Sony CX-JN331 / CX-JPK331 / JAX-N331 Service Manual ▷ View online
CX-JN331/JPK331
41
41
CX-JN331/JPK331
7-17. SCHEMATIC DIAGRAM – PANEL Section (2/2) –
(Page 40)
R712
R710
R711
R713
C618
C617
R701
R703
R704
R702
C651
C650
IC610
C619
R715
R714
R601
R602
R603
R605
R606
R608
R607
R604
R613
R611
R609
R790
R610
R797
R612
R614
R615
R617
R619
R620
R618
R799
R616
R798
R626
R624
R623
R625
R621
R622
R676
R675
R674
R664
R665
R666
R667
R668
R669
R670
R671
R672
R673
S650
S649
S648
S647
S646
S645
S644
S643
S642
S641
S621
S622
S623
S624
S625
S626
S627
S628
S629
S630
S609
S608
S607
S606
S605
S604
S603
S602
S601
R653
R654
R655
R656
R657
R658
R659
R660
R661
R662
R651
R650
R649
R648
R647
R646
R645
R644
R643
R642
CN602
JR628
JR627
JR626
JR621
D616
D615
S660
S661
S610
Q601
Q602
Q603
CN807
Q802
CN801
C812
C814
C813
C816
C815
C817
C818
C830
C829
CN802
W803
IC801(2/2)
IC801(1/2)
Q801
VR801
C811
C824
C822
C825
C823
C820
C821
C819
C862
R807
R821
R810
R808
R809
R811
R815
R813
R812
R814
R816
R818
R817
R830
R831
R801
J802
C805
10
10k
10k
10
1000p
1000p
10k
10k
10
10
1000p
1000p
RPM7240-H4
47
35V
47
100
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
47k
47k
22k
22k
22k
1k
10k
1k
10k
22k
22k
22k
22k
22k
10k
1k
10k
1k
1k
1k
10k
10k
10k
1k
15k
15k
15k
470
680
1k
1.5k
1.5k
2.2k
3.3k
4.7k
6.8k
10k
470
680
1k
1.5k
1.5k
2.2k
3.3k
4.7k
6.8k
10k
10k
6.8k
4.7k
3.3k
2.2k
1.5k
1.5k
1k
680
470
13P
0
0
0
0
1SS355
1SS355
KTA1273
KTA1271
KTA1271
4P
2SC3052
F
5P
0.1
50V
50V
10
50V
10
50V
2.2
50V
50V
2.2
50V
50V
100
10V
10V
100
10V
10V
10
50V
10
50V
5P
NJM4565M-TE2
NJM4565M-TE2
2SC3052
F
50KA
0.015
0.001
470p
220p
0.001
47p
0.1
100p
0.015
10k
10k
22k
100k
1k
100
10k
100
100k
220k
10k
12k
1k
100k
100k
1k
0.33
F1
F2
F3
F4
F5
F6
F7
F8
T1
T2
T3
V
1
V
2
D1
D2
M
1
M
2
D3
D4
K1
K2
K3
D-GND
REC(REW)
B-SOL
B-MODE
B-HALF
B-PHOTO
REC(FWD)
CAPM+
A-HALF
A-PHOTO
A-SOL
A-MODE
M-GND
(2/2)
VOLUME
THE ASSEMBLED
BLOCK
SUPPLIED WITH
TAPE MECHANISM
DECK BLOCK
CAPSTAN/REEL
MOTOR DRIVE
PLUNGER
DRIVE
(DECK-B)
PLUNGER
DRIVE
(DECK-A)
REMOTE CONTROL
RECEIVER
AMS/
TUNING
DISPLAY
ENTER
DISC 1
DISC 3
DISC 2
DISC SKIP
EX-CHANGE
SURROUND
PLAY MODE/
TUNING MODE
CD
TUNER/
BAND
TAPE A/B
VIDEO(MD)
P FILE
+
-
TREBLE
+
-
MIDDLE
+
-
BASS
PRESET EQ
i-BASS
CD SYNC
REC PAUSE/
START
ALBUM -
ALBUM +
(JPK331)
(JN331)
MIC GND
MIC SIG
MIC OUT
MIC IN
MIC GND
MIC 9V
MIC CTL
MIC CTL
MIC 9V
MIC GND
MIC IN
MIC CTL
MIC 9V
MIC OUT
MIC
(CHASSIS)
MIC AMP
MUTING
MIC AGC
5
6
7
4
1
8
3
2
LEVEL
MIC
(JPK331:E51)
(Page 34)
CX-JN331/JPK331
42
42
CX-JN331/JPK331
7-18. PRINTED WIRING BOARD – POWER AMP Section –
•
See page 27 for Circuit Boards Location.
