Sony HCD-RG550 / HCD-RG660 / MHC-RG550 / MHC-RG660 Service Manual ▷ View online
21
HCD-RG550/RG660
SECTION 5
DIAGRAMS
5-1. IC PIN DESCRIPTIONS
• IC309 BU2099FV (MULTI CONTROLLER) (MAIN BOARD)
Pin No.
Pin Name
I/O
Pin Description
1
VSS
—
Ground pin
2
NC
—
Not used. (Open)
3
DATA
I
Serial data input from the tape mechanism controller
4
CLOCK
I
Serial data transfer clock signal input from the system controller
5
LCK
I
Serial data latch pulse clock signal input from the system controller
6
REC
O
Recording on/off control signal output “L”: recording
7
BIAS
O
Recording bias on/off control signal output “L”: bias on
8
A/B
O
Deck-A/B selection signal output to the deck-A/B select switch
“L”: deck-B, “H”: deck-A
9
PB MUTE
O
Playback muting on/off control signal output to the recording/playback equalizer
amplifier “H”: muting on
10
REC MUTE
O
Recording muting on/off control signal output to the recording/playback equalizer
amplifier “L”: muting on
11
TUNER MUTE
O
Tuner muting on/off control signal output to the tuner unit “H”: muting on
12
LM-R (CD)
O
Loading motor drive signal output
13
LM-L (CD)
O
Loading motor drive signal output
14
TM-R (CD)
O
Table motor drive signal output
15
TM-L (CD)
O
Table motor drive signal output
16
SP RERAY
O
Front speaker on/off relay drive control signal output “L”: front speaker on
17
LINK/MATRIX
O
Surround speaker on/off relay drive control signal output “H”: surround speaker on
18
SO
O
Serial data output to the bass boost controller
19
OE
—
Not used. (Connect to ground.)
20
VDD
—
Power supply pin (+3.3 V)
22
HCD-RG550/RG660
• IC310 BU2099FV (BASS BOOST CONTROLLER) (MAIN BOARD)
Pin No.
Pin Name
I/O
Pin Description
1
VSS
—
Ground pin
2
NC
—
Not used. (Open)
3
DATA
I
Serial data input from the multi controller
4
CLOCK
I
Serial data transfer clock signal input from the system controller
5
LCK
I
Serial data latch pulse clock signal input from the system controller
6 to 8
NC
—
Not used. (Open)
9
MOTOR VCC
O
Motor power control signal output “L”: motor power on
10
SOL A
O
SOL-A control signal output
11
SOL B
O
SOL-B control signal output
12
LINE OUT MUTE
O
Line out mute signal output terminal “H”: mute on
13
CD MUTE
O
CD mute signal output terminal “H”: mute on
14 to 16
CONT 1 to 3
O
Bass boost control signal output “H”: bass boost
17
NC
—
Not used. (Open)
18
SO
O
Serial data output Not used. (Open)
19
OE
—
Not used. (Connect to ground.)
20
VDD
—
Power supply pin (+3.3 V)
23
HCD-RG550/RG660
• IC601 LC876696B-51Y1-E (SYSTEM CONTROL, FLD CONTROL) (PANEL BOARD)
Pin No.
Pin Name
I/O
Pin Description
1
SYS MUTE
O
System mute signal output
2
BU1924 DATA
I
Not used in this set. (Connected to ground.)
