Nad T 532 AH Service Manual
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Extracted text from Nad T 532 AH Service Manual (Ocr-read)
Page 1
CONTENTS SECTION 1 . . . . SUMMARY SECTION 2 . . . . CABINET & MAIN CHASSIS SECTION 3 . . . . ELECTRICAL SECTION 4 . . . . MECHANISM SECTION 5 . . . . REPLACEMENT PART LIST
Page 2
SECTION 1SUMMARY CONTENTS PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS ........................... 1-3 SERVICING PRECAUTIONS ........................................................................\ .......................... 1-4 - General Servicing Precautions - Insulation Checking Prodedure - Electrostatically Sensitive Devices SPECIFICATIONS ........................................................................\ .............................................. 1-5
Page 8
2-3 Interface Board Main Circuit Board (B) (B) (B) (B) (B)(B) (B) (B) (B) (B) (B) (C) Key Circuit Board (D) (D) (D) Fig. 2-4 Fig. 2-5 1. Disassembling of Main Circuit Board and Interface Board 1. Remove the top case.(See Fig. 2-1) 2. Remove 14 screw (B). 3. Remove the Deck from Main Circuit Board. 4. Remove Main Circuit Board from Interface Board. 5. Remove 2 screw (C). 6. Remove Interface Board from the chassis. CIRCUIT BOARD DISASSEMBLY Note: Before removing the main circuit board, be sure to shortcircuit the lase\ rdiode output land. After replacing the main circuit board, open the land after inserting th\ e flexible connector. (Refer to Mechanism Disassembly) 2. Digitron and Key Circuit Board 1. Remove the front panel.(See Fig. 2-3) 2. Release 3 screws (D), and remove the digitron circuit board.
Page 31
3-25 3-26
- WAVEFORMS
IC2A1 Pin 39, Focus Error
IC2A1 Pin 38, PE
IC2A1 Pin 36
Tracking Error
IC501 Pin 114
Component Y
IC2A1 Pin 36
VBR TRACKING Error
Q2A6 Collector output(TP2AO)
RF
IC201 Pin 80, SLED FG
IC201 Pin 154, SLED FMO
IC2A1 Pin39, Focus Error(in Focus Search)
IC201 Pin 88, Focus Drive(FDO)
IC501 Pin 118, Composite
IC501 Pin 112, Chrominance
(Super video out Mode)
Te kStop : 2.50MS/s
4 Acqs
M20.0µs
2 Apr 1999
14:47:27
Glitch
Ch1
Ch3 500mV
[T ]
T
3
IC501 Pin 114, Luminance
(Super video out Mode)
Tek Stop : 1 00kS/s
3290 Acqs
M 500µs CH1
280/mVEdge Slope Type
Page 47
MEMO MEMO
Page 61
5-14 S AL LOCA.NO PART NO(LG)ABCDDESCRIPTION SPECIFICATION REMARKS R960 0RD1003F608 OOOORESISTOR,FIXED CARBON FILM 100K OHM 1/6 W 5.00% TA26 R961 0RD1003F608 OOOORESISTOR,FIXED CARBON FILM 100K OHM 1/6 W 5.00% TA26 R969 0RD1003F608 OOOORESISTOR,FIXED CARBON FILM 100K OHM 1/6 W 5.00% TA26 R970 0RD1003F608 OOOORESISTOR,FIXED CARBON FILM 100K OHM 1/6 W 5.00% TA26 R971 0RD1003F608 OOOORESISTOR,FIXED CARBON FILM 100K OHM 1/6 W 5.00% TA26 R972 0RD1003F608 OOOORESISTOR,FIXED CARBON FILM 100K OHM 1/6 W 5.00% TA26 R973 0RD1003F608 OOOORESISTOR,FIXED CARBON FILM 100K OHM 1/6 W 5.00% TA26 R974 0RD1003F608 OOOORESISTOR,FIXED CARBON FILM 100K OHM 1/6 W 5.00% TA26 R975 0RD1003F608 OOOORESISTOR,FIXED CARBON FILM 