
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INDUCTORS
L1008-L1014
07-002-0132-90
IND CHOKE 10uH +/-10% AXIAL EC24-
100K
L1007
07-002-0134-90
IND CHOKE 22uH 10% AXIAL EC24-
220K
TACT SWITCH
S1001
11-007-0061-90
SW TACT 1P1T 50mA/12V VER H=5mm
RCA JACKS
M1005 M1006 M1007 M1008
15-003-0034-90
RCA JACK 1 ORANGE PCB MOUNT
GOLD
W/SHIELD
SMD ICS
U1020
01-004-0056-90
IC VOLT REG. LOW DROPOUT 3.3V 1A
SOT-223
LM1117S-3.3
U1034
01-004-0061-90
IC VOLT REG LOW DROPOUT 5.0V 1A
SOT-223
LM1117S-5.0
U1001
01-010-0024-90
IC D708E001BRFP266 FLOATING-
POINT DSP SMD 144 PINS S-PQFP-144
U1004
01-011-0032-90
IC FLASH MEMORY SMD 8M 3.3V
SST39VF800A-70-4C-EK
TSOP
U1003
01-011-0033-90
IC SDRAM 1M X 4 X 16BIT 133MHz SMD
54PIN TSOP(II) K4S641632K-T(U)C/L75
U1005*AH, U1005-1006*C,CT
01-012-0061-00
IC LOGIC 8-CHANNEL MULTIPLEXER
SOP
74HC251D
U1007 U1008
01-012-0065-00
IC LOGIC 8-STAGE SHIFT-AND-STORE
BUS REGISTER SMD SO16 HEF4094BT
U1018-1019
01-012-0066-00
IC LOGIC HEX INVERTER SMD SOP
74HCU04D
U1010 U1022
01-012-0068-90
IC LOGIC OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS 20PIN TSSOP
SN74LVC245APWER
U1011
01-012-0074-90
IC PWM CONTROL IC SOP8 TL5001CD
U1009
01-012-0083-90
IC LOGIC OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS SMD
SN74HCT245PWR
U1033 U1035 U1036
01-012-0088-90
IC LOGIC QUAD 2-INPUT
MULTIPLEXER WITH 3-STATE
OUTPUTS
SN74LVC257AD
U1023 U1027-1031
01-014-0041-00
IC AUDIO LOW NOISE OP-AMP SMD
NJM5532M
U1017
01-020-0022-90
IC AUDIO STEREO ADC PCM1802
SOP20
U1021
01-020-0023-90
IC SUPPLY-VOLTAGE SUPERVISORY
IC SOP6 TPS3103E12DBVR
U1002
01-020-0024-90
IC 192KHz DIGITAL AUDIO INTERFACE
RECEIVER 28PIN SOIC CS8416 -CS
U1032*AH
01-020-0030-90
IC XMDT IC BU9450KV VQFP48C
U1012-1016
01-027-0011-90
IC PCM1791A 24-BIT 192kHz AUDIO
STEREO DAC SMD 28 PIN SSOP
SMD RESISTORS
R1006 R1013 R1020 R1032 R1231
02-007-0042-00
RES SMD 1K OHM 0603 5%
R1242-1243*AH
R1022-1024 R1034
02-007-0134-00
RES SMD 4.7 OHM 0805 5%
R1316-1317 R1035*C,CT
02-007-0139-00
RES SMD 4.7K OHM 0603 5%
R1005 R1012 R1019 R1031 R1061
02-007-0140-00
RES SMD 47K OHM 0603 5%
R1071-1072
Summary of Contents for T 175
Page 1: ...NAD SERVICE MANUAL T 175 T 175 AV Tuner Pre Ampli er AV Tuner Pre Ampli er DRAFT DATE MAY 2008...
Page 9: ...9 WIRING DIAGRAM...
Page 11: ...11 BLOCK DIAGRAM...
Page 17: ...17 PCB LAYOUT DSP BOARD COPPER SIDE...
Page 18: ...18 DSP BOARD COMPONENT SIDE...
Page 19: ...19 KEY BOARD COMPONENT SIDE KEY BOARD COPPER SIDE...
Page 20: ...20 PRE OUT BOARD COPPER SIDE...
Page 21: ...21 PRE OUT BOARD COMPONENT SIDE...
Page 22: ...22 VOLUME BOARD COPPER SIDE...
Page 23: ...23 VOLUME BOARD COMPONENT SIDE...
Page 24: ...24 F VIDEO BOARD COPPER SIDE F VIDEO BOARD COMPONENT SIDE...
Page 25: ...25 MAIN BOARD COMPONENT SIDE...
Page 26: ...26 MAIN BOARD COPPER SIDE...
Page 27: ...27 TRIGGER BOARD COMPONENT SIDE TRIGGER BOARD COPPER SIDE...
Page 28: ...28 COMPONENT BOARD COMPONENT SIDE COMPONENT BOARD COPPER SIDE...
Page 29: ...29 VIDEO BOARD COPPER SIDE VIDEO BOARD COMPONENT SIDE...
Page 30: ...30 HDMI BOARD COPPER SIDE...
Page 31: ...31 HDMI BOARD COMPONENT SIDE...
Page 32: ...32 CONNECTOR 1 BOARD COMPONENT SIDE...
Page 33: ...33 CONNECTOR 1 BOARD COPPER SIDE...
Page 34: ...34 PSU STD BOARD COMPONENT SIDE...
Page 74: ...74 ATMEGA48 20 U2014 AT24C16 U2002...
Page 75: ...75 74HC00D U2015 74HC132 U2005 DSP D708E0001BRFP266 U1001...
Page 76: ...76 SST39VF800 U1004 K4S641632K U1003...
Page 78: ...78 SN74LVC245 U1010 U1022 TL5001CD U1011...
Page 79: ...79 SN74HCT245 U1009 SN74LVC257AD U1033 U1035 U1036...
Page 81: ...81 TPS3103 U1021 CS8416 U1002...
Page 82: ...82 BU9450 U1032 PCM1791A U1012 1016...
Page 83: ...83 HDMI XC9572XL U20 CM1213 8 U2 U11 U16 U24 U32 D2308 in Trigger...
Page 84: ...84 PCA9517 U5 PCF8574 U10 U201...
Page 85: ...85 PI3B16233 U9 U13 SN74AHCT244 U200...
Page 86: ...86 AD8061 U18 U22 U26 AD8063 U17 U21 U25 U27 U29 U30...
Page 87: ...87 MC141585DW U19...
Page 88: ...88 TMDS341 U15 U23...
Page 89: ...89 ADV7320 U28...
Page 90: ...90 ADV7403 U12 AD9388 U14...
Page 91: ...91 AD9389B U31 LM2575 VR3 VR4...
Page 92: ...92 LM1086 VR200 Composite S Video 74HC4051D U4103 4106 BA7660FS U4101 4102 U4001 in Component...
Page 93: ...93 Component 74HC4052D U4002 4003...
Page 94: ...94 Volume TPA6120A2DWP U6008...
Page 95: ...95 R2S15205FP U6001 6002...
Page 96: ...96 Trigger 74HC86D U2303 ST232BDR U2301 TPS2011A U2302...
Page 97: ...EXPLODED VIEW A...
Page 102: ...102 SERVICE MANUAL T175 AV Tuner Pre Ampli er NAD ELECTRONICS LTD LONDON...