JVC AV-29L6SU Service Manual page 5

2.3 TECHNINAL INFORMATION
2.3.1 MAIN MI-COM (CPU) PIN FUNCTION
Pin No. Pin name I/O
1 T-V LINK_OUT O
2 MP_SW O
3 SUB MUTE O
4 TCK I
5 TDO O
6 TDI I
7 TMS I
8 RESETQ I
9 E3_R I
10 E3_L I
11 D_R I
12 D_L I
13 E1_R I
14 E1_L I
15 E2_R I
16 E2_L I
17 VREFAU I
18 VSUP8.0AU I
19 GNDA -
20 SGND -
21 D_R_OUT O
22 D_L_OUT O
23 R_OUT O
24 L_OUT O
25 HEADPHONE_R O
26 HEADPHONE_L O
27 SPEAKER_R O
28 SPEAKER_L O
29 SUBWOOFER O
30 VREFSIF I
31 SIF_IN+ I
32 SIF_IN- I
33 VSUP5.0 I
34 GNDA -
35 GND3.3DIG -
36 VSUP3.3DIG I
37 SPDIF_OUT O
38 I2S_DA_IN I
39 I2S_CL -
40 I2S_WS -
41 I2S_DEL_OUT O
42 I2S_DEL_IN I
43 I2S_DEL_CL -
44 I2S_DEL_WS -
45 VSUP3.3RAM I
46 GND3.3RAM -
47 DVS -
48 DEN -
49 DCLK -
50 DRI7 I
51 DRI6 I
Function
Data output for T-V LINK
External memory pack control [ON = L]
Not used
Clock for JTAG interface
Data output for JTAG interface
Data input for JTAG interface
Control signal for JTAG interface
CPU reset [Reset = L]
Audio input for EXT-3
Audio input for EXT-3
Not used
Not used
Audio input for EXT-1
Audio input for EXT-1
Audio input for EXT-2
Audio input for EXT-2
Reference voltage setting
8V power supply
GND
GND
Audio output for EXT-2
Audio output for EXT-2
Audio output for EXT-1
Audio output for EXT-1
Not used
Not used
Audio output for speaker/headphone
Audio output for speaker/headphone
Not used
Reference voltage setting
SIF for VHF/UHF tuner
SIF for VHF/UHF tuner
5V power supply
GND
GND
3.3V power supply
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
3.3V power supply
GND
Not used
Not used
Not used
Not used
Not used
Pin No. Pin name I/O
52 DRI5 I
53 DRI4 I
54 DRI3 I
55 DRI2 I
56 DRI1 I
57 DRI0 I
58 DGI7 I
59 DGI6 I
60 DGI5 I
61 DGI4 I
62 DGI3 I
63 DGI2 I
64 DGI1 I
65 DGI0 I
66 DBI7 I
67 DBI6 I
68 DBI5 I
69 DBI4 I
70 DBI3 I
71 DBI2 I
72 DBI1 I
73 DBI0 I
74 GND3.3DRI -
75 VSUP3.3DRI I
76 GND3.3COM -
77 VSUP3.3COM I
78 X'TALIN I
79 X'TALOUT O
80 CLKOUT O
81 VSO O
82 HSO O
83 SCL1 O
84 SDA1 I/O Data for I2C bus (for various devices)
85 GND3.3FL -
86 VSUP3.3FL I
87 AFC1 I
88 IDTV_POWER O
89 SCL0 O
90 SDA0 I/O Data for I2C bus (for E2PROM)
91 AUDIO MUTE O
92 SLEEP_ON/OFF O
93 OSDV I
94 OSDH I
95 GND3.3IO1 -
96 VSUP3.3IO1 I
97 OSDCLK I
98 OSDSW I
99 POWER_G I
100 PROTECTER I
101 POWER_ON/OFF O
102 ROTATION O
Function
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
GND
3.3V power supply
GND
3.3V power supply
20.25MHz oscillation for CPU system clock
20.25MHz oscillation for CPU system clock
Not used
Not used
Not used
Clock for I2C bus (for various devices)
GND
3.3V power supply
AFT voltage for VHF/UHF tuner
Not used
Clock for I2C bus (for E2PROM)
Audio output muting [Muting = H]
Power off by sleep timer [OFF = H]
V sync for OSD
H sync for OSD
GND
3.3V power supply
Not used
Not used
Not used
Abnormality detection [Emergent = L]
Main power on/off control [ON = L]
Screen tilt adjustment
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