Service manual

CONTENTS
Title
Page
SPECIFICATIONS
1
SAFETY PRECAUTIONS ......................................................................................... 2
ADJUSTMENTS
PURITY
...................................................................................................... 4
CONVERGENCE
........................................................................................... 5
WHITE BALANCE
........................................................................................ 5
B1 VOLTAGE, FOCUS, VERT. & HOR. ADJ. ................................................... 6
SUB TINT, SUB CONTRAST, COLOR SYNC,
3.58 MHz TRAP ........................... 7
BLOCK DIAGRAM
................................................................................................. 8
CIRCUIT NOTES
VIDEO CIRCUIT
........................................................................................... 9
AUDIO CIRCUIT
.......................................................................................... 10
COLOR DEMODULATION CIRCUIT ................................................................ 11
CHROMA OUTPUT CIRCUIT ............ .......................... .............. ........ ............. 12
CONTROL CIRCUIT ...................................................................................... 13
H. OSC., V. OSC. & V. OUT CIRCUIT ............................................................ 14
HORIZONTAL OUTPUT CIRCUIT ................................................................... 15
POWER CIRCUIT ......................................................................................... 16
TROUBLESHOOTING GUIDE
NO RASTER, NO SOUND (B
1
NORMAL)
........................................................ 17
NO RASTER, NO SOUND (B1 ABNORMAL) .................................... ................ 18
NO RASTER, NORMAL SOUND ..................................................................... 19
NO SOUND, NORMAL PICTURE .................................................................... 19
SINGLE HORIZONTAL LINE, NORMAL SOUND ................................................ 20
IMPROPER HORIZONTAL OR VERTICAL SYNC ............................................... 22
iii