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6.Troubleshooting
6-1. Radio cassette section
X : NO. ABNORMAL
6-1-1. AC power insensible
Check AC cord
connection
Replace AC cord
6-1-2. Battery power insensible
Check proper
polarity
Install battery properly
Check voltage selector
:
Check if AC
setting(OPTION)
cord is plugged
Unplug from set
in set
Check if RF701 fuse is
open (OPTION
Replace fuse
Replace power
transformer
LED defect
& soldering
Check voltage
of RCW2
Check
secondary voltage of power
transformer
1. Check if battery spring wire is cut.
2. Check battery contacts.
Check if POWER
LED lights (RADIO)
6-1-3.Output insensible
Check if POWER
LED lights
X | Refer to "AC/Battery Power Insensible"
O
Check speaker
wire connection
X
Connect speaker wire properly
O
Check if volume
is set to low
< raevonee
O
Check voltage
at
X
Replace RQ801or RZD1
emitter of
RO80 i
ei
oO
X
Replace IC
Check volta
of power IC(Al
pins
(601)
O
Check output
of headphone
Xx
Check output at
ws Check signals (patterns)
AR604, AR654
from volume input to AIC601
O
Check soldering of speaker
output port
RCD-750
- 26-
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