0
R892 0
R821
0
R128
10K
R832
0
R122
27K
R125
82K
R834
0
R831
0
R119
100
R127
100K
R113
15K
R107 47K
R108 47K
R106 47K
R846
0
R144
10K
R102
1K
R121
100
R124 1M
R845
0
R835
0
R804
0
R805
0
R836
0
R844
0
R823
0
R822
0
R830
0
R719 1K
R806
0
R815
0R786 1K
R785 1K
R827
0
R840
0
R817
0
R812
0
R825
0
R826
0
R819
0R820 0
R73510K
R803 0
R847
0
R829
0
R802
0
R801
0
R824
0
R818
0
R816
0
R809
0
R810
0
R811
0
R853
0
R855
0
R833 0
R715 1K R714 1K
R718 1K
R734
10K
R733
10K
R732
10K
R701
10K
R138
1M
R131
47K
R712
470
R142
4.7K
R141
10K
R332
12K
R354
22K R355 3.3K
R356
3.3K
R353 1M
R352 100K
R351
10K
R335
12K
R336
12K
R334
12K
R331
12K
R147
0
R148 10K
R149
470
R135
12K
R133 4.7K
R134
12K
R105 47K
R790
4.7K R7874.7K
R151 8.2K
R150 4.7K
R183
0
R711
100
R130
8.2K
R795 4.7K
R794
470
R793
470
R101
22
R117
47K
R118
150K
R116
100K
R132
220K
R137
4.7K
R104
120K
R129 4.7K
R103 120K R111
15K
R145
4.7K
R710
47K
R709 220K
R727
10K
R784
0
R717 1K
R781 1K
R782 1K
R783 0 R720 1K
R704
10K
R706 470
R705 4.7K
R703 2.7K
R702 2.7K
R708 22K
R707 22K
P303A
P303B
P302A
P302B
M002
M003
M005
Q704 TA7291S
GND5 IN19 IN21 NC4 OUT17 OUT23 VCC2 VREF8 VS6
Q103 TA7291S
GND5 IN19 IN21 NC4 OUT17 OUT23 VCC2 VREF8 VS6
FOCUSING
TRACKING
+5V
Vref
FC
VC
TR
SLD
FE1
FE2
TE1
TE2
MDP
VC EFM
FC- FC-
PCO
FILO FILI
CLTV
TR- TR-
TR+ TR+
FC+ FC+
PD PD
VR CLKO
LD GND XLTO
LD-G LD DATAO
FF XRST SSTOP
CC COUT CLKO
BB SENS1O
AA SENS2O
DD
EE SENS1O
VCC VCC FOK CLOK
VC EFM XLAT DOUT
GND
DATA EMPH
SENS
SQSO
DRFO SQCK
GND
C
A
PD
VCC
MCK
DMUTE
SP+ XRST
SP-
SL+ MDPLAY-R
SL-11
SSTOP SLD
SL-1
SL+ SP+ SP-
MDPLAY-L
GND VC MDP
DC-IN MDREC-R
MDREC-L
LD+
LD-
SSTOP
SENS2O
XRST CLOK XLAT DATA SQCK SENS SQSO
+12V
FC+ FC- TR+ TR-
TR
GND FC F2
F1
TR POWERCD -VDSP
DC-IN +5.6 +5.6
FC+ GND
FC- POFF
POWERAMP
SSTOP
GND
STEREO
SENS SQSO
SD
VOLDOWN VOLDOWN
LD+ VOLUP VOLUP
STEREO
SD
LD- CLOSE
RDS
+5BKUP
+5.6 +5.6
GND
SENS2O
AREA
RSTN
4G
5G 6G 7G 8G 9G
10G
+5BKUP
CLOK XLAT SQCK
DATA
10G
9G 3G
8G 2G SIGNAL
