Sony STR-NX5MD, Руководство по обслуживанию

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20 20
1 L+R I
Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC401)
(for VACS, non-stop signal)
2 BPF SL I
Spectrum analyzer drive (super low frequency) signal input from the spectrum analyzer
band-pass filter (IC401) (for 40 Hz)
3 F RELAY O Speaker protect relay drive signal output for the front side speaker “H”: relay on
4 R RELAY O Speaker protect relay drive signal output for the rear side speaker “H”: relay on
5 SIRCS I Remote control signal input from the remote control receiver (IC601)
6 LINE MUTE O Line muting on/off control signal output terminal “L”: muting on
7 DBFB O
DBFB normal/high selection signal output to the M62493FP (IC101)
“L”: DBFB high, “H”: DBFB low/off
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 (IC502) “L”: reset
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 WAKE UP O Wakeup control signal output to the CPU on the HMC-NX5MD “H” active
19 PHONES MUTE O Muting on/off control signal output terminal “L”: muting on Not used (open)
20 RDS INT I
RDS serial data transfer clock signal input from the tuner pack
(Used for the AEP, UK, G
*
, AED
*
and CIS models only)
21 RDS DATA I
RDS serial data input from the tuner pack
(Used for the AEP, UK, G
*
, AED
*
and CIS models only)
22 AC CUT I AC off detection signal input from the reset signal generator (IC502) “L”: AC cut checked
23 PL CLK O Not used (open)
24 PL DATA O Not used (open)
25 PL LAT O Not used (open)
26 STK POWER O Power amplifier on/off selection signal output terminal “L”: standby mode, “H”: on
27 SPEAKER PROTECT I
Protect on/off detection signal input from the speaker protect circuit
“L”: protect on, “H”: protect off
28 SOFT-TEST O Output terminal for the software test Not used (open)
29 IIC CLK I/O
Communication data reading clock signal input or transfer clock signal output with the CPU
on the HMC-NX5MD
30 IIC DATA I/O Communication data bus with the CPU on the HMC-NX5MD
31 TXD1 O Not used (open)
32 RXD1 I Not used (fixed at “L”)
33 CLK1 I Not used (fixed at “L”)
34 RTS1 O Not used (open)
35 LCD DATA O Serial data output to the liquid crystal display unit (LCD601)
36 RXD0 I Not used (fixed at “L”)
37 LCD CLK O Serial data transfer clock signal output to the liquid crystal display unit (LCD601)
38 493 LT O Serial data latch pulse output to the M62493FP (IC101)
39 CLOCK OUT O Output terminal for the clock signal check Not used (open)
40 VC L+R/L–R O Virtual cinema L+R/L–R selection signal output terminal Not used (open)
4-12. IC PIN FUNCTION DESCRIPTION
Pin No. Pin Name I/O Descriptions
• MAIN BOARD IC501 M30622MAA-A39FP (SYSTEM CONTROLLER )
41 XHOLD I Not used (fixed at “L”)
42 LCD SW O
Liquid crystal display on/off selection signal output terminal “L”: on, “H”: off
Not used (open)
43 STBY RELAY O
Main power on/off control signal output terminal “L”: standby mode, “H”: power on
(Used for the AEP, UK, G
*
, AED
*
and CIS models only)
44 BASS FREQ O
Sync bass frequency normal/high selection signal output to the M62493FP (IC101)
“L”: sync bass off (normal), “H”: sync bass high Not used (open)
45 OPT SEL O Not used (open)
46 XWR I Not used (fixed at “H”)
47 493 DATA O Serial data output to the M62493FP (IC101)
48 493 CLK O Serial data transfer clock signal output to the M62493FP (IC101)
49 ST MUTE O Tuner muting control signal output to the tuner pack “H”: muting on
50 STEREO I FM stereo detection signal input from the tuner pack “L”: stereo
51 TUNED I Tuning detection signal input from the tuner pack “L”: tuned
52 ST CE O PLL chip enable signal output to the tuner pack
53 ST DOUT O PLL serial data output to the tuner pack
54 ST DIN I PLL serial data input from the tuner pack
55 ST CLK O PLL serial data transfer clock signal output to the tuner pack
56 VC BYPASS O Virtual cinema bypass control signal output terminal Not used (open)
57 PHONES DETECT I
Connection detect signal input of the headphone jack (J701)
“L”: no connected, “H”: headphone connected
58 LCD LAT O Serial data latch pulse output to the liquid crystal display unit (LCD601)
59 LCD A0 O Address signal output to the liquid crystal display unit (LCD601)
60 LCD RESET O Reset signal output to the liquid crystal display unit (LCD601) “L”: reset
61 NC O Not used (open)
62 VCC — Power supply terminal (+5V)
63 NC O Not used (open)
64 VSS — Ground terminal
65 to 67 NC O Not used (open)
68 TUNER MUTE O TUNER 5V ON/OFF SW
69 JOG B I Jog dial pulse input from the rotary encoder (S652 JOG) (B phase input)
70 JOG A I Jog dial pulse input from the rotary encoder (S652 JOG) (A phase input)
71 VOL B I Jog dial pulse input from the rotary encoder (S651 VOLUME) (B phase input)
72 VOL A I Jog dial pulse input from the rotary encoder (S651 VOLUME) (A phase input)
73 to 75 NC O Not used (open)
76 HMC POWER O HMC POWER detection
77, 78 NC O Not used (open)
79 LED FUNCTION O LED drive signal output of the key illumination indicator (D643 to D648) “H”: LED on
80 LED POWER O LED drive signal output of the I/1 indicator (D638) “H”: LED on
81 LED TIMER O
LED drive signal output of the TIMER indicator (D637) “H”: LED on
(Used for the AEP, UK, G
*
, AED
*
and CIS models only)
82 LED LCD O
LED drive signal output of the liquid crystal display back light indicator (D639 to D642)
“H”: LED on
83 LED ENTER O LED drive signal output of the ENTER indicator (D636) “H”: LED on
84 LED JOG O LED drive signal output terminal Not used (open)
85 LED CINEMA O LED drive signal output terminal Not used (open)
86 LED DOLBY O
LED drive signal output of the PRO LOGIC indicator (D633) “H”: LED on
Not used (open)
Pin No. Pin Name I/O Descriptions