Akai GXC-750

Vil. AMPLIFIER SYSTEM ADJUSTMENT
1. PRE-AMP BLOCK DIAGRAM
——> SIGNAL CURRENT AT P.8, MODE 0.L.S. SWITCH
--—=» SIGNAL CURRENT AT REC, MODE (LINE) OF F——- ON
r-—->—7
1
9)
REC. LEVEL VR!
HEAD PHONE
ALL CURRENT AT DOLBY ON
® DOLBY INPUT
@ DOLBY OUTPUT
© FROM DOLBY N,R. P.C. BOARD (REC.) . 4
© TO DOLBY N.R. PC. BOARD REV.——>—F WD.
Fig. 20
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GXx¢-75D
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FREQUENCY
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[ATTENUATOR]
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SENSITIVITY
COUNTER OSCILLATOR VT VM.
nes
RiGhT
tERE CH. REC. LEVEL
VR2 20KB
LEFT CH, P.8, LEVEL
VR1 500nB
RIGHT CH. P. & LEVEL
LET RAGHE CH. REC. LEVEL
VRib 50008 VR2b 20KB
Fig. 22