CR-305FX
SCHEMATIC DIAGRAMS-1
AMPLIFIER / POWER SUPPLY / DISPLAY SECTION
TU
TU
CD
CK
CD
DATA
RI
-
+
GND
-VP
AC
1.1
0.6
L
MD-R
MD-R
MD-P
MD-P
GND
DOUT
VOL DOWN
VOL UP
1 F1
MUTE
6 9G
8 7G
10 5G
12 3G
14 1G
31 P16
32 P15
34 P13
35 P12
37 P10
38 P9
40 P7
43 P4
46 P1
-0.7
GND
AC
22.2
+B
+B
DGND
GND
GND
2
6
DGND
GND
COM
MD-P
VEE
CD
NADIS-6879
CLK
ST
10-BT-167GK
M
-13
POFF
36
34
K0
+12
33
GND
31
F3
29
F1
27
P1
P3
P5
P7
P9
P11
P12
P15
P17
2G
4G
6G
8G
10G
-1.1
1.1
RL901
-22.2
5
T901
P901
R
GND
COM
MD-R
+5V
7 8G
9 6G
5 10G
2 F1
POWER
11 4G
13 2G
20 P17
33 P14
Q751
36 P11
39 P8
41 P6
44 P3
42 P5
45 P2
49 F2
50 F2
13
20.4
20.4
POWER
AP
K1
5.6V
35
VCC
32
GND
30
F2
28
P2
P4
P6
P8
P14
P16
P10
1G
3G
5G
7G
9G
-21.3
-21.3
-20.6
21.1
NAPS-6878
MRL-2P5A
-1.1
-0.6
-B
GND
GND
-B
GND
GND
P551
NAETC-6882
NAAF-6874
TUNER
CDR-R
T-REC
REMOCON
21.3
NAAF-6880
DT : AC120V, 60Hz
GQ, GR : AC220-230V, 50/60Hz
PP, PB : AC230-240V, 50Hz
CDR-P
T-PLAY
T400mAL/250V
NAETC-6881
D501
1SS355
18K
R526
1
234
JL551A
100P
C403
C401
100P
C427
100P
C906
100N
C918
100/50
C551
10/16
P912
C558
2N2
100P
C408
100P
C433
R413
330
R415
1M
R409
2K2
1M
R412
330
R406
R408
1M
R407
1M
R402
2K2
R404
1M
R403
1M
100N
C692
0
R692
680
R473
R480
470
C432
100N
100P
C404
100P
C402
C691.
100/16
S756
ACOUSTIC
PRESENCE
1K8
R755
1K
R430
C494
100/16
1K
R754
R432 100K
C415.
68N-M
C413
100P
S753
DISPLAY
470
R752
R440
1K8
2K2
R442
1M
R448
C417
68N-M
C421
15N-M(63V)
R441
2K2
1K8
R439
S751
STANDBY/
ON
390
R751
R454
1M
R452
47K
C434
470N
R451
47K
S761
FF
150K
R458
C435
470N
C425
150N-M
S760
PLAY
C428
100P
C602
100N
S759
STOP
KRA102S
Q603
C603
1/50(SSE)
R462
56K
100N
C751
R466
2K2
47K
R601
47K
R602
KTC3875-Y
Q601
R485
0
UDZ13B
D492
R465
2K2
R508
1K
C504
330P
R504
12K
C506
47/16
R506
10K
D502
1SS355
C505
47/16
R507
1K
C503
330P
C782
100N
470
R789
C792
100N
R512
820
R516
680
R488
0
220/6.3
C510
220/6.3
C509
R513
270
680
R515
39(1/2W)-R
R520
R522
39(1/2W)-R
C514
22P
22P
C512
R528
18K
D504
1SS355
56K
R518
R533
33(1/2W)-R
R535
39(1/2W)-R
D503
1SS355
KTA1266-GR
Q511
R527
18K
22P
C513
Q515
KTA1266GR
C511
020C
R914
2K2
100N
C908
10/25
C907
R530
0
R532
0
R531
0
100/35
C495
R529
0
R493
22(1/2W)-R
D910
UDZ5.1B
78M56
Q903
C911
22N
R906
NC
R910
3K3
R908
1K(1/2W)
2K2
R909
R911
27(1/2W)
R904
3K3
3300/35
C905
C904
3300/35
Q552
2SC1740
D907
1SR35
Q558
2SC3851-O.Y
Q559
2SA1488-O.Y
C923
220N
220N
C920
3M3
R912
F901
R566
5R6(1/2W)-R
L552
S-1.3C
L551
S-1.3C
C557
2N2
1
3
2
JL405B
C559
10N
330
R414
R405
330
R410
2K2
1M
R416
2K2
R401
C431
100N
13
2
JL405A
0
R691
C437
22N
R429
1K
C493
100/16
C556
100N
68N-M
C416
100P
C414
100K
R431
C430
22/16
68N-M
C418
R444
680
C422
15N-M(63V)
1M
R447
2K2
R464
R446
1M
1/50
C424
R445
1M
R463
2K2
1K8
R760
R457
150K
R455
680
820
R758
R757
470
56K
R461
R484
0
R791
0
0
R790
390
R756
R603
12K
D601
1SS355USM
C492
220/16
D491
UDZ138
220/16
C491
R503
12K
R514
270
KTC3875-Y
Q507
KTC3911-BL
Q503
820
R511
KTA1266-GR
Q512
56K
R517
33(1/2W)-R
R534
18K
R525
Q517
KTC3198-GR
R536
39(1/2W)-R
R519
39(1/2W)-R
39(1/2)-R
R521
KRC105M
Q904
C915
100N
56789
10
4
3
2
1
JL501A
56
789
10
4
3
2
1
JL501B
D903
1SR35
C913
47/35
C910 22N
1K5
R552
18K
R556
680
R554
18K
R555 R553.
