Sony CX-JN331 / CX-JPK331 / JAX-N331 Service Manual ▷ View online
53
CX-JN331/JPK331
PANEL BOARD IC601 LC876A96A-55D8-E (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
O-MP3 CS
O
Chip select signal output to the MP3 decoder
2
O-MP3 LP
O
Latch pulse signal output to the MP3 decoder
3
I-MP3 ACK
I
Acknowledge signal input from the MP3 decoder
4
I-MP3 REQ
I
Request signal input from the MP3 decoder
5
I-SCOR
(Q-DATA REQ)
I
Subcode Q data request signal input from the CD DSP
6
O-MP3 RESET
O
Reset signal output to the MP3 decoder "L": reset
7
I-BU1924 DATA
I
RDS serial data input from the FM/AM tuner pack Not used
8
I-BU1924 CLK
I
RDS serial data transfer clock signal input from the FM/AM tuner pack Not used
9
I-VOLUME-IN1
I
Jog dial pulse input terminal (VOLUME)
10
I-VOLUME-IN2
I
Jog dial pulse input terminal (VOLUME)
11
RESET
I
System reset signal input terminal "L": reset
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
12
I-XT1
I
System clock input terminal (32.768 kHz)
13
O-XT2
O
System clock output terminal (32.768 kHz)
14
VSS1
-
Ground terminal
15
CF1
I
System clock input terminal (10 MHz)
16
CF2
O
System clock output terminal (10 MHz)
17
VDD1
-
Power supply terminal (+3.3V)
18
I-PROTECT
I
Protect signal input from the amplifier circuit
19
WFR/HP/MIC-IN
I
Headphone/microphone detection signal input from the electrical volume
20
I-CD ENCODER
I
Disc tray address detection signal input terminal
21
I-CD
OPEN/CLOSE
I
Disc tray open/close detection signal input terminal
22
I-TAPE A STAT
I
Deck-A cassette detection signal, deck-A mode detection signal and recording (reverse direction)
detection signal input terminal (A/D input)
detection signal input terminal (A/D input)
23
I-TAPE B STAT
I
Deck-B cassette detection signal, deck-B mode detection signal and recording (forward direction)
detection signal input terminal (A/D input)
detection signal input terminal (A/D input)
24
I-STREAM/VACS
I
VACS/stream signal input terminal (A/D input)
25 to 27
I-KEY3 to I-KEY1
I
Front panel key input terminal (A/D input)
28
I-SIRCS IN
I
Remote control signal input terminal
29
I-AC CUT
I
AC detection signal input terminal "L": AC off
30 to 42
G13 to G1
O
Grid drive signal output to the fluorescent indicator tube
43 to 45
S1 to S3
O
Segment drive signal output to the fluorescent indicator tube
46
VDD3
-
Power supply terminal (+3.3V)
47 to 50
S4 to S7
O
Segment drive signal output to the fluorescent indicator tube
51
-VPP
-
Power supply terminal (-27V)
52 to 65
S8 to S21
O
Segment drive signal output to the fluorescent indicator tube
66
I-SPEC/
MODEL/METER
I
Destination setting signal, model setting signal and VACS/stream gain control signal input
terminal
terminal
67
I-TUNED-IN
I
Tuning detection signal input from the FM/AM tuner pack "L": tuned
68
I-STEREO-IN
I
FM stereo detection signal input from the FM/AM tuner pack "L": stereo
69
I-AMS-IN
I
Auto music sensor detection signal input from the electrical volume
"L": music is present, "H": music is not present
"L": music is present, "H": music is not present
70
I-REEL-A-IN
I
Deck-A tape reel rotating detection signal input terminal
71
I-REEL-B-IN
I
Deck-B tape reel rotating detection signal input terminal
54
CX-JN331/JPK331
Pin No.
