10
RX
D-M9
09/LS
-M9
09
12. TAPE REC PART CHECK
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
Refer to PWM modulation
troubleshooting.
Check IC201_PIN7,24
record input.
Check P2203_PIN6,3 input
and PIN8 erase input.
Check
IC604(PS9830)_PIN49,52
PWM output.
Check IC201_
PIN10,21 output.
Check
L203_PIN2,3 oscillation.
Check
IC100_PIN23 “HIGH”.
TAPE REC PART CHECK
NO
Replace IC201.
YES
YES
Check
Q205(D1304)_base
“HIGH”.
NO
Check IC202_PIN4 “HIGH”.
Replace IC202.
OK
OK
OK
13. POWER PART CHECK GUIDE
NO
NO
NO
NO
OK.
NO
Reconnect it.
YES
NO
YES
Check an Audio
Micom or interface
reconnect.(CN206)
Check an Audio
Micom or interface
reconnect.(CN206)
YES
Reading OK.
Check DVD MD
Module.
POWER ON
YES
POWER ON
Does
DVD/CD
appear at FLD?
YES
Push
Disc button.
YES
Check connector
CN206.
Check the
voltage of each pin
on CN202.
Does it
appear DVD
ERROR
at FLD?
Does AUX
FM 87.5 appear
at FLD?
PUSH FUNTION
BUTTON UNTIL
APPEAR DVD/CD
Check
Connector
P400,P403,P404
YES
Note: This shooting is the original circuitry so there are some different points from RXD-M909.
TROUBLESHOOTING