Sony PMC-107L Service Manual
Sony PMC-107L is a versatile personal component system that combines a CD player, radio, and cassette recorder into one compact unit. The CD player features a 200 to 500 rpm spindle speed, providing smooth and accurate audio playback. With a frequency response of 20 to 20,000 Hz, the system delivers clear and dynamic sound reproduction. The radio section offers a wide range of FM and MW/LW frequencies, allowing you to tune in to your favorite stations.
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Ver 1.1 1998. 08
SERVICE MANUAL
PMC-107L
AEP Model
UK Model
Singapore Model
CD player section
System
Compact disc digital audio system
Laser diode properties
Material: GaAlAs
Wave length: 780 nm
Emission duration: Continuous
Laser output: Less than 44.6
µ
W
(This output is the value measured at a distance of about 200 mm from the objective lens surface on the optical pick-up block with 7 mm aperture.)
Spindle speed
200 r/min (rpm) to 500 r/min (rpm) (CLV)
Number of channels
2
Frequency response
20 - 20,000 Hz +1/–2 dB
Wow and flutter
Below measurable limit
Radio section
Frequency range
FM AEP, UK, Singapore model
Italian model
East European model
87.6 - 107 MHz
87.5 - 108 MHz
65 - 74 MHz
87.5 - 108 MHz
531 - 1,602 kHz
153 - 279 kHz
MW
LW
IF
FM: 10.7 MHz
MW/LW: 450 kHz
Aerials
FM: Wire aerial
MW/LW: External aerial
CD
Section
Model Name Using Similar Mechanism CFD-222L
CD Mechanism Type
Optical Pick-up Name
KSM-213CDM
KSS-213C
TC
Model Name Using Similar Mechanism NEW
Section Tape Transport Mechanism Type MF-107
SPECIFICATIONS
Cassette-corder section
Recording system
4-track 2 channel stereo
Fast winding time
Approx. 120 s (sec.) with Sony cassette C-60
Frequency response
TYPE I (normal): 70 - 10,000 Hz
General
Speaker
Full range: 10 cm (4 in.) dia.,
3 ohms, cone type (2)
Outputs
Headphones jack (stereo minijack)
For 16 - 68 ohms impedance headphones
Maximum power output
5 W + 5 W
Power requirements
For personal component system:
230 V AC, 50 Hz
For remote control:
3 V DC, 2 R6 (size AA) batteries
Power consumption
AC 23 W
– Continued on next page –
PERSONAL COMPONENT SYSTEM
MICROFILM
– 1 –
5-6. SCHEMATIC DIAGRAM — CD SECTION — • Refer to page 42 for IC Block Diagrams.
PMC-107L
– 29 –
Note:
• All capacitors are in µ F unless otherwise noted. pF: µµ F
50 WV or less are not indicated except for electrolytics and tantalums.
• All resistors are in
Ω
and 1 /
4
W or less unless otherwise specified.
Note: The components identified by mark !
or dotted line with mark !
are critical for safety.
Replace only with part number specified.
•
•
U
H
: B+ Line.
: adjustment for repair.
• Voltage and waveforms are dc with respect to ground under no-signal conditions.
no mark : CD STOP
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J : CD
– 30 –
PMC-107L
5-8. SCHEMATIC DIAGRAM — PANEL SECTION —
– 33 –
Note on Schematic Diagram:
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
• and tantalums.
• All resistors are in
Ω
and 1 /
4
W or less unless otherwise specified.
C : panel designation.
• U : B+ Line.
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
( ) : PB
< > : REC
[ ] : CD
• Voltages are taken with a VOM (Input impedance 10 M Ω ).
Voltage variations may be noted due to normal production tolerances.
• Abbreviation
EE : East European model.
– 34 –
5-10. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 41 for IC Block Diagrams.
PMC-107L
– 37 –
Note on Schematic Diagram:
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics and tantalums.
• All resistors are in
Ω specified.
and 1 / 4 W or less unless otherwise
• ¢ : internal component.
• C : panel designation.
• U : B+ Line.
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
( ) : MW/LW
< > : MW
[ ] : LW
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production tolerances.
• Signal path.
F f
: FM
: MW
• Abbreviation
EE : East European model.
– 38 –
PMC-107L
5-11. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 41 for IC Block Diagrams.
– 39 –
Note on Schematic Diagram:
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics and tantalums.
• All resistors are in
Ω specified.
and 1 / 4 W or less unless otherwise
• 2 : nonflammable resistor.
• C : panel designation.
Note: The components identified by mark !
or dotted line with mark !
are critical for safety.
Replace only with part number specified.
• U : B+ Line.
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
( ) : PB
< > : REC
[ ] : CD
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production tolerances.
• Signal path.
F : FM
E : PB a : REC
J : CD
• Abbreviation
EE : East European model.
