Diagrams; Circuit Boards Location - Sony HCD-GS200 Service Manual

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7-1. Circuit Boards Location

D.SENSOR (OUT) board
CD board
CD LED board
KEY board
DISPLAY board
T.SENSOR board
GAME LINK board
DOOR LED board
HEADPHONE board
D.SENSOR (IN) board
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THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
For schematic diagrams.
Note:
• 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.
• C : panel designation.
Note:
Note:
The components identi- Les composants identifiés par
fied by mark 0 or dotted une marque 0 sont critiques
line with mark 0 are criti-
pour la sécurité.
cal for safety. Ne les remplacer que par une
Replace only with part piéce por tant le numéro
number specified. spécifié.
• A : B+ Line.
• B : B– Line.
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
w w w
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
.
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SECTION 7

DIAGRAMS

AMP board
POWER board
MAIN board
LOAD SW board
L.T MOTOR board
• Signal path.
F : FM
f : AM
J : CD
c : DIGITAL OUT
E : TAPE (PB)
a : TAPE (REC)
j : AUDIO IN
k : VIDEO IN
• Abbreviation
CND : Canadian model.
For printed wiring boards.
Note:
• 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 B) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Component A) the parts face are indicated.
• Indication of transistor
C
Q These are omitted.
B E
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y
i
B C E
These are omitted.
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• Waveforms
– CD Board –
1
IC101 t; (RFAC)
(CD Play Mode)
0.96Vp-p
200mV/DIV, 1 µ s /DIV
2
IC101 el (FE)
(CD Play Mode)
250mVp-p
100mV/DIV, 200 µ s /DIV
3
IC101 ra (TE)
(CD Play Mode)
470mVp-p
100mV/DIV, 200 µ s /DIV
4
IC104 yd (XO)
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3.9Vp-p
59ns
1V/DIV, 20ns /DIV
c o
.
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2 4 2
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– MAIN Board – – DISPLAY Board –
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IC801 qa (SUBXOUT) IC701 id (X1)
3.5Vp-p
30.6 µ s
250ns
1V/DIV, 20 µ s /DIV
1V/DIV, 100ns /DIV
6
IC801 qd (XOUT)
3.2Vp-p
62ns
1V/DIV, 40ns /DIV
5 0 8 9 2 4 9 8 2
m
HCD-GS200
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3.8Vp-p
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