Sony HCD-RG30 / MHC-DX20 / MHC-RG30 Service Manual ▷ View online
37
HCD-DX20/RG30
6-19. IC PIN FUNCTION DESCRIPTION
• MAIN BOARD IC401 M30622MCA-B23FP (MASTER CONTROL)
• MAIN BOARD IC401 M30622MCA-B23FP (MASTER CONTROL)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
I/O
O
O
I
I
O
O
O
—
—
I
O
I
O
—
I
I
I
I
I
I
I
O
I
I
O
O
I
O
—
—
—
I
I
I
O
—
O
O
O
O
O
O
O
O
O
I
I
I
I
—
Description
Serial data output the display control.
Serial clock output from main controller.
Busy signal input from the display control. “L” : busy
Pemoto commander input.
Data signal output for IC301(BH3878KS2)
Latch signal output for IC301(BH3878KS2)
Clock signal output for IC301(BH3878KS2)
Connected to ground.
Connected to ground.
SUB SYSTEM CLOCK input.(32.768MHz)
SUB SYSTEM CLOCK output.(32.768MHz)
System reset input.
MAIN SYSTEM CLOCK output.(16MHz)
Connected to ground.
MAIN SYSTEM CLOCK input.(16MHz)
Power supply.(+5V)
PULL UP.(EVER+5V)
AC CUT ON(L)/OF(H) CHECK.
CD Q-data request signal input.
RDS interrupt signal input.
RDS data signal input.
Tuner mute signal output.
STEREO detect signal input.L=ON,H=OFF
TUNER detect signal input.L=ON,H=OFF
TUNER chip eneble output.
TUNER data output.
TUNER data input.
TUNER clock signal output.
Not used.
Not used.
Not used.
Subcode Q data input(CD data).
Subcode Q clock input(CD clock).
BD condition signal input.
CD data output.
Not used.
CD clock output.
CD-POWER ON/OFF signal output.H=ON,L=OFF
Not used (open).
HOLD signal output.
Micom reset signal output to the display control. “L” : reset
CD latch signal output.
CD reset signal output.
Loading motor control signal output (Loading).
Loading motor control signal output (un Loading).
Tray open detect signal input.
Tray close detact signal input.
Pick-up up/down detect signal input.
CD table detect signal input.
Not used.
Pin Name
S-OUT
S-CLK
S-BSY
REMOTE IN
3878-DAT
3878-LAT
3848-CLK
BYTE
CN VSS
XC IN
XC OUT
RESET
X OUT
VSS
X IN
VCC
NMI
AC-CUT
RCOR
RDS-INT
RDS-DATA
ST-MUTE
SSTEREO(IN)
TUNER
ST-CE
ST-DOUT
ST-DIN
ST-CLK
VCD
VCD
NO USE
SQ-DAT IN
SQ-CLK
SENS
CD-DAT OUT
CAN’T-USE
CD-CLK
CD-POWER
CLOCK-OUT
HOLD
M-RESET
XLT
XRST
LOAD-IN
LOAD-OUT
OPEN
CLOSE
UP/DOWN
T-SENS
GAME/DVD
38
HCD-DX20/RG30
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
—
—
—
—
—
—
—
—
—
O
O
I
I
—
O
I
I
I
I
I
I
I
O
O
O
O
O
O
O
O
O
O
O
O
I
O
O
O
O
O
I
I
I
—
I
—
O
—
—
I
Description
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
A deck trigger control signal output.H=ON,L=OFF
B deck trigger control signal output.H=ON,L=OFF
Power supply.(+5V)
Not used.
Connected to ground.
Capstan motor REV/FWD/STOP control signal output.H=REV,L=FWD/STOP
Detection input from the deck-B rec forward detect switch. “L” : rec
Detection input from the deck-B rec reverse detect switch. “L” : rec
A deck hafe detect signal input.
B deck hafe detect signal input.
A deck play detect signal input.
B deck play detect signal input.
AMS signal input.L=ON,H=OFF
DISPLAY KEY control signal output.
POWER KEY control signal output.
BIAS ON/OFF signal output.H=ON,L=OFF
Playback deck A/B select signal output.H=High,L=Normal
Tape deck relay ON/OFF signal output.H=ON,L=OFF
PB mute ON/OFF signal output .H=ON,L=OFF
REC mute ON/OFF signal output .H=ON,L=OFF
Serial data latch pulse output to BH3878KS2 (IC301)
Serial data latch pulse output to BH3878KS2 (IC301)
Serial data latch pulse output to BH3878KS2 (IC301)
Line mute signsl output.L=ON,H=OFF
Power amplifier mute ON/OFF signal output.H=ON,L=OFF
Speaker protect signal input.L=ON,H=OFF
STANDBY relay control signal output.
Rear speaker relay control output.
Front speaker relay control output.
A deck reel pulse detect signal output.
B deck reel pulse detect signal output.
SP/VACS (tape) select signal input.
Destination setting terminal.
Version select signal input.
Not used
Tape recording level input.
Connected to ground.
POWER ON/OFF signal output.H=ON,L=OFF
Analog reference voltage.
Power supply.(+5V)
Serial data input the display control.
