CR-305FX
SCHEMATIC DIAGRAMS-2
CD & MICROPROCESSOR SECTION
CD MECHANISM
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12345678 910
P303A
P351A
Q101
CXA1992BR
Q301
CXD2589Q
Q180
BU1923
Q701
MPD78045FGF-149-3B9
Q103
TA7291S
R891
0
R892
0
R108
47K
R107
47K
R106
47K
R105
47K
R846
0
R138
1M
R135
12K
R134
12K
R133
4K7
R103
120K
R101
22
R104
120K
R102
1K
R119
100
R118
150K
R835
0
R116
100K
R842
0
R117
47K
R843
0
R831
0
R837
0
R845
0
D101 1SS355USM
L101
100
Q114
KTA1266
C102
100/6.3
C123
10N(M)
C125
10N(M)
C127
C126
22P-J
C139
2.2/50
C124
2N2(M)
C120
33N(M)
P105
C121
10N(M)
C107
2N2(M)
C104
10N(M)
C105
10N(M)
C137
22N(M)
C130
100N-Z
C119
100P-J
C133
2N2(M)
C106
470N(M)
C116
100P-J
C109
470N(M)
C108
1N(M)
C115
10N(M)
C111
100N(M)
C110
100N(M)
C114
100P-J
C113
100N(M)
R834
0
R833
0
R125
82K
R130
8K2
R126
470K
R131
47K
R132
220K
R124
1M
R832
0
R122
27K
R121
100
R128
10K
R129
4K7
R140
1M
R821
0
R139
39K
R127
100K
R123
20K
C118
3.3/50
C117
33/50
C112
4.7/50
P104
TEST POINT
C136
100/6.3
C135
100/6.3
Q102
LA6541D
Q112
KTA1273
R145
4K7
R141
10K
R142
4K7
R144
10K
C128
10N(M)
C134
470/6.3
P302A
C151
100/6.3
C145
100/6.3
R147
0
R150
4K7
R149
1K
R151
8K2
R148
10K
Q110
KTA1273
R734
10K
R368
10K
R370
1K
R367
10K
R369
10K
R371
1K
R372
10K
R374
10K
R736
10K
R364
1K
R365
10K
R366
10K
R373
10K
R375
10K
R362
1K
R361
1K
R805
0
R378
100
R334
12K
R332
12K
R738
4K7
R336
12K
R340
220K
R807
0
R330
1M
R338
100
R363
1K
R355
3K3
R354
22K
R356
3K3
R353
1M
R352
100K
R351
10K
R802
0
R804
0
C360
100N-Z
C352 10N(M)
C354
47N(M)
C355
1N5(M)
C351
0.47/50
C353
100P-J
C396
47N-Z
R801
0
R376
10K
R137
0
C129
100/6.3
C337
100N-Z
C333
680P-J
C331
150P-J
C338
100N-Z
C358
100N-Z
C357
15P-J
C334
680P-J
C332
150P-J
C356
15P-J
C350
100/6.3
X351
16M9344
R331
12K
R333
12K
R335
12K
R339
220K
R337
100
C361
100N-Z
P403A
P404A
P778A
Q184
KRA104S
Q181
KRA104S
Q191
KTC3875-0
R893
R853
0
R196
1K
R895
R857
0
R894
R856
0
R182 4K7
R181
4K7
R191
2K2
R194
39K
R195
3K3
R199
R854
0
R198
R197
680K
R184
0
R183
0
C195
22N-Z
C188
NC
C184
560P-J
C191
3.3/50
C181
2.2/50
XTAL181
HC-49/U03
C182
33P-J
C183
33P-J
C196
22N-Z
C185
2.2/50
C180
100/6.3
D702
1SR154
Q704
TA7291S
P901A
P405A
R852
0
R851
0
R849
0
R848
0
R193
39K
R192
100K
R708
22K
C704
100N-Z
C193
100P-J
C192
3.3/50
R820
