JVC PD-Z35DV4 Service Manual page 8

2.3.2 CHASSIS CPU [DIGITAL SIGNAL PWB : IC7001] PIN FUNCTION
Pin
Pin name I/O
No.
1 NC O Not used
2 P_MU O Video muting [Muting : H]
3 FUNC_LED O Not used
4 A_MU O Audio muting [Muting : H]
5 M_MU O Monitor audio muting [Muting : H]
6 PC_SW O PC input select [ON : H]
7 DIMMER_LED O Power LED dimmer control [Low dimmer : L]
8 NC O Not used
9 NC O Not used
10 NC O Not used
11 POW_LED O Power LED control [ON : H]
12 NC O Not used
13 SBT2 I
14 SBI2 I
15 SBO2 O Data receive for main CPU communication
16 REQ O Request for main CPU communication
17 3.3V I
18 NC O Not used
19 GND -
20 3.3V I
21 NC O Not used
22 3.3V I
23 OSCI I
24 OSCO O 16MHz for system clock
25 3.3V I
26 NC O Not used
27 A92_RST O 3D YC separation reset [Reset : L]
28 NC O Not used
29 LIP_RST O Not used
30 NC O Not used
31 NC I
32 NC O Not used
33 MDR_CON I
34 3.3V I
35 NC O Not used
36 DsyncSW2 O Not used
37 NC O Not used
38 NC O Not used
39 HOTPLUG I
40 MECA_SW I
41 MAIN_POW O Main power control [ON : L]
42 MSP_RESET O Multi sound processor reset [Reset : H]
43 0V -
44 NC I
45 AFT1 I
46 NC I
47 NC I
48 NC O Not used
49 NC O Not used
50 NC I
51 NC O Not used
52 NC I
53 NC O Not used
54 3.3V I
55 PDP_TX O PDP communication for panel CPU
56 PDP_RX I
57 SDA0 I/O I
58 SCL0 O I
59 SDA_DVI I/O Not used
60 SCL_DVI I/O Not used
61 GND -
62 NC I
63 NC I
64 NC I
1-8 (No.YA101)
Function
Clock for main CPU communication
Data transmission for main CPU
communication
3.3V
GND
3.3V
3.3V
16MHz for system clock
3.3v
Not used
Not used
3.3V
Not used
Power switch monitor [ON : L]
GND
Not used
AFT detection [Detection : H]
Not used
Not used
Not used
Not used
3.3V
PDP communication for panel CPU
2 C bus data (for chassis memory)
C bus clock (for chassis memory)
2
GND
Not used
Not used
Not used
Pin
Pin name I/O
No.
65 NC I Not used
66 3.3V I 3.3V
67 NC O Not used
68 NC O Not used
69 NC O Not used
70 NC O Not used
71 NC O Not used
72 NC O Not used
73 SBD5 I/O Flash writing for chassis CPU
74 SBT5 I Flash writing for chassis CPU
75 3.3V I 3.3V
76 NC I Not used
77 REMOCON I Remote control
78 V_SYNC I Vertical sync
79 WAKEUP_SHM I Sleep state release for chassis CPU
[Relese : L]
80 POWERGOOD I Power error detection [Detection : H]
81 REC_LED O Stand-by power LED control [Stand-by :H]
82 RST I Chassis CPU reset [Reset : L]
83 3.3V I 3.3V
84 SCL3A O I
colour management / OSD composition /
RGB process, U / V frontend)
85 SDA3A I/O I
colour management / OSD composition /
RGB process, U / V frontend)
86 SCL3B O I
video / audio select, colour demod. /
sync sep., 3 line comb filter, component
video / audio select, sync sep. / SW /
detect)
87 SDA3B I/O I
/ audio select, colour demod. / sync sep.,
component video / audio select, sync sep. /
SW / detect)
88 NC O Not used
89 NC O Not used
90 NC O Not used
91 DVI_RST O Not used
92 GND - GND
93 SCL5055 O I
94 NC O Not used
95 SDA5055 I/O I
96 NC O Not used
97 NC O Not used
98 15K/OTH O Y signal select for 3D YC separation
[525i : H / other : L]
99 DsyncSW1 O Not used
100 JCC5057_BUSY I Busy for Colour management / RGB
prosess / OSD composition [Busy : H]
Function
C bus clock (for 3D YC separation,
2
C bus data (for 3D YC separation,
2
C bus clock (for multi sound process,
2
C bus data (for multi sound process, video
2
C bus clock (for DIST)
2
2 C bus data (for DIST)