: Uses unleaded solder.
JW400
JW408
JW409
JW
410
JW412
JW414
JW413
JW
415
JW416
JW418
JW419
JW420
JW421
JW422
JW423
JW430
JW431
JW
433
JW
434
JW435
JW
436
JW
437
JW
438
JW439
JW
440
JW
443
JW
444
JW446
JW447
JW449
JW
451
JW452
JW453
JW454
JW455
JW456
JW457
JW458
JW459
JW460
JW
463
JW
445
JW432
JW461
JW462
JW
469
JW
470
JW
471
JW411
JW417
JW
465
JW
464
JW
450
JW468
JW
467
JW
466
JW424
JW425
JW426
JW427
JW429
JW428
JW473
JW474
JW472
JK441
C441
R414
Q488
R413
JW
407
CN442
C446
C454
C453
C452
C451
C481
Q482
Q481
R465
JW404
R485
R484
R483
Q484
Q483
R486
R488
D401
C487
D482
R490
R455
C406
R466
R481
R447
C492
C408
Q487
Q486
JW
402
R495
C489
R496
R489
C402
C407
JW
401
C411
EP491
Q485
R411
D481
R460
R459
Q442
Q441
D442
D441
R458
R457
R412
R456
EP402
C488
R494
R493
R492
D483
Q489
R467
R491
R482
C448
C447
C444
C443
C442
R454
R453
R452
R451
C486
R448
R446
R445
R444
R443
R442
JW
403
R407
R402
R401
C405
JW441
C445
D443
R487
C403
R441
R462
R461
L442
L441
RY441
TH441
JW442
C404
CN441
IC441
EP401
E
E
E
E
E
E
E
E
E
E
E
1-861-499-
15
(15)
POWER BOARD
(CHASSIS)
(CHASSIS)
MAIN
BOARD
CN307
E
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
TRANS BOARD
CN905
H
–
+
–
+
R
L
SPEAKER
IMPEDANCE
USE 6 – 16
Ω
1
13
1
3
(CHASSIS)
•
Semiconductor
Location
Location
Ref. No. Location
D401
E-3
D441
C-6
D442
C-6
D443
C-1
D481
C-5
D482
C-4
D483
C-8
IC441
B-6
Q441
C-6
Q442
C-6
Q481
C-8
Q482
C-8
Q483
C-8
Q484
C-8
Q485
B-4
Q486
B-4
Q487
B-4
Q488
C-5
Q489
C-8
(Page 38)
(Page 44)
CX-JN331/JPK331
43
43
CX-JN331/JPK331
C403
R441
C441
R467
R491
D483
R492
R493
R494
C488
Q489
C447
C448
C444
R446
R495
R442
C489
C492
R445
C443
C451
C453
R459
R453
R460
R458
R457
C442
R496
Q484
Q483
R485
Q481
Q482
C481
R466
R482
C486
R481
R489
Q487
R487
Q485
R488
C487
Q486
C407
C408
C402
C404
C411
EP401
CN442
R407
L441
1.7
µ
H
1.7
µ
H
R461
R462
L442
RY441
R486
R402
CN441
EP402
EP491
R454
C454
R456
C452
R465
R455
JW407
JW
401
J
W
4
02
C406
C405
D443
R484
R483
D482
Q488
TH441
JW403
R451
R447
JW404
R452
D481
D442
D441
R444
R443
R411
JW441
C445
R413
R412
R414
C446
JW442
IC441(1/2)
IC441(2/2)
R448
Q442
Q441
R490
JK441
R401
D401
