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52
TUNER BOARD
U902: LC72723M
TUNER BOARD
U903: LC7218
Vdda
3
REFERENCE
VOLTAGE
ANTIALIASING
FILTER
DATA
DECODER
VREF
1
VREF
FLOUT
5
CIN
6
PLL
(57kHz)
CLOCK
RECOVERY
(1187.5Hz)
+
_
Vddd
11
Vssd
10
RDDA
14
RDCL
15
MODE
12
RST
13
RDS-ID/READY
16
Vssa
4
MPXIN
2
TEST
7
TEST
57kHz
BPF
(SCF)
SMOOTHING
FILTER
OSC
CLK(4.332MHz)
9
XIN
8
XOUT
RDS-ID
DETECT
RAM
(128bits)
21
22
16
15
20
23
8
7
17
14
13
12
11
10
9
5
4
3
2
18
19
24
1
6
XIN
FMIN
AMIN
CE
DI
CL
D0
OUT0 OUT1
XOUT
PHASE DETECTOR
CHARGE PUMP
REFERENCE
DIVIDER
SWALLOW COUNTER
1/16, 1/17 4 BIT
SHIFT REGISTER
LATCH
UNIVERSAL
COUNTER
1
2
12-BIT PROGRAMMABLE
DIVIDER
SYC
OUT2 OUT3 OUT4 OUT5 OUT6
IN0
IN1
V
SS
V
DD
LCTR
HCTR
PD2
PD1
Содержание T761
Страница 1: ...NAD SERVICE MANUAL T 761 SURROUND SOUND RECEIVER T 761S U R R O U N D SOUND RECEIVER ...
Страница 14: ...14 PCB LAYOUT SPEAKER BOARD PRIMARY BOARD LED BOARD SECONDARY BOARD AC OUTLET BOARD ...
Страница 15: ...15 DIGITAL IN BOARD S VIDEO BOARD DIGITAL OUT BOARD ...
Страница 16: ...16 PSU BOARD COMPONENT VIDEO BOARD ...
Страница 17: ...17 LOAD BOARD VOLUME BOARD Top View Bottom View SURROUND AMP BOARD VIDEO 5 BOARD ...
Страница 18: ...18 AC3 BOARD COMPONENT SIDE ...
Страница 19: ...19 AC3 BOARD SOLDER SIDE ...
Страница 20: ...20 FRONT AMP BOARD ...
Страница 21: ...22 21 KEY BOARD COMPONENT SIDE KEY BOARD SOLDER SIDE ...
Страница 22: ...23 24 MAIN BOARD VIDEO BOARD MULTI CHANNEL BOARD AUDIO BOARD POWER SWITCH BOARD ...
Страница 70: ...SERVICE MANUAL NAD 2001 NAD ELECTRONICS INTERNATIONAL TORONTO ...