Advertisement
RECORDING
CONDITION
UNSATISFACTORY
.
ERASURE
INCOMPLETE OR |
RECORD DISTORTED
NO RECORDING
RECORDING
BUT NO
MONITORING
NO HIGH SOUND
IS OSCILLATION
OUTPUT
NORMAL ?
LEVEL
METER
FUNCTIONS
LEVEL METER DOES
NOT FUNCTION
LEVEL
METER
DEFECTIVE
VOLUME
VR9, VR10
DEFECTIVE
SELECTOR
SWITCH
$8-1, S$8-2
DEFECTIVE
SWITCH
$1-7, S2-7
DEFECTIVE
DIODE D1, D2
DEFECTIVE
SWITCH
S9-1, S9-2
DEFECTIVE
RESISTOR
R69~
R72 DEFECTIVE
EXT. SP. JACK
DEFECTIVE
LEAD
WIRE
CONNECTED
TO
SPEAKER
BROKEN
CAPACITRO
C64,
C65 DEFECTIVE
OSCILLATION
OUTPUT
NORMAL
CHECK
VOLTAGE
OF
OSCILLATION
OUTPUT
LOW
Ui ele
Tr13,
RECORD
HEAD
DEFECTIVE
BIAS CIRCUIT
DEFECTIVE
RESISTOR
R87~
R90 DEFECTIVE
HEAD
SELECTOR
SWITCH
DEFECTIVE
CHECK
VOLTAGE
OF
Trl, Tr2
IN
©
MONITORING
MODE
CLICK IS HEARD
NO CLICK IS HEARD
SPEED
SELECTOR
SWITCH
$4-1~S4-4
DEFECTIVE
NFB
CIRCUIT
RESISTOR
R19~
R26,
R79,
R8O,
CAPACITOR
C5,
C6,
c9~c14,
C59,
C60,
DEFECTIVE
CHECK
VOLTAGE .OF
CIRCUIT RESISTOR
R87~R90,
CAPACITOR
| .
C47~C50
DEFECTIVE
t t
LI DEFECTIVE
ERASE
HEAD
|
DE
V
LI DEFECTIVE
DEFEGIINE
z: 2) ps) =
> —
'
|
= > ee) G) m
RECORD
HEAD
DEFECTIVE
TRIMMER
CAPCTIOR
TRANSFORMER
T5
MALADJUSTED
DEFECTIVE
SWITCH
S$1-6, S2-6
RECORD
HEAD
DEFECTIVE
«
DEFECTIVE
INPUT SIGNAL
TOO
ERASE
HEAD
DEFECTIVE
SWITCH
S$1-6, S2-6
DEFECTIVE
TRANSISTOR
Tr13,
ABNORMAL
Trl4 DEFECTIVE
OSCILLATION COIL
DEFECTIVE
CAPACITOR
C51
MICROPHONE,
MIC.
DEFECTIVE
JACK DEFECTIVE
THERMISTOR
TH5
MICROPHONE, AUX.
DEFECTIVE
JACK DEFECTIVE
TRANSFORMER
T5
DEFECTIVE
RESISTOR
R1~R6
DEFECTIVE
VOLUME
VR1, VR2
DEFECTIVE
SWITCH
S1-8, S2-8
DEFECTIVE
SELECTOR
SWITCH
S1, $2 DEFECTIVE
RESISTOR
R23,
R24, R79,R80
R85 DEFECTIVE
CAPACITOR
C13,
c14, C59, C60
DEFECTIVE
TRANSISTOR
Tr5~
Trl2 DEFECTIVE
INPUT TRANSFORMER
Tl, T2, DEFECTIVE
OUTPUT
TRANSFORMER
T3,
T4 DEFECTIVE
Tr4 DEFECTIVE
THERMISTOR TH1~
TRANSISTOR Tr1~
See eae as
TH4 DEFECTIVE
R18, R27~R30
Tr4
ABNORMAL
DEFECTIVE
;
.
;
RESISTOR
R33~
CAPACITOR
C3~C8,
R68, R77, R78, R81,
C17~C20
R84
DEFECTIVE
TRANSISTOR Tr5~
DEFECTIVE
C44 DEFECTIVE
24
s
e C
Advertisement