0
R812
0
R809
0
R817
0
R816
0
R825
0
R826
0
R819
0
R814
0
R793
470
R810
0
R786
1K
R785
1K
R806
0
R813
0
R815
0
R808
0
R787
4K7
R790
4K7
R735
10K
R784
0
R795
4K7
R377
1K
X701
4M194
C703
200
C702
10P-J
C701
27P-J
R719
1K
R829 0
R704
10K
R830
0
R703
2K7
R702
2K7
R706
R705
R701
10K
C797
100N-Z
C791
47N-Z
R794
470
R772
10K
R727
10K
R709
220K
R771
NC
R710
47K
R712
470
D791
RLZ5.1B
D705
RLZ5.6B
D703
1SS355USM
C795
33/50
C794
33/50
C792
47N-Z
C793
47N-Z
C705
100N-Z
R721
1K
R722
1K
R818
0
R732
10K
R733
10K
R840
0
R724
1K
R824
0
R723
1K
R841
0
R827
0
R720
1K
R783
0
R717
1K
R718
1K
R828
0
R715
1K
R714
1K
R729
10K
R728
10K
R711
100
R811
0
D704
1SR154
D701
1SR154
C715
100N-Z
C712
100/6.3
C711
0.1F
C710
100/6.3
C708
2.2/50
C716
100N-Z
C796
100N-Z
R782
1K
R781
1K
D707
1SS355USM
R838
0
EGND
R855
0
R847
0
L351
100
R707
22K
R740
10K
R739
10K
R822
0
R823
0
C362
100N-Z
C395
220P-J
C394
220P-J
C393
220P-J
C363
100N-Z
C364
100N-Z
C335
22/35
C336
22/35
R844
0
R836
0
Q111
KRC104S
Q703
KRC104S
Q702
KRA103S
Q183
KRC234S
Q182
Q185
DTC143T-S
Q186
KRC234S
P905
GND
SPINDLE MOTOR
SLED MOTOR
LIMIT SW
-
-
+
+
+2V5
+5V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
M
M
LASER PICKUP
KSM213CCM
LEAF SW
M
OPEN/CLOSE
1
2
3
4
5
21345
6
E
D
A
B
C
F
G
G
LD
PD
T_
F_
T+
F+
+
_
M005
M006
M004
M003
M002
TRACKING
FOCUSING
NAETC-6883
VCC
VC
P352A
P351B
P303B
P302B
TO NADIS-6879
P15
10G
9G
8G
7G
6G
5G
4G
3G
2G
1G
P17
P16
R792
R791
P14
P13
P12
P11
P10
P9
P8
P7
P6
P5
P4
P3
P2
P1
F1
GND
VCC
REM01
K11
K01
LED21
REMO
+5VBKUP
XRST
P1
P2
P3
P4
P5
VOL UP
VOL-DOWN
IN2
VCC
OUT2
NC
GND
VS
OUT1
VREF
IN1
RCLK
RDATA
FCE/STB
R I
ANGMUT
POWERAMP
VOLUP1
VOLDWN2
CMP
VSS3
VDD1
MUX
VREF
RDATA
QUAL
RCLK
NC
XO
XI
VDD2
VSS2
T1
T2
VSS1
MDREC-L
MDREC-R
MDPLAY-L
MDPLAY-R
+12V
F2
F1
-VDSP
GND
POWERAMP
POFF
+5.6
4.332MHZ
+5BKUP
+5.6
GND
IN2
VCC
OUT2
NC
GND
VS
OUT1
IN1
VCC
VREF
VCC1
MUTE
VIN1
VG1
V01+
V01-
GND1
GND2
GND3
V02-
V02+
VG2
V1N2
REG-OUT
REG-IN
RES
CD
V1N3
VG3
V03+
V03-
GND4
GND5
GND6
VO4-
VO4+
VG4
V1N4
RFO
VC
RDSDATA
RDSSIG
RDSSCK
4G
5G
6G
7G
8G
9G
10G
VDD1
CDCLK
XLT
CDDATA
SENS20
DSPMUT
SQCK
SENS
SQSO
RESET
STEREO
SD
AVSS
VOLDOWN
VOLUP
NC
AREA
IN/OUT
SIGNAL
K1
AVDD
AVRFE
K0
POFF
XT2
VSS2
X1
X2
RCLK
RDATA
FREQCAL
FCE
PLLCE
PWOFF
RDSDATA
RDSSIG
SCOR
RDSSCK
SYSIN
REMIN
