JVC AV-65WP74/HA, Руководство по обслуживанию

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AV-65WP74
(No.52096)1-11
2.3 TECHNICAL INFORMATION
2.3.1 MAIN MICRO COMPUTER (CPU) FUNCTION (MN102H75K)
Pin No. Pin name I/O Function
1 NC - --------
2 /MICON_V I V.sync for OSD
3 LB_PRO I Low B protection detection
4 NC - --------
5 /RST I Main cpu reset input
6 NC - --------
7 /TEST I +3.3V
8 OSD_YS O OSD Ys output
9 NC - --------
10 NC - --------
11 A_MU O Audio muting
12 /MICON_H I H sync input
13 M_MU O Monitor sound out MUTE
14 P46,OSDXI - Keep for OSD
15 P45,OSDXO - Keep for OSD
16 SDA2 I/O I
2
C bus (CLK) for MTS
17 AC_IN I AC (60Hz) input
18 SCL2 O I
2
C bus (DATA) for MTS
19 TU_POW O Tuner power control
20 VCOI I LPF input
21 PDO O LPF output
22 /IP_RESET O Reset
23 OSD_YM O OSD YM output
24 OSD_B O OSD blue output
25 POWER_LED O LED for power
26 OSD_G O OSD green output
27 OSD_R O OSD red output
28 VREF I --------
29 IP_ERR I AMDP program load det ect.
30 IREF I --------
31 COMP I --------
32 AVDD I +3.3V
33 CLL I For sub CCD
34 VREFLS I STD VOL for sub CCD
35 SUB_CCD I For sub CCD
36 NC - --------
37 VSS I GND
38 MAIN_CCD I For main CCD
39 VREFHS I STD VOL for main CCD
40 CLH I For main CCD
41 VDD/VPP O +3.3V
42 CLK SW1 O IP clock switch
43 CLK SW2 O IP clock switch
44 ON_TIM O LED for on timer
45 CONVER_RXD O Convergence control
46 CONVER TXD I Convergence control
47 SBT1 I --------
48 NC - --------
49 NC - --------
50 NC - --------
51 NC - --------
52 EE_ABL O ACL control
53 CHROMA O CHROMA
54 DC_COTL O DC control
55 NC - --------
56 NC - --------
57 TU2_AID I Main AFC input
58 /LOB_POW O LowB power control
59 COMPULINK I AV COMPULINKáVinput
60 /POWERGOOD I Power condition check
61 MECA_ON I Machine SW interrupt
62 /MAIN_POW O Main power control
63 NC - --------
64 /B1 POW O B1 power control
65 C/N I NC
66 X_RAY I X-ray protection detection
67 NC - --------
68 KEY2 I Front key input 2
69 KEY1 I Front key input 1
70 SCL1 O I2C bus (CLK) for EEP-ROM
71 SDA1 I/O I2C bus (SDA) for EEP-ROM
72 REMO I Remote control input
73 NC - --------
74 VSS I GND
75 OSC2 O 4MHz OSC
76 OSC1 I 4MHz OSC
77 VDD I +3.3V
78 SCL0 O I
2
C bus (CLK) for general
79 AP_CLK - --------
80 SDA0 I/O I
2
C bus (SDA) for general
81 NC - --------
82 NC - --------
83 NC - --------
84 P_MU O Picture muting
Pin No. Pin name I/O Function