Sony PMC-DR45 Service Manual ▷ View online
6-4. BLOCK DIAGRAM — CD SECTION —
PMC-DR45
– 27 –
– 28 –
A
CNP701
C
B
E
F
D
LD
PD
TRACKING
COIL
FOCUS
COIL
OPTICAL
PICK-UP
(KSS-213C)
M701
(SLED)
S701
(LIMIT)
S651
(LOADING IN/OUT DET)
CD BOARD
LINE BOARD (1/2)
CONTROL BOARD (2/3)
LD
DRIVE
Q701
3
2
4
1
12
11
10
13
14
9
7
5
16
CNP702
CNP803
CNP704
CNP312
CNP703
15
14
13
12
11
11
10
9
8
7
7
6
5
4
3
3
2
1
1
2
3
4
5
5
6
7
8
9
9
10
11
12
13
14
15
11
10
•
19
12
14
13
5
6
16
17
5
43
51
75
77
76
39
41
40
40
14
38
42
31
32
30
1
2
3
4
5
5
6
7
8
9
20
26
25
50
53
18
18
16
55
19
20
47
48
48
17
27
21
4
33
28
29
26
27
6
14
7
13
8
22
4
15
12
3
11
10
24
20
2
3
17
24
M702
(SPINDLE)
18
23
M651
(LOADING)
8
7
2
6
3
SQSO
SQCK
SQCK
XRST
MUTE
MUTE
DATA
XLAT
XLAT
CLK
SENS
SENS
SCLK
SCOR
SCOR
C-SQSO
60
71
70
72
66
67
3 DOUT
2
2
1
5V
C-SQCK
C-RST
C-MUTE
C-MUTE
C-DATA
C-XLAT
C-XLAT
C-CLK
C-AGCCONT
C-OPEN.I
C-CLOSE.I
C-OPEN.O
C-OPEN.O
C-CLS.O
C-SENS
C-SCLK
C-SCOR
C-SCOR
SQSO
DOUT
LOUT
CD+5V
SQCK
XRST
MUTE
DATA
XLAT
CLK
SENS
SQSO
SQCK
XRST
SYSM
DATA
XLAT
CLK
SENS
SCLK
SCOR
SCLK
SCOR
AGCCONT
OPEN-O
CLOSE-O
OPEN-I
CLOSE-I
AGCCONT
OPEN-I
OPEN-I
CLOSE-I
OPEN-O
CLOSE-O
1
3
2
2
DIN
CD+5V
CD+5V
3
2
6
2
6
6
5
2
4
1
6
5
2
4
1
LOADING BOARD
3
CD+5V
LOUT
CD+7.5V
CD+5V
CD+7.5V
TAPE
SECTION
CD+5V
CD+5V
A
RFDC
RFAC
FE
XLON
VC
CE
TFDR
TRDR
FFDR
FRDR
SFDR
SRDR
MDP
SSTP
TE
SE
SE
LOUT2
AOUT2
AIN2
LOUT1
AOUT1
AIN1
DOUT
XTAI
XTAO
RFO
RFI
FE
TE
VCC
AGCCONT
LD ON
RFE
B
C
D
E
F
LD
A
B
C
D
E
F
PD
VC
LD
PD
VC
25
15
16
CD+7.5V
27
20
INTER-
FACE
INTER-
FACE
INTER-
FACE
LEVEL
SHIFT
MUTE
VREF
TFDR
TRDR
FFDR
FRDR
SFDR
SRDR
SPIN
T+
SL+
SP+
T-
SL-
SP-
F+
F-
T+
SL+
SP+
T-
SL-
SP-
F+
F-
SLED,SPINDLE MOTOR
DRIVE
IC703
OPEN-O
CLOSE-O
OPEN-I
VCC
CLOSE-I
OPEN-I
OPEN-O
CD+7.5V
CLOSE-I
CLOSE-O
CN651
CNJ702
D702-705
SYSTEM CONTROL
IC801(2/3)
IC704
OPTICAL
DIGITAL OUT
(CD)
DIGITAL SIGNAL PROCESSOR,
D/A CONVERTER
IC702
CD RF
IC701
VCC
R CH
• Signal path
: CD
R-ch : same as L-ch.
