Diagnosis; Troubleshooting - Pioneer F-F3-J Service Manual

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5. DIAGNOSIS

5.1 TROUBLESHOOTING

* Diagnostic method for no reception and no sound.
A
* For a signal flow, refer to block diagrams as well as circuit diagrams.
Step 1: ADVANCE CONNECTION CHECK
Confirm the following items before checking.
Are FM, AM
ANTENNA connected
properly?
Yes
B
To Step 2
Step 2: TUNER POWER
IC114. 3PIN(OUT) POWER IC-CONVERTER
Is the
voltage 9.0V?
Yes
C
R145, C182 OPERATION CHECK
Is the
voltage 9.0V?
Yes
CP101. 4, 6PIN L/R OUTPUT
Is there
SINE waveform?
D
Yes
CP101. 8 - 10PIN TUNER DATA LINE
Is there
block pulse?
Yes
E
To Step 3
Step 3: TUNER L/R OUTPUT CHECK
IC104. 2,3,5,6PIN INPUT CHECK
Is there
L/R input?
Yes
F
16
1
2
No
Insert the ANTENNA in
the correct position.
No
Check the parts and
patterns in the path.
No
Check the R145, C182.
No
Check if 11 PIN FFC CABLE
is in the correct position.
Check if 11 PIN FFC CABLE
No
is in the correct position.
Replace TUNER PACK and
check again.
No
Check the parts and
patterns in the path.
F-F3-J
2
3
IC104. 1,7PIN OUTPUT CHECK
Is there
L/R output?
Yes
JACK100
L/R OUTPUT
CHECK
Yes
To Step 4
Step 4: RDS OUTPUT OPERATION CHECK
IC106.
RDS DATA
IC CHECK
Is there
IC106.13PIN
(OSC-IN),14PIN
(OSC-OUT)?
Yes
Does
RDS DATA
CONTROL
operate?
Yes
To Step 5
Step 5: POWER OPERATION CHECK
FUSE CHECK
Yes
T500 AC POWER CHECK
Is there
T500 1 - 4PIN
AC 10V?
Yes
CN500 LINE CHECK
Is there
CN500. 3PIN(ST+
VCC) 10V?
Yes
A
3
4
No
Check the 4,8PIN (IC104).
No
Check the muting TR Q112L,
Q114L, Q112R, Q114R.
No
Check the 5PIN (IC106).
(PIN5=5V)
No
Check the XTAL102 and
parts and patterns.
No
Check the Q106,Q107.
No
Check the F500,F501,F502.
No
Check the T500
(SUB TRANS).
No
Check the parts and
patterns in the path.
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