7G 1G K1
6G P17 K0
5G P16
4G P15
3G RDSDATA
P14 POFF POFF
2G RDSSIG
P13
1G RDSSCK
P12
P17
P16 P11
P15 P10
P14 P9
P13 STEREO
P8 TEST-1
P12 SD
P7
P11 TUMUTE
MDPLAY-R
P6
P10
F1 F2
-VDSP
TU-R
P9 GND
P8
TU-L
P7
+5BKUP
P5
XRST
RDS MDPLAY-L
P4 P3 P2 P1
REMO SCOR
P6 GND +12V
P5 -VDSP TU+5V MDREC-R
P4 SIGNAL
P3 MDREC-L
P2 FCE/STB
P1
OPEN
LED2
CLOSE
VCC
RCLK
PLLCE
FCE/STB
RCLK
F1
ANGMUT
LED1
POWERAMP
RDATA
RDATA
PLLCE
F2
GND
POWERAMP
VOLUP
VCC VOLDOWN ANGMUT
REMO1 VOLUP1
K11 VOLDWN2
K01 R.I
LED21 FCE/STB
RDATA
RCLK
SCOR
LSR
R133 4.7K
R134 12K
R135 12K
C127 OPEN
SCOR
SCOR
B
VC
VC
TUNER UNIT
3.3K5.6KDT
PT 5.6K 3.3K
OPEN10K
3.3K
PP
DD
J5.6K 10K
OPEN R706R705
NADIS-6879
NAETC-6883
AP
C126 22PF
NAAR-6875
U8
CD CIRCUIT PC BOARD
U9
CONNECTOR
PC BOARD
CD MECHANISM
To NAETC-6882
P405B
To NAAF-6874
P403B
To NAAF-6874
P404B
To TUNR UNIT
F ADJUST
To NAPS-6878
P901B
R739
10K
R740
10K
FOCUS GAIN ADJUST
0.47/50 104
104
MARKBY
THE COMPONENTS IDENTFIED ARE CRITICAL FOR SAFETY.
REPLACE ONLY WITH PART NUMBER SPECIFIED.
.
.VOLTAGE (MEASUREDWITHVOLTMETER) IS DCVOLTAGE. (NO INPUT SIGNAL)
.ELECTROLYTIC CAPACITORS ( )ARE IN F/WV.
.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030 3pF 330 33pF 331 330pF 333 0.033uF
u
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX) PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
.
.
NOTE
SCHEMATIC DIAGRAMS-2
(CD AND MICROPROCESSOR SECTION)
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

CR-305TX
CR-305TX
TAPE
REC
PLAY
CDRPLAY
REC
MDPLAY
REC
P405
SUBWOOFER
PREOUT
FM
AM
P551
SPEAKERS
L
R
Q181-Q183
TUNER MUTE
VOLUME
M
Q704
MOTOR VOLUME
DRIVER TA7291S
Q603,Q405
MUTING Q601,Q602
AMP. MUTE
M
AB
C
D
E
F
M
M
FOCUS
COIL
TRACKING
COIL
SPINDLE
MOTOR
SLED
MOTOR
21 VO3-
20 VO3+
25 VO4+
26 VO4-
10 VO2+
11 VO2-
5 VO1+
6 VO1 -
Q105
FOCUS/TRACKING &
SLED/SPINDLE
MOTOR DRIVER
LA6541D
Q101
RF SIGNAL
PROCESSING
SERVO AMP.
CXA1992BR
LD 36 LD
37 PD
A,C
B,D
E,F
38 PD1
39 PD2
41,42
1 FEO
FOCUS
GAIN ADJ.
