Sony CMT-SP55TC, Руководство по обслуживанию

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ST-SP55
10 10
1 DP_DATA O LCD data output.
2 DP_CLK O LCD clock output.
3 DP_CS O LCD chip STB signal output.
4 BL_DIMMER O LCD back light bright signal output. (H: BRIGHT, L: DARK)
5 N.C — Not used.
6 N.C — Not used.
7 N.C — Not used.
8 BYTE — Connected to ground.
9 GND — Connected to ground.
10 XC IN I SUB CLOCK input. (32.768kHz)
11 XC OUT O SUB CLOCK output. (32.768kHz)
12 RESET I System master reset input.
13 X-OUT O MAIN SYSTEM CLOCK output. (10MHz)
14 VSS — Ground
15 X-IN I MAIN SYSTEM CLOCK input. (10MHz)
16 VCC — Power supply. (EVER +5V)
17 NMI I PULL UP (EVER +5V)
18 ST_MUTE O ST MUTE singal output.
19 SCOR I CD Q-data request signal input.
20 RDS-INT I RDS clock signal input.
21 RDS-DATA I RDS data signal input.
22 AC OUT I TA AC interrupt signal input. (H: AC ON, L: AC OFF)
23 STEREO I ST STEREO signal input. (L: STEREO)
24 TUNED I ST TUNED signal input. (L: TUNED)
25 ST_CE O ST PLL chip enable signal output.
26 ST_DOUT O ST PLL data signal output.
27 ST_DIN I ST PLL data signal input.
28 ST_CLK O ST PLL clock output.
29 IIC_CLK I/O IIC SCL output.
30 IIC_DAT I/O IIC SDA output.
31 TXD1 — Not used.
32 SQ DATA I CD SUBQ data input.
33 SQ CLK O CD SUBQ clock output.
34 LPC_HOLD O CD LPC hold output.
35 CD_DATA O CD data signal output.
36 N.C I Not used.
37 CD_CLK O CD clock output.
38 BD_PWR O CD_BD power control signal output. (H: ON, L: OFF)
39 LOAD_OUT O CD loading motor control signal output.
40 LOAD_IN O CD loading motor control signal output.
41 SENSE I CD SENSE signal input.
42 CD_XLAT O CD XLAT signal output.
43 PLAY_LED O CD PLAY LED signal output. (H: OFF, L: ON)
44 PAUSE_LED O CD PAUSE LED signal output. (H: OFF, L: ON)
45 to 50 N.C — Not used.
51 RO_MUTE_AUX O AUX out mute signal output. (H: MUTE OFF, L: MUTE)
52 to 57 N.C — Not used.
58 FUNC_INHIBIT O TA input select inhibit signal. (H: INHIBIT, L: NOT INHIBIT)
59 N.C O Not used.
60 FUNC2 O TA input select signal output.
61 FUNC1 O TA input select signal output.
62 VCC — Power Supply (EVER +5V)
63 N.C — Not used.
Function Pin Name Pin No.
3-7. IC PIN FUNCTIONS
• IC701 M30620MCA-A67FP MASTER CONTROL (MAIN BOARD)
64 VSS — Ground.
65 N.C — Not used.
66 N.C — Not used.
67 PCPON I Power ON signal from PC.
68 to 71 N.C — Not used.
72 DSG_ON O TA DSG off control signal output. (H: DSG OFF, L: DSG ON)
73 VOL_LAT O ST, “(IC401)” Volume latch.
74 VOL_CLK O ST, “(IC401)” Volume clock.
75 VOL_DATA O ST, “(IC401)” Volume data signal output.
76 PRE_MUTE O TA PRE MUTE signal output. (H: MUTE OFF, L: MUTE ON)
77 XHP_MUTE O TA headphone MUTE signal output. (H: MUTE OFF, L: MUTE ON)
78 ON/STANDBY O TA Power amp MUTE/Standby LED signal output. (H: ON, L: STANDBY)
79 PWR_RELAY O TA Standby relay signal output. (H: RELAY OFF, L: RELAY)
80 SP_RELAY O TA Speaker relay signal output.
81 N.C — Not used.
82 N.C — Not used.
83 DP_PWR O LCD power ON/OFF signal output. (H: OFF, L: ON)
84 ILL O LCD backlight ON/OFF signal output. (H: ON, L: OFF)
85 P_DOWN OUT O MD/TC power control signal output. (H: POW ON, L: STANDBY)
86 VOL_ENC_A I TA Volume encoder (A) signal input.
87 VOL_ENC_B I TA Volume encoder (B) signal input.
88 SIRCS I RM SIRCS signal input.
89 KEY0 I KEY A/D input. (For ST)
90 KEY1 I KEY A/D input. (For ST)
91 KEY2 I KEY A/D input. (For TA)
92 KEY3 I KEY A/D input. (For CDP)
93 NC — Not used.
94 NC I Not used (pull up).
95 CDM_SW I CD Loading switch input.
96 AD_GND — Analog ground.
97 DISTINATION I Distination signal input.
98 VREF — Analog Reference Voltage.
99 AVCC — Analog Power Supply.
100 NC — Not used.
Function Pin Name Pin No.
INH A B SEL FUNC
L L L 0 AUX (H)
L H L 1 AUX (L)
L L H 2 TAPE
L H H 3 GND
H X X NONE NONE