680
1K5
R551
Q551
2SC1740
C552
10/16
100(1/2W)-R
R558
2SA1488-O.Y
Q560
R561
R22(1/2W)-R
R22(1/2W)-R
R559
C921
220N
12
34
JL551B
R565
5R6(1/2W)-R
5
1
2
3
4
17
18
10
11
12
13
14
15
16
6
7
8
9
26
25
19
20
21
22
23
24
P701B
2
1
P902
L
R
P406
100P
C471
P402
L
R411
1M
L
R
L
R472
10K
L691.
220K
C436
22N
R567
330(1/2W)
S755
INPUT>
S754
INPUT<
FM MODE
S752
S762
FR
820
R753
R456
680
C420
100P
47K
R434
18K
R436
R438
1M
R435
18K
R449
NC
100P
C419
C752.
100/6.3
KSM603TE2
U751
S758
OPEN
S757
MEMORY
R486
0
10/25
C502
R468
470
KRC234S
Q406
47/16(SSE)
C601
R426
12K
R605
220K
R492
560(1W)-R
C501
10/25
R491
560(1W)-R
KRC104S
Q782
R510
820
Q510
KTA1266CR
KTC3875-Y
Q508
Q506
KTC3875-Y
Q518
KTC3198-GR
C496
100/35
KTC3875-Y
Q505
KTA1266GR
Q509
D911
1SS355
220N
C924
D908
1SR35
D904
1SR35
D905
1SR35
R907
0.47(1/2W)
100/35
C909
D902
1SR35
RL901
D3SB20
D901
1
3 2
JL903B
1 2 3 4 5 6
JL504A
1 2 3 4 5 6
JL504B
Q554
KTC1027-O.Y
R562
R22(1/2W)-R
C554
47N
Q556
KTA1023-O.Y
C553
47N
KTA1023-O.Y
Q555
Q557
2SC3851-O.Y
Q553
KTC1027-O.Y
C560
10N
U691
R
R
5
6
7
8
9
10
4 3 2 1
P405B
1
2
3
54
JL552B
10K
R471
1
18
11
10
8 9
14
13
12
15 16 17
6 7
5
3
2
4
P403B
28
1
16
17
18
19
20
21
22
23
24
25
26
27
15
2
3
4
5
6
7
8
9
10
11
12
13
14
TC9273M-007
Q401
P553
C555
100N
330(1/2W)
R568
C410
22/16
150N-M
C426
C412
100P
5
6
7
NJM4565M
Q404
R450
NC
28
27
1
26
25
24
23
22
21
20
19
18
17
16
15
14 13 12 11 10 9 8 7 6 5 4 3 2
CK
DATA
VDD
GND
ST
COM4
S7
COM3
S6
S5
COM2
S6
S3
COM1
S2
S1
VSS
Q402
TC9162AF
R437
1M
C411
100P
R453
1M
C423
1/50
47K
R433
R443
680
22/16
C429
22/16
C409
5
6
7
NJM4565M
Q403.
1K
R759
R502
56K
R606
2K2
12K
R425
R467
470
KRC234S
Q405
R501
56K
R604
22K
2
3
1
8
4
NJM4565M
Q403
KTA1504
Q602
C917
100N
D782
HL-30CN
1
2
3
4
5
6
8
7
9
P901B
KIA7812APL
Q901
10/25
C516
Q502
KTC3911-BL(L)
KTC3911-BL
Q504
Q516
KTA1266GR
10/25
C515
R494
22(1/2W)-R
R505
10K
820
R509
1SR35
D906
C914
6800/16
Q902
KTA1266
R913
2R2(1/2W)
RL901
R903
2R2(1/2W)
R901
22(1W)
UDZ27
D909
R560
R22(1/2W)-R
R557
100(1/2W)-R
R563
8R2(1/2W)-R
R564
8R2(1/2W)-R
1
2
3
5 4
JL552A
Q501
KTC3911-BL
1 2 3 4 5 6
8
7
9
P404B
2
3
1
8
4
NJM4565M
Q404.
OUT
IN
TAPE
CDR
OUT
IN
RI
SUBWOOFER
PRE OUT
OPTICAL
DIGITAL OUT
PHONES
VOLUME
U05
SPEAKER
PC BOARD
U03
FRONT PC BOARD
TO NAETC-6882
SPEAKERS
L
R
TO NADIS-6879
TO NAAR-6875
TO NAAR-6875
TO NAETC-6881
TO NAAR-6875
TO NAAR-6875
R427
!
!
!
!
!
!
TO NAETC-6881
ACOUSTIC
PRESENCE
DT Only
!
P400
P401
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
<Note>
NC=No mount of parts.
RESISTERS
(EX) 2K2 = 2.2 kohms, 5R6 = 5.6 ohms
CAPACITORS
(EX) 100N = 100 nano farad, 100P = 100 pico farad
!
!
SCHEMATIC-DIAGRAMS-2
SCHEMATIC-DIAGRAMS-2
SCHEMATIC-DIAGRAMS-2
U04
AMP PC BOARD
U02
POWER PC BOARD
U01
AUDIO PC BOARD
U06
DIGITAL PC BOARD
SCHEMATIC-DIAGRAMS-2
SCHEMATIC-DIAGRAMS-2
!
+12V
+5V
+13V
-13V
+13V
-13V
A
1
2
3
4
5
B
C
D
E
F
G
H
