Sony CX-JS77 / JAX-S77 Service Manual ▷ View online
CX-JS77
41
41
RY441
R473
R470
R459
D441
D442
R475
C463
R471
Q489
R462
L442
R461
L441
D443
R488
R481
Q487
Q486
C487
D482
R489
R490
Q488
R482
C486
Q485
Q481
C481
Q484
Q483
R486
R485
R466
R465
D481
R460
R457
Q441
R454
C454
C452
C453
R453
C451
R458
R449
R478
Q442
R456
R450
R477
R476
R495
C462
R443
R444
R442
C442
C444
C443
C441
R441
C492
R401
R403
R404
R402
C404
R410
R409
C403
C414
C413
CN442
CN441
EP401
EP402
Q491
R474
R455
R467
R496
C461
R468
JW411
JW409
TH441
R483
R484
JK441
JW401
C402
D401
D402
C405
C409
C410
C406
R487
Q482
R447
JW403
JW404
D446
R448
R469
R412
JW442
C446
C448
C447
R413
R414
R445
R446
EP491
D445
R411
JW441
C445
R472
Q490
IC441(1/2)
IC441(2/2)
R407
D444
22k
33k
100k
1SS133T-72
1SS133T-72
10k
470
6.3V
68k
2SC1841
10
1/2W
10
1/2W
1SS133T
22k
4.7k
2SC2785
2SC2785
4.7
50V
50V
1SS133T
-72
4.7k
4.7k
2SC2785
10k
2.2
50V
50V
2SA1175
2SC2785
100
10V
10V
2SC2785
2SC2785
100k
100k
56k
47k
1SS133T
100k
15k
2SC1841
10
1/2W
0.1
0.1
0.1
10
1/2W
0.1
15k
0.22
5W
10k
2SC1841
1k
0.22
5W
100
15k
1
47
100V
56k
56k
1k
10
50V
1000p
1000p
10
50V
1k
0.01
100k
100k
100k
100k
0.1
100V
100k
100k
0.1
100V
0.1
0.1
5P
13P
2SA1207
2.2k
1k
3.3k
1W
100
47
100V
3.3k
1W
22
56k
4P
0.01
D10XB20
D10XB20
3300
80V
3300
50V
3300
50V
3300
80V
33k
2SC2785
56k
MTZJ-T-72
-18C
56k
33k
2.2k
100p
47
50V
47
50V
10k
10k
1k
1k
MTZJ-T-72-18C
2.2k
100p
33k
2SC1841
STK412-240
STK412-240
100
1/2W
1SS133T
-72
GND
AC-VH
AC-VL
AC-VL
AC-VH
L-OUT
SP-GND
R-OUT
IN-R
AMP-A-GND
IN-L
RELAY B+
PWR GND
STK MUTE
PROTECT
AC-3
GND(AC-3,RELAY)
UNREG.16V
(CHASSIS)
L
R
IMPEDANCE
SPEAKER
(CHASSIS)
Q486,488
PROTECTOR
Q485,487
PROTECT
DETECT
Q481,482
DC DETECT
Q483,484
THERMAL
DETECT
DETECT
OVER LOAD
DETECT
OVER LOAD
(CHASSIS)
POWER AMP
STANDBY
SWITCH
Q490,491
LEVEL SHIFT
E
6-20. SCHEMATIC DIAGRAM – POWER AMP Section –
(Page 34)
(Page 43)
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0
sont
critiques pour la sécurité.
Ne les remplacer que
par une pièce portant le numéro spécifié.
CX-JS77
42
42
PT901
JW928
JW929
JW930
JW931
JW932
JW933
JW934
F909
JW917
F908
CN907
F905
F906
F907
C906
R902
R908
R904
C910
D906
R903
C908
Q902
JW909
W901
CN906
CN905
CN904
F904
C911
C909
C920
C925
C923
C924
C922
C921
C926
D908
JW920
JW921
JW922
JW923
JW911
JW924
JW903
JW906
JW910
CN902
CN901
RY901
JW902
D901
PT902
CN903
D904
D902
D905
D903
TRANS BOARD
1-861-487-
13
(13)
SUB TRANS BOARD
1-861-488-
13
(13)
1
2
3
1
NOT REPLACEABLE:
BUILT IN TRANSFORMER
BUILT IN TRANSFORMER
∗
MAIN POWER
TRANSFORMER
B
E
C
(CHASSIS)
1
1
5
10
MAIN
BOARD
CN303
G
POWER
BOARD
CN442
H
SUB POWER
TRANSFORMER
1
1
3
1
2
2
W001
(AC IN)
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
10
6-21. PRINTED WIRING BOARDS – TRANS Section –
•
See page 25 for Circuit Boards Location.
:Uses unleaded solder.
(Page 40)
(Page 36)
D901
B-9
D902
A-8
D903
A-8
D904
A-8
D905
A-8
D906
C-6
D908
B-4
Q902
B-5
• Semiconductor
Location
Ref. No.
Location
CX-JS77
43
43
CN907
C909
R903
CN902
CN906
C906
D906
C910
C
92
6
C
92
5
C
9
2
4
C
9
2
2
C
9
2
3
C
9
2
1
C
9
2
0
C911
PT902
D902
D904
D903
D905
JW909
JW917
D908
R908
F906
F907
C908
Q902
JW906
F905
10P
10
50V
12k
3P
3P
0.1
MTZJ-T72
-27D
100
50V
50V
0
.1
0.1
0
.1
0
.0
1
0
.0
1
0
.0
1
0
.0
1
1000
25V
10EDB40
10EDB40
10EDB40
10EDB40
10EDB40
1
3.15A
125V
3.15A
125V
220
63V
63V
2SA1932
6.3A
125V
VP
STBY-RELAY
EVER +10V
D-GND
STBY-RELAY
EVER +10V
D-GND
(CHASSIS)
SUB POWER
TRANSFORMER
BUILT IN TRANSFORMER
NOT REPLACEABLE:
∗
AC3
AC3
AC4
AC4
VF2
VF1
-27V REGULATOR
R904
1k
R902
3.3M
1/2W
3.3M
1/2W
JW903
CN904
CN903
NEUTRAL
LIVE
2P
2P
RY901
D
90
1
1
SS
13
3
CN901
W001
2P
(AC IN)
JW910
JW902
CN905
5P
AC-VL
AC-VH
AC-VL
AC-VH
GND
PT901
TRANSFORMER
MAIN POWER
F904
6.3A
125V
F908
8A
125V
F909
8A
125V
6-22. SCHEMATIC DIAGRAM – TRANS Section –
(Page 41)
(Page 35)
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0
sont
critiques pour la sécurité.
Ne les remplacer que
par une pièce portant le numéro spécifié.
CX-JS77
44
44
Approx.
800 mVp-p
800 mVp-p
59 ns
4.5 Vp-p
472 ns
4.5 Vp-p
22.8
µ
s
4.4 Vp-p
•
Waveforms
– MAIN Board –
– PANEL Board –
13
µ
s
38 Vp-p
30.5
µ
s
3.2 Vp-p
1
µ
s
3.2 Vp-p
•
IC Block Diagrams
– CD Board –
IC101
CXD3059AR
SERVO
INTERFACE
32
RFDCO
34
AC_SUM
35
EQ_IN
33
PDSENS
31
AVDD4
91
LMUT
92
NC
93
XTSL
94
IOVSS0
95
XTACN
96
SQSO
97
SQCK
98
SBSO
99
EXCK
1
MIRR
2
DFCT
3
FOK
9
SFDR
10
SRDR
11
TFDR
12
TRDR
13
FFDR
14
FRDR
19
E
20
F
26
A
27
B
28
C
29
D
30
NC
21
TEI
23
FEI
22
TEO
24
FEO
25
VC
5
LOCK
6
MDP
7
SSTP
4
VSS
8
IOVSS1
18
NC
15
IOVDD1
16
AVDD0
17
AVSS0
68 EMPH
66 BCK
67 VDD
71 DOUT
69 EMPHI
70 IOVDD2
64 VSS
63 LRCK
65 PCMD
75 NC
73 TES1
74 IOVSS2
78 XTAI
76 XVSS
79 XVDD
80 AVDD1
77 XTAO
72 TEST
MIRR
DFCT
FOK
TE
FE
SUM
PWM
GENERATOR
SERVO
DSP
A/D
CONVERTER
DC/DC
CONVERTER
ASYNMMETRY
CORRECTOR
SUB CODE
PROCESSOR
ERROR
CORRECTOR
32k
RAM
D/A
INTERFACE
D/A
COVERTER
SELECTOR
DIGITAL OUT
CPU INTERFACE
CLOCK
GENERATOR
SERVO
AUTO
SEQUENCER
LPF
LPF
DIGITAL
CLV
VC
ATT
39
RFC
EQ
41
RFACO
AMP
36
LD
37
PD
42
RFACI
43
AVDD3
44
BIAS
56
DDVRSEN
57
AVSS5
59
NC
54
AVDD5
58
DDCR
60
BCKI
55
DDVROUT
45
ASYI
47
VPCO
48
VCTL
49
AVSS3
46
ASYO
DIGITAL
PLL
EFM
DEMODULATOR
51
FILO
50
CLTV
52
FILI
53
PCO
38
NC
40
AVSS4
APC
112
XPCK
111
XUGF
110
WFCK
109
ATCK
101
SYSM
100
XRST
103
VSS
102
DATA
104
XLAT
106
VDD
107
SENS
105
CLOK
108
SCLK
113
GFS
116
VDD
115
SCOR
114
C2PO
117
C4M
119
COUT
118
WDCK
120
NC
82 VREFL
83 AVSS1
84 AVSS2
81 AOUT1
86 AOUT2
87 AVDD2
88 NC
89 IOVDD0
90 RMUT
85 VREFR
61 PCMDI
62 LRCKI
1V/DIV, 10
µ
s/DIV
1V/DIV, 200ns/DIV
1V/DIV, 20ns/DIV
0.2V/DIV, 0.5
µ
s/DIV
– CD Board –
10V/DIV, 5
µ
s/DIV
1V/DIV, 10
µ
s/DIV
1V/DIV, 0.1
µ
s/DIV
IC101
yd
(LRCK)
2
IC101
yh
(BCK)
3
IC101
uj
(XTAO)
4
IC101
ra
(RFACO)
1
L101
5
(REC Mode)
5
IC601
qd
(I-XT2)
qs
IC601
qh
(CF2)
qa
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