Nad C 442 Service Manual
This is the 28 pages manual for Nad C 442 Service Manual.
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Extracted text from Nad C 442 Service Manual (Ocr-read)
Page 2
SERVICE SAFETY PRECAUTIONS
1. Safety check out
(Only U.S.A. model)
Before returning the product to the customer, make leakage current or resistance measurements
to determine that exposed parts are acceptably insulated from the supply circuit.
Parts marked with the symbol A are critical with regard to the risk of fire and electric shock.
Replace only with parts recommended by the manufacturer.
CONTENTS
DESCRIPTION ......................................................... PAGE
SPECIFICATIONS .......................................................... 3
REAR PANEL/ FRONT PANEL ................................................ 4
DISASSEMBLY INSTRUCTIONS ............................................... 5
BLOCK DIAGRAM .......................................................... 6
WIRING DIAGRAM ......................................................... 7
ADJUSTMENT POINTS DIAGRAM ............................................. 8
INSTRUMENT SETUP ....................................................... 9
ALIGNMENT PROCEDURES ................................................. 10
PCB LAYOUT .......................................................... 11-12
SCHEMATIC DIAGRAM .................................................. 13-14
IC BLOCK DIAGRAM .................................................... 15-17
ELECTRICAL PARTS LIST ................................................ 18-23
EXPLODED VIEW ......................................................... 24
EXPLODED VIEW PARTS LIST ............................................ 25-26
PACKING DIAGRAM ....................................................... 27
Page 4
REAR PANEL / FRONT PANEL
REAR PANEL
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1. FM ANTENNA
2. AM ANTENNA
3. OUTPUT
FRONT PANEL
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4. IR IN
5. 12V TRIGGER IN
6. AC LINE CORD
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I 2 3 4 5 6 7 8 9 10
1. POWER ON / OFF 6. AM / FM
2. POWER STATUS INDICATOR 7. DISPLAY
3. BLEND
4. MEMORY
5. FM MUTE / MODE
IMPORTANT NOTES
1. Show the software version
8. PRESET / TUNE
9. DISPLAY AREA
10. PRESET / TUNE CONTROL
Press PRESET/TUNE" and TUNE UP" (b ).
2. Light UP all the icon on the VFL
Press PRESET/TUNE" and TUNE DOWN" ( 4 ).
3. CPU Resets
Press PRESET/TUNE" and TUNE DOWN" (4) and any one key.
4. AM Step 10K/9K Change
Add D206: 10KHz / Delete D206: 9KHz.