04
X701
16.934MHz
LOADING MOTOR DRIVE
IC651
(Page 29)
PMC-DR45
– 29 –
– 30 –
CNP301
CN301
4
SYSTEM CONTROL,
POWER SECTION
TC BOARD
TC RF BOARD
POWER BOARD (1/2)
SPEAKER
BOARD
HEAD
RELAY
BOARD
H/P BOARD
LINE BOARD (2/2)
MAIN BOARD (2/3)
L.NF
L.PO
3
CD
SECTION
5
SYSTEM CONTROL,
POWER SECTION
1
TUNER
SECTION
REC/PB PRE AMP
IC301
04
1
2
4
3
5
6
6
1
2
4
3
5
6
6
NF
R.NF
R.PO
REF
R.IN
R.RO
L.RO
L.IN
R-CH
R-CH
NF
5
3
2
24
5
19
20
40
7
13
7
12
14
17
15
16
21
37
1
1
6
3
20
8
10
6
11
9
4
3
CD+7.5V
CD+5V
CD-L
TU-L
CN306
CNP305(2/2)
CNJ314
CNP314
RA+6V
CD+7.5V
CD+5V
L-CH
L-CH
RADIO 6V
1
5
6
5
REC/PB
SWITCH
Q305
REC/PB
SWITCH
Q306
BIAS
CONTROL
Q304
BIAS
SWITCH
Q308
REC
SWITCH
Q307
ERASE
SWITCH
Q334
REC/PB
SWITCH
Q302,303
REC/PB
SWITCH
Q304
ISS
SWITCH
Q310,311
BIAS OSC
Q301
11
10
9
8
7
4
3
1
2
3
4
5
6
6
8
1
T301
BIAS OSC
11
2
10
9
2
1
3
4
21
15
13
14
24
12
6
5
16
17
17
18
20
20
4
3
3
3
3
15
21
4
5
2
1
4
5
2
1
MUTE
Q103
MUTE
Q106
TU/TAPE
SWITCH
Q319,320
MUTE
Q101,
Q101,
102
MUTE
Q104
2
1
ISS
SWITCH
Q332,333
TC CONTROL
SWITCH
Q330
HALF DET
Q329
PLUNGER
DRIVE
Q331
5
4
3
1
5
4
3
1
MUTE
SWITCH
Q316,317
MUTE
Q105
2
5
SP101
SPEAKER
L-CH
SP201
SPEAKER
R-CH
-1 L
-2 R
-1 L
-2 R
R-CH
J302
SIGNAL OUT
J321
SIGNAL IN
PLUNGER
SOLENOID
PM691
ROTATION
DET
PH691
TC-SOLENOID
TC-STATUS
TC-MODE
TC-COUNT(END)
TC-REC
TC-BIAS
ISS2
TC-AMS
V-DA/LT
V-CLK
V-DA/LT
V-CLK
LINE MUTE
TAPE
A-MUTE
ISS1
CNP309
(1/2)
CNP902
(1/2)
(1/2)
CNJ310
CNP313
CNP307
(2/3)
R-CH
R-CH
R-CH
R-CH
R-CH
LINE-L
TAPE-SW
ISS1
ISS2
TC-BIAS
TC-REC
TC.O-L
R-CH
LINE IN-L
OUT-L
TAAPE
REC
AUDIO
+7.5V
AUDIO
+7.5V
+7.5V
COM
+5.6V
LINE IN-L
LINE.O-L
FR.IN-L
OUT-L
OUT-R
VCC
V-DAT/LAT
V-CLK
OUTPUT
TC.IN-L
CD.IN-L
TU.IN-L
INPUT
R-CH
AUDIO
+7.5V
+7.5V
TU
AMS
IC304
J901
SPEAKER
OUT R-CH
IMPEDANCE USE4
Ω
CNP911
CNP903
POWER AMP
IC311
STANDBY
R-CH
V+5V
STANDBY
S691
(HEAD POSITION)
S692
(HALF DET)
M691
(CAPSTAN/REEL)
S693
(CrO2)
S694
(FWD ERASE PROOF)
S695
(REV ERASE PROOF)
AUDIO
+7.5V
+7.5V
AUDIO
+7.5V
+7.5V
L-CH
R-CH
ERASE
HRPE301
REC/PB/ERASE
HEAD
CNP311
CNP302
CNJ304
CNP303
J311
LINE OUT
J312
LINE IN
SOUND AMP
IC302
J301
i
HEADPHONE
AMP
IC303
• Signal path
: FM
: AM
: CD
: TAPE
: LINE
• R-ch : same as L-ch.
9
5
3
7
2
1
4
9
5
3
7
2
1
4
8
8
TC MTR
+9.5V
PHOTO
MODE
HALF
CrO
2
R-FWD
R-REV
SOL
6-5. BLOCK DIAGRAM — TAPE SECTION —
(Page 28)
(Page 26)
(Page 31)
(Page 31)
PMC-DR45
– 31 –
– 32 –
CNP801(2/3)
4
TAPE
SECTION
COM
+5.6V
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
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
X801
32kHz
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
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
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
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 30)
(Page 30)
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
PMC-DR45
– 33 –
– 34 –
6-7. PRINTED WIRING BOARD — TUNER SECTION —
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.
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
: AM
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.)
D1
B-8
D2
B-8
D3
C-5
D4
B-6
D5
D-6
IC1
E-7
IC2
D-3
• Semiconductor
Location
Ref. No.
Location
1
A
B
C
D
E
F
2
3
4
5
6
7
8
9
10
11
-2
EXT ANT
-1
AM
TP(VT)
TM1
1
MAIN BOARD
CNP305
1-677-166-
(11)
11
(Page 45)
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