Read Sony MHC-RG444S (serv.man2) Service Manual online
48
MHC-RG444S(HCD-RG444)
• IC601 LC876964C-53V8-E (SYSTEM CONTROLLER) (PLACA DE PAINEL)
Pin No.
Pin Name
I/O
Description
1
O-MP3 CS
O
CS output to CD Digital Processor(Not used)
2
O-MP3 LP MOTER
O
Motor signal output
3
I-MP3 ACK SOL-B
I
Motor signal input
4
O-MP3 REQ SOL-A
O
Motor signal output
5
I-SCOR
I
CD Scor input
6
O-MP3 RESET
O
RESET output to CD Digital Processor
7
I-BU1924 DATA
I
Data input(Not used)
8
I-BU1924 CLK
I
Clock input(Not used)
9
I-VOLUME-IN1
I
Volume signal input from the encoder
10
I-VOLUME-IN2
I
Volume signal input from the encoder
11
RESET
I
Reset input
12
I-XT1
I
Connection for input a crystal resonator
13
I-XT2
O
Connection for input a crystal resonator
14
VSS1
–
Ground
15
CF1
I
Connection for input a ceramic resonator
16
CF2
O
Connection for input a ceramic resonator
17
VDD1
–
Power supply
18
I-PROTECT
I
Power amplifier circuit protection signal input
19
WFR/HP/MIC-IN
I
SubWoofer or Headphone detection signal input
20
I-CD ENCODER
I
Signal input from the CD encoder
21
I-CD OPEN/CLOSE
I
CD tray open switch signal input
22
I-TAPE A START
I
TAPE A switches signal input
23
I-TAPE B START
I
TAPE B switches signal input
24
I-STREAM/VACS
I
Stream/Vacs signal input
25
I-KEY 3
I
Function key input
26
I-KEY 2
I
Function key input
27
I-KEY 1
I
Function key input
28
I-SIRDS-IN
I
Data input from the remote contorol receiver
29
I-AC CUT
I
Power down signal input
30
G13
O
FL tube grid signal output
31
G12
O
FL tube grid signal output
32
G11
O
FL tube grid signal output
33
G10
O
FL tube grid signal output
34
G9
O
FL tube grid signal output
35
G8
O
FL tube grid signal output
36
G7
O
FL tube grid signal output
37
G6
O
FL tube grid signal output
38
G5
O
FL tube grid signal output
39
G4
O
FL tube grid signal output
40
G3
O
FL tube grid signal output
41
G2
O
FL tube grid signal output
42
G1
O
FL tube grid signal output
43
S1
O
FL tube segment signal output
44
S2
O
FL tube segment signal output
45
S3
O
FL tube segment signal output
46
VDD3
–
Power supply
47
S4
O
FL tube segment signal output
48
S5
O
FL tube segment signal output
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