– 40 –
GND1 2
MIX OUT 3
AGC 4
VCC2 5
FM IF IN 6
AM IF IN 7
GND2 8
QUAD 9
ST IND 10
L OUT
R OUT
11
12
• IC Block Diagrams
IC1 TA2008AN
FM RF IN 1
AM
RF
FM
RF
AM
IF
LEVEL
DET
FM
DET
ST
DET
MUTE
AGC
FM
IF
FM
MIX
AM
MIX
AM
DET
1/8 DIV BUFF
IF
BUFF
AF
BUFF
AM
OSC
FM
OSC
BUFF
AM/FM
ST/MONO
SW
FM
MPX
24 AM RF IN
23 FM RF OUT
22 AM OSC
21 FM OSC
20 VCC1
19 OSC OUT
18 IF OUT
17 DET OUT
16 MPX IN
15
14
13
LPF1/BAND
LPF2/MO-ST
VCO
XOUT 1
XIN 2
NC 3
CE 4
CK 5
DA 6
CD 7
IC2 BU2615S
UNLOCK
REFERENCE
DIVIDER
PHASE
DET
I/O
CTL
MAIN
COUNT
PRESCALER
P0 8
P1 9
P3 10
20 BIT
COUNT
IF
COUNT
CTL
P4 11
BUFFER
13 P6
12 PD2/P5
22 VSS
21
20
19
18
PD1
NC
17 FMIN
16 AMIN
15 P2
14 IFIN
IC301 TA2068N
ALC
NAB
OUT1
1
2
NAB
NF1
3
REC
OUT1
NAB
IN1
4
5
VREF
GND
6
REF
AMP
7
NAB
IN2
8
REC
OUT2
9
NAB
NF2
10
NAB
OUT2
11
2.1
NAB
AMP2
REC
AMP1
26dB
NAB
AMP1
BUF AMP
A1
REC
AMP2
26dB
MIC
AMP1
BUF AMP
A2
MIC
NF
12
TAPE
LINE
RADIO
24
LINE
IN1
23
INT
EXT
22
RADIO
IN1
21
REC
PLAY
BUF AMP
B1
MUTE
MONITOR
AMP
ON
ON
BUF AMP
B2
MUTE
7dB
7dB
MONITOR
AMP
20
PRE
OUT1
LOGIC 19 VCC
18
PRE
OUT2
17
RADIO
LINE
RADIO
TAPE
LINE
16
RADIO
IN2
15
TAPE
TAPE
14
LINE
IN2
13
MIC
IN
IC302 BH3854AFS
AGND
IN1
NF1
1
2
3
BVN1
BIN1
BVO1 6
4
5
TIN1
TVO1
7
8
OUT1 9
VCC 10
SC 11
PORT1 12
PORT2 13
PORT3 14
PORT4 15
DGND 16
MATRIX
SURROUND
VR VR
32
31
FILTER
IN2
30 NF2
29 BVN2
28
27
26
25
BIN2
BVO2
TIN2
TVO2
24 OUT2
23
22
21
20
VC
TC
BC
CK
19
18
17
DATA
LATCH
VREF
IC303 LA4597
1 2 3
CH-1
BIAS
CIRCUIT
STANDBY
SWITCH
4
CH-2
5 6 7
T.S.D
8 9 10 11 12 13
– 41 –
IC701 CXA1782BQ
36 35 34 33 32 31 30 29 28 27 26 25
APC
LEVEL S
FE BIAS
VEE
37
41
TED 42
LPFI
TEI
43
44
ATSC
TZC
TDFCT
45
46
47
VC 48
F 38
E 39
EI 40
RF IV AMP1
MIRR
DFCT
IIL
TTL
24 SENS
23 C.OUT
RF IV AMP2
F IV AMP
TTL
IIL
FZC COMP
IIL DATA REGISTER INPUT SHIFT REGISTER
ADDRESS DECODER
OUTPUT DECODER
TOG1-3
BAL1-3
FS1-4 TG1-2 TM1-7 PS1-4
TTL
IIL
22 XRST
21 DATA
20 XLT
19 CLK
18 VCC
E IV AMP
TE AMP
WINDOW COMP
ATSC
DFCT
TZC COMP
DFCT
TM1
HPF COMP
TG1
FCS PHASE
LPF COMP
COMPENSATION
FS1
FS2
TRACKING
PHASE
COMPENSATION
TM6
TM5
TM4
TM3
TM7
FS4
1 2 3 4 5 6 7 8 9
ISET
TM2
10 11 12
17 ISET
16
15
14
13
SL O
SL M
SL P
TA O
– 42 –
FOK 1
MON
MDP
MDS
LOCK
TEST
2
3
4
5
6
FILO
FILI
PCO
VSS
AVSS
CLTV
AVDD
7
8
9
10
11
12
13
RF
BIAS
ASYI
ASYO
ASYE
14
15
16
17
18
WDCK 19
IC702 CXD2507AQ IC703 BA5930FP
64 63 62 61 60 59 58 57 56 55 54 53 52
SERVO AUTO
SEQUENCER 5
14
CPU
INTERFACE
SUB CODE
PROCESSOR
4
DIGITAL
PLL
EFM
DEMODULATOR
ASYMMETRY
CORRECTOR
5
3
D/A
INTERFACE
16K
RAM
ERROR
CORRECTOR
3
6
DIGITAL
CLV
DIGITAL
OUT
SL– 1
D.BUF
SL+
2
DATA
XRST
SENS
MUTE
SQCK
SQSO
EXCK
SBSO
SCOR
VSS
WFCK
EMPH
48
47
46
45
51
50
49
44
43
42
41
40
SLIN
NC
NC
NC
3
4
5
6
MUTE 7
GND 8
D.BUF
DRIVER-
MUTE
39 DOUT
SPIN 9
NC 10
LEVEL
SHIFT
D.BUF
LEVEL
SHIFT
38
37
36
35
34
33
C4M
FSTT
XTSL
XTAO
XTAI
MNTO
SP–
SP+
GND
SPO
11
12
13
14
D.BUF
LEVEL
SHIFT
LEVEL
SHIFT
28 GND
27 F–
D.BUF
26 F+
D.BUF
VCC
VCC
25 FIN
24 NC
23 VREF
22 VCC
21 VCC
20 NC
19 TIN
D.BUF
D.BUF
18 T–
17 T+
16 VREF
15 SPI
20 21 22 23 24 25 26 27 28 29 30 31 32
IC704 SM5877AM
24 23 22 21 20 19 18 17 16 15 14 13
R
R
L
L
1 2 3 4 5 6 7 8 9
– 43 –
10 11 12

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