Sony HCD-EC55 / HCD-EC77 / HCD-GX99 / MHC-EC55 / MHC-EC77 / MHC-GX99 Service Manual ▷ View online
53
HCD-EC55/EC77/GX99
Pin No.
Pin Name
I/O
Description
97
FPi1(B)
I
Main beam input terminal (Connect to pin diode B)
98
TPi(F)
I
Sub beam AMP input terminal (Connect to pin diode F)
99
TNPC
O
Capacitor connect terminal to the middle pointof TNI/TPI input register
100
TNi(E)
I
Sub beam AMP input terminal (Connect to pin diode E)
54
HCD-EC55/EC77/GX99
PANEL BOARD IC301 MB90803PF-G-130E1 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
O-POWER
O
Power relay control signal output terminal
2
O-AMP-ON
O
AMP control signal output terminal
3
O-FUNC-CLK
O
Function select control serial data signal to IC602
4
O-FUNC-DATA
O
Function select control serial clock signal to IC602
5
I-CD-SW3
I
SW3 control input signal from CD
6
I-CD-SW2
I
SW2 control input signal from CD
7
I-CD-SW1
I
SW1 control input signal from CD
8
O-CD-M1+
O
M1+ control output signal terminal
9
I-RMC
I
Remote sensor input signal terminal
10
O-CD-M1–
O
M1– control output signal terminal
11
O-CD-M2+
O
M2+ control output signal terminal
12
O-CD-M2–
O
M2– control output signal terminal
13
X0A
O
Resonator output terminal (32.768KHz)
14
X1A
I
Resonator input terminal (32.768KHz)
15
VCC
—
Power supply terminal (+3.3V)
16
VSS
—
Ground terminal
17
I/O-CD-BUS0
O
CD data line to BD90
18
I/O-CD-BUS1
O
CD data line to BD90
19
I/O-CD-BUS2
O
CD data line to BD90
20
I/O-CD-BUS3
O
CD data line to BD90
21
I-CD-CHACK
I
CD chack switch (SW7) input terminal from BD90
22
I-CD-CLOSE
I
CD close switch (SW6) input terminal from BD90
23
I-CD-STOCK
I
CD stock switch (SW5) input terminal from BD90
24
I-CD-OPEN
I
CD open switch (SW8) input terminal from BD90
25
O-CD-BUCK
O
CD clock output terminal
26
O-CD-CCE
O
CD chip select enable output terminal
27
O-CD-RST
O
Zipang reset control output terminal
28
O-LED-STBY
O
STBY -LED control signal output terminal
29
I-CD-ZDET
O
ZDET output terminal
30
O-CD-M-MUTE
O
Motor driver mute signal output terminal
31
O-CD-REQ
O
CD DSP MP3 serial data request signal output terminal
32
AVCC
—
Power supply terminal (+3.3V)
33
I-TU-DO
O
TU data output signal terminal
34
O-TP-REC-MUTE
O
Tape REC mute signal output terminal (Except US, CND)
35
AVSS
—
Ground terminal
36
I-P-MONI
I
Power monitor signal input terminal
37
I-KEY1
I
KEY-CD board control signal (KEY-1) input terminal
38
I-KEY2
I
KEY-RIGHT board control signal (KEY-2) input terminal
39
I-TU-ANSD
I
Tuner analog SD input terminal
40
I-TP-STATE
I
Tape deck statement monitor terminal (US, CND not used (Fixed to “L”))
41
I-KEY-WAKE
I
KEY-LEFT board control signal (KEY-0) input terminal
42
I-HOLD
I
IC301 stop mode control input terminal
43
O-CD-SBSY
I
CD-SBSY signal input terminal
44
GND
—
Ground terminal
45
O-LED
O
LCD back light control output terminal
46
I-MODEL
I
Fixed model input terminal
47
I-SUFFIX
I
Fixed model suffix input terminal
48
I-RE-VOL
I
Input signal from the volume encoder
Ver. 1.2
55
HCD-EC55/EC77/GX99
Pin No.
Pin Name
I/O
Description
49
O-CD-ON
I
CD power control signal input terminal
50
NC
O
No used (Open)
51
MD2
—
Use write (Not used (Fixed to “L”))
52
MD1
—
Use write (Not used (Fixed to “H”))
53
MD0
—
Use write (Not used (Fixed to “H”))
54
RESET
I
IC301 reset mode control input terminal
55
O-TU-CE
O
TU-CE signal output terminal
56
O-TU-CLK
O
TU-CLOCK signal output terminal
57
O-TU-DI
O
TU-DATA signal output terminal
58
VLCD
O
LCD voltage set output terminal
59
COM0
O
Common signal output to the LCD
60
COM1
O
Common signal output to the LCD
61
COM2
O
Common signal output to the LCD
62
CMO3
O
Common signal output to the LCD
63
SEG0
O
Segment signal output to the LCD
64
SEG1
O
Segment signal output to the LCD
65
VCC
—
Power supply terminal (+3.3V)
66
VSS
—
Ground terminal
67
SEG2
O
Segment signal output to the LCD
68
SEG3
O
Segment signal output to the LCD
69
SEG4
O
Segment signal output to the LCD
70
SEG5
O
Segment signal output to the LCD
71
SEG6
O
Segment signal output to the LCD
72
SEG7
O
Segment signal output to the LCD
73
SEG8
O
Segment signal output to the LCD
74
SEG9
O
Segment signal output to the LCD
75
SEG10
O
Segment signal output to the LCD
76
SEG11
O
Segment signal output to the LCD
77
SEG12
O
Segment signal output to the LCD
78
SEG13
O
Segment signal output to the LCD
79
SEG14
O
Segment signal output to the LCD
80
SEG15
O
Segment signal output to the LCD
81
SEG16
O
Segment signal output to the LCD
82
SEG17
O
Segment signal output to the LCD
83
SEG18
O
Segment signal output to the LCD
84
SEG19
O
Segment signal output to the LCD
85
SEG20
O
Segment signal output to the LCD
86
SEG21
O
Segment signal output to the LCD
87
SEG22
O
Segment signal output to the LCD
88
SEG23
O
Segment signal output to the LCD
89
SEG24
O
Segment signal output to the LCD
90
VCC
—
Power supply terminal (+3.3V)
91
VSS
—
Ground terminal
92
X1
I
Resonator input terminal (5MHz)
93
X0
O
Resonator output terminal (5MHz)
94
SEG25
O
Segment signal output to the LCD
95
SEG26
O
Segment signal output to the LCD
96
SEG27
O
Segment signal output to the LCD
97
SEG28
O
Segment signal output to the LCD
56
HCD-EC55/EC77/GX99
Pin No.
Pin Name
I/O
Description
98
SEG29
O
Segment signal output to the LCD
99
SEG30
O
Segment signal output to the LCD
100
SEG31
O
Segment signal output to the LCD
Click on the first or last page to see other HCD-EC55 / HCD-EC77 / HCD-GX99 / MHC-EC55 / MHC-EC77 / MHC-GX99 service manuals if exist.