Sony HCD-GRX9900 Service Manual page 46

Pin No. Pin Name
39 STBY LED
40 VC L+R/L–R
41 VC BYPASS
42 FL SW
43 STBY RELAY
44 BASS FREQ.
45 FUNC SEL1
46 FUNC SEL0
47 493-DATA
48 493-CLK
49 ST-MUTE
50 STEREO
51 TUNED
52 ST-CE
53 ST-DOUT
54 ST-DIN
55 ST-CLK
56
SENSE
57 HOLD
58 XLT
59 XRST
60 DISC-SENS
61 TBL-SENS
62 VCC
63 TBL-L
64 VSS
65 TBL-R
66 LOAD-OUT
67 LOAD-IN
68 to 70 ENC3 to ENC1
71 OUT-OPEN
72 B-TRG
73 A-TRG
*1 Disc tray turn motor (M701) control
Mode
Stop
Terminal
TBL-L (pin ^£) "H"
TBL-R (pin ^∞)
"H"
I/O
O
LED drive signal output of the I/u indicator (D804) "H": LED on (standby mode)
O
Virtual cinema L+R/L–R selection signal output terminal Not used (open)
O
Virtual cinema bypass control signal output terminal Not used (open)
Filament on/off selection signal output for the fluorescent indicator tube (FL601)
O
"L": on, "H": off Used for the HCD-RXD9 model only
Main power on/off control signal output terminal "L": standby mode, "H": power on
O
Used for the HCD-RXD9 model only
Sync bass frequency normal/high selection signal output to the M62493FP (IC101)
O
"L": sync bass off (normal), "H": sync bass high
O
Not used (open)
O
Not used (open)
O Serial data output to the M62493FP (IC101)
O
Serial data transfer clock signal output to the M62493FP (IC101)
O
Tuner muting control signal output to the FM/AM tuner unit "H": muting on
I
FM stereo detection signal input from the FM/AM tuner unit "L": stereo
I Tuning detection signal input from the FM/AM tuner unit "L": tuned
O
PLL chip enable signal output to the FM/AM tuner unit
O
PLL serial data output to the FM/AM tuner unit
I
PLL serial data input from the FM/AM tuner unit
O
PLL serial data transfer clock signal output to the FM/AM tuner unit
I Internal status detection monitor input from the CXD2587Q (IC101) on the CD block
O Laser power control signal output to the CXA2568M (IC103) on the CD block
O Serial data latch pulse output to the CXD2587Q (IC101) on the CD block
Reset signal output to the CXD2587Q (IC101) and BA5974FP (IC102) on the CD block
O
"L": reset
I
Disc status detection signal input from the disc sensor (IC703)
I
Disc tray status detection signal input from the disc tray sensor (IC702)
—
Power supply terminal (+5V)
O Motor drive signal output to the disc tray turn motor driver (IC701) "L" active *1
—
Ground terminal
O
Motor drive signal output to the disc tray turn motor driver (IC701) "L" active *1
O
Motor drive signal output to the disc tray slide motor driver (IC801) "H" active *2
O Motor drive signal output to the disc tray slide motor driver (IC801) "H" active *2
I
Detection signal input from the disc tray address detect rotary encoder (S811)
Detection signal input from the disc tray open/close detect switch (S801)
I
"L": open, "H": close
O
Deck-B side trigger plunger drive signal output terminal "H": plunger on
O
Deck-A side trigger plunger drive signal output terminal "H": plunger on
Counter-
Clockwise Brake
clockwise
"L" "H" "L"
"H" "L" "L"
Description
*2 Disc tray slide motor (M801) control
Mode
Terminal
LOAD-OUT (pin ^§)
LOAD-IN (pin ^¶)
– 70 –
Stop Table In Table Out
"L" "L" "H"
"L" "H" "L"
Brake
"H"
"H"