Chrysler New Yorker. Manual — part 375

TEST 1C

REPAIRING SHORTED FRONT CHANNEL

Perform TEST 1A Before Proceeding

FIG. 1

FIG. 2

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TEST 1C

REPAIRING SHORTED FRONT CHANNEL

Perform TEST 1A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

NOTE: FOR LOCATION
OF ALL COMPONENTS.

START TEST 1C.

SEE GENERAL INFO 4.0

DISCONNECT THE

DOES THE DRB

AMPLIFIER C2 USING THE DRB,

DISPLAY

NO

REPLACE THE

HARNESS

READ RADIO DTC’S.

"FRONT CHANNEL

AMPLIFIER.*

CONNECTOR.** SHORTED TO

GROUND"?

YES

KEY OFF.

USING AN OHMMETER,

REPAIR THE LF

MEASURE BETWEEN

IS THE RESISTANCE

YES

SPEAKER (+)

DISCONNECT THE

GROUND AND THE LF BELOW 1000.0

(1K)

CIRCUIT FOR A

RADIO C1 HARNESS

SPEAKER (+)

OHMS?

SHORT TO GROUND.*

CONNECTOR.**

CIRCUIT. FIG. 1

NO

USING AN OHMMETER,

REPAIR THE RF

MEASURE BETWEEN

IS THE RESISTANCE

YES

SPEAKER (+)

GROUND AND THE RF

BELOW 1000.0 (1K)

CIRCUIT FOR A

SPEAKER (+)

OHMS?

SHORT TO GROUND.*

CIRCUIT. FIG. 1

NO

USING AN OHMMETER,

REPAIR THE LF

DISCONNECT THE

MEASURE BETWEEN

IS THE RESISTANCE

YES

SPEAKER (-)

RADIO C2 HARNESS

GROUND AND THE LF

BELOW 1000.0 (1K)

CIRCUIT FOR A

CONNECTOR.** SPEAKER (-)

OHMS?

SHORT TO

GROUND.*

CIRCUIT. FIG. 2

NO

USING AN OHMMETER,

REPAIR THE RF

MEASURE BETWEEN

IS THE RESISTANCE

YES

SPEAKER (-)

GROUND AND THE RF

BELOW 1000.0 (1K)

CIRCUIT FOR A

SPEAKER (-)

OHMS?

SHORT TO GROUND.*

CIRCUIT. FIG. 2

NO

CONTINUE TEST
1C ON THE NEXT

PAGE.

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TEST 1C

CONTINUED - REPAIRING SHORTED FRONT CHANNEL

FIG. 1

FIG. 2

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TEST 1C

CONTINUED - REPAIRING SHORTED FRONT CHANNEL

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST 1C

USING AN OHMMETER,

CONTINUED FROM

MEASURE BETWEEN THE

IS THE RESISTANCE

YES

REPAIR THE LF

THE PREVIOUS

LF SPEAKER (+) CKT

BELOW 1000.0 (1K)

SPEAKER CIRCUITS

PAGE.

AND THE LF SPEAKER

OHMS?

SHORTED TOGETHER.*

(-) CKT. FIG. 1 & 2

NO

USING AN OHMMETER,

MEASURE BETWEEN THE

IS THE RESISTANCE

YES

REPAIR THE RF

RF SPEAKER (+) CKT

BELOW 1000.0 (1K)

SPEAKER CIRCUITS

AND THE RF SPEAKER

OHMS?

SHORTED TOGETHER.*

(-) CKT. FIG. 1 & 2

NO

USING AN OHMMETER,

AND THE RF SPEAKER

IS THE RESISTANCE

REPAIR THE LF

MEASURE BETWEEN

(+) AND (-)

BELOW 1000.0 (1K) YES

SPEAKER (+)

THE LF SPEAKER (+)

CIRCUITS.

OHMS ON EITHER

CIRCUIT SHORTED TO

CKT...

MEASUREMENT?

EITHER RF SPEAKER

FIG. 1 & 2

CIRCUITS.*

NO

USING AN OHMMETER,

AND THE RF SPEAKER

IS THE RESISTANCE

REPAIR THE LF

MEASURE BETWEEN

(+) AND (-)

BELOW 1000.0 (1K)

YES

SPEAKER (-)

THE LF SPEAKER (-)

CIRCUITS.

OHMS ON EITHER

CIRCUIT SHORTED TO

CKT...

MEASUREMENT?

EITHER RF SPEAKER

FIG. 1 & 2

CIRCUITS.*

NO

REPLACE THE

RADIO.*

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