2
TEST EQUIPMENT REQUIREMENTS
FIXTURE ITEM
DESCRIPTION
P/N
Path Adj Fixture
Use for X-position adjust/Tape path alignment
97PB396000
Special Driver
Use for X-position adjust/Tape path alignment
THE SERVICE FIXTURE
Path Adj Fixture
Special Driver
2
AC Millivolt Meter
Sensitivity: 1.0mVAC–400VAC
Dual-Trace Triggered Oscilloscope–with Lo–Cap (X10)
and Direct Probes.
Response: DC–20MHz
Sensitivity: 5mV/div.
Max. Sweep Rate: 0.1µsec./div.
Frequency Counter–7 digits
Sensitivity: 25mV-5V
Range: 50Hz–100MHz
DVM
Range: 0.1VDC–1000VD
Accuracy: 0.5%
NTSC Video Signal Generator–Must provide 1V p-p negative
sync video across a 75 ohm load and produce standard NTSC
75% saturated color bars with a 100% white window.
DC Power Supply
Range: 0-50V, 2A well filtered.
Temperature Controlled Soldering Station–Grounded tip
(Tip temperature: 500°F-600°F).
Note: 500 °F Maximum for leadless components.
AC Variac–Continuously variable.
Summary of Contents for DR-C912B
Page 13: ...11 INSTRUMENT DISASSEMBLY...
Page 37: ...35 EXPLODED VIEW 6 1 EXPLODED VIEW OF DECK ASS Y TOP VIEW...
Page 38: ...36 EXPLODED VIEW 6 2 EXPLODED VIEW OF DECK ASS Y BOTTOM VIEW...
Page 39: ...37 EXPLODED VIEW 6 3 EXPLODED VIEW OF FL ASS Y...
Page 40: ...38 EXPLODED VIEW D0040 D0040 D0020 D0050 D0010 D0060 D0070...
Page 41: ...39 EXPLODED VIEW REMARK PART NAME N O Q TY PART NO MATERIAL...
Page 42: ...40 ELECTRICAL ADJUSTMENT Fig 1 Main board test point control location guide component...
Page 44: ...42 WAVEFORMS VIDEO WAVEFORMS 480 4 6 20 34...
Page 46: ...44 WAVEFORMS 24 25 26 27 31 30 29 28 SERVO WAVEFORMS...
Page 101: ...SERVO SYSCON SCHEMATIC DIAGRAM DVD COMBO RECEIVER 99 SCHEMATIC DIAGRAM...
Page 102: ...100 SCHEMATIC DIAGRAM VIDEO AUDIO SCHEMATIC DIAGRAM DVD COMBO RECEIVER...
Page 103: ...Hi Fi S W PIF MPX SCHEMATIC DIAGRAM DVD COMBO RECEIVER 101 SCHEMATIC DIAGRAM...
Page 104: ...DIGITAL AUDIO VIDEO SCHEMATIC DIAGRAM DVD COMBO RECEIVER 102 SCHEMATIC DIAGRAM...
Page 105: ...RECEIVER FRONT PART SCHEMATIC DIAGRAM 103 SCHEMATIC DIAGRAM...
Page 106: ...104 SCHEMATIC DIAGRAM DIGITAL AMP SCHEMATIC DIAGRAM...
Page 111: ...109 SCHEMATIC DIAGRAM DVD SCHEMATIC DIAGRAM 5 VIDEO AUDIO...
Page 112: ...110 BLOCK DIAGRAM RECEIVER SERVO SYSCON BLOCK DIAGRAM...
Page 113: ...111 BLOCK DIAGRAM COMBO RECEIVER VIDEO BLOCK DIAGRAM...
Page 114: ...NORMAL AUDIO BLOCK DIAGRAM 112 BLOCK DIAGRAM...
Page 116: ...114 BLOCK DIAGRAM DIGITAL AUDIO BLOCK DIAGRAM...
Page 117: ...AMP BLOCK DIAGRAM 115 BLOCK DIAGRAM...
Page 118: ...MAIN PCB CIRCUIT BOARD RTD300 116 CIRCUIT BOARD INDEX...
Page 119: ...117 CIRCUIT BOARD INDEX POWER LOGIC PCB CIRCUIT BOARD RTD300...
Page 120: ...118 CIRCUIT BOARD INDEX AMP PCB CIRCUIT BOARD RTD300...
Page 132: ...686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA DAEWOO ELECTRONICS Corp...