0.1
100V
1k
10
50V
33k
22k
1SS133T-72
1k
33k
2.2k
22
35V
2SC1841
22
35V
22
35V
1000p
1k
1
1k
100
100V
0.01
1k
1000p
0.1
0.1
47k
10
1/2W
47k
22k
22k
10
50V
100
2SC2785
2SC2785
100k
2SC2785
2SC2785
100
10V
10V
56k
10k
2.2
50V
50V
4.7k
4.7k
2SC2785
33k
2SA1175
22k
4.7
50V
50V
2SC2785
0.01
0.01
0.01
0.1
100V
0.01
3P
100
1/2W
10 1/2W
10 1/2W
100k
100k
13P
10
1/2W
0.1
1k
0.1
47k
1k
2200
50V
2200
50V
1SS133
56k
22
1SS133
2SC2785
0.22
2W
33k
0.22
2W
1SS133
1SS133
1SS133
33k
33k
2.2k
100p
4.7k
2.2k
4.7k
100p
STK403-090
STK403-090
33k
2SC1841
2SC1841
4.7k
4P
100k
D10XB20
AC-1
AC-1
GND
NC
L-OUT
SP-GND
R-OUT
AMP-A-GND
RELAY B+
PWR GND
STK MUTE
PROTECT
AC-3
GND(AC-3,RELAY)
UNREG.16V
IN-R
IN-L
(CHASSIS)
(CHASSIS)
POWER AMP
SWITCH
STANDBY
OVER LOAD
DETECT
OVER LOAD
DETECT
DC DETECT
Q481,482
Q483,484
THERMAL
DETECT
DETECT
PROTECT
PROTECTOR
Q485,487
Q486,488
L
R
IMPEDANCE
SPEAKER
USE 6
−
16
Ω
7-19. SCHEMATIC DIAGRAM – POWER AMP Section –
(Page 45)
(Page 36)
CX-JN331/JPK331
44
44
CX-JN331/JPK331
JW900
PT901
JW926
JW929
JW930
C911
JW912
D908
CN905
CN904
CN906
JW909
Q902
C910
R904
D906
R903
C909
C908
R908
C906
JW917
F904
CN907
F905
F906
F907
C923
C926
C922
C925
C924
C921
C920
JW918
JW923
JW921
JW922
JW920
JW924
JW905
CN903
D902
S901
JW901
JW904
D904
JW902
D903
D905
PT902
CN901
JW910
D901
RY901
CN902
JW925
1-861-500-
15
(15)
TRANS BOARD
1
4
(JPK331: E51)
POWER
BOARD
CN442
H
MAIN
BOARD
CN303
G
SUB TRANS BOARD
1-861-501-
15
(15)
(JPK331: E51)
(JN331/JPK331: MX)
(JN331/JPK331: MX)
(JN331/JPK331: MX)
(JPK331: E51)
1
4
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
10
3
1
NOT REPLACEABLE:
BUILT IN TRANSFORMER
BUILT IN TRANSFORMER
∗
MAIN POWER
TRANSFORMER
B
E
C
1
3
1
10
(CHASSIS)
SUB POWER
TRANSFORMER
3
1
1
2
W001
(AC IN)
220V
220V
230 – 240V
230 – 240V
120V
120V
VOLTAGE SELECTOR
7-20. PRINTED WIRING BOARDS – TRANS Section –
•
See page 27 for Circuit Boards Location.
: Uses unleaded solder.
(Page 42)
(Page 38)
•
Semiconductor
Location
Location
Ref. No. Location
D901
B-9
D902
A-8
D903
A-8
D904
A-8
D905
A-8
D906
B-5
D908
B-4
Q902
C-5
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