Sony HCD-DX60AV / HCD-RG70AV / MHC-DX60AV / MHC-RG70AV Service Manual ▷ View online
50
HCD-DX60AV/RG70AV
5-23.
IC PIN FUNCTION DESCRIPTION
•
MAIN BOARD IC401 M30622MCA-B43FP (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
S-OUT
O
Serial data output to the display control (IC701)
2
S-CLK
O
Serial data transfer clock signal output to the display control (IC701)
3
S-BSY
I
Busy signal input from the display control (IC701) “L”: busy
4
REMOTE-IN
I
Remote control signal input terminal
5
3878-DAT
O
Serial data output to the BH3878KS2 (IC301)
6
3878-LAT
O
Serial data latch pulse output to the BH3878KS2 (IC301)
7
3878-CLK
O
Serial data transfer clock signal output to the BH3878KS2 (IC301)
8
BYTE
I
External data bus line byte selection signal input terminal Fixed at “L”: in this set
9
CNVSS
—
Ground terminal
10
XCIN
I
Sub system clock input terminal (32.768 kHz)
11
XCOUT
O
Sub system clock output terminal (32.768 kHz)
12
RESET
I
System reset signal input from the reset signal generator (IC402) “L”: reset
For several hundreds msec. after the power supply rises, “L”: is input, then it changes to “H”
For several hundreds msec. after the power supply rises, “L”: is input, then it changes to “H”
13
XOUT
O
Main system clock output terminal (16 MHz)
14
VSS
—
Ground terminal
15
XIN
I
Main system clock input terminal (16 MHz)
16
VCC
—
Power supply terminal (+5V)
17
NMI
I
Non-maskable interrupt input terminal Fixed at “H” in this set
18
AC-CUT
I
AC off detection signal input from the reset signal generator (IC402) “L”: AC cut checked
19
SCOR
I
Subcode sync (S0+S1) detection signal input terminal
20
RDS-INT
I
Serial data transfer clock siganl input terminal Used for the AEP model only
21
RDS-DATA
I
Serial data input terminal Used for the AEP model only
22
ST-MUT
O
Tuner muting contorl signal output terminal “H”: muting on
23
STEREO
I
FM stereo detection signal input from the FM/AM tuner system (IC101) “L”: stereo
24
TUNED
I
Tuning detection signal input from the FM/AM tuner system (IC101) “L”: tuned
25
ST-CE
O
PLL chip enable signal output to the PLL (IC102)
26
ST-DOUT
O
PLL serial data output to the PLL (IC102)
27
ST-DIN
I
PLL serial data input from the PLL (IC102)
28
ST-CLK
O
PLL serial data transfer clock signal output to the PLL (IC102)
29
IIC-CLK
I/O
Shift clock signal input/output terminal for the IIC bus Fixed at “H” in this set
30
IIC-DAT
I/O
Data input/output terminal for the IIC bus Fixed at “H” in this set
31
CAN' T-USE
—
Not used (open)
32
SQ-DAT IN
I
Subcode Q data input terminal
33
SQ-CLK
O
Subcode Q data reading clock signal output terminal
34
SENS (CXD2587
SENS)
I
Internal status (SENSE) signal input from the CXD2587Q (IC101)
35
CD-DAT OUT
O
Serial data output to the CXD2587Q (IC101)
36
CAN' T-USE
—
Not used (fixed at “L”)
37
CD-CLK
O
Serial data transfer clock signal output to the CXD2587Q (IC101)
38
CD-POWER
O
CD power on/off control signal output “L”: on, “H”: off
39
(CLOCK-OUT)
—
Clock signal output terminal Not used (open)
40
HOLD
O
Laser power control signal output to the CXA2568M (IC103)
41
M-RESET
O
Micom reset signal output to the display control (IC701) “L”: reset
42
XLT (CD)
O
Serial data latch pulse output to the CXD2587Q (IC101)
43
XRST (CD)
O
CD reset signal output to the CXD2587Q (IC101) and BA5974FP (IC102) “L”: reset
51
HCD-DX60AV/RG70AV
Pin No.
