Sony HCD-RX80 - Panel Board Ic601 Tmp87 Ch75 F-6543 (Graphic Control)

– 85 –
1 SEG-35 O Fluorescent display tube segment signal output
2 V-LOAD – –30V for Fluorescent display tube
3-10 LED1-LED8 O LED driver output
11 VSS – Ground
12 X-OUT O X'tal (8MHz)
13 X-IN I X'tal (8MHz)
14 RESET I Reset signal input from master control
15, 16 LED9, LED10 O LED driver output
17 TEST I Connected ground
18-23 LED11-LED16 O LED driver output
24 VOL-A I Rotaly encoder pulse input
25 LED 17 O Not used
26 JOG-A I Rotaly encoder pulse input
27 CLOCK I Serial clock input from master control
28 DATA I Serial data input from master control
29 LED SELECT O LED select signal output
30 VDD – Power supply (+5V)
31 VSS – Ground
32 MODEL I Connected ground
33-37 KEY1-KEY5 I Key input
38 EWS STANDBY – Not used
39 SIRCS I Remote commander signal input
40 VOL-B I Rotaly encoder pulse input
41 JOG-B I Rotaly encoder pulse input
42-45 SPEANA 1-4 I Spectrum analyzer signal input
46 L + R I Spectrum analyzer (high frequency) input
47
EWS SIGNAL
I Not used
/LED 18
48 VASS – Ground
49 VAREF I Analog reference voltage input
50 VDD – Power supply (+5V)
51-66 GR1-GR16 O Fluorescent display tube gride signal output
67-100 SEG1-SEG34 O Fluorescent display tube segment signal output
Pin No. Pin Name I/O Function
PANEL BOARD IC601 TMP87CH75F-6543 (GRAPHIC CONTROL)