Q301
CD DIGITAL SIGNAL
PROCESSOR
CXD2589Q
CLK 20
XLT 21
DATA 22
COUT 24
SENS1 25
14 CLK
13 XLT
12 DAT
11 CNIN
10 SEIN
FOK 27 18 FOK
CLOCK
XLAT
DATA
SQCK
SENS
SQSO
Q701
MICROPROCESSOR
MPD78042GF
LOUT1 67
LOUT2 74 Rch
DOUT 53
9
8
7
6
4
5
9
10
11
15
14
16
TUNER UNIT
SENS2 26
12 SENS20
SCOR
57 44
XRST 23
XRST 79
55 XRST
SSTOP 15 SPOA
TRAY
MOTOR 3 OUT2
7 OUT1
Q103
TRAY MOTOR DRIVER
TA7291S
VIN4 28
VG3 19
VIN1 3
VIN2 13
6 FEO
16 SLO
FC
SLD
TR
SPDL
13 TAO
21 MDP
+
+
+25 IN/OUT
OPEN/
CLOSE
VOLDN 21
VOLUP 22
S751-S762
KEY SWITCH
Q751
FL TUBE
10-BT-167GK
U751
REMOTE
SENSOR
STEREO
SD
SIGNAL
CK 14
DATA 15
ST 16
Q401 INPUT SELECTOR
TC9273N-007
13 ST
15 CK
16 DATA
27 K0 38 K1
Q402
ACOUSTIC PRESENCE
CONTROL
TC9162
POWER AMPLIFIER
ANG MUTE 51
POWER 41
P553
PHONES
VCC
VCC 18
53 POWER CD
Q901
78M12
+12V
TO FL TUBE
Q903
78M56
+5.6V
POWER
FAILURE
DETECTOR
+22V
-22V P901
T901
POWER
TRANSFORMER
F901
RL901
Q902
-27V
Q902
AC IN
REMIN 47
60-77 P1-P10
U691
OPTICAL
OUTPUT
Excluding
USA & Canadian
models
OUT
Q184-Q186
CD MUTE
5.6V
Q110
,Q111
1-7,78-80 G1-G9
R425
Q403,Q404
ACOUSTIC PRESENCE CONTROL
18 STEREO
19 SD
26 SIGNAL
USA & Canadian models only
42 RDS DATA
43 RDS SIG
45 RDSCLK
50 TU MUTE
13 DSP MUTE
40 PLL
36 RCLK
37 RDATA
39 FCE
PLL
RCLK
RDATA Q180
RDS DECODER
BU1923
RDS 2
1
16
4
European Model only
CD MECHANISM POFF 31
Q702
BUFFER
SYS IN 46
SYS OUT 49
RI
+12V
57 OPEN
58 CLOSE
BLOCK DIAGRAM
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

CR-305TX
6
13
20
19 12
2
1
34
29
22
16
16
28
27
26
21
16
12
18
25
24
23
13
16
7
9
8
10
6
11
6
6
14
15
NCD-170S
5
NCD-170S
17
PARTS LIST The mechanical parts with no part number
in the exploded views are not supplied.
REF. NO. PART NO. DESCRIPTION
12646-290-01 Tray
2 Stopper
32625-544-01 Gear cover
42625-535-01 Tray Gear
52625-546-01 Chucking plate
6 PTPWH2.6 x 7, Screw
72625-537-01 Chucking yoke
81452-493-21 Magnet
92625-541-02 Damper
10 2646-291-01 Chucking pulley
11 2646-288-01 Sub chassis
12 2627-236-01 Coil spring (front)
13 2627-235-01 Coil spring (back)
14 2646-289-01 Washer
15 P2.6 x 10, Screw
---
---
---
16 Insulator
17 Drive unit
18 Main chassis
19 PTPWH2.6 x 16, Screw
20 Drive Gear
21 Control cam
22 Leaf switch
23 Socket
24 Loading PC board
25 Loading motor
26 Middle gear
27 Loading pulley
28
2627-234-01
2625-552-06
3319-501-51
2625-547-01
2625-545-04
1692-667-11
1564-721-11
1640-523-11
X2625-117-1
2625-274-02
2625-536-02
3653-387-00 LM belt
29 B2.6 x 2.5, Screw---
---
REF. NO. PART NO. DESCRIPTION
EXPLODEDVIEWS OF MECHANISM-1
CD MECHANISM:WSL-2130CCM
---Different parts to NCD-170S
*
The parts which constitute NCD-170S
can use it as substitution parts.
Model No. CD Mechanism
CR-305X NCD-170S
CR-305TX WSL-2130CCM
NCD-170S and WSL-2130CCM consist of
almost same parts.
Refer to
"EXPLODEDVIEWS OF MECHANISM-2"
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

CR-305TX
51
54
55
53
56
57
58
61
52
PARTS LIST
REF. NO. PART NO. DESCRIPTION
51
52
53
54
55
56
57
58
61
Motor chassis ass'y
Motor gear ass'y
Sled shaft
Gear (A) (S)
P2 x 3, Screw
Leaf switch
Motor PC board
Connector 6pin
KSS-213C, Pickup
EXPLODEDVIEWS OF MECHANISM-2
CD MECHANISM:WSL-2130CCM (CD DRIVE UNIT)
X2625-877-1
X2625-769-1
2626-908-01
24810023
7621-255-15
24840008
1639-678-12
1564-722-11
8848-483-05
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

CR-305TX
CR-305TX
EXPLODEDVIEW PARTS LIST-1
NOTE: THE COMPONENTS IDENTIFIED BY MARK ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE ONLY WITH PART NUMBER SPECIFIED.
