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42
TCM810
KEYBOARD: U214
AT24C16
KEYBOARD: U210
SDA
VSS
SCL
WC
VCC
/ E2
M24Cxx
1
2
3
4
8
7
6
5
/ E2
/ E2
/ E2
NC
/ E1
/ E1
/ E1
/ NC
NC
/ E0
/ E0
/ NC
/ NC
NC
/1Kb
/2Kb
/4Kb
/8Kb
16Kb
VCC
RESET**(RESET)
GND
TCM809
x
ENB
TCM810
x
ENB
1
2
3
*3-P
in SOT-23B
NOTE: *3-Pin SOT-23B is equivalent to JEDEC TO-236
** () is for TCM810
74HCU04
DIGITAL BOARD: U1201 & U1202
1A
1Y
2A
2Y
3A
3Y
GND
1
2
3
4
5
6
7
14
13
12
11
10
9
8
6A
V
CC
6Y
5A
5Y
4A
4Y
74HC251
DIGITAL BOARD: U1203
PIN4 D0
W PIN6
Y PIN5
PIN8 GND
PIN16 VCC
PIN7 STROBE
S0
PIN3 D1
S1
PIN2 D2
S2
PIN1 D3
S3
PIN15 D4
S4
PIN14 D5
S5
PIN13 D6
S6
PIN12 D7
PIN11 A
PIN10 B
PIN9 C
S7
S0
S0
S1
S1
S2
S2
S3
S3
S4
S4
S5
S5
S6
S6
S7
S7
Содержание T 743
Страница 1: ...NAD SERVICE MANUAL T 743 T 743 A V Receiver A V Receiver DRAFT DATE 12 MAR 2004 ...
Страница 2: ...2 SAFETY INFORMATION ...
Страница 9: ...9 BLOCK DIAGRAM ...
Страница 12: ...12 PCB LAYOUT AUDIO BOARD POWER SUPPLY STANDBY POWER SWITCH ...
Страница 13: ...13 COMPOSITE VIDEO BOARD COMPONENT SIDE COMPOSITE VIDEO BOARD COPPER SIDE ...
Страница 15: ...15 DSP BOARD COPPER SIDE DSP BOARD COMPONENT SIDE ...
Страница 16: ...16 FRONT CENTER AMPLIFIER BOARD ...
Страница 17: ...17 SURROUND AMPLIFIER BOARD ...
Страница 18: ...18 KEYBOARD COMPONENT SIDE COPPER SIDE ...
Страница 19: ...19 MAIN BOARD ...
Страница 20: ...20 MULTI CHANNEL BOARD COMPONENT SIDE COPPER SIDE ...
Страница 21: ...21 PRE OUT BOARD COPPER SIDE PRE OUT BOARD COMPONENT SIDE COPPER SIDE ...
Страница 22: ...22 SPEAKER TERMINAL BOARD TRIGGER BOARD VIDEO 6 BOARD POWER SUPPLY SECONDARY LED BOARD ...
Страница 23: ...23 S VIDEO BOARD COMPONENT SIDE S VIDEO BOARD COPPER SIDE ...
Страница 34: ...34 SPEAKER A B RS 232 ...
Страница 35: ...35 DIGITAL IN OUT ...
Страница 46: ...46 M61516FP MULTI CHANNEL BOARD U601 ...
Страница 65: ...65 SERVICE MANUAL T 743 A V Receiver NAD ELECTRONICS LTD LONDON ...