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Schematic Diagram and Board Photo Changes
Fig. 7-8 C213, R213 and C219 are moved to the back of the board in later
production. R293, R294, R296 and R298 are located on back of board.
Schematic
R225 was a variable resistor in early production. Second board outline
down from top of page should be titled: PARTIAL A4 VERTICAL MODE-GAIN
SWITCH BOARD
Output at right of T278 should read:
CH 2 + VERT SIGNAL To Pin 3, U370
The line between R293 and R295 should be connected.
Output at right of R289 should read;
CH 2 - VERT SIGNAL To Pin 2 U370
Refer to accompanying partial schematics for other changes.
-I-15 V
U 120
H 136
PARTIAL-
C H I VE R TIC A L PREAMP
C 1/373
Rev/573
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