NOTE:
<DD> : USA and Canadian model only
<PP> : European model only
<DT> : Taiwanese model only
<GT> : Asian model only
<GR> : Chinese model only
CAUTION:
Replacement of the transistor of mark , if necessary, must be made
from the same beta group(HFE) as the original type.
1
6
7
8
9
10
12
14
15
16
20
22
23
24
25
26
31
33
41
42
43
44
46
47
50
52
53
54
3217210171000
838130088
3200210996000
27190693A
27191112
4070210311000
27175253-1A
27300750
830440069
831430088
4310210401000
3000210266000
838930088
5087210571000
4317210391000
27150456
3207211006000
3207211006100
838430068
3067210858000
3067210858011
5127210262000
4357210031000
5070210851000
3710210333000
5077210843000
880009
5507100500450
5507100500470
5507100500480
5507100500460
5507100500510
5507100500520
5507100500440
FRAME FRONT
3TTB+8B, Self tapping screw
MAIN CHASSIS
KGLS-6RF, Holder
KGPS-6RF, Holder
SUPPORTER CD MECHA
Leg
Busing, cord
4TTC+6C(BC), Self tapping screw
3TTW+8B(BC), Self tapping screw
COVER HEAT SINK
CABINET COVER
3TTB+8B(UN), Self tapping screw
KNOB VOLUME
DOOR CD
Shield plate
BACK CHASSIS
BACK CHASSIS
3TTB+6B(BC), Self tapping screw
AL PANEL FRONT
AL PANEL FRONT
DECORATION VOLUME
GUIDE VOLUME
WINDOW REMOCON
LENS INDICATOR
WINDOW DISPLAY
Plastic rivet, NRP-345
LABEL RATING
LABEL RATING
LABEL RATING
LABEL RATING
LABEL FCC and WARNING
LABEL FCC and WARNING
LABEL LASER CAUTION
<DD>
<PP, GR, DT, GT>
<DD, GR, DT, GT>
<PP>
<PP, GR, GT>
<DD>
<GR>
<DT>
<PP>
<DD>
<PP, GT, DT>
<GR, GT, PP>
F901
P302
P303
P351
P352
P701
P778
P901
Q557,Q558
Q559,Q560
Q557A
Q557B
T901
Z1
Z2
Z3
Z5
Z6
252157
252083
2009990500
20022391210
2047161012
2042161022
2047360612
2047151012
253294HDK
253287HIT
253237HIT
2203384 or
2203383
2203394 or
2203393
2120210418000
801433
2301452
2301454
2301453
24800018A
24840133
24840135
838120080
838426088
1.25A-UL/T-237, Fuse
0.4A-SE-EAW, Fuse
NSAS-10P0654, Socket
NSAS-12P0723, Socket
NCFC7-161012, Flexible flat cable
NCFC2-161022, Flexible flat cable
NCFC7-360612, Flexible flat cable
NCFC7-151012, Flexible flat cable
AS-UC-2#18, Power supply cord
AS-CCEE, Power supply cord
AS-CEE, Power supply cord
2SC3851-Y or
2SC3851-O, Transistor
2SA1488-Y or
2SA1488-O, Transistor
HEAT SINK
3SMS8W.SW+14B(BC), Special screw
NPT-1391D, Power transformer
NPT-1391G, Power transformer
NPT-1391P, Power transformer
NCD-170S, CD mechanism
Boss, PCB
Boss, PCB3
2TTB+8P, Self tapping screw
2.6TTB+8B(BC), Self tapping screw
<DD, DT>
<PP,GR, GT>
<DD, DT>
<GR>
<PP, GT>
<DD, DT>
<GR, GT>
<PP>
REF NO. PART NO. DESCRIPTION REF NO. PART NO. DESCRIPTION
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

CR-305TX
CR-305TX
EXPLODEDVIEW PARTS LIST-2
NOTE: THE COMPONENTS IDENTIFIED BY MARK ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE ONLY WITH PART NUMBER SPECIFIED.