100K OHM 1/6 W 5.00% TA26 R976 0RD1003F608 OOOORESISTOR,FIXED CARBON FILM 100K OHM 1/6 W 5.00% TA26 R977 0RD1003F608 OOOORESISTOR,FIXED CARBON FILM 100K OHM 1/6 W 5.00% TA26 R978 0RD1003F608 OOOORESISTOR,FIXED CARBON FILM 100K OHM 1/6 W 5.00% TA26 R979 0RD1003F608 OOOORESISTOR,FIXED CARBON FILM 100K OHM 1/6 W 5.00% TA26 R980 0RD1003F608 OOOORESISTOR,FIXED CARBON FILM 100K OHM 1/6 W 5.00% TA26 R981 0RD1003F608 OOOORESISTOR,FIXED CARBON FILM 100K OHM 1/6 W 5.00% TA26 RC901 6712R1938GA OOOOREMOTE CONTROLLER RECEIVER TSOP2838WE1 VISHAY(TEMIC) 37- REMOCON RECEIVER RC901 6712R1938GA OOOOREMOTE CONTROLLER RECEIVER TSOP2838WE1 VISHAY(TEMIC) 37- SENSOR IC102 657-063A OOOOSENSOR LTV-817B,PHOTO COUPLER(LITEON) SWITCH SW601 6600R-SH02A O O SWITCH,SLIDE SKQ-23D15-G5-NA LUPFUNG DC 30 SW602 6600R-SH18A OOOOSWITCH,TACT CSS-4206 CHANG SHIN NON DC 30V SW902 556-219B OOOOSWITCH,TACT THVV502GAA POSTECH DC 12 V 5- SW903 556-219B OOOOSWITCH,TACT THVV502GAA POSTECH DC 12 V 5- SW904 556-219B OOOOSWITCH,TACT THVV502GAA POSTECH DC 12 V 5- SW905 556-219B OOOOSWITCH,TACT THVV502GAA POSTECH DC 12 V 5- SW906 556-219B OOOOSWITCH,TACT THVV502GAA POSTECH DC 12 V 5- SW907 556-219B OOOOSWITCH,TACT THVV502GAA POSTECH DC 12 V 5- SW908 556-219B OOOOSWITCH,TACT THVV502GAA POSTECH DC 12 V 5- SW910 556-219B OOOOSWITCH,TACT THVV502GAA POSTECH DC 12 V 5- SW911 556-219B OOOOSWITCH,TACT THVV502GAA POSTECH DC 12 V 5- SW912 556-219B OOOOSWITCH,TACT THVV502GAA POSTECH DC 12 V 5- SW913 556-219B OOOOSWITCH,TACT THVV502GAA POSTECH DC 12 V 5- SW914 556-219B OOOOSWITCH,TACT THVV502GAA POSTECH DC 12 V 5- SW915 556-219B OOOOSWITCH,TACT THVV502GAA POSTECH DC 12 V 5- SW916 556-219B OOOOSWITCH,TACT THVV502GAA POSTECH DC 12 V 5- SW919 6600RRT001T OOOOSWITCH,TACT THVH471BAA POSTECH 12V DC 50MA VARIABLE RESISTOR CRYSTAL X201 6202R-BM04C OOOORESONATOR,CRYSTAL HC-49/S BUBANG 33-8688MHZ 5 X501 6202R-BL06C OOOORESONATOR,CRYSTAL HC-49/S BUBANG 27MHZ 20PPM 1 X901 6212BA3004C OOOORESONATOR,CERAMIC CRTL6.00MS0T CORETECH 6MHZ +/- ZENER DIODE ZD101 0DZ562609AA OOOODIODE,ZENER GDZJ5.6B 26MM TP GRANDE DO34 ZD605 0DZ332609FB OOOODIODE,ZENERS GDZJ3.3B 26MM GRANDE TP26 DO34 ZD606 0DZ332609FB OOOODIODE,ZENERS GDZJ3.3B 26MM GRANDE TP26 DO34 ZD611 0DZ332609FB O O DIODE,ZENERS GDZJ3.3B 26MM GRANDE TP26 DO34 ZD635 0DZ332609FB OOOODIODE,ZENERS GDZJ3.3B 26MM GRANDE TP26 DO34 ZD637 0DZ332609FB OOOODIODE,ZENERS GDZJ3.3B 26MM GRANDE TP26 DO34 ZD639 0DZ562609AA O O DIODE,ZENER GDZJ5.6B 26MM TP GRANDE DO34 ZD640 0DZ562609AA O O DIODE,ZENER GDZJ5.6B 26MM TP GRANDE DO34 ZD641 0DZ332609FB O O DIODE,ZENERS GDZJ3.3B 26MM GRANDE TP26 DO34 ZD643 0DZ332609FB O O DIODE,ZENERS GDZJ3.3B 26MM GRANDE TP26 DO34 CIRCUIT BOARD ASSY & CONNECTOR P4301 6630R-BE024 OOOOCONNECTOR (CIRC),BOARD TO BOAR 2254-30P-T/JE611-A2T-30T POWER P5402 6630R-BE034 OOOOCONNECTOR (CIRC),BOARD TO BOAR 2254-30S-T/JE611-B2G-30R POWER P5901 6630R-BE034 OOOOCONNECTOR (CIRC),BOARD TO BOAR 2254-30S-T/JE611-B2G-30R POWER