Read Sony MHC-RG444S (serv.man2) Service Manual online
49
MHC-RG444S(HCD-RG444)
Pin No.
Pin Name
I/O
Description
49
S6
O
FL tube segment signal output
50
S7/METER-SW1
O
FL tube segment signal output
51
-VPP
–
Power supply (-)
52
S8/METER-SW2
O
FL tube segment signal output
53
S9/METER-SW3
O
FL tube segment signal output
54
S10/SW1
O
FL tube segment signal output
55
S11/SW2
O
FL tube segment signal output
56
S12/SW3
O
FL tube segment signal output
57
S13/SW4
O
FL tube segment signal output
58
S14/SW5
O
FL tube segment signal output
59
S15/SW6
O
FL tube segment signal output
60
S16/SW7
O
FL tube segment signal output
61
S17/SW8
O
FL tube segment signal output
62
S18/SW9
O
FL tube segment signal output
63
S19/SW10
O
FL tube segment signal output
64
S20
O
FL tube segment signal output
65
S21
O
FL tube segment signal output
66
I-SPEC/MODE/METER
I
METER swich input
67
I-TUNED-IN
I
Tuning a frequency signal input
68
I-STEREO-IN
I
Stereo tuning signal input
69
I-ASM-IN
I
ASM signal input
70
I-REEL-A-IN
I
A deck photo sensor signal input
71
I-REEL-B-IN
I
B deck photo sensor signal input
72
VDD4
–
Power supply
73
I-CD Num Senser
O
Table address sensor swich signal input
74
O-POWER-RELAY
O
POWER RELAY control output
75
O-SYSTEM-MUTE
O
System muting signal output
76
O-POWER-LED
O
POWER LED control signal output
77
STREAM-LED6 SOLB
O
Illumination LED control signal output (Not used)
78
STREAM-LED5 SOLA
O
Illumination LED control signal output (Not used)
79
STREAM-LED4 MOTOR
O
Illumination LED control signal output (Not used)
80
STREAM-LED3 MP3-STB
O
Illumination LED control signal output (Not used)
81
STREAM-LED2
O
Illumination LED control signal output (Not used)
82
STREAM-LED1
O
Illumination LED control signal output (Not used)
83
I-LC72121 DI
I
Data input from Tuner
84
O-LC72121 CE
O
Chip select output to Tuner
85
O-LC72121/BU2099FV DO
O
Data input from Tuner and SP Driver
86
O-LC72121/BU2099FV CLK
O
Clock output to Tuner and SP Driver
87
O-BU2099FV LCH
O
LCH output to SP Driver
88
O-BD3401 CLK
O
Clock output to Sound Processor
89
VSS2
–
Ground
90
VDD2
–
Power supply
91
O-BD3401 DATA
O
Data output toSound Processor
92
O-XTCN
O
CD xtcn signal output
93
O-XRES(RESET)
O
CD reset signal output
94
O-XLT(CD-LAT)
O
CD xlt signal output
95
O-CD-DATA
O
CD data output
96
I-SENS
I
CD sens input
97
O-CD-CLK
O
CD clk output
98
O-MP3-DO
O
Clock output to CD Digital Processor (Not used)
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