Pin Name
I/O
Description
44
LOAD-IN
O
Turn motor control signal output to the BA6956AN (IC701)
45
LOAD-OUT
O
Turn motor control signal output to the BA6956AN (IC701)
46
OPEN
I
Tray open detect signal input terminal “L”: open
47
CLOSE
I
Tray close detect signal input terminal “L”: close
48
UP/DOWN
O
Pick-up up/down detect signal input terminal
49
T-SENS
I
CD table detect signal input from the SG-264 (IC711)
50
GAME/DVD
I
Game/DVD selection signal input terminal “H”: game in, “L”: DVD in
51
—
—
Not used (fixed at “H”)
52
CENTER-MUT
O
Muting on/off control signal output terminal “L”: muting on
53
REAR-MUT
O
Muting on/off control signal output terminal “L”: muting on
54
464-DAT
O
Serial data output to the M62464BFP (IC302)
55
464-CLK
O
Serial data transfer clock signal output to the M62464BFP (IC302)
56
464-LT
O
Serial data latch pulse output to the M62464BFP (IC302)
57
SUR1
O
Surround control signal output terminal Not used (open)
58
SUR2
O
Surround control signal output terminal Not used (open)
59
SUR3
O
Surround control signal output terminal Not used (open)
60
A-TRG
O
Deck-A side trigger plunger drive signal output terminal “H”: plunger on
61
B-TRG
O
Deck-B side trigger plunger drive signal output terminal “H”: plunger on
62
VCC
—
Power supply terminal (+5V)
63
SOFT-TEST
O
Output terminal for the software test (open)
64
VSS
—
Ground terminal
65
CAMP-CONTL
O
Capstan motor on/off control signal output terminal “H”: motor on
66
B-RECFWD
I
Detection input from the deck-B rec forward detect switch “L”: rec
67
B-RECREV
I
Detection input from the deck-B rec reverse detect switch “L”: rec
68
A-HALF
I
Detection input from the deck-A half detect switch “L”: cassete in, “H”: no cassette
69
B-HALF
I
Detection input from the deck-B half detect switch “L”: cassete in, “H”: no cassette
70
A-PLAY
I
Detection input from the deck-A play detect switch “H”: deck-A play
71
B-PLAY
I
Detection input from the deck-B play detect switch “H”: deck-B play
72
AMS-IN
I
AMS signal input terminal “L”: AMS in
73
DISPLAY-KEY
I
Display key input terminal S726 (DISPLAY)
74
POWER-KEY
I
Power key input terminal S701 (I/1)
75
BIAS
O
Recording bias on/off control signal output terminal “H”: bias on, “L”: bias off
76
PB-A/B
O
Deck-A/B selection signal output to the TA8189N (IC201) “L”: deck-A, “H”: deck-B
77
TC-RELAY
O
Tape deck relay on/off control signal output terminal
78
PB MUTE
O
Play back muting on/off control signal output terminal Not used (open)
79
REC MUTE
O
Recording muting on/off control signal output terminal “H”: muting on
80
SP-LAT-A
O
Serial data latch pulse output to the BH3878KS2 (IC302)
81
SP-LAT-B
O
Serial data latch pulse output to the BH3878KS2 (IC302)
82
SP-LAT-C
O
Serial data latch pulse output to the BH3878KS2 (IC302)
83
LINE-MUT
O
Audio line muting on/off control signal output terminal “H”: muting on
84
STK-MUT
O
Muting on/off control signal output terminal “H”: muting on
85
PROTECT
I
Speaker protect signal input terminal “L”: protect on
86
STBY-RELAY
O
Standby relay on/off control signal output terminal “H”: relay on
87
REAR-RELAY
O
Rear speaker relay on/off control signal output terminal “H”: relay on
88
FRONT-RELAY
O
Front speaker relay on/off control signal output terminal “H”: relay on
89
A-SHUT
I
Shut off detection signal input from the deck-A side reel pulse detector
52
HCD-DX60AV/RG70AV
Pin No.
Pin Name
I/O
Description
90
B-SHUT
I
Shut off detection signal input from the deck-B side reel pulse detector
91
SP/VACS
I
Spectrum analyzer signal input from the BH3878KS2 (IC301)
92
MODEL-IN
I
Model select signal input terminal
93
SPEC-IN
I
Version select signal input terminal
94
NC
—
Not used (open)
95
NC
—
Not used
96
AVSS
—
Ground terminal (for analog)
97
POWER-LED
O
POWER LED on/off control signal output terminal “H”: LED on, “L”: LED off
98
VREF
I
Reference voltage (+5V) input terminal (for analog)
99
AVCC
—
Power supply terminal (+5V) (for analog)
100
S-IN
I
Serial data input to the display control (IC701)
53
HCD-DX60AV/RG70AV
•
PANEL BOARD IC701
µ
PD780232GC-031-8BT (DISPLAY CONTROL)
Pin No.
