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mEquipment and measuring instruments used
for adjustment
@ Electronic voltmeter
@ Audio frequency oscillator
(range:50~20kHz and output 0 dB with impedance of
600 2)
@ Attenuator(impedance;600 Q )
@ Frequency counter
@ AM Standard signal generator
@ FM Standard signal generator
@ Wow & flutter meter
@ Torque testing cassette gauge
CTG — N (mechanical adjusting)
TW — 2111A (FWD play)
TW — 2121A (REV play)
@ Standard tape
VT712 or VIT712 (Tape speed, wow & flutter adj.)
VT724 or VTT724 (Reference level)
VT738 or VTT736 (Playback frequency response)
VT721 or VTT721
(Output level)
VT738 or VTT736 (Azimuth) (8kHz part only)
gi Condition for measurement
@ Power Supply ---- sss sree reece reece ees
DC14.4V
(Reduced Voltage:10.5V)
yt:
42
(4- speaker connection)
@ BASS/TRE, FADER
«++ sere terre terete eee Center
@ Main volume::::------>- Position with an output level
of 1.4V during VT724 playback
Wi Tuner section
@ [FM);400Hz, 22.5kHz deviation(MONO)
@ FMISTEREO ;1kHz, 67.5kHz deviation,
pilotsignal 7.5kHz, 66dB u V
@ (AM];400Hz, 30% modulation ,74dB uw V
@ Output impedance ;50 2
m Dummy antenna
iat
i
Plug to fit
SSG Level
Coexiat Cable
garenae eck
awe
we
~-—---— =
—-_—-_——-- =
r
60n}
Input Level
:
60dB8y
i
Plug
to fit
SSG Level
oe pear
scans jack
7408.
i ms pF
q
On
'_
Metal shield
AM SSG 502
1 SOFT I rust be attached to plug
@ Preset memory Initialization
Preset Memory
Band
M1
| m2 | M3 | M4 | M5 | M6
FM(MHz)
87.5 | 89.9 | 97.9 | 105.9 | 107.9 | 87.5
| AM(kHz)
| 530 | 900
1000
1500 | 1710 | 530
@ Manual Tuning Up/Down Frequency
FM);200kHz Step
(AM) ;10kHz Step
KS ~ RT515 C/J
EXT - KSRT002- 18P (18 pin extension cord)
For connection between mechanism assembly and
Mechanism side
main board assembly.
Main board side
Check
for
mechanism-driving
section
such
as
motor, etc.
1, Remove the bottom cover.
2. Remove the front panel assembly.
@ Connection diagram
Mechanism control board
Mechanism ass'y
Extension cord
EXT — KSRT002 — 18P
Availabile to connect to the CP701 connector
when installing the front panel.
(No. 49282) 33
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