Sony HCD-RG333 Service Manual page 25

• IC601 LC876996A-53H2-E (SYSTEM CONTROLLER) (PANEL BOARD)
Pin No. Pin Name
1 O-MP3 CS
2 O-MP3 LP MOTER
3 I-MP3 ACK SOL-B
4 O-MP3 REQ SOL-A
5 I-SCOR
6 O-MP3 RESET
7 I-BU1924 DATA
8 I-BU1924 CLK
9 I-VOLUME-IN1
10 I-VOLUME-IN2
11 RESET
12 I-XT1
13 I-XT2
14 VSS1
15 CF1
16 CF2
17 VDD1
18 I-PROTECT
19 WFR/HP/MIC-IN
20 I-CD ENCODER
21 I-CD OPEN/CLOSE
22 I-TAPE A START
23 I-TAPE B START
24 I-STREAM/VACS
25 I-KEY 3
26 I-KEY 2
27 I-KEY 1
28 I-SIRDS-IN
29 I-AC CUT
30 to 42 G13 to G1
43 to 45 S1 to S3
46 VDD3
47 to 49 S4 to S6
50 S7/METER-SW1
51 –VPP
52 S8/METER-SW2
53 S9/METER-SW3
54 to 63 S10/SW1 to S19/SW10
64, 65 S20, S21
66 I-SPEC/MODEL/METER
67 I-TUNED-IN
68 I-STEREO-IN
69 I-AMS-IN
70 I-REEL-A-IN
71 I-REEL-B-IN
72 VDD4
73 I-CD NUM SENSOR
74 O-POWER-RELAY
75 O-SYSTEM-MUTE
76 O-POWER-LED
77 STREAM-LED6/SOL B
78 STREAM-LED5/SOL A
I/O
O CS signal output to CD digital processor
O LP signal output to CD digital processor and motor signal output
I ACK signal input from CD digital processor and motor signal input
O REQ signal output to CD digital processor and motor signal output
I CD scor signal input
O RESET signal output to CD digital processor
I RG333: RDS data signal input RG441: Not used in this set. (Connect to ground.)
I RG333: RDS clock signal input RG441: Not used in this set. (Connect to ground.)
I Volume signal input from the encoder
I Volume signal input from the encoder
I Reset signal input
I Connection for input a crystal resonator (32.768 kHz)
O Connection for input a crystal resonator (32.768 kHz)
— Ground pin
I Connection for input a ceramic resonator (10 MHz)
O Connection for input a ceramic resonator (10 MHz)
— Power supply pin (+1.5 V)
I Power amplifier circuit protection signal input
I SubWoofer or Headphone detection signal input
I Signal input from the CD encoder
I CD tray open switch signal input
I TAPE A switches signal input
I TAPE B switches signal input
I Stream/Vacs signal input
I Function key input 3
I Function key input 2
I Function key input 1
I Data signal input from the remote contorol receiver
I Power down signal input
O FL tube grid signal output
O FL tube segment signal output
— Power supply pin (+3.3 V)
O FL tube segment signal output
O FL tube segment signal output
— Power supply (–) pin (–26 V)
O FL tube segment signal output
O FL tube segment signal output
O FL tube segment signal output
O FL tube segment signal output
I METER swich signal input
I Tuning frequency signal input
I Stereo tuning signal input
I AMS signal input
I A deck photo sensor signal input
I B deck photo sensor signal input
— Power supply pin (+3.3 V)
I Table address sensor swich signal input
O POWER RELAY control signal output
O System muting signal output
O POWER LED control signal output
O Illumination LED control signal output
O Illumination LED control signal output
HCD-RG333/RG441
Pin Description
25