JVC AV-65WP74/HA Service Manual page 11

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