Sony HCD-DX60AV / HCD-RG70AV / MHC-DX60AV / MHC-RG70AV Service Manual ▷ View online
HCD-DX60AV/RG70AV
27
27
5-5.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
(In addition to this, the necessary note is printed in each block)
Note on Printed Wiring Boards:
•
•
X
: parts extracted from the component side.
•
: Pattern from the side which enables seeing.
• indication of transistor.
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.
•
5
: fusible 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.
• 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
: FM
f
: AM
E
: PB (DECK A)
d
: PB (DECK B)
G
: REC (DECK B)
J
: CD
c
: digital out
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
• Circuit Boards Location
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
MOTOR board
ADDRESS SENSOR board
DRIVER board
BD board
MAIN board
PANEL board
KEY board board
DIGITAL OUT board
TRANSFORMER board
REAR/CENTER AMP board
SENSOR board
SUB TRANSFORMER board
POWER AMP board
HCD-DX60AV/RG70AV
28
28
CN407
A
23
(23)
(KSM-213DCP)
TP (AGCCON)
TP
(XPCK)
TP (FEI)
TP
(GND)
TP (RF)
TP (FEO)
TP (TEO)
TP
(VC)
A
B
C
D
E
F
1
2
3
4
5
6
IC103
IC101
IC102
5-6.
PRINTED WIRING BOARD – BD Board –
• See page 27 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
IC101
C-2
IC102
D-4
IC103
B-3
Q101
A-4
There are a few cases that the part printed on
this diagram isn’t mounted in this model.
this diagram isn’t mounted in this model.
(Page 34)
HCD-DX60AV/RG70AV
29
29
5-7.
SCHEMATIC DIAGRAM – BD Board –
• See page 44 for Wavefoms.
• See page 44 for IC Block Diagrams.
OPTICAL
PICK-UP
BLOCK
(KSM-213DCP)
MAIN BOARD (4/4)
CN407
TP
(XPCK)
TP
(VC)
TP
(RFO)
TP
(FEO)
TP
(TEO)
TP
(AGCCON)
TP
(FE1)
MHz
2SB710A-RTX
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD STOP
(
no mark : CD STOP
(
) : CD PLAY
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
(Page 33)
HCD-DX60AV/RG70AV
30
30
5-8.
SCHEMATIC DIAGRAM – MAIN Board (1/4) –
• See page 44 for Wavefoms.
• See page 44 for IC Block Diagrams.
IC B/D
IC B/D
IC B/D
MAIN BOARD
(3/4)
1
MAIN BOARD
(2/4)
2
1
2
4.1
4.8
8.7
0.1
10.0
10.2
2.6
2.7
0
0
(5) 0
0
(5) 0
(0.2) 5.3
1.9
(10) 0.1
0
1.1
1.1
2.1
5.3
2.6 (0)
1.7
2.1
2.1
1.7 (2.1)
2.1
5.4
5.4
0.1
1.9 (2.1)
2.1
2.1
1.3 (0)
1.9
1.6
1.6
4.6
5.1
5.1
5.3
0.4
5.4
2.1
1.6
8.0
1.0
1.6
8.0
1.0
0 (2.6)
(RG70AV : AEP)
(DX60AV/RG70AV : US)
(DX60AV/RG70AV : US)
DX60AV/RG70AV :
US
US
(RG70AV : AEP)
(RG70AV : AEP)
(DX60AV/RG70AV : US)
(RG70AV : AEP)
NULL
FM TUNED
LEVEL
(DX60AV/RG70AV : US)
(RG70AV : AEP)
(RG70AV : AEP)
(DX60AV/RG70AV : US)
(RG70AV : AEP)
(DX60AV/RG70AV : US)
(RG70AV : AEP)
(RG70AV : AEP)
(DX60AV/RG70AV : US)
(DX60AV/RG70AV : US)
(RG70AV : AEP)
(RG70AV : AEP)
(RG70AV : AEP)
*
2.9
2.9
5.4
0
2.9
2.7
2.7
2.3
5.4
(RG70AV : AEP)
(DX60AV/RG70AV : US)
(DX60AV/RG70AV : US)
(RG70AV : AEP)
2.1
2.9
0
U
2
u
U
3
u
U
4
u
U
5
u
U
6
u
U
7
u
U
8
u
U
9
u
U
10
u
U
11
u
U
12
u
U
13
u
U
14
u
U
15
u
I
81 i
I
82 i
I
83 i
I
84 i
I
85 i
JK101
ANTENNA
FM
75
Ω
AM
FM 75
Ω
COAXIAL
AM
MAIN BOARD
(1/4)
IC102
FM/AM
PLL
Q101
2SC2410S
RF IF AMP
RF IF AMP
IC101
AM/FM
IF AMP, MPX
BUFFER
BUFFER
Q105
RDS BUFFER
IC103
RDS DECODER
QUAL
RCLK
NC
XO
XI
VDD2
VSS2
T1
T2
RDATA
VREF
MUX
VDD1
VSS1
VSS3
CMP
IC103 BU1924
0.01u
0.01u
0.01U
0.01U
0.01U
0.01U
0.01U
0.01U
0.47u/50V
0.001U
0.001U
0.01U
B+ SWITCH
0.01U
16V
UDZ-6.8B
0.01U
0.01U
0.01U
0.01U
*
*
0.22U/50V
0.047U
*
C131, 132
0.015U
0.01U
0.01U
0.047u
22u/50V
*
C142
100P
470P
470P
0.01U
0.01U
0.01U
FE102
0.01U
0.01U
0.01U
0.01U
0.1U
*
C139
680P
220P
220P
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : AM
(Page 31)
(Page 32)
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