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20 Schematic Diagram Notes
· This schematic diagram may be modified at any time
with the development of new technology.
Notes:
S6801:
Play and memory switch (
Memory).
S6802:
R. skip, search and Tuning switch
(
S6803:
F. skip, search and Tuning switch
(
S6804:
Pause and FM mode switch (
MODE).
S6805:
Tray open / close switch (
Close).
S6806:
Disc exchange switch (DISC
EXCHANGE).
S6807:
Disc skip switch (DISC SKIP).
S6808:
Stop and TUNE mode switch (
TUNE MODE).
S6900:
Standby / on switch (POWER
S6901:
Source select switch (INPUT
SELECTOR).
S6902-S6906:
Disc switch (DISC1-DISC5).
S6907:
Harmonic bass switch (H.BASS).
S6909:
Progressive out switch
(PROGRESSIVE).
S6910:
CD mode switch [CD MODE].
S9001:
Loading switch.
VR6800:
Volume control.
· Indicated voltage values are the standard values for the unit
measured by the DC electronic circuit tester (high-
impedance) with the chassis taken as standard. Therefore,
there may exist some errors in the voltage values,
depending on theinternal impedance of the DC circuit
tester.
· Important safety notice:
Components
identified
characteristics important for safety.
Furthermore, special parts which have purposes of fire-
retardant (resistors), high-quality sound (capacitors), low-
noise (resistors), etc. are used.
When replacing any of components, be sure to use only
manufacturer´s specified parts shown in the parts list.
· The supply part number is described alone in the
replacement parts list.
· Voltage and signal line
: +B Signal line
: CD-DA signal line
: Main signal line
: DVD (Video) signal line
: DVD (Audio) signal line
: FM/AM signal line
: -B Signal line
/
/ TUNING
).
/
/ TUNING
).
FM
Open /
by
mark
have
special
Caution!
IC and LSI are sensitive to static electricity.
Secondary trouble can be prevented by taking care during
repair.
Cover the parts boxes made of plastics with aluminum foil.
Ground the soldering iron.
Put a conductive mat on the work table.
Do not touch the legs of IC or LSI with the fingers directly.
).
45
SA-HT930P / SA-HT930PC / SA-HT930PX
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