NOTE:
<DD> : USA and Canadian model only
<PP> : European model only
<DT> : Taiwanese model only
<GT> : Asian model only
<GR> : Chinese model only
REF NO. PART NO. DESCRIPTION
U1
U2
U3
U4
U5
U6
U8
U9
U10
7028061541010
7028061542010
7028061542030
7028061542040
7028061543010
7028061546010
7028061544010
7028061544030
7028061545010
7028061545030
7028061551010
7028061551030
7028061551040
7028061552010
240134
240135
PCB AUDIO ASSY
PCB SUPPLY ASSY
PCB SUPPLY ASSY
PCB SUPPLY ASSY
FRONT PCB ASSY
AMP BOARD ASSY
SPEAKER BOARD ASSY
SPEAKER BOARD ASSY
PCB DIGITAL ASSY
PCB DIGITAL ASSY
CD PCB ASSY
CD PCB ASSY
CD PCB ASSY
CONNECTOR PCB ASSY
TFCE1U114A, Tuner unit
TFCE1E512A, Tuner unit
<DD, DT>
<PP>
<GT,GR>
<DD>
<PP,DT, GT,GR>
<DD>
<PP,DT, GT,GR>
<DD.
<PP>
<DT, GR, GT>
<DD>
<GR, GT, PP, DT>
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

CR-305X
CR-305X
1
7
9
8
10
912
14
20
22
24
25
31
41
43
46
47
F901
P302
P303
P351
P352
P701
P778
P901
(DD,DT type)
Q557
Q558
Q559
Q560
Q557A
Q557B
T901
Z1
Z2
Z5
Z3
Z6
52
54
53
U1
U2
U3
U4
U5
U6
U8
U9
U10
33
666
6
6
23
6
6
16
66
P901
(PP type)
26
50
42
44
15
EXPLODEDVIEW
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

CR-305TX
U.S. and Canadian models
Asian and European models
(White)
(Red)
Audio connection cable
(White)
(Red)
Improper connection
Insert completely
L
RL
RL
REMOTE
CONTROL
OPTICAL
SPEAKERS
TAPE
CDR
DIGITAL
OUTPUT
SUBWOOFER
PRE OUT
ANTENNA AM
FM
75
R
OUT
(REC)
(PLAY)
IN
OUT
(REC)
(PLAY)
IN
L
RL
RL
REMOTE
CONTROL
SPEAKERS
TAPE
CDR MD
ANTENNA AM
FM
75
DIGITAL
OUTPUT
R
OUT
(REC)
(PLAY)
IN
OUT
(REC)
(PLAY)
IN
OUT
(REC)
(PLAY)
IN
RL
OPT I CAL
Stereo cassette
tape deck
CD recorder
MD recorder
Stereo cassette
tape deck
CD recorder
INPUT (REC)
OUTPUT (PLAY)
INPUT (REC)
OUTPUT (PLAY)
: Signal flow To wall outlet
Protective cap for the optical digital audio connector
Do not connect the AC power cord (mains lead) to the wall outlet (the mains) until you have completed all the other connections
including the connections on page 7, and the speaker connections on page 8.
On each pair of connectors, a red connector (marked R) corresponds to the right channel, and a white connector (marked L)
to the left channel.
Connect white plugs of audio connection cables to L connectors and connect red plugs of audio connection cables to R connectors .
Please refer to the instruction manual for each component when you make
any connections.
Insert the plug securely. If the connection is incomplete, noise or malfunction may result.
DIGITAL OPTICAL NPUT
To wall outlet
INPUT (REC)
OUTPUT (PLAY)
INPUT (REC)
OUTPUT (PLAY)
DIGITAL OPTICAL NPUT
DIGITAL OPTICAL
INPUT OUTPUT
(PLAY) INPUT
(REC)
: Signal flow
Remove the protective cap before you use
the OPTICAL DIGITAL OUTPUT connector.
Please retain it for future use. If
you do not use the optical digital audio
connector, make sure to replace the cap.
