DOWNLOAD Sony PMC-DR45L Service Manual ↓ Size: 7.96 MB | Pages: 71 in PDF or view online for FREE

Model
PMC-DR45L
Pages
71
Size
7.96 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
pmc-dr45l.pdf
Date
PREV: Sony TCS-100DV Service Manual

Sony PMC-DR45L Service Manual ▷ View online

– 25 –
– 26 –
6-2. CIRCUIT BOARDS LOCATION
Pin No.
Pin Name
I/O
Pin Description
51
A-MUTE
O
System mute signal output
52
B-MUTE
O
Tuner mute signal output
53
C-MUTE
O
CD mute signal output
54
LINE-MUTE
O
Line out mute signal output
55
C-AGCCNT
O
CD AGC control signal output
56
T-REC
O
Tape REC signal output
57
T-BIAS
O
Tape bias signal output
58
T-SOL.
O
Tape solenoid signal output
59
T-MTR
O
Tape motor signal output
60
ISS1
O
ISS1 signal output
61
ISS2
O
ISS2 signal output
62
PWR-SAVE
O
Power save signal output
63
P-CON
O
Power control signal output
64
T-AMS.MUTE
O
Not used. (Open)     Tape AMS mute signal output
65
LINE
O
Not used. (Open)     Line out signal output
66
RDS-ON
O
RDS on signal output
67
TAPE
O
Tape function signal output
68
TU
O
Tuner function signal output
69
CD
O
CD function signal output
70, 71
NC
—
Not used. (Open)
72 – 87
SEG16-1
O
Segment signal output
88
NC
—
Not used. (Open)
89
VDD
—
Power supply pin
90
NC
—
Not used. (Open)
91
G12
O
GRID 12 signal output
92
G11
O
GRID 11 signal output
93
G10
O
GRID 10 signal output
94
G9
O
GRID 9 signal output
95
G8
O
GRID 8 signal output
96
G7
O
GRID 7 signal output
97
G6
O
GRID 6 signal output
98
G5
O
GRID 5 signal output
99
G4
O
GRID 4 signal output
100
G3
O
GRID 3 signal output
– Main Section –
– Speaker (L) Section –
HEAD RELAY board
TC RF board
TC board
MAIN board
TUNER board
CD board
LINE board
H/P board
LOADING board
FRONT board
CONTROL board
TOP board
POWER board
SPEAKER board
PMC-DR45L
6-3. BLOCK DIAGRAM — TUNER SECTION —
– 27 –
– 28 –
TUNER BOARD
CONTROL BOARD   (1/3)
MAIN 
BOARD   
      (1/3)
• Signal path
             : FM
             : MW/LW
  R-ch : same as L-ch.
1
5
8
6
7
ANT
VT
OSC OUT
VCC
IF OUT
1
18
16
13
15
9
21
19
23
8
7
11
9
12
19
18
17
2
3
4
5
14
21
13
20
FM
IF
IF AMP
Q1
TU1
TUNER UNIT
AM/FM
IF
BUFFER
FM
DET
DECODER
ANTI-BIRDIE
DET OUT
AM
Q3
LEVEL
DET
AM
RF AMP
MW/LW RF
BUFFER
Q6
AGC
AM
DET
12
7
8
9
10
11
13
1
27
28
29
30
31
2
31
5
4
3
2
1
30
8
22
3
CT2,L4
LW TRACKING
CT1,L3
MW TRACKING
MW
FREQUENCY
COVERAGE
L5
J1(1/2)
EXT ANT
J1(2/2)
MW/LW
6
5
12
7
8
9
10
11
13
7
10
12
11
11
14
13
15
52
24
2
4
6
24
AM
IF
AM
OSC
AM
MIX
TUNING
DRIVE
BUFFER
COMP
STEREO
SWITCH
PILOT
CANCEL
PILOT
DET
FF
VCO
P-DET
14
17
S-CURVE
1
FM/MW/LW FRONT END,IF DET,
FM STREO DEMODULATOR
IC1
FM ON
SWITCH
Q2
TU+7.5V
CF1
CF2
CF3
FM IF IN
FMDET
AFC
AM
RF IN
AM
MIX OUT
AM
IF IN
TU 
LED
ST 
LED
IF 
OUT
ST
S/W
BAND
SW
OSC
OUT
AM
OSC
IN
REG
SD
B-MUTE
R-CONT
R-CLK
R-DATA
R-CE
SYSTEM 
CONTROL
IC801(1/3)
SD CLK
B-MUTE
R-CLK
R-CNT/ST
R-DATA
R-CE
DET-OUT
SD CLK
B-MUTE
R-CLK
R-CONT
R-DATA
R-CE
MO/ST
IF IN
AM IN
BAND
BAND
XIN
CE
DI
CL
DO
XOUT
FM IN
LP OUT
LP IN
PD
MW
ST IND
DET-OUT
SD
DET-OUT
6
X1
75kHz
MW/LW
LOOP
ANTENNA
FM
DET OUT
AM
DET OUT
R CH
L CH
TU+7.5V
TU
+7.5V
T1
IFT COIL
TU
+7.5V
VCC
CT3
CT1
CT2
LW
SWITCH
Q9
MW/LW
SWITCH
Q4
LW
SWITCH
Q8
L5
AM OSC
L3
MW RF
L4
LW RF
MW
SWITCH
Q7
MW
SWITCH
Q5
VCC
TAPE
SECTION
2
POWER SECTION
CNP305
(1/2)
CNP307
(1/3)
CNP1
(2/2)
CNP801
(1/3)
PLL
IC2
CNP1
(1/2)
04
CT3
LW
FREQUENCY
COVERAGE
MPX IN
PLL IN
PILOT DET
L OUT
R OUT
CF4
SYSTEM CONTROL,
AM IF
(Page 31)
(Page 33)
6-4. BLOCK DIAGRAM — CD SECTION —
PMC-DR45L
– 29 –
– 30 –
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
10
9
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
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
14
38
42
31
32
30
1
2
3
4
5
6
7
8
9
20
26
25
50
53
18
16
55
19
20
47
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
XRST
MUTE
DATA
XLAT
CLK
SENS
SCLK
SCOR
C-SQSO
60
71
70
72
66
67
3 DOUT
2
1
5V
C-SQCK
C-RST
C-MUTE
C-DATA
C-XLAT
C-CLK
C-AGCCONT
C-OPEN.I
C-CLOSE.I
C-OPEN.O
C-CLS.O
C-SENS
C-SCLK
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
CLOSE-I
OPEN-O
CLOSE-O
1
3
2
2
DIN
CD+5V
3
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
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 31)
PMC-DR45L
– 31 –
– 32 –
CNP301
4
SYSTEM CONTROL,
POWER SECTION
TC BOARD
TC RF  BOARD
POWER BOARD  (1/2)
SPEAKER
 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
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
TU+7.5V
CD+7.5V
CD+5V
L-CH
L-CH
TU+7.5V
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
18
20
4
3
3
3
15
21
4
5
2
1
4
5
2
1
MUTE
Q103
MUTE
Q106
TU/TAPE
SWITCH
Q319,320
MUTE
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
LINE MUTE
TAPE
A-MUTE
ISS1
CNP309
(1/2)
CNP902
(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
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
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
AUDIO
+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
               : MW/LW
               : 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 30)
(Page 28)
(Page 33)
(Page 33)
Page of 71
Display

Click on the first or last page to see other PMC-DR45L service manuals if exist.

RANDOM: