Sony CX-JS7 / JAX-S7 Service Manual ▷ View online
CX-JS7
42
42
R901
JW911
JW912
JW913
JW914
JW915
JW916
JW917
JW918
JW919
JW921
JW923
JW924
JW925
JW926
JW927
JW928
JW931
JW932
JW933
JW934
JW935
PT902
F902
F905
JW902
JW905
JW906
F906
CN902
JW901
CN901
RY902
C902
D906
D904
D902
D905
D903
C901
JW909
PT901
1-688-760-
12
(12)
TRANSFORMER BOARD
(AC IN)
1
2
SUB POWER
TRANSFORMER
POWER
BOARD
CN1
H
1
11
MAIN POWER
TRANSFORMER
∗
∗
NOT REPLACEABLE:
BUILT IN TRANSFORMER
1
2
3
4
5
6
7
6
5
4
3
2
1
17
16
15
14
13
12
11
10
9
8
6-21. PRINTED WIRING BOARD – TRANSFORMER Board –
•
See page 25 for Circuit Boards Location.
:Uses unleaded solder.
(Page 35)
CX-JS7
43
43
6-22. SCHEMATIC DIAGRAM – TRANSFORMER BOARD –
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
D902
D904
D905
D903
CN902
JW909
JW901
JW906
JW905
JW902
C901
D906
CN901
C902
RY902
F905
R901
F906
F902
PT901
PT902
1SS355
1SS355
1SS355
1SS355
11P
0.1
1SS355
2P
470
25V
25V
T10AL
125V
3.3M
1/2W
1/2W
T10AL
125V
T2.5AL
250V
VH(AC)
VH(AC)
GND
VL(AC)
VL(AC)
VM(AC)
VM(AC)
FIL-1
FIL-2
P-ON
EVER+10V
BUILT IN TRANSFORMER
NOT REPLACEABLE:
∗
(AC IN)
SUB POWER TRANSFORMER
MAIN POWER TRANSFORMER
(CHASSIS)
(Page 36)
CX-JS7
44
44
• Waveforms
– BD Board –
– BD Board –
1
IC721
4
(RF) (CD Play Mode)
2
IC721
qd
(TE) (CD Play Mode)
3
IC721
qg
(TE) (CD Play Mode)
4
IC721
rk
(XOUT)
1.3 Vp-p
Approx.
180 mVp-p
180 mVp-p
Applox.
150 mVp-p
150 mVp-p
4 Vp-p
59.1 ns
ws
IC901
qg
(CF1)
qa
Q223 (Base) (REC Mode)
qs
Q223 (Collector) (REC Mode)
– MAIN Board –
wa
IC901
qs
(XT1)
– PANEL Board –
1.7 Vp-p
11.3
µ
s
15.8 Vp-p
11.3
µ
s
2.4 Vp-p
30.5
µ
s
2.6 Vp-p
116 Ns
• IC Block Diagrams
– BD Board –
– BD Board –
IC721
LC78646E-E
60
59
58
57
56
55
54
53
52
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
SLCO
SLCIST
EFMIN
RF
FDO
SPDO
SLDO
GPDAC
FDO
SPDO
SLDO
GPDAC
CONT4
CONT5
SBCK/CONT6
SBCK/FG
DEFECT
CONT4
CONT5
SBCK/CONT6
SBCK/FG
DEFECT
V/P
V/P
FSEQ
MONI1
MONI2
MONI3
MONI4
MONI5
V/P
FSEQ
MONI1
MONI2
MONI3
MONI4
MONI5
VSS
VDD(3.3V)
69 68 67 66
65 64 63 62 61
VSS
VDD5
DRF
RES
WRQ
DO
DI
CL
CE
79
78 77 76 75 74 73 72 71
LDS
80
LDD
FR
VVDD
PCKIST
VVSS
PDO2
PDO1
CONT1
CONT2
70
CONT3
WRQ
DO
DI
CL
CE
CE
FR
VVDD
PCKIST
VVSS
SBCK/FG
PDO2
PDO1
CONT1-3
SBCK/CONT6
CONT4,5
CONT4,5
DRF
WRQ
DO
DI
CL
CE
LDS
LDD
LDS
LDD
FR
VVDD
PCKIST
VVSS
PDO2
PDO1
CONT1
CONT2
CONT3
RFVDD
RFVSS
FIN1
FIN2
TIN1
TIN2
VREF
FIN1
FIN2
TIN1
TIN2
REFI
REFI
DEFECT
FE
TEC
TE
RFMON
JITTC
ADAVDD
ADAVSS
TDO
SLCO
SLCIST
EFMIN
RF
FIN1
FIN2
TIN1
TIN2
VREF
REFI
FE
TEC
TE
RFMON
JITTC
JITTC
ADAVDD
ADAVSS
ADAVDD
ADAVSS
TDO
DATA
DATACK
LRSY
ASDFIN
ASDACK
ASLRCK
DATA
DATACK
LRSY
RVDD
RVSS
RCHO
LCHO
LVSS
LVDD
ASDFIN
ASDACK
ASLRCK
16MOUT
EFLG
C2F
FSX/16MIN
EFLG
C2F
FSX/16MIN
XVSS
XIN
XOUT
XVDD
16MOUT
XVSS
XIN
XOUT
XVDD
XVSS
XIN
XOUT
XVDD
RVDD
RCHO
RVSS
LVSS
LCHO
LVDD
DATA
DATACK
LRSY
ASDFIN
ASDACK
ASLRCK
16MOUT
EFLG
C2F
FSX/16MIN
XVSS
XIN
XOUT
XVDD
RVDD
RCHO
RVSS
LVSS
LCHO
LVDD
39 40
DOUT
TEST
51
50
49
48
47
46
45
44
43
42
41
+
–
MIX
PH
BH
MONI
CONT
CONT
AGC
+
–
+
–
+
–
+
–
+
–
+
–
LPF
TBAL
TBAL
RAM
TDO
TRACK JUMP
SW
D/A
APC
SUBCODE DECODE CRC
GENERAL PURPOSE
PORTS
8FS
DIGITAL FILTER
1BIT DAC
LPF
ERROR
CORRECTION
AUDIO CD
MONITOR SIGNAL SELECTOR
EXTERNAL
AUDIO IN
AUTO ADJUST
FRAME SYNC
DETECT,PROTECT,INSERT,
EFM DECODE
A/D
CLOCK
GENERATOR
COMMAND
INTERFACE
INTERFACE
SERVO PROCESSOR
LEVEL SET
+
–
S/H
SW
DRF
DRF
ATTENUATION
DEEMPHASIS
INTERPOLATION
MUTE
RUPTURE DEFECT
SLICE LEVEL
CONTROL
CLV,CAV
CONTROL
SERIAL
OUT
AUDIO OUT
RAM
JITTER
DETECT
PLL
VCEC
FE
TE
TEC
RF
RFMON
VREF
SPDO
SLDO
GPDAC
FSEQ
MONI1-5
FDO
LPF
LPF
EQ
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