DOWNLOAD Sony CX-JT7 / JAX-PK7 / JAX-T7 Service Manual ↓ Size: 9.47 MB | Pages: 90 in PDF or view online for FREE

Model
CX-JT7 JAX-PK7 JAX-T7
Pages
90
Size
9.47 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cx-jt7-jax-pk7-jax-t7.pdf
Date
PREV: Sony JAX-PK7 / JAX-T7 Service Manual

Sony CX-JT7 / JAX-PK7 / JAX-T7 Service Manual ▷ View online

57
CX-JT7
6-33.
IC  PIN  FUNCTION  DESCRIPTION
•
  MAIN BOARD  IC309 BU2099FV (MULTI CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
VSS
—
Ground terminal
2
NC
—
Not used
3
DATA
I
Serial data input from the tape mechanism controller
4
CLOCK
I
Serial data transfer clock signal input from the system controller
5
LCK
I
Serial data latch pulse clock signal input from the system controller
6
REC
O
Recording on/off control signal output terminal    “L”: recording
7
BIAS
O
Recording bias on/off control signal output terminal    “L”: bias on
8
A/B
O
Deck-A/B selection signal output to the deck-A/B select switch    “L”: deck-B, “H”: deck-A
9
PB MUTE
O
Playback muting on/off control signal output to the recording/playback equalizer amplifier
“H”: muting on
10
REC MUTE
O
Recording muting on/off control signal output to the recording/playback equalizer amplifier
“L”: muting on
11
TUNER MUTE
O
Tuner muting on/off control signal output  to the tuner unit    “H”: muting on
12
LM-R (CD)
O
Loading motor drive signal output terminal
13
LM-L (CD)
O
Loading motor drive signal output terminal
14
TM-R (CD)
O
Table motor drive signal output terminal
15
TM-L (CD)
O
Table motor drive signal output terminal
16
FRONT SPON/OFF
O
Front speaker on/off relay drive control signal output terminal    “L”: front speaker on
17
REAR SPON/OFF
O
Surround speaker on/off relay drive control signal output terminal    “H”: surround speaker on
Not used
18
SO
O
Serial data output to the bass boost controller
19
OE
—
Not used
20
VDD
—
Power supply terminal (+3.3V)
58
CX-JT7
•
  MAIN BOARD  IC310 BU2099FV ( BASS BOOST CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
VSS
—
Ground terminal
2
NC
—
Not used
3
DATA
I
Serial data input from the multi controller
4
CLOCK
I
Serial data transfer clock signal input from the system controller
5
LCK
I
Serial data latch pulse clock signal input from the system controller
6 to 8
NC
—
Not used
9
I-BASS
O
Bass boost on/off control signal output terminal    “L”: bass boost on
10 to 12
CTRL3 to CTRL1
O
Frequency control signal output terminal
13
BB CTRL4
O
Bass boost control signal output terminal    “H”: bass boost +10dB
14
BB CTRL3
O
Bass boost control signal output terminal    “H”: bass boost +8dB
15
BB CTRL2
O
Bass boost control signal output terminal    “H”: bass boost +6dB
16
BB CTRL1
O
Bass boost control signal output terminal    “H”: bass boost +5dB
17
NC
—
Not used
18
SO
O
Serial data output terminal    Not used
19
OE
—
Not used
20
VDD
—
Power supply terminal (+3.3V)
59
CX-JT7
•
  PANEL BOARD  IC201 BU2099FV (LED 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
LCK
I
Serial data latch pulse clock signal input from the system controller
6
CD
O
LED drive signal output of the CD indicator    “L”: LED on
7
TUNER
O
LED drive signal output of the TUNER BAND indicator    “L”: LED on
8
AUX
O
LED drive signal output of the MD (VIDEO) indicator    “L”: LED on
9
TAPE
O
LED drive signal output of the TAPE A/B indicator    “L”: LED on
10
HEAVY
O
LED drive signal output of the HEAVY indicator    “L”: LED on
11
VOCAL
O
LED drive signal output of the VOCAL indicator    “L”: LED on
12
SALSA
O
LED drive signal output of the SALSA indicator    “L”: LED on
13
TECHNO
O
LED drive signal output of the TECHNO indicator    “L”: LED on
14
HIP HOP
O
LED drive signal output of the HIP HOP indicator    “L”: LED on
15
MANUAL
O
LED drive signal output of the MANUAL indicator    “L”: LED on
16, 17
NC
—
Not used
18
SO
O
Serial data output to the tape mechanism controller
19
OE
—
Not used
20
VDD
—
Power supply terminal (+3.3V)
60
CX-JT7
•
  PANEL BOARD  IC202 BU2099FV (LED DRIVER, TAPE MECHANISM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
VSS
—
Ground terminal
2
NC
—
Not used
3
DATA
I
Serial data input from the LED driver
4
CLOCK
I
Serial data transfer clock signal input from the system controller
5
LCK
I
Serial data latch pulse clock signal input from the system controller
6
CD1
O
LED drive signal output of the DISC DIRECT PLAY 1 indicator    “L”: LED on
7
CD2
O
LED drive signal output of the DISC DIRECT PLAY 2 indicator    “L”: LED on
8
CD3
O
LED drive signal output of the DISC DIRECT PLAY 3 indicator    “L”: LED on
9
I-BASS
O
LED drive signal output of the i-BASS indicator    “L”: LED on
10
MOTOR
O
Capstan/reel motor drive signal output terminal    “L”: motor on
11
A-SOL
O
Deck-A side trigger plunger drive signal output terminal    “L”: plunger on
12
B-SOL
O
Deck-B side trigger plunger drive signal output terminal    “L”: plunger on
13 to 17
NC
—
Not used
18
SO
O
Serial data output to the multi controller
19
OE
—
Not used
20
VDD
—
Power supply terminal (+3.3V)
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