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7-6.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Printed Wiring Board:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Parts on the pattern face side seen from
(Side B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
• Indication of transistor.
C
Q
These are omitted.
B
E
Q
B
C E
These are omitted.
Q
B
C
E
These are omitted.
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and
1
/
W or less unless otherwise
4
specified.
• 2 : nonflammable resistor.
• 5 : fusible resistor.
• C : panel designation.
Note: The components identified by mark 0 or dotted line
with mark 0 are critical for safety.
Replace only with part number specified.
• A : B+ Line.
• B : B– Line.
• H : adjustment for repair.
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER (FM/AM)
E
: TAPE PLAY (DECK A)
d
: TAPE PLAY (DECK B)
G
: RECORD
J
: CD PLAY (ANALOG OUT)
c : CD PLAY (DEGITAL OUT)
N
: MIC INPUT
• Abbreviation
AR
: Argentina model
AUS : Australian model
E2
: 120 V AC area in E model
EA
: Saudi Arabia model
MX
: Mexican model
SP
: Singapore model
• Circuit Boards Location
TRANS board
PANEL FL board
PANEL VR board
ILLUMINATION board
TC-A board
MIC board
CD-L board
TC-B board
CD-R (1) board
LEAF SW board
TABLE SENSOR board
CD MOTOR board
23
23
HCD-XG100AV/XG900AV
SUB TRANS board
TUNER PACK
(FM/AM TUNER UNIT)
SURROUND board
MAIN board
PA board
HEADPHONES board
CD-R (2) board
FRONT INPUT board
BD board
AUDIO board
LED board
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