Akai HXR 5 Service Manual
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Extracted text from Akai HXR 5 Service Manual (Ocr-read)
Page 2
ABBREVIATIONS FOR SERVICE MANUAL
MODEL HX-RS/GX-R6
ABBREVIATIONS EXPLANATION
AC Alternating Current
ADJ ADJusl
ALU Arithmetic aid Logic Unit
A-SW Analogue SWitch
358 Blank Search System
DET DETector
EQ EQualizer
EXT EXTernal
FF Fast Forward
FLD FLuorescent Display
FREQ FREQuency
FWD ForWarD
GND GrouND
H" High (referring to voltage)
HLS High Level Stage
[NI-I INHibit
IPLS Instant Programme Locaiing System
LLS Low Level Stage
MIC MICrophone
NR Noise Reduction
OSC OSCillator
RL Relay
REC RECord
REF REFerence
REV REVerse
REW REWind
RWD ReWinD
SEL SELecI
SENS SENSitivity
XTAL CrysTAL
Page 23
IX. ELECTRICAL ADJUSTMENT
9-1. QUICK REVERSE SENSITIVITY ADJUSTMENT
JI
VR' @ l TPI
d2
J3
162
SYSCON PCB T2045A502A
CLEAN < g
I
©o
. Connect a Digital Voltmeter between TP-l and Ground.
awn)-
from the system control P.C Board, and again adjust VRl as the
Note:
Fig. 9-l Quick Reverse Sensitivity Adjustment Points
REFERENCE
POLE
DETECTION
TAPE GUIDE
Fig. 9-2
. Make a tapeless cassette pack by removing the tape from the white colored test tape.
same manner in item 3).
Clean the reference pole and the Detection tape guide before adjustment. (Refer to Fig. 92)
SERVICE MANUAL l-IX-RS/GX-m:
. Using the tapeless cassette pack, adjust VR] so that the Digital voltmeter reads 12V 10.5V DC at FWD play mode.
. If the Digital voltmeter reading is not increase to 12V DC at VRl maximum. Remove the Resister R51 (1 Mohms)
21