IC
SYSOUT
TUMUTE
ANGMUTE
VDD2
POWERCD
XRST
CDAUTOADJ
OPEN
CLOSE
LED2
LED1
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
P16
P17
VLOAD
1G
2G
3G
FEO
FEI
FDFECT
FGD
FLB
FE-O
FE-M
SRCH
TGU
TG2
FSET
TA-M
TA-O
SL-P
SL-M
SL-O
ISET
VCC
LOCK
CLK
XLT
DATA
XRST
C.OUT
SENS1
SENS2
FOK
CC2
CC1
CB
CP
RF-I
RF-O
RF-M
RFTC
LD
PD
PD1
PD2
FE-BIAS
F
E
EI
VEE
TEO
LPFI
TEI
ATSC
TZC
TDFCT
VC
FZC
VSS1
LMUT
RMUT
SQCK
SQSO
SENS
DATA
XLAT
CLOK
SEIN
CNIN
DATO
XLTO
CLKO
SPOA
SPOB
XLON
VSS2
FOK
VSS1
MDP
PWM1
TEST
TEST
VPCO
VCKI
V16M
VCTL
PCO
FILO
FILI
AVSS1
CLTV
AVDD1
RF
BIAS
ASYI
ASYO
LRCK
LRCLI
PCMD
PCMDI
BCK
BCKI
VSS3
VDD2
XUGF
XPCK
GFS
C2PO
XTSL
C4M
DOUT
EMPH
WFCK
EMPHI
SCOR
SBSO
EXCK
VSS4
VDD3
SYSM
AVSS2
AVDD2
AOUT1
LLOUT1
AVSS3
XVDD
XTAI
XTAO
XVSS
AVSS4
LOUT2
AIN2
AIN1
AOUT2
AVDD3
AVSS5
XRST
VDD4
MDREC-L
MDREC-R
MDPLAY-L
MDPLAY-R
STERO
SD
TUMUTE
TU+5V
+12V
SIGNAL
GND
PLLCE
-VDSP
F1
F2
PWOFF
SQSO
SENS
SQCK
CLOK
XLAT
DATA
SENS20
XRST
MDP
EFM
LSR
SSTOP
CLOK
SENS10
CLOK
XLAT
DATA
SENS
SQSO
SQCK
SCOR
DOUT
OPEN
CLOSE
DCIN
LD+
LD-
GND
SP+
SP-
SL+
SL-
SSTOP
GND
VC
VCC
E
D
A
B
C
F
G
LD
PD
F+
T+
T-
F-
VC
FOCUS GAIN
ADJ.
SLD
FC
B
D
A
C
PD
DC-IN
SP-
SP+
TR+
TR-
FC+
FC-
SL+
SL-
EFM
FOK
CLKO
XLTO
DATAO
XRST
COUT
SENS1O
SENS2O
3G
2G
1G
P17
P16
P15
P14
P13
P12
P11
P10
P9
P8
P7
P6
SIGNAL
GND
GND
RDATD
RCLK
FCS/STB
POWERCD
MDP
ANGOUT
POWERAMP
PLLCE
FCE/STB
RLCK
RDATA
VCC
+5.6
NAAR-6875
TU-R
TU-L
RDS
F2
K1
K0
+5V
+5V
+5V
FE1
FE2
TE1
TE2
VRFE
HC-49/U03
HC-49/U03
P701A
U08
CD PC BOARD
U09
CONNECTOR PC BOARD
TO NAAF-6874
TO TUNER UNIT
TO NAETC-6882
TO NAPS-6878
PP, PB
10K NC
DT, GQ, GR
5.6K 3.3K
DESTINATION
CIRCUIT NO.
R705
R706
C703
F ADJUST
THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).
ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
(EX) PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
!
NOTE
TEST POINT
<Note>
NC=No mount of parts.
Refer to following table about the parts
displayed by mark " ".
NC
KRC234S
X181
NC
NC
NC
NC
NC
RESISTERS
(EX) 2K2 = 2.2 kohms, 5R6 = 5.6 ohms
CAPACITORS
(EX) 100N = 100 nano farad, 100P = 100 pico farad
SCHEMATIC DIAGRAMS-1
+5.6V
+5V
+5V
SCHEMATIC
DIAGRAMS-1
SCHEMATIC
DIAGRAMS-1
+5V
+5V
+5V
+5.6V
SCHEMATIC DIAGRAMS-1
A
1
2
3
4
5
BCDEFGH
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