Sony CX-JN1 / JAX-N1 / JAX-PK1 Service Manual ▷ View online
CX-JN1
21
21
6-2.
BLOCK DIAGRAM – TUNER/TAPE/PANEL Section –
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)
MOTOR/PLUNGER DRIVE,
LED DRIVE
IC201
• SIGNAL PATH
: TUNER
: TAPE PLAY (DECK-A)
: TAPE PLAY (DECK-B)
: TAPE 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
2 RDS DO
28 RDS CKL
19 TU-SIG/MIC
3 TU/EVOL DO
4 CLK
5 LCK
SOL A
• R-ch is omitted due to same as L-ch.
F
PB,
REC
(Page 22)
G
DATA, CLK,
S-OUT, LCK
(Page 22)
E
TU
(Page 22)
FM/AM TUNER PACK
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
RDS DATA
RDS-DATA
RDS INT
RDS-CLK
FM-SOUT
RDS-SIG
PLL-CE
TUNED
STEREO
TU-MUTE
DATA
IFC
CLK
DATA
CLK
DATA
S-OUT
LCK
CLK
RDS-DATA
RDS-CLK
RDS-SIG
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
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
LED201
LED901
A-PHOTO
B-SOL
A-SOL
CAPM+
B-PHOTO
A-HALF
B-HALF
A-MODE
B-MODE
REC (FWD)
REC (REV)
11 V-BASS
+3.3V
B+
D620 – 627
B+
B PHOTO/S7
B HALF/S10
REC FWD/S11
REC REV/S8
S6 – S13
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
30-40
S16, 17, 23
S1 – S5, 14, 15,
S18 – 22, 24 –30
58, 59, 65
41-45, 56, 57,
60-64, 66-71, 73
MIC
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
i-BASS
1
STANDBY/ON
(Page 22)
(EXCEPT AEP, UK, CIS)
(AEP, UK)
(AEP, UK)
(EXCEPT CIS)
SYSTEM CONTROLLER
IC901 (2/2)
AM LOOP
FM 75
Ω
(COAXIAL)
Ver 1.1
CX-JN1
22
22
6-3.
BLOCK DIAGRAM – AMP/POWER SUPPLY Section –
J221
VH1, 2 (AC)
R-CH
PHONES
SPEAKER
+
–
–
–
+
R
L
J203
R-CH
R-CH
+VL
–VP
+VP
+VH
OVER LOAD
DETECT
Q129
OUTPUT LEVEL
DETECT
Q235
OVER CURRENT
DETECT
Q281
DC DETECT
Q063, 064
BIAS
Q117, 119
HOLD
Q045, 046
AC DETECT
D067, 068
THERMAL DETECT
Q291, 292
FEED BACK
SWITCH
Q643
+
FINAL DRIVE
Q121, 123
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
MIC
OUTA
6
PB-OUT
18
OUT
VR401
J401
2
DATA
3
CLK
LCK
MUTE
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
R-CH
J602
R
VIDEO/AUX
MIC
MIC MIXING
L
CD
A
MIC
D402
(PAGE 21)
H
TU
E
PB, REC
PB
REC
F
LM-L, LM-R,
TM-L, TM-R
TM-L, TM-R
D
DATA, CLK,
S-OUT, LCK
S-OUT, LCK
G
MUTE, POWER,
HOLD
B
(Page 20)
(Page 21)
(Page 20)
(Page 21)
(Page 21)
(Page 20)
(EXCEPT AEP, UK, CIS)
(EXCEPT AEP, UK, CIS)
(EXCEPT AEP, UK, CIS)
POWER
–30V
REGULATOR
Q041, 043
+9V
REGULATOR
IC001
(AC IN)
POWER TRANSFORMER
(SUB)
PT002 (E, E51, EA, SP, TW)
PT011 (AEP, UK, CIS, KR, AUS)
POWER
TRANSFORMER
(MAIN)
PT002 (AEP, UK, CIS, KR, AUS)
PT004 (E, E51, EA, SP, TW)
RECT
D015 – 018
+VL
TO
POWER AMP
BLOCK
–VL
VSS
RY001
VL1
VL2
VF1
TO
FLUORESCENT
INDICATOR TUBE
VF2
RECT
D009
D009
+9V
REGULATOR
IC002
+4V
REGULATOR
IC003
+VH
–VH
+6.4V (CD)
CD-VM
VDD
VM
D691 – 694
–VFL
V-STBY
VH1
VH2
RECT
D019 – 022
VM1
VM2
RESET SWITCH
Q901
RELAY DRIVE
Q022
VCC
+4V
+3.3V (CD)
B+ SWITCH
Q023, 024
RECT
D091, 092
+4V
REGULATOR
IC501
+3.3V
P-DOWN
RESET
D504
RESET SIGNAL
GENERATOR
IC502
D697
RESET,
P-DOWN
P-DOWN
C
• SIGNAL PATH
: TUNER
: TAPE PLAY (DECK-A)
: TAPE REC
: AUX IN
: MIC
• R-ch is omitted due to same as L-ch.
: CD
(Page 20)
(EXCEPT AEP, UK, CIS)
* Q041 (EXCEPT AEP, UK, CIS)
* D021, 022
(EXCEPT AEP, UK, CIS)
(EXCEPT AEP, UK, CIS)
(AEP, UK, CIS)
110 – 120V
220 – 240V
(E, E51, EA, SP, TW)
AEP, UK, CIS,
KR, AUS
KR, AUS
VOLTAGE SELECTOR
S001
• Abbreviation
AUS : Australian model
E51 : Chilean and Peruvian models
EA
E51 : Chilean and Peruvian models
EA
: Saudi Arabia model
KR : Korean model
SP
SP
: Singapore model
TW : Taiwan model
Ver 1.2
CX-JN1
23
23
6-4.
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.
•
x
: parts mounted on the conductor side.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
• 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.
•
f
: internal component.
•
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 Section –
no mark : CD PLAY
– Other Sections –
no mark : FM
– BD Section –
no mark : 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
L
: AUX IN
N
: MIC INPUT
• Abbreviation
AUS
: Australian model
E51
: Chilean and Peluvian models
EA
: Saudi Arabia model
KR
: Korean model
SP
: Singapore model
TW
: Taiwan model
• Circuit Boards Location
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
CD KEY board
SENSOR board
BD board
MOTOR (TB) board
DRIVER board
MOTOR (LD) board
SW board
KEY board
PT board
HEADPHONE board
PANEL board
MAIN board
TUNER PACK
Ver 1.2
CX-JN1
24
24
6-5.
PRINTED WIRING BOARD – BD Section –
•
See page 23 for Circuit Boards Location.
BD BOARD
40
41
60
61
21
20
1
80
IC721
M
+
−
M701
(SLED)
M
+
−
M702
(SPINDLE)
S701
(LIMIT IN)
IC722
1
2
16
15
1
14
28
15
B
C
E
CN710
A
MAIN
BOARD
CN691
OPTICAL
PICK-UP
BLOCK
(KSM-213DCP)
1-688-816-
(14)
14
TP
(RF)
TP
(VC)
TP (FE)
TP (TE)
1
2
18
19
(SHIELD CASE)
C902
C903
C904
C905
C901
(Page 32)
Ver 1.1
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