JVC LT-32DA8BJ Service Manual

(No.YA509)1-11
2.5.2 MAIN CPU PIN FUNCTION [IC7001
: MAIN PWB]
Pin Pin name I/O Function
1 T-V LINK_OUT O Data output for T-V LINK
2POWER_G I
Not used : Low power voltage detection [NG = H]
3 PROTECTOR I Power abnormality detection [Emergent = H]
4 TCLK I Clock for JTAG interface
5 TDO O Data output for JTAG interface
6 TDI I Data input for JTAG interface
7 TMS I Control signal for JTAG interface
8 RESETQ I CPU reset [Reset = L]
9 E3_R I Audio input for EXT-3
10 E3_L I Audio input for EXT-3
11 DIN/D_R I Audio input for digital tuner/HDMI
12 DIN/D_L I Audio input for digital tuner/HDMI
13 E1_R I Audio input for EXT-1
14 E1_L I Audio input for EXT-1
15 E2_R I Audio input for EXT-2
16 E2_L I Audio input for EXT-2
17 VREFAU I Reference voltage setting
18 VSUP8.0AU I 8V power supply
19 GNDA - GND
20 SGND - GND
21 R2_OUT O Audio output for EXT-2
22 L2_OUT O Audio output for EXT-2
23 R_OUT O Audio output for EXT-1
24 L_OUT O Audio output for EXT-1
25 HEADPHONE_R O Audio output for headphone
26 HEADPHONE_L O Audio output for headphone
27 SPEAKER_R O Audio output for speaker
28 SPEAKER_L O Audio output for speaker
29 SUBWOOFER O Not used
30 VREFSIF I Reference voltage setting
31 SIF_IN+ I SIF for VHF/UHF tuner
32 SIF_IN- I SIF for VHF/UHF tuner
33 VSUP5.0 I 5V power supply
34 GNDA - GND
35 GND3.3DIG - GND
36 VSUP3.3DIG I 3.3V power supply
37 SPDIF_OUT O Not used
38 I2S_DA_IN I Not used
39 I2S_CL - Not used
40 I2S_WS - Not used
41 I2S_DEL_OUT O Not used
42 I2S_DEL_IN I Not used
43 I2S_DEL_CL - Not used
44 I2S_DEL_WS - Not used
45 VSUP3.3RAM I 3.3V power supply
46 GND3.3RAM - GND
47 VD_DV1 I V sync for HDMI
48 DE_DV1 I Data enable for HDMI
49 CLK_DV1 I Clock for HDMI
50 DV1_R7 I Pr input for HDMI
51 DV1_R6 I Pr input for HDMI
52 DV1_R5 I Pr input for HDMI
53 DV1_R4 I Pr input for HDMI
54 DV1_R3 I Pr input for HDMI
55 DV1_R2 I Pr input for HDMI
56 DV1_R1 I Pr input for HDMI
57 DV1_R0 I Pr input for HDMI
58 DV1_Y7 I Y input for HDMI
59 DV1_Y6 I Y input for HDMI
60 DV1_Y5 I Y input for HDMI
61 DV1_Y4 I Y input for HDMI
62 DV1_Y3 I Y input for HDMI
63 DV1_Y2 I Y input for HDMI
64 DV1_Y1 I Y input for HDMI
65 DV1_Y0 I Y input for HDMI
66 DV1_B7 I Pb input for HDMI
67 DV1_B6 I Pb input for HDMI
68 DV1_B5 I Pb input for HDMI
69 DV1_B4 I Pb input for HDMI
70 DV1_B3 I Pb input for HDMI
71 DV1_B2 I Pb input for HDMI
72 DV1_B1 I Pb input for HDMI
73 DV1_B0 I Pb input for HDMI
74 GND3.3DRI - GND
75 VSUP3.3DRI I 3.3V power supply
76 GND3.3COM - GND
77 VSUP3.3COM I 3.3V power supply
78 X'TALIN I 20.25MHz oscillation for CPU system clock
79 X'TALOUT O 20.25MHz oscillation for CPU system clock
80 CLKOUT O Not used
