Sony CX-JV1 / JAX-V1 Service Manual ▷ View online
CX-JV1
22
22
6-2.
BLOCK DIAGRAM – AUDIO/VIDEO Section –
RESET SIGNAL
GENERATOR
Q802
PROGRAM ROM
IC803
VIDEO CD MPEG PROCESSOR
IC801
96
97
98
TDMDP
DATA
BCK
LRCK
DATA, BCK, LRCK
TDMCLK
TDMFS
MA0 – MA8
DBUS0 – DBUS15
DBAS0 – DBAS15
DBAS0 –
DBAS15
DA0 – DA8
DA0 – DA8
65
16 15
31
30
3 2 99
29
A
(Page 21)
13 – 28
4 – 12
LA0 – LA17
LA0 – LA17
68 – 87
18 – 21, 24 – 28
LA0 – LA17
LD0 – LD7
DQ0 – DQ7
A0 – A17
DQ0 – DQ15
ADDRESS BUS
DATA BUS
DATA BUS
D-RAM
IC804
A0 – A8
13 – 15, 17 – 21
WE
29
OE
22
CE
24
OE
RAS
CASL
CASH
CAS
RAS
DWE
LSC3
45
48
46
AUX3
CLK
GFS
FOK
CLK, GFS, FOK
AUX0
AUX1
AUX1
B
(Page 21)
LD0 – LD7
LD0 – LD7
55 – 62
DSCD0 – DSCD7
LD0 – LD7
RESET
MPEG VIDEO/AUDIO DECODER
IC802 (2/2)
40
AUX15
71
XOUT
X801
27MHz
74
XIN
92
DOE
64
LOE
12 – 5, 27, 26, 23, 25,
4, 28, 29, 32, 30
2 – 5, 7 – 10,
35 – 38, 40 – 43
32 – 39
98, 96, 94, 92,
89 – 86
24 RSTOUT
VSYNC
49
AUX4
35 AUX11
43
PCLK2X
80 PCK2
44
PCLK
79 PCK
95
ARFS
23 PWS/SPLL1
94
ARCLK
37 PBCK/SER IN
93
AIN
33 RSD/SPLL0
42
CPUCLK
12 DCLK
40
VSYNC
84
HSYNC
41
HSYNC
82
53
AUX5
10 DSC-S
91
ATPS/SELPLL1
19 TWS
90
ATCLK
22 TBCK
88
ACLK
17 MCLK
89
AOUT/SELPLL0
54
AUX7
21 TSD
66
6 DSC-C
LCS1
8, 99, 97, 95,
93, 85, 83, 81
DATAI
ACK
STB
D
(Page 23)
DATAI, DATAO, ACK, STB
E
(Page 24)
CD
47
AUX2
52
AUX6
64
VDAC
7
AUX00
9
AUX01
DATAO
J901
VIDEO OUT
VIDEO AMP
Q901
13
RST
48
AOL+
47
AOL–
46
AOR+
45
AOR–
MIX AMP
IC701
PAL
AUTO
NTSC
S801
(SYSTEM SELECT)
R-CH
R-CH
• SIGNAL PATH
: CD PLAY (AUDIO)
: CD PLAY (VIDEO)
• R-ch is omitted due to same as L-ch.
+5V (VCD)
YUV0 – YUV7
YUV0 – YUV7
CX-JV1
23
23
6-3.
BLOCK DIAGRAM – TUNER/TAPE/PANEL Section –
MOTOR/PLUNGER DRIVE,
LED DRIVE
IC201
LED201
11 V-BASS
i-BASS
8
CAPSTAN/REEL
MOTOR DRIVE
Q601, 604
9
PLUNGER DRIVE
(DECK-A)
Q602, 605
M
M
TAPE MECHANISM
DECK BLOCK
(CAPSTAN/REEL)
(DECK-A)
(DECK-B)
• SIGNAL PATH
: TUNER (FM/AM)
: TAPE PLAY (DECK-A)
: TAPE PLAY (DECK-B)
: REC
O-MOTOR
PB2
18
6
O-BIAS 7
SO
3 DATA
96 TU DI
88 CLK
9 TU CE
75 TUNED
76 STEREO
85 TU MUTE
19 TU-SIG/MIC
3 TU/EVOL DO
4 CLK
5 LCK
SOL A
• R-ch is omitted due to same as L-ch.