Pin Name
I/O
Description
72
VDD4
-
Power supply terminal (+3.3V)
73
I-CD NUM
SENSOR
I
CD table address detection signal input terminal
74
O-POWER RELAY
O
Power on/off control signal output terminal "H": power on
75
O-SYSTEM-MUTE
O
System muting on/off control signal output terminal "H": muting on
76
O-POWER LED
O
LED drive signal output of the I/1 (power) indicator "H": LED on
77
O-I-BASS LED
O
LED drive signal output of the i-BASS indicator "H": LED on
78 to 80
NONE
O
Not used
81
I-MULTI-JOG IN1
I
Jog dial pulse input terminal (MULTI JOG)
82
I-MULTI-JOG IN2
I
Jog dial pulse input terminal (MULTI JOG)
83
I-LC72121 DI
I
Serial data input from the FM/AM tuner pack
84
O-LC72121 CE
O
Chip enable signal output to the FM/AM tuner pack
85
O-LC72121/
BU2099FV DO
O
Serial data output to the FM/AM tuner pack and motor/plunger drive
86
O-LC72121/
BU2099FV CLK
O
Serial data transfer clock signal output to the FM/AM tuner pack, loading/table motor driver and
motor/plunger driver
motor/plunger driver
87
O-BU2099FV LCH
O
Latch pulse signal output to the loading/table motor driver and motor/plunger driver
88
O-BU3401 CLK
O
Serial data transfer clock signal output to the electrical volume
89
VSS2
-
Ground terminal
90
VDD2
-
Power supply terminal (+3.3V)
91
O-BU3401 DATA
O
Serial data output to the electrical volume
92
O-XTCN
O
Oscillator control signal output to the CD DSP and motor/coil driver
93
O-X-RES (RESET)
O
Reset signal output to the CD DSP and motor/coil driver "L": reset
94
O-XLT (CD-LAT)
O
Latch pulse signal output to the CD DSP
95
O-CD-DATA
O
Serial data output to the CD DSP
96
I-SENS
I
Serial data input from the CD DSP
97
O-CD-CLK
O
Serial data transfer clock signal output to the CD DSP
98
O-MP3-DO
O
Serial data output to the MP3 decoder
99
I-MP3-DI
I
Serial data input from the MP3 decoder
100
O-MP3-CLK
O
Serial data transfer clock signal output to the MP3 decoder
55
CX-JN331/JPK331
PANEL BOARD IC602 BU2099FV (MOTOR/PLUNGER DRIVER)
PLUNGER DRIVER
Pin No.
Pin Name
I/O
Description
1
VSS
-
Ground terminal
2
NC
-
Not used
3
DATA
I
Serial data input from the system controller
4
CLOCK
I
Serial data transfer clock signal input from the system controller
5
LCH
I
Latch pulse signal input from the system controller
6
SOL-A
O
Deck-A side trigger plunger drive signal output terminal
7
SOL-B
O
Deck-B side trigger plunger drive signal output terminal
8
MOTOR
O
Capstan/reel motor drive signal output terminal
9, 10
NC
-
Not used
11
MP3-STB
O
Standby signal output to the MP3 decoder
12 to 17
NC
-
Not used
18
SO
O
Serial data output to the loading/table motor driver
19
OE
-
Not used
20
VDD
-
Power supply terminal (+3.3V)
56
CX-JN331/JPK331
SECTION 8
EXPLODED VIEWS
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
4-245-158-01 EMBLEM
2
4-252-696-61 PANEL, TRAY
3
3-363-099-32 SCREW (CASE 3 TP2)
4
4-245-183-92 CASE (SIDE-L)
5
4-244-849-91 CASE (TOP)
6
4-245-184-92 CASE (SIDE-R)
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference
number in the exploded views are not supplied.
• Accessories are given in the last of the
electrical parts list.
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color
Cabinet's Color
7
1-775-251-11 WIRE (FLAT TYPE) (27 CORE)
8
4-951-620-01 SCREW (2.6X8), +BVTP
9
1-469-854-11 CORE, FERRITE
#2
7-685-647-79 SCREW +BVTP 3X10 TYPE2 IT-3
#3
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
• Abbreviation
E51 : Chilean and Peruvian models
MX : Mexican model
MX : Mexican model
The components identified by mark
0 or dotted line with mark 0 are
critical for safety.
Replace only with part number
specified.
0 or dotted line with mark 0 are
critical for safety.
Replace only with part number
specified.
1
2
3
8
7
9
3
3
4
5
6
tape mechanism
deck section
deck section
#3
#2
#2
#2
#2
#2
#2
#3
CD mechanism
deck section-1
deck section-1
back panel section
not
supplied
supplied
not supplied
(CDMP3 CONNECT
board)
(CDMP3 CONNECT
board)
8-1. CASE SECTION
Click on the first or last page to see other CX-JN331 / CX-JPK331 / JAX-N331 service manuals if exist.