Pin Name
I/O
Description
1
VDD
—
Power supply terminal (+5V)
2
VSS
—
Ground terminal
3
X1
I
System clock input terminal (5MHz)
4
X2
O
System clock output terminal (5MHz)
5
IC
—
Not used (fixed at “L”)
6
RESET
I
Reset signal input from the system controller (IC401)
7
S-CLK
I
Serial data transfer clock signal input from the system controller (IC401)
8
S-IN
I
Serial data input to the system controller (IC401)
9
S-OUT
O
Serial data output to the system controller (IC401)
10
SBSY
O
Busy signal output to the system controller (IC401)
11
NO USE
—
Not used (open)
12
NO USE
—
Not used (open)
13
VOL-A
I
Rotary encoder pulse input from the VR701 (VOLUME)
14
VOL-B
I
Rotary encoder pulse input from the VR701 (VOLUME)
15
NO USE
—
Not used (open)
16
NO USE
—
Not used (open)
17
HEADPHONE
I
Headphone detect signal input terminal “H”: Headphone Yes, “L”: Headphone No
18
AVSS
—
Ground terminal (for A/D)
19
NO USE
—
Not used (fixed at “L”)
20
KEY2
I
Key input terminal (A/D input)
S702 to S712 (GAME-LINK, GROOVE, DISC SKIP/EX-CHANGE, DISC1, DISC2, DISC3,
OPEN/CLOSE, v , V, PICTURE (GROOVE), DVD5.1)
S702 to S712 (GAME-LINK, GROOVE, DISC SKIP/EX-CHANGE, DISC1, DISC2, DISC3,
OPEN/CLOSE, v , V, PICTURE (GROOVE), DVD5.1)
21
KEY1
I
Key input terminal (A/D input) S727 to S738 (SPECTRUM, DIRECTION/EDIT,
STEREO/MONO REPEAT, TUNER MEN/PLAY MODE, GAME, ENTER, P.FILE, B, b,
MUSIC, EFFECT ON/OFF, MOVE)
STEREO/MONO REPEAT, TUNER MEN/PLAY MODE, GAME, ENTER, P.FILE, B, b,
MUSIC, EFFECT ON/OFF, MOVE)
22
KEY0
I
Key input terminal (A/D input) S713 to S721
(M/+, ., x, gG, X, >, –/m, CD SYNC, REC PAUSE/START)
(M/+, ., x, gG, X, >, –/m, CD SYNC, REC PAUSE/START)
23
VSS
—
Ground terminal
24
AVDD
—
Power supply terminal (for analog)
25
VDD
—
Power supply terminal (+5V)
26
DVD5.1-LED
O
DVD5.1 LED on/off control signal output terminal “H”: LED on, “L”: LED off
27
PRO-LED
O
PRO LOGIC LED on/off control signal output terminal “H”: LED on, “L”: LED off
28
ENTER-LED
O
ENTER LED on/off control signal output terminal “H”: LED on, “L”: LED off
29
REC-LED
O
REC PAUSE/START LED on/off control signal output terminal “H”: LED on, “L”: LED off
30
GAME-LED
O
GAME LED on/off control signal output terminal “H”: LED on, “L”: LED off
31
MD/VIDEO-
LED
O
MD (VIDEO) LED on/off control signal output terminal “H”: LED on, “L”: LED off
32
TAPE-LED
O
TAPE A/B LED on/off control signal output terminal “H”: LED on, “L”: LED off
33
CD-LED
O
CD LED on/off control signal output terminal “H”: LED on, “L”: LED off
34
TUNER-LED
O
TUNER/BAND LED on/off control signal output terminal “H”: LED on, “L”: LED off
35
GROOVE
O
GROOVE LED on/off control signal output terminal “H”: LED on, “L”: LED off
36
NO USE
—
Not used (open)
37 to 58
S29 to S8
O
Segment drive signal output to the fluorescent indicator tube (FLD1)
59
VDD2
—
Power supply terminal (+5V)
60
VLOAD
—
Negative power supply
61 to 68
S7 to S0
O
Segment drive signal output to the fluorescent indicator tube (FLD1)
69 to 80
G11 to G0
O
Grid drive signal output to the fluorescent indicator tube (FLD1)
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