J
PB,
REC
K
DATA, CLK,
S-OUT, LCK
F
TU
(Page 24)
TUNER (FM/AM)
AM LOOP
FM ANT
AM ANT
L-CH
R-CH
CE
PLL-CE
R-CH
TUNED
TUNED
STEREO
STEREO
MUTE
TU-MUTE
DO
DATA
DI
IFC
CL
CLK
PLL-CE
TUNED
STEREO
TU-MUTE
DATA
IFC
CLK
DATA
CLK
DATA
S-OUT
LCK
CLK
91 VF ON
BIAS OSC
L311
REC BIAS
SWITCH
Q311, 312
B+
(CD-VM)
BIAS OSC
Q310
MUTING
Q305
PB SWITCH
Q301
ERASE
HRPE1
(REC/PB/ERASE)
(DECK-B)
HP1
(PB)
(DECK-A)
L-CH
R-CH
R-CH
R-CH
Q601
REC
PB
L-CH
R-CH
R-CH
28 DATA (EHCO)
2 LATCH (EHCO)
29 RMC
REMOTE CONTROL
RECEIVER
IC801
S301 – 323
(FRONT PANEL KEY)
78 VOL B
77 VOL A
ROTARY
ENCODER
S801
PB SWITCH
Q303
B+ SWITCH
Q607
FL902
FLUORESCENT
INDICATOR TUBE
MUTING
Q307, 309
10
PLUNGER DRIVE
(DECK-B)
Q603, 606
SOL B
LED901
A-PHOTO
B-SOL
A-SOL
CAPM+
B-PHOTO
A-HALF
B-HALF
A-MODE
B-MODE
REC (FWD)
REC (REV)
+3.3V
B+
D620 – 627
B+
B PHOTO/S7
B HALF/S10
REC FWD/S11
REC REV/S8
S14 – S25
S6 – S13
S1 – S5,
S26 – S30
G1 – G11
47
48
54
52
53
49
A PHOTO/S6
92
KEYSCAN
A HALF/S12
S7
S10
S11
S8
S6
S12
B MODE/S9
55
50
A MODE/S13
S9
S13
S7
S10
S11
S8
S6
S12
S9
S13
93
POWER LED
8
LCK
56-67
30-40
41-45,
68-71,73
MIC, VF ON
VF ON
MIC
DATA
CLK
LATCH
H
VOLUME
82 TRE B
81 TRE A
ROTARY
ENCODER
S803
TREBLE
84 BASS B
83 BASS A
ROTARY
ENCODER
S802
BASS
80 JOG B
KEY1 –
KEY3
79 JOG A
ROTARY
ENCODER
S804
MULTI JOG
26 – 24
X901
32.768kHz
13
12
XT2
XT1
16
15
X902
8.64MHz
CF2
CF1
1
STANDBY/ON
DATA, CLK, LATCH
G
5 CD DATAO
100 CD STB
DATAO
ACK
STB
DATAI, DATAO, ACK, STB
97 CD DATAI
95 CD ACK
DATAI
D
SYSTEM CONTROLLER
IC901 (2/2)
FM 75
Ω
(COAXIAL)
11
RESET
1
SYS-MUTE
94
POWER
27
HOLD
MUTE
POWER
HOLD
MUTE, CD ON,
POWER, HOLD
L
18
POWER DOWN
P-DOWN
RESET
RESET,
P-DOWN
M
6
CD ON
CD ON
(Page 24)
(Page 24)
(Page 24)
(Page 24)
(Page 22)
(Page 24)
(Page 24)
CX-JV1
24
24
6-4.
BLOCK DIAGRAM – AMP/POWER SUPPLY Section –
VH1, 2 (AC)
R-CH
R-CH
+VL
–VP
+VP
+VH
OVER LOAD
DETECT
Q129
OUTPUT LEVEL
DETECT
Q235
DC DETECT
Q063, 064
BIAS
Q117, 119
HOLD
Q045, 046
AC DETECT
D067, 068
THERMAL DETECT
Q291, 292
FEED BACK
SWITCH
Q643
+
FINAL DRIVE
Q125, 127
SWITCHING
Q232
SWITCHING
Q231
PROTECT
Q047
VH1, 2 (AC)
+
R-CH
R-CH
+
+
HOLD
Q282
+
TH101, 102
+
+
R-CH
R-CH
CASCADE
Q109, 111
PRE DRIVE
Q101, 103
MIC AMP
IC401 (1/2)
MIC AMP
IC401 (2/2)
MUTING
Q181
DBFB CONTROL
Q641
+
MUTING
CONTROL
Q183
CURRENT
MIRROR
Q105, 107
BOOST
CONTROL
Q674 – 677
FREQUENCY
CONTROL
Q671 – 673
R-CH
+VL
+VH
OUTPUT LEVEL
DETECT
Q233, 234
1
13
6
16
BASS BOOST ENHANCER
IC671
INPUT SELECT,
ELECTRICAL VOLUME
IC601
BBE CONTROL,
LOADING/TABLE
MOTOR DRIVE
IC672
BOOST1 –
BOOST4
FREQ1 –
FREQ3
INA
GIN
14
VREF
7
BBE
BBE
17
BASS
OUTA
6
PB-OUT
18
OUT
VR401
J401
2
DATA
3
CLK
LCK
MUTE
POWER
POWER
HOLD
CLK
S-OUT
DATA
4
LCK
13
CONT
8 – 11
5 – 7
14 LM-L
LM-L
15 LM-R
LM-R
12 TM-L
TM-L
13 TM-R
21 B-IN
19 A-IN
23 C-IN
2 PB1P
28 REC1O
7 VOL-IN
TM-R
MIC LEVEL
AGC
Q401
