Test Mode - Sony STR-DE235 Service Manual

REAR PAENL SECTION
4 rear panel section
2 connectors
(CNP901)
MAIN BOARD
3 three screws
2 connector
(BVTP3 × 8)
(CNP702)
2 connector
(CNS802)
2 two connectors
(CNP703, 704)
4 PC board holder
3 two screws
(BVTP3 × 8)
3 seven screws
(BVTP3 × 8)
3 four screws
(BVTP3 × 8)
1 flat wire (CNS401)
3 three screws
(BVTP3 × 8)
5 MAIN board
1 three flat wires
(CNS204, 403, 701)
2 connector
(CNP801)
– 5 –

TEST MODE

Initialization Mode
All preset contents are cleared when this mode is activated. When
returning the unit to the customer after completing repairs, per-
form this operation to clear the unit.
Procedure:
[TUNER] [MD/TAPE]
1. While pressing two buttons of and
multaneously, press the 1/u button to turn the power ON.
2. The message "INITIAL" appears and initialization is per-
formed.
Fluorescent Indicator Tube Test Mode
All fluorescent segments are tested. When this test is activated, all
segments turn on at the same time, then each segment turns on one
after another.
Procedure:
[TV/LD] [DIRECT]
1. While pressing two buttons of and
taneously, press the 1/u button to turn the power ON.
2. All segments turn on at the same time, then each segment and
LED turns on one after another.
3. The message "FINISH" appears when this test is complete.
AUTO-BETICAL Check Mode
To auto-scanning and memories of RDS station.
Procedure:
[MEMORY]
1. While pressing the button, press the
1/u button to turn the power ON.
2. The message "AUTO BET" appears and each function is se-
lected one after another.
Software Version Display Mode
The software version is displayed.
Procedure:
[MD/TAPE] [DIRECT]
1. While pressing two the buttons of and
simultaneously, press the 1/u button to turn the power ON.
2. The software version is displayed.
SOUND FIELD Setting Clear Mode
All SOUND FIELD setting are cleared.
Procedure:
[SOUND FIELD ON/OFF]
1. While pressing the button, press
the 1/u button to turn the power ON.
2. The message "SURR CLR" appears and all SOUND FIELD
setting are cleared.
SECTION 3
si-
simul-
– 6 –