Diagrams; Circuit Board Location - Sony HCD-XGR99AV Service Manual

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7-1. CIRCUIT BOARD LOCATION

TRANS board
PANEL FL board
GAME board
TC-A board
CD-L board
T E
L 1 3 9 4 2 2 9 6 5 1 3
FRONT INPUT board
KEY board
PANEL VR board
MIC board
MIC VR board
DOOR SW board
w w w
.
MOTOR board
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SECTION 7

DIAGRAMS

SUB TRANS board
TUNER PACK (FM/AM TUNER UNIT)
Five screws (BVTT 3x6)
SUB AMP board
PROLOGIC board
MAIN board
PA board
TUNER board
TC-B board
HEADPHONE board
CD-R board
SENSOR board
BD board
x a o u 1 6 3
y
i
LED board
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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.
• : internal component.
f
• 2 : nonflammable resistor.
• 5 : fusible resistor.
Note:
The components identified by mark 0 or dotted line
with mark 0 are critical for safety.
Replace only with part number specified.
• C : panel designation.
• A : B+ Line.
• B : B– Line.
• H : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
BD board section
no mark: CD PLAY
Other board section
no mark: TUNER (FM/AM)
( ): TAPE PLAY
< >: TAPE REC
[ ]: CD PLAY
• 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.
Q Q Voltage variations may be noted due to normal produc-
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tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER (FM/AM)
E
: TAPE PALY (DECK A)
d
: TAPE PALY (DECK B)
G
: RECORD
J
: CD PALY (ANALOG OUT)
c : CD PALY (DIGITAL OUT)
N
: MIC INPUT
c o
.
21 21
2 4 2
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Note on Printed Wiring Boards:
• X : parts extracted from the component side.
• : Pattern from the side which enables seeing.
(The other layers´ Patterns are not indicated.)
• Indication of transistor.
C
Q These are omitted.
B E
Q
B C E
These are omitted.
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B C E
These are omitted.
5 0 8 9 2 4 9 8 2
m
HCD-XGR99AV
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