Sony HCD-V4800 - Panel Board

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Pin No. Pin Name I/O Function
1 LED3 O
LED drive signal output terminal (SUPER WOOFER, P (CD))
2 LED4 O
LED drive signal output terminal (· (CD))
3 LED5 O
LED drive signal output terminal (deck-B ª / ·)
4 LED6 O
LED drive signal output terminal (P / r REC (TAPE))
5 LED7 O
LED drive signal output terminal (EFFECT, ENTER)
6 LED8 O
LED drive signal output terminal (FILE 1/2)
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 (IC302) “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 Not used (connected to ground)
12 LED10 O
LED drive signal output terminal Not used (connected to ground)
13 TEST I
Connected to ground
14 LED11 O
LED drive signal output terminal (FILE 3/4)
15 LED12 O
LED drive signal output terminal (FILE 5, P FILE)
16 LED13 O
LED drive signal output terminal (MENU 2/1)
17 LED14 O
LED drive signal output terminal (KEY CONTROL)
18 LED15 O
LED drive signal output terminal (decck-A · / ª)
19 LED16 O
LED drive signal output terminal (CD NON-STOP, VCD)
20 VOL-A I
Rotary encoder pulse input from the S701 (VOLUME)
21 DOOR SW I
CD door switch (S691 (6 OPEN)) input terminal
22 JOG-A I
Jog dial pulse input from the S711 (≠ AMS ±)
23 CLOCK I/O
Communication data reading clock signal input or transfer clock signal output with the master
controller (IC301) and IIC interface controller (IC901)
24 DATA I/O
Communication data bus with the master controller (IC301) and IIC interface controller
(IC901)
25 LED SELECT O
LED selection signal output terminal
26 MODEL I
Destination setting terminal
27 KEY-1 I
28 KEY-2 I
29 KEY-3 I
30 KEY-4 I
31 LED17 O
LED drive signal output terminal (PBC, AUTO PBC)
32 L+R I
Spectrum analyzer drive signal input terminal (for high frequency)
PANEL BOARD IC601 TMP87CH74-6566
(FLUORESCENT INDICATOR TUBE DRIVER, KEY CONTROL, LED DRIVER)
Key input terminal (A/D input) (S601 to 608, 651 to 659)
ENTER/NEXT, TUNER MEMORY, TUNING MODE, TUNER/BAND, TUNING +/–,
STEREO/MONO, FUNCTION, deck-B (· / ª / ) / 0 / p), P , r REC,
H SPEED DUB, CD SYNC
Key input terminal (A/D input) (S609 to 615, 676 to 679, 681 to 686)
GROOVE, GEQ 4 / 9 / ( / $ , SUPER WOOFER, SUPER W MODE, CD (· / p /
P), DISC SKIP, CD ()), REPEAT, PLAY MODE, 1/ALL DISCS, EDIT, CD (0)
Key input terminal (A/D input) (S616 to 618, 641 to 647, 661 to 666, 670, 671)
GEQ CONTROL, ENTER, EFFECT, deck-A (· / ª / p / 0 / )), DOLBY NR,
DIRECTION, DISC 1 to DISC 5, CD FLASH, PREV, NEXT
Key input terminal (A/D input) (S619 to 626, 628 to 633, 667 to 669)
SPECTRUM ANALYZER, DISPLAY/DEMO, POWER. CLOCK SET, REC, DAILY 1/2,
SLEEP, WAVE, KARAOKE PON/MPX, SURROUND, P FILE MEMORY, n, ˜,
CD NON-STOP, CD LOOP, RETURN