Pin Name
NO USE
CENT-MUTE
REAR-MUT
494-DAT
494-CLK
494-LT
SUR1
SUR2
SUR3
A-TRG
B-TRG
VDD
SOFT TEST
VSS
CAMP-CONT
B-REC FWD
B-REC REW
A-HAFE
B-HAFE
A-PLAY
B-PLAY
AMS-IN
DISPLAY KEY
POWER-KEY
BIAS
PB-A/B
TC-RELAY
PB-MUT
REC-MUT
SP-LATA
SP-LATB
SP-LATC
LINE-MUT
STK-MUT
PROTECT
STB-RELAY
REAR-RELAY
FRONT-RELAY
A-SHUT
B-SHUT
SP/VACS
MODE IN
SPEC-IN
VIDEO SW2
VACS
AVSS
POWER-KEY
AV-REF
AVCC
S-IN
39
HCD-DX20/RG30
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20 - 22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37 - 58
59
60
61 - 67
68 - 80
I/O
I
—
O
I
—
I
I
I
I
O
—
—
I
I
—
—
I
—
—
I
—
I
I
O
O
O
O
O
O
O
O
O
—
—
O
I
I
O
O
Description
Power supply.(+5V)
Connected to ground.
System clock output terminal.(5MHz)
System clock input terminal.(5MHz)
Connected to ground.
Reset signal input from main controller.
Serial clock input from main controller.
Serial data input from main controller.
Serial data output from main controller.
Busy signal output.
Not used.
Not used.
VOLUME A signal input.
VOLUME B signal input.
Not used.
Not used.
Headphone detect signal input. H=ON,L=OFF
Connected to ground.
Not used.
KEY input.(AD)
Connected to ground.
Power supply.(+5V)
Power supply.(+5V)
KARAOKE LED driver output.
GROOVE LED driver output.
ENTER LED driver output.
REC LED driver output.
GAME LED driver output.
MD(VIDEO) LED driver output.
TAPE LED driver output.
CD LED drover output.
TUNER LED driver output.
Not used.
Not used.
FL segment signal output.
Power supply.(+5V)
Power supply (-30V) at FL driver.
FL segment signal output.
FL gride output.
Pin Name
VDD
VSS
X1
X2
IC
RESET
S-CLK
S-IN
S-OUT
SBSY
NO USE
NO USE
VOL-A
VOL-B
NO USE
NO USE
HEADHONE
AVSS
NO USE
KEY2-KEY0
VSS
AVDD
VDD
DV5.1-LED
PRO-LED
ENTER-LED
REC-LED
GAME-LED
MO/VIDEO-LED
TAPE-LED
CD-LED
TUNER-LED
GROOVE
NO USE
S29-S8
VDD2
VLOOD
S7-S0
G11-G0
• PANEL BOARD IC701 UPD780232GC-031-8BT (DISPLAY CONTROL)
40
HCD-DX20/RG30
IC101 CXD2587Q (BD BOARD)
TE
RFDC
CE
IGEN
AVSS0
ADIO
AVDD0
CLTV
FILO
AVSS3
VSS
AVDD3
DOUT
VDD
PCO
FILI
ASYO
ASYI
RFAC
BIAS
SSTP
DFCT
MIRR
MDP
LOCK
FOK
SFDR
VSS
TEST
FRDR
FE
VC
VC
COUT
SE
XTSL
TES1
SRDR
TFDR
FFDR
TRDR
TRDR
2
1
70
71
68
69
66
67
64
65
62
61
63
73
74
72
75
76
77
78
79
80
4
XRST
3
SQCK
SQSO
5
9
8
7
6
56
60
53
54
55
59
57
58
51
52
48
49
50
47
44
45
46
43
41
42
XLAT
CLOK
SENS
SYSM
DATA
XUGF
XPCK
GFS
C2PO
WFCK
10 11 12 13 14 15 16 17 18 19 20
21
22
23
24
25
26
32
33
30
31
36
37
34
35
39
40
38
28
27
29
SPOA
ATSK
SCLK
VDD
SCOR
SPOB
XLON
XTAI
XVDD
EMPH
AVDD1
AOUT1
AIN1
XTAO
XVSS
XVSS
AIN2
AOUT2
AVDD2
RMUT
LOUT2
LOUT1
BCK
LRCK
PCMD
LMUT
AVSS1
AVSS2
CPU
INTERFACE
SERVO AUTO
SEQUENCER
SERIAL IN
INTERFACE
OVER SAMPLING
DIGITAL FILTER
3rd ORDER
NOISE SHAPER
PWM
PWM
EFM
DEMODULATOR
TIMING
LOGIC
DIGITAL
OUT
D/A
INTERFACE
DIGITAL
PLL
ASYMMETRY
CORRECTION
CORRECTION
CLOCK
GENERATOR
MIRR, DFCT,
FOK
DETECTOR
DIGITAL
CLV
SUBCODE
PROCESSOR
SERVO
INTERFACE
SERVO DSP
FOCUS
SERVO
SERVO
TRACKING
SERVO
SLED
SERVO
PWM GENERATOR
FOCUS PWM
GENERATOR
TRACKING
PWM GENERATOR
SLED PWM
GENERATOR
16K
RAM
ERROR
CORRECTOR
INTERNAL BUS
A/D
CONVERTER
OPERATIONAL
AMPLIFIER
ANALOG SWITCH
6-20. IC BLOCK DIAGRAMS
IC102 BA5974FP-E2 (BD BOARD)
LEVEL SHIFT
INTERFACE
INTERFACE
INTERFACE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
20
21
22
23
24
25
26
27
28
19
18
17
16
15
F
R
R
F
F
R
R
F
R
R
F
F
MUTE
THERMAL
SHUTDOWN
VREFOUT
VREFIN
POWVCC
CH1FIN
CH1RIN
CH2FIN
CH2RIN
CH2OUTR
CH2OUTF
CH1OUTR
CH1OUTF
CAPAIN1
CAPAIN2
GND
PRFVCC
MUTE
POWVCC
CH4SIN'
CH4SIN
CH4BIN
CH3FIN
CH3RIN
CH3OUTR
CH3OUTF
CH4OUTR
CH4OUTF
CAPAIN3
GND
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