3
PWR DOWN
I
Power down signal input
4
LC78646 RESET
O
CD reset signal output
5
LC78646 CE
O
CD CE signal output
6
LC78684 CE (MP3)
O
CD CE (MP3) signal output
7
M61519 CLK
O
Clock signal output
8
BU2099FV LCK
O
LCK signal output
9
LC72121 CE
O
CE signal output
10
LC78684 SYNC
I
SYNC signal input
11
RESET
I
Reset signal input from the IC603
12
XT1
I
Oscillater connect pin (32.768 kHz)
13
XT2
O
Oscillater connect pin (32.768 kHz)
14
VSS1
—
Ground pin
15
CF1
I
Ceramic vibrator connect pin (8.64 MHz)
16
CF2
O
Ceramic vibrator connect pin (8.64 MHz)
17
VDD1
—
Power supply pin (+3.3 V)
18
TAPE A STAT
I
Tape A start signal input
19
TAPE B STAT
I
Tape B start signal input
20
CD ENCODER
I
CD encoder switch signal input
21
SW ON/OFF SENSOR
I
Switch control on/off signal input
22
STREAM IN
I
Stream in signal input
23
VACS
I
VACS signal input
24
KEY2
I
Key signal input 2
25
KEY1
I
Key signal input 1
26
KEY0
I
Key signal input 0
27
PROTECTOR (HOLD)
I
Protector (Hold) signal input
28
REMOCON IN
I
Remote control signal input from the RM601
29
BU1924 CLK
I
Not used in this set. (Connected to ground.)
30 – 41
G12 – G1
O
FLD control signal output
42 – 45
P1 – P4
O
FLD control signal output
46
VDD3
—
Power supply pin (+3.3 V)
47 – 50
P5 – P8
O
FLD control signal output
51
VPP
—
Ground pin
52 – 55
P9 – P12
O
FLD control signal output
56
SW1 (a) P13
O
FLD control signal output
57
SW2 (b) P14
O
FLD control signal output
58
SW3 (c) P15
O
FLD control signal output
59
SW4 (d) P16
O
FLD control signal output
60
SW5 P17
O
FLD control signal output
61
SW6 P18
O
FLD control signal output
62
SW7 P19
O
FLD control signal output
63
SW8 P20
O
FLD control signal output
64, 65
P21, P22
O
FLD control signal output
66
ENTER LED
O
Not used in this set. (Open)
67
MD/VIDEO LED
O
GAME LED (LED610) drive signal output
68
GAME LED
O
MD/VIDEO LED (LED612) drive signal output
69
TAPE LED
O
TAPE A/B LED (LED609) drive signal output
70
TUNER LED
O
TUNER/BAND LED (LED608) drive signal output
71
CD LED
O
CD LED (LED607) drive signal output
72
VDD4
—
Power supply pin (+3.3 V)
73
CD VDD
O
CD power control signal output
24
HCD-RG550/RG660
Pin No.
Pin Name
I/O
Pin Description
74
TUNER TUNED
I
Tuner tuning signal input from the tuner unit
75
TUNER STEREO
I
Tuner stereo signal input from the tuner unit
76
CD DRF
I
CD DRF signal input
77
CD WRQ
I
CD WRQ signal input
78
CD NUMBER SENSOR
I
CD number sensor signal input
79
TAPE AMS IN
I
Tape AMS signal input
80
VR ENCODER A
I
VR encoder (VR601) signal input
81
VR ENCODER B
I
VR encoder (VR601) signal input
82
TAPE REEL A
I
Tape reel A signal input
83
TAPE REEL B
I
Tape reel B signal input
84
MODE SW IN
I
Mode switch signal input
85
STREAM 1 LED
O
Stream LED drive signal output
86
STREAM 2 LED/CD MUTE
O
Stream LED drive signal output
87
STREAM 3 LED
O
Stream LED drive signal output
88
STREAM 4 LED/
O
Stream LED drive signal output
MECHA VCC
89
VSS2
—
Ground pin
90
VDD2
—
Power supply pin (+3.3 V)
91
STREAM 5 LED/
O
Stream LED drive signal output
TAPE SOL A
92
STREAM 6 LED/
O
Stream LED drive signal output
TAPE SOL B
93
POWER LED
O
POWER LED (LED614) drive signal output
94
POWER RELAY
O
Power relay signal output
95
LC72121/M61529/
O
Serial data signal output
BU2099FV DO
96
LC72121 DI
I
Serial data signal input
97
LC72121/BU2099FV CLK
O
Serial clock signal output
98
LC78646/LC78684 DO
O
Serial data signal output
99
LC78646/LC78684 DI
I
Serial data signal input
100
LC78646/LC78684 CLK
O
Serial clock signal output
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