Sony HCD-GRX9000, Руководство по обслуживанию

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PANEL BOARD IC601 TMP87CM74AF-6671
Pin No. Pin Name I/O Function
1 LED3 O
LED drive signal output terminal Not used (open)
2 LED4 O
LED drive signal output terminal Not used (open)
3 LED5 O LED drive signal output terminal (DISC 3)
4 LED6 O
LED drive signal output terminal (DISC 2)
5 LED7 O
LED drive signal output terminal (DISC 1)
6 LED8 O LED drive signal output terminal (ENTER/NEXT, GROOVE)
7 VSS —
Ground terminal
8 X-OUT O
System clock output terminal (8 MHz)
9 X-IN I
System clock input terminal (8 MHz)
10 RESET I
System reset signal input from the reset signal generator (IC502) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
11 LED9 O
LED drive signal output terminal (JOG, DJ MIX)
12 LED10 O LED drive signal output terminal (NON-STOP, +
)
, –
0
)
13 TEST I
Connected to ground
14 LED11 O
LED drive signal output terminal Not used (open)
15 LED12 O
LED drive signal output terminal (EFFECT)
16 LED13 O
LED drive signal output terminal (CD
( P
)
17 LED14 O
LED drive signal output terminal (TAPE B
(
/
9
)
18 LED15 O
LED drive signal output terminal (TAPE A
(
/
9
)
19 VOL-A I Rotary encoder pulse input from the S602 (VOLUME)
20 VOL-B I
Rotary encoder pulse input from the S602 (VOLUME)
21 JOG-A I
Jog dial pulse input from the S601 (
=
↔
+
DJ MIX)
22 JOG-B I Jog dial pulse input from the S601 (
=
↔
+
DJ MIX)
23 SCL I/O
Communication data reading clock signal input or transfer clock signal output with the system
controller (IC501)
24 SDA I/O
Communication data bus with the system controller (IC501)
25 L.SEL O LED selection signal output terminal
26 KEY-0 I
27 KEY-1 I
Key input terminal (A/D input) (S619 to 625)
FLASH, NON-STOP, –
0
, ENTER/NEXT, +
)
, DBFB, GROOVE keys input
28 KEY-2 I
29 KEY-3 I
Key input terminal (A/D input) (S618, 656 to 659)
r
REC,
P
PAUSE, HI-DUB, CD SYNC, keys input
30 MODEL I
Destination setting terminal
31
SPEANA
RESET
O
Reset signal output the spectrum analyzer band-pass filter (IC603) “H”: reset
32 L+R I
Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC603)
(for VACS, non-stop signal)
33 SIRCS I
Remote control signal input from the remote control receiver (IC602)
34 SPEANA-1 I
Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC603)
(for low frequency)
(FLUORESCENT INDICATOR TUBE DRIVE, LED DRIVE, KEY CONTROL)
Key input terminal (A/D input) (S631 to 642)
TUNER BAND, CD
( P
, TAPE B
(
/
9
, TAPE A
(
/
9
, ON/STANDBY, DISC 1/2/3,
DISC SKIP/EX-CHANGE,
6
keys input
Key input terminal (A/D input) (S604 to 617)
EFFECT, SURROUND, KARAOKE PON/MPX,
p
, TIMER SELECT, CLOCK/TIMER SET,
DISPLAY/DEMO, FILE SELECT, GEQ CONTROL, P FILE MEMORY, FUNCTION,
REPEAT STEREO/MONO, EDIT DIRECTION, PLAY MODE DOLBY NR TUNER
MEMORY keys input