Read Sony BMZ-K7D / CX-BK7 Service Manual online
CX-BK7
43
43
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.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
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.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
– RF/MB03/VIDEO Boards –
no mark : DVD PLAY
(
– RF/MB03/VIDEO Boards –
no mark : DVD PLAY
(
) : CD PLAY
∗
: Impossible to measure
– DECK Board –
no mark : TAPE PLAY
(
no mark : TAPE PLAY
(
) : REC
– USB AUX Board –
no mark : USB
– Other Boards –
no mark : TUNER
(
no mark : USB
– Other Boards –
no mark : TUNER
(
) : CD PLAY
〈〈
〉〉
: TAPE PLAY
{
} : TAPE REC
[
] : USB
∗
: 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.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER (FM/AM)
J
: DVD PLAY
c
: CD PLAY (ANALOG)
I
: CD PLAY (DIGITAL OUT)
E
: TAPE PLAY
j
: REC
d
: USB
N
: MIC INPUT
L
: VIDEO
a
: Y
p
: CHROMA
G
: COMPONENT VIDEO
q
: LINE IN (AUDIO)
r
: LINE IN (VIDEO)
O
: MD (AUX) IN
f
: MD (AUX) OUT
• Abbreviation
AUS
: Australian model
E51
: Chilean and Peluvian models
EA
: Saudi Arabia model
MX
: Mexican model
MY
: Malaysia model
SP
: Singapore model
• Circuit Boards Location
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
• Indication of transistor.
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
Caution:
Pattern face side:
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.
TUNER UNIT
MAIN board
SP board
ACDC board
MB03 board
PT96 board
FRONT AMP board
SURAMP board
VIDEO board
DECK board
SW (3) board
STOCKER MOTOR board
SW (4) board
ROLLER MOTOR board
RELAY board
ST ENCORDER board
RF board
MODE MOTOR board
HEADPHONE board
KEY SIDE R2 board
KEY SIDE R1 board
MIC board
LED board
JOG board
USB AUX board
KEY LED RMC board
LCD VOL board
KEY SIDE L board
SW (1) board
SW (2) board
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