Read Sony HCD-N555AVK / LBT-N555AVK Service Manual online
— 19 —
V
SS
XOUT
XIN
RESET
XOUT
XIN
GND (test)
AC CUT
SUPER WOOFER ON
ST-MUTE ON
180-A-PLAY
180-B-PLAY
180-B-REC
V. DET
BD-UP (5CD)
TRAY CLOSE (1CD)
ENCODER-1
ENCODER-2
ENCODER-3
OUT SW OPEN
LOAD IN
LOAD OUT
TBL-L
TBL-R
SCOR
TBL-SENS
RDS INT
RDS DATA
DF LAT
SENS
XRST
MG-RDY
ADJ
GM-REQ
MG-CLK
GM-DATA
MG-DATA
CD-CLK
ADJ-2
CD-DATA
• IC701 MASTER CONTROL (TMP87CS64YF)
Function
I/O
Pin Name
Pin No.
–
O
I
I
O
I
–
I
O
O
I
I
I
I
I
I
I
I
I
I
O
O
O
O
I
I
I
I
O
I
O
O
I
I
O
I
O
O
I
O
GND
X’ tal (10 MHz)
Reset signal input.
X’ tal for clock (32.768 kHz)
GND
Back up signal input.
Super woofer ON/OFF control.
Mute signal output for tuner.
Tape detection sigal input. (Connected to GND)
Voltage detection (Not used).
Disc table up detect.
Connected to GND
Input selector control signal output. (Pull up)
Out switch signal input. (Pull up)
Loading motor control signal output. (Not used)
Table motor control signal output.
Sub-code sync signal input.
CD Table sensor signal input.
RDS data start input. (Not used)
RDS data output. (Not used)
Latch signal for digital filter.
Table sence signal input.
Reset signal output for CD.
Ready signal to graphic control.
Test mode input.
Request signal from graphic control.
Clock signal to graphic control.
Data input from graphic control.
Data output to graphic control.
Clock output. Serial bus line.
Test mode input.
Data output. Serial bus line.
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
39
40
• Abbreviation
FL : Fluorescent Indicator Tube
GND : Ground
FL : Fluorescent Indicator Tube
GND : Ground
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