Sony HCD-XG700, Руководство по обслуживанию

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53
HCD-XG80/XG700
•
PANEL FL BOARD IC601 TMP88CP76F-1B71 (FLUORESCENT INDICATOR TUBE DRIVER, KEY CONTROL)
Pin No. Pin Name I/O Description
1 SIRCS I
Remote control signal input from the remote control receiver (IC702)
2
KEY POWER
SAVE/DEMO
I
Power save/demonstration switch (S609 POWER SAVE/DEMO (STANDBY)) input terminal
“L” is input when key pressing
3 LED SCK O
Serial data transfer clock signal output to the LED driver (IC701)
4
KEY POWER
ON/OFF
I
Power on/off switch (S608 I/
1
) input terminal “L” is input when key pressing
5 LED DAT O
Serial data output to the LED driver (IC701)
6 LED LATCH O
Serial data latch pulse signal output to the LED driver (IC701)
7 LED SEL O
LED selection signal output
8 WAKE UP O
Wakeup control signal output to the system controller (IC501) “L” active
9 VOL A I
Jog dial pulse input from the rotary encoder (S736 VOLUME) (A phase input)
10 VOL B I
Jog dial pulse input from the rotary encoder (S736 VOLUME) (B phase input)
11 KEY 0 I
Key input terminal (A/D input) S601 to S607, S727 to S732 (DISPLAY, SPECTRUM
ANALYZER, TIMER SELECT, SLEEP,
c /CLOCK SET, GAME, FUNCTION, ROCK,
MOVIE, REGGAE, MIC GUITAR/KARAOKE, GUITAR DISTORTION, PTY) keys input
(S732 PTY key: used for the HCD-XG700)
12 KEY 1 I
Key input terminal (A/D input) S621 to S627, S743 to S750 ( H , h , x , . AMS >
m
/
M
, DOLBY NR, DIRECTION, FLASH, EDIT, NON-STOP, DISC1/2/3/4/5) keys input
13 KEY 2 I
Key input terminal (A/D input)
S615 to S619, S716 to S726 (
h
,
H
,
x
,
.
AMS
> m
/
M
, GUITAR, JAZZ, SAMBA,
DANCE, TANGO, SALSA, GAME, b , v , V , B ) keys input
14 KEY 3 I
Key input terminal (A/D input)
S701 to S710, S712 to S715, S741 (TUNER MEMORY, ENTER/TEXT, –, TUNER/BAND, +,
STEREO/MONO, TUNING MODE, ENTER, P.FILE, FLAT, SURROUND, GROOVE, SUPER
WOOFER, SUPER WOOFER MODE, LOOP) keys input
15 KEY 4 I
Key input terminal (A/D input) S611 to S614, S751 to S757 ( X , z REC, H SPEED DUB, CD
SYNC,
HX
,
x
,
m
,
M
, DISC SKIP, REPEAT, PLAY MODE) keys input
16
GUITAR
DISTORTION
O Distortion on/off control signal output
17
BPF 0
I
Spectrum analyzer drive (super low frequency) signal input from the spectrum analyzer band-
pass filter (IC602) (for 40 Hz)
18 BPF 1 I
Spectrum analyzer drive (low frequency) signal input from the spectrum analyzer band-pass filter
(IC602) (for 100 Hz)
19 BPF 2 I
Spectrum analyzer drive (low and middle frequency) signal input from the spectrum analyzer
band-pass filter (IC602) (for 400 Hz)
20 BPF 3 I
Spectrum analyzer drive (middle and high frequency) signal input from the spectrum analyzer
band-pass filter (IC602) (for 2 kHz)
21 BPF 4 I
Spectrum analyzer drive (high frequency) signal input from the spectrum analyzer band-pass filter
(IC602) (for 6 kHz)
22
ALL BAND
I
Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC602)
(for VACS, non-stop signal)
23 VSS —
Ground terminal
24 VASS —
Ground terminal (for A/D conversion)
25 VAREF I
Reference voltage (+5V) input terminal (for A/D conversion)
26 VDD —
Power supply terminal (+5V)
27, 28 GR-16, GR-15 O
Grid drive signal output to the fluorescent indicator tube (FL601)
29 to 40 GR-14 to GR-3 O
Grid drive signal output to the fluorescent indicator tube (FL601)
41 VDD VFT —
Power supply terminal (+5V)
42
GR-2
O
Grid drive signal output to the fluorescent indicator tube (FL601)
43
GR-1
O
Grid drive signal output to the fluorescent indicator tube (FL601)