81 VSO O Not used
82 HSO O Not used
83 SCL1 O Clock for I
2
C bus (for HDMI)
84 SDA1 I/O Data for I
2
C bus (for HDMI)
85 GND3.3FL - GND
86 VSUP3.3FL I 3.3V power supply
87 AFC1 I AFT voltage for VHF/UHF tuner
88 DIN_PHOTO I For digital input protection
89 A_MU O
Speaker/headphone output muting [Muting = H]
90 PFC_POW O Not used : Power on/off control for PFC [ON = L]
91 DIN_INT I Interrupt request for HDMI
92 LCD_POW O Power on/off control for LCD drive [ON = L]
93 OSDV I Not used
94 OSDH I Not used
95 GND3.3IO1 - GND
96 VSUP3.3IO1 I 3.3V power supply
97 OSDCLK I Not used
98 OSDFSW I Not used
99 MAIN_POW O
Power on/off control for main power [ON = L]
100 IDTV_IRQ O Interrupt request for digital tuner
101 RXD I Data communication for digital tuner
102 TXD O Data communication for digital tuner
103 OSDB1 O Not used
104 OSDB0 O Not used
105 LB_POW O
Power on/off control for low bias line [ON = L]
106 REMOCON I Remote control sensor input
107 OSDG1 O Not used
108 OSDG0 O Not used
109 SDA0 I/O Data for I
2
C bus (for E2PROM)
110 SCL0 O Clock for I
2
C bus (for E2PROM)
111 OSDR1 O Not used
112 OSDR0 O Not used
113 GND3.3IO1 - GND
114 VSUP3.3IO1 I 3.3V power supply
115 DIN_HOTP O
Hotplug error detection for HDMI connector-1 [Error = L]
116 DIN_RST O Reset for HDMI [Reset = L]
117 MB_RES O Not used : Reset for MaxxBass [Reset = L]
118 PCS3 O Not used
119 POW_LED O POWER LED(green) lighting [ON = L]
120 DINHOTP2 O
Hotplug error detection for HDMI connector-2 [Error = L]
121 PCLK2 O Not used
122 PCLK1 O Not used
123 GND1.8DIG - GND
124 VSUP1.8DIG I 1.8V power supply
125 DBO1_0 O Not used
126 DBO1_1 O Not used
127 VSUP3.3LVDS I 3.3V power supply
128 LVDS_A3+ O LVDS data output for LCD panel
129 LVDS_A3- O LVDS data output for LCD panel
130 GND3.3LVDS - GND
131 LVDS_ACLK+ O LVDS clock output for LCD panel
132 LVDS_ACLK- O LVDS clock output for LCD panel
133 VSUP3.3LVDS I 3.3V power supply
134 LVDS_A2+ O LVDS data output for LCD panel
135 LVDS_A2- O LVDS data output for LCD panel
136 GND3.3LVDS - GND
137 LVDS_A1+ O LVDS data output for LCD panel
138 LVDS_A1- O LVDS data output for LCD panel
139 VSUP3.3LVDS I 3.3V power supply
140 LVDS_A0+ O LVDS data output for LCD panel
141 LVDS_A0- O LVDS data output for LCD panel
142 VSUP1.8LVDS I 1.8V power supply
143 REXT O Not used
144 GND1.8LVDS - GND
145 DGO1_8 O Not used
146 DGO1_9 O Not used
147 GND3.3LVDS - GND
148 DRO1_1 O Not used
149 LVDS_BCLK- O Not used
150 VSUP3.3LVDS I 3.3V power supply
151 DRO1_2 O Not used
152 DRO1_3 O Not used
153 GND3.3LVDS - GND
Pin Pin name I/O Function

JVC LT-32DA8BJ Specifications

General

Brand	JVC
Model	LT-32DA8BJ
Category	LCD TV
Language	English