To L connector
To R connector
To L connector
To R connector
PANELVIEW
REAR PANEL
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

CR-305TX
http://www.onkyo.co.jp/
HOMEPAGE
ONKYO U.S.A. CORPORATION
18 Park Way, Upper Saddle River, N.J. 07458, U.S.A.
Tel: [phone] Fax: [phone] E-mail: [email protected]
ONKYO EUROPE ELECTRONICS GmbH
Industriestrasse 20, 82110 Germering, GERMANY
Tel: [phone] Fax: [phone] E-mail: [email protected]
ONKYO CHINA LIMITED
Units 2102-2107, Metroplaza Tower I, 223 Hing Fong Road, Kwai Chung,
N.T., HONG KONG Tel: [phone] Fax: [phone]
Sales & Product Planning Div. : 2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN
Tel: [phone] Fax: [phone]
ONKYO CORPORATION
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

CR-305TX
SERVICE PROCEDURES-1
PROTECTION OF EYES FROM LASER BEAM DURING SERVICING
This set employs a laser. Therefore, be sure to follow
carefully the instructions below when servicing.
WARNING!!
SERVICE WARNING : DO NOT APPROACH THE
LASER EXIT WITH THE EYE TOO CLOSELY.
IN CASE IT IS NECESSARY TO CONFIRM LASER
BEAM EMISSION, BE SURE TO OBSERVE FROM
A DISTANCE OF MORE THAN 30cm FROM THE
SURFACE OF THE OBJECTIVE LENS ON THE
OPTICAL PICKUP BLOCK.
Laser Diode Properties
Material: GaAS/GaAlAs
Wavelength: 780nm
Laser output: max. 0.5mW*
Emission Duration: continuous
*This output is the value measured at a distance about 1.8mm
from the objective lens surface on the Optical Pickup Block.
LASERWARNING LABEL
The labels shown below are affixed.
1. Warning label
2. Class 1 label
LUOKAN 1
LASERLAITE
KLASS 1
LASER APPARAT
DANGER:
INVISIBLE LASER RADIATION WHEN OPEN AND
INTERLOCK FAILED OR DEFEATED. AVOID DIRECT
EXPOSURE TO BEAM.
"CLASS 1 LASER
PRODUCT"
Printed on rear panel
CAUTION:
HAZARDOUS LASER AND ELECTROMAGNETIC
RADIATION WHEN OPEN AND INTERLOCK DEFEATED.
ATTENTION:
RAYONNEMENT LASER ET ELECTROMAGNETIQUE
DANGEREUX SI OUVERT AVEC L'ECLENCHEMENT
DE SECURITE ANNULE.
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

CR-305TX
SERVICE PROCEDURES-2
SERVICE PROCEDURES
1. Replacing the fuses
3. Safety-check out
(Only U.S.A. model)
After correcting the original service problem perform the follwing safety check before releasing the set to the customer
Connect the insulating-resistance tester between the plug of power supply cord and terminal GND on the back panel.
Specifications: More than 10Mohm at 500V
REF.NO. PART NO. DESCRIPTION
F901 252157 1.25A-UL/T-237, Fuse <DD, DT>
252083 0.4A-SE-EAW, FUSE <PP,GR, GT>
NOTE : <DD, DT> : 120 V model only
<PP,GR, GT> : 230 V model only
This symbol located near the fuse indicates that the
fuse used is show operating type, For continued protection against
fire hazard, replace with same type fuse , For fuse rating, refer to
the marking adjest to the symbol.
Ce symbole indique que le fusible utilise est e lent.
Pour une protection permanente, n'utiliser que des fusibles de meme
type. Ce demier est indique la qu le present symbol est apposre.
2. To initialize the unit
4. Memory Preservation
This unit does not require memory preservation batteries. A built-in memory power back-up system preserves the contents of
the memory during power failures and even when the unit is un-plugged.
The unit must be plugged in order to charge the back-up system.
The memory preservation period after the unit has been unplugged varies depending on climate and placement of the unit.
On the average, memory contents are protected over a period of a few weeks after the last time the unit has been unplugged.
This period is shorter when the unit is exposed to a highly humid cli-mate.
5. Changing the AM band step
With the exception of the worldwide models, a tuning step selector switch is not provided.
When you change the band step, change the parts as shown below.
To 10kHz To 9kHz
R705 3.3k 10k
R706 5.6k open
1. Press and hold the MEMORY button and press the DISPLAY button.
All segments light up.
2. Press the STANDBY/ON button.
When " CLEAR " appears on the display, the preset memory and each mode stored in the memory are initialized
and will return to the factory setting.
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com