–32V
REGULATOR
Q041, 043
+9V
REGULATOR
IC001
(AC IN)
POWER TRANSFORMER
(SUB)
PT002 (Except Thai)
PT011 (Thai)
POWER TRANSFORMER
(MAIN)
PT002 (Thai)
PT004 (Except Thai)
RECT
D010
D010
+VL
TO
POWER AMP
BLOCK
–VL
VSS
RY001
VL1
VL2
110 – 120V
220 – 240V
VF1
TO
FLUORESCENT
INDICATOR TUBE
VF2
RECT
D009
D009
+9V
REGULATOR
IC002
+4V
REGULATOR
IC003
+VH
–VH
CD-VM
VDD
VM
–VFL
V-STBY
VH1
VH2
RECT
D019 – 022
VM1
VM2
RESET SWITCH
Q901
CD ON
RELAY DRIVE
Q022
VCC
+4V
+3.3V (CD)
B+ SWITCH
Q023, 024
RECT
D694
+4V
REGULATOR
IC501
+3.3V
P-DOWN
RESET
D504
RESET SIGNAL
GENERATOR
IC502
D697
R-CH
MIC
MIC MIXING
CD
E
DATA, CLK, LATCH
D402
(Page 23)
G
TU
F
PB, REC
PB
REC
J
LM-L, LM-R,
TM-L, TM-R
TM-L, TM-R
C
DATA, CLK,
S-OUT, LCK
S-OUT, LCK
K
RESET,
P-DOWN
P-DOWN
M
MIC, VF ON
(Page 23)
H
MUTE, CD ON,
POWER, HOLD
L
• SIGNAL PATH
: TUNER (FM/AM)
: TAPE PLAY
: REC
• R-ch is omitted due to same as L-ch.
: CD PLAY
(Page 23)
(Page 23)
(Page 23)
(Page 21)
(Page 23)
(Page 23)
(Page 22)
J603 (1/2)
R
VIDEO/AUX
L
(Except Thai)
(Thai)
VOLTAGE SELECTOR
S001
D002, 003 (Except Thai)
D091, 092 (Thai)
: VIDEO/AUX IN
: MIC INPUT
: REC OUT
32
C-IN
31
MIC-IN
23 MIC-OUT
27 C-OUT
DIGITAL ECHO
IC402
5
DATA
3
CLK
4
LATCH
DATA
LATCH
CLK
LEVEL SHIFT
Q406, 407
LEVEL SHIFT
Q402, 403
LEVEL SHIFT
Q404, 405
BUFFER
IC711
10
14
13
12
VOCAL FADER ON/OFF SWITCH
IC712
VF ON
R-CH
MUTING
Q743
OVER CURRENT
DETECT
Q281
MUTING
CONTROL
Q184 – 186
D181
VL (AC)
REC AMP
Q741
R-CH
J603 (2/2)
R
REC OUT
L
+7V
(CD)
+5V (VCD)
+7V
REGULATOR
Q601, 602
+5V
REGULATOR
Q605, 606
+3.3V (VCD)
+3.3V
REGULATOR
Q801
CD ON
SWITCH
Q603, 604
+
J221
PHONES
SPEAKER
+
–
–
–
+
R
L
J203
5
R-CH
MIC
VM
MUTING
CONTROL
Q746
B+ SWITCH
Q001
CX-JV1
25
25
6-5.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Printed Wiring Board:
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
– BD/CHANGER Section –
no mark : CD PLAY
– VMP Section –
no mark : VIDEO CD PLAY
– Other Sections –
no mark : FM
– BD/CHANGER Section –
no mark : CD PLAY
– VMP Section –
no mark : VIDEO CD PLAY
– Other Sections –
no mark : FM
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER (FM/AM)
E
: TAPE PLAY (DECK-A)
d
: TAPE PLAY (DECK-B)
G
: REC
J
: CD PLAY (AUDIO)
L
: CD PLAY (VIDEO)
j
: VIDEO/AUX IN
k
: REC OUT
N
: MIC INPUT
• Abbreviation
EA
: Saudi Arabia model
MY
: Malaysia model
SP
: Singapore model
TH
: Thai model
• Circuit Boards Location
CD KEY board
SENSOR board
BD board
MOTOR (TB) board
DRIVER board
TR board
MOTOR (LD) board
SW board
VMP50 board
KEY board
PT board
HEADPHONE board
PANEL board
MAIN board
VF board
TUNER (FM/AM)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side) the parts face are indicated.
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
B
These are omitted.
C
E
Q
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