Sony PMC-DR45L Service Manual ▷ View online
PMC-DR45L
– 33 –
– 34 –
CNP801(2/3)
4
TAPE
SECTION
2
DET OUT
SD
COM
+5.6V
COM
+5.6V
TUNER
SECTION
5
TAPE
SECTION
7
38
42
43
39
40
49
69
63
68
59
45
62
8
31
10
12
54
54
67
51
61
61
60
57
56
58
35
9
5
6
23
22
66
11
17
20
18
8
19
28
29
26
27
27
14
15
16
15
16
12
7
9
6
13
23
10
24
•
25
23
26
19
9
22
25
7
•
8
6
7
5
2
8
•
9
5
6
2
7
8
•
9
2
1
CONTROL BOARD (3/3)
TOP BOARD
FRONT BOARD
MAIN BOARD (3/3)
POWER BOARD (2/2)
87
I
72
1
•
2
•
I
91
100
2
3
2
4
1
4
2
5
2
1
2
16
5
4
12
14
X801
32kHz
X811
4.33MHz
X802
8MHz
TC MTR
+9.5V REG
Q328
RELAY+5V
REG
Q335
MOTOR+9V
REG
Q326
Q327
RELAY+5V
FLT
CD+5V
REG
Q314
COM+5.6V
REG
IC305
AUDIO+7.5V
REG
Q325
CD+7.5V
REG
Q321
COM+5V
REG
Q324
TU+7.5V
SWITCH
Q312
H/P AMP
SWITCH
Q318
S801-811
S818-821
S822-833
SIRCS
RECEIVER
IC804
RESET
IC802
RECT
D906-909
FLAC+3.5V
REG
Q910,911
RECT
D901-904
S812-817
KEY1
KEY2
KEY3
RMC
RMC
KEY2
KEY3
KEY1
KEY2
RMC
KEY2
KH811
FDP801
FLUORESCENT
INDICATOR
TUBE
D802
RST
TX
TEX
EXTAL
XTAL
SFT-CLK
CD
P-CON
TU
T-MTR
VFDP
PWR-SAVE
KEY1
KEY2
KEY3
RMC
MUX
VDD1
VDD2
XO
RDATA
RCLK
T-AMS
V-DA/LT
V-CLK
V-CLK
LINE MUTE
TAPE
A-MUTE
ISS1
ISS1
ISS2
T-BIAS
T-BIAS
T-REC
T-SOL.
T-SOL.
T-STAT
T-MODE
T-MODE
T-CNT(END)
TC-AMS
V-DA/LT
V-CLK
LINE MUTE
TAPE
A-MUTE
ISS1
ISS2
TC-BIAS
TC-REC
TC-SOLENOID
TC-STATUS
TC-MODE
TC-CNT(END)
REG CHK
RDS DATA
RDS CLK
RDS ON
RDS ON
CONTROL
Q812
RDS
SWITCH
Q811
VOLTAGE
CHECK
Q803
SYSTEM CONTROL
IC801(3/3)
COM
+5.6V
Q802
Q801
CLOCK SHIFT
Q801,802
CNP801(3/3)
CNP307(3/3)
CD
P CONTROL
TU
TC MTR
VFDP
AC1,2
PWR SAVE
CD
P
CONTROL
TU
TC MTR
VFDP
AC1,2
PWR SAVE
SEG1
I
SEG16
G1
G12
29
30
30
13 XI
RDS
IC803
CNP802
CNP804
TC MTR
+9.5V
COM
+5.6V
Q313
Q323
Q315
TU+7.5V
+5V
COM
+5V
CD
+7.5V
AUDIO
+7.5V
CD
+5V
POWER
SWITCH
Q322
DC+12V
DC+12V
FL-35V
CNP309
(2/2)
CNP902
(2/2)
(2/2)
Q912
Q913
Q906
Q907
Q905
Q904
Q903
Q902
Q901
Q908
Q909
RELAY+5V
P-SAVE
AC1,2
F902
F901
RELAY
+5V
RY901
T901
POWER
TRANSFORMER
LF901
LINE
FILTER
CNP901
(AC IN)
04
TU
6-6. BLOCK DIAGRAM — SYSTEM CONTROL, POWER SECTION —
(Page 32)
(Page 28)
(Page 32)
PMC-DR45L
– 35 –
– 36 –
6-7. PRINTED WIRING BOARD — TUNER SECTION —
1
A
B
C
D
E
F
2
3
4
5
6
7
8
9
10
11
12
TP
(VT)
D1
F-9
D2
F-9
D3
F-8
D4
F-8
D5
F-9
D6
F-9
D10
B-9
IC1
C-5
IC2
E-5
Q1
D-7
Q2
E-6
Q3
A-4
Q4
C-8
Q5
D-8
Q6
B-9
Q7
C-8
Q8
C-9
Q9
C-9
• Semiconductor
Location
Ref. No.
Location
(Page 47)
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
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
• All capacitors are in µF unless otherwise noted. pF: µµF
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.
•
%
: indicates tolerance.
•
f
: internal component.
•
C
: panel designation.
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
(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.
•
U
: B+ Line.
•
V
: B– Line.
•
H
: adjustment for repair.
• 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.
• Signal path.
F
: FM
f
: MW/LW
L
: LINE
E
: PB
a
: REC
J
: CD
c
: digital out
for Printed Wiring Boards:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
a
: Through hole.
• b
: Pattern from the side which enables seeing.
(The other layer’s patterns are not indicated.)
PMC-DR45L
– 37 –
6-8. SCHEMATIC DIAGRAM — TUNER SECTION — • Refer to page 67 for IC Block Diagrams. Refer to page 35 for Note.
– 38 –
(Page 49)
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
(
no mark : FM
(
) : MW
<
> : LW
IC2
wa
(X OUT)
• Waveform
1
0.9Vp-p
75kHz
5
µ
sec/div
20mV/div
PMC-DR45L
– 39 –
– 40 –
6-9. PRINTED WIRING BOARDS — CD SECTION — • Refer to page 36 for Note.
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
8
9
10
11
12
13
14
TP
(VC)
TP
(RF)
S701
(LIMIT)
FX
FY
FY
TP(FE)
TP(TE)
D701
C-10
D702
C-7
D703
D-7
D704
G-8
D705
G-8
IC651
G-3
IC701
F-12
IC702
E-10
IC703
B-8
Q701
G-14
• Semiconductor
Location
Ref. No.
Location
(Page 61)
(Page 54)
(Page 47)
• Waveforms
1
2
3
4
IC702
yj
(XTAO)
Approx. 50mVp-p
IC701
qf
(FE)
IC701
qh
(RFO)
IC701
qd
(TE)
Approx. 50mVp-p
1.1-1.3Vp-p
4.8Vp-p
16.9344MHz
20
µ
sec/div
2mV/div
20
µ
sec/div
2mV/div
0.5
µ
sec/div
50mV/div
50nsec/div
0.2V/div
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