Circuit Boards Location - Sony STR-DE695 Service Manual

STR-DE695
Ver 1.1

4-7. CIRCUIT BOARDS LOCATION

STANDBY board
POWER board
HEADPHONE board
VIDEO3 board
DISPLAY board
SB AMP board
(US, Canadian
model only)
• Waveforms (DIGITAL Board)
1V/DIV 50nsec/DIV 1V/DIV 50nsec/DIV
1 4
3.4Vp-p
13.5MHz
12.288MHz
(CKOUT) (MCLK2)
IC1301 qd IC1501 qs
1V/DIV 20nsec/DIV
2 1V/DIV 0.2µsec/DIV 5
3.4Vp-p
3.07MHz 40nsec
(BCK) (SCKOUT)
IC1301 qf IC1501 qf
3 1V/DIV 50nsec/DIV 6 1V/DIV 20nsec/DIV
3.2Vp-p
12.288MHz 16.5MHz
(X1)
IC1301 wa (XOUT) IC1101 tj
AC SELECT board (E2, E3, Tourist model only)
SPEAKER board
VIDEO board
S-VIDEO board
DIGITAL board
MAIN board
VOL board
3.2Vp-p
4.0Vp-p
3.2Vp-p
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 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.
• C : panel designation.
Note: Note:
The components identi- Les composants identifiés par
une marque 0 sont critiques
fied by mark 0 or dotted
line with mark 0 are criti- pour la sécurité.
cal for safety. Ne les remplacer que par une
Replace only with part piéce portant le numéro
number specified. spécifié.
• A : B+ Line.
• B : B– Line.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
• 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)
L : VIDEO (AUDIO)
I : VIDEO
J
: CD (ANALOG)
c : CD (DIGITAL)
• Abbreviation
CND : Canadian model.
AUS : Australian model.
CH : Chinese model.
TW : Taiwan model.
SP : Singapore model.
MY : Malaysia model.
AR : Argentina model.
E2 : AC 120 V area in E model.
E3 : AC 240 V area in E model.
JE : Tourist model.
MX : Mexican model.
24 24
for printed wiring boards:
• X : parts extracted from the component side.
• : internal component.
f
• : Pattern from the side which enables seeing.
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B) pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
(Side A) parts face are indicated.
C
Q These are omitted.
B E
Q
B C E
These are omitted.
Q
B C E
• Abbreviation
CND : Canadian model.
AUS : Australian model.
CH : Chinese model.
TW : Taiwan model.
SP : Singapore model.
MY : Malaysia model.
AR : Argentina model.
E2 : AC 120 V area in E model.
E3 : AC 240 V area in E model.
JE : Tourist model.
MX : Mexican model.