Sony HCD-HPR90 Service Manual - Page 19

XM REG board, HPR99XM, XM board, MAIN board, CD board, TUNER, SP board, POWER board, AMP board, FL

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Page 19 highlights

• 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. • f : internal component. • : Pattern from the side which enables seeing. (The other layers' patterns are not indicated.) Caution: Pattern face side: (Conductor Side) Parts face side: (Component Side) Parts on the pattern face side seen from the pattern face are indicated. Parts on the parts face side seen from the parts face are indicated. • Indication of transistor C Q These are omitted. BE Q BCE These are omitted. Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. (p: pF) 50 WV or less are not indicated except for electrolytics and tantalums. • All resistors are in Ω and 1/4 W or less unless otherwise specified. • f : internal component. • 2 : nonflammable resistor. • C : panel designation. The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. Les composants identifiés par une marque 0 sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié. • A : B+ Line. • B : B- Line. • Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. - CD Board - no mark :CD PLAY - XM Board - no mark : XM - Other Boards - no mark : TUNER (FM/AM) ( ) : CD PLAY XM ∗ : Impossible to measure • 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) J : CD PLAY : XM f : AUDIO IN • Abbreviation AR : Argentina model AUS : Australian model CND : Canadian model E51 : Chilean and Peruvian models MX : Mexican model SP : Singapore model • Circuit Boards Location POWER board AMP board FL board PANEL board HP A-IN board HCD-HPR90/HPR99XM Ver. 1.1 TUNER MAIN board SP board XM REG board (HPR99XM) XM board (HPR99XM) CD board HCD-HPR90/HPR99XM 19 19

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HCD-HPR90/HPR99XM
19
19
HCD-HPR90/HPR99XM
•
Circuit Boards Location
•
Note For Printed Wiring Boards and Schematic Diagrams
•
Indication of transistor
Note on Schematic Diagram:
•
All capacitors are in
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
•
All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
2
: nonflammable resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
•
Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
– CD Board –
no mark
:CD PLAY
– XM Board –
no mark
: XM
– Other Boards –
no mark
: TUNER (FM/AM)
(
)
: CD PLAY
〈〈
〉〉
: XM
∗
: Impossible to measure
•
Voltages are taken with a VOM (Input impedance 10 M
Ω
).
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)
J
: CD PLAY
: XM
f
: AUDIO IN
•
Abbreviation
AR
: Argentina model
AUS
: Australian model
CND
: Canadian model
E51
: Chilean and Peruvian models
MX
: Mexican model
SP
: Singapore model
Note on Printed Wiring Board:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
f
: internal component.
•
: 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
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
•
Circuit Boards Location
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
The components identified by
mark
0
or dotted line with
mark
0
are critical for safety.
Replace only with part number
specified.
Les composants identifiés par une
marque
0
sont critiques pour la
sécurité.
Ne les remplacer que par une pièce
portant le numéro spécifié.
XM REG board
(HPR99XM)
XM board
(HPR99XM)
MAIN board
CD board
TUNER
SP board
POWER board
AMP board
FL board
HP A-IN board
PANEL board
Ver. 1.1