Sony PMC-D407L Service Manual ▷ View online
– 57 –
– 58 –
PMC-D407L
6-17. SCHEMATIC DIAGRAM — WOOFER SPEAKER SECTION — • Refer to page 64 for IC Block Diagrams.
Note:
• 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.
•
C
: panel designation.
•
U
: B+ Line.
• Voltages and waveforms are dc with respect to ground in
playback mode.
no mark : FM
no mark : FM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
Note: The components identified by mark
!
or dotted line
with mark
!
are critical for safety.
Replace only with part number specified.
6-18. PRINTED WIRING BOARDS — POWER AMPLIFIER SECTION — • Refer to page 22 for Circuit Boards Location.
PMC-D407L
– 59 –
– 60 –
Note:
• X
: parts extracted from the component side.
• b
: Pattern from the side which enables seeing.
04
(Page 44)
6-19. SCHEMATIC DIAGRAM — POWER AMPLIFIER SECTION —
– 61 –
– 62 –
PMC-D407L
Note:
• 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.
•
2
: nonflammable resistor.
•
C
: panel designation.
•
U
: B+ Line.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
no mark : FM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Signal path.
F
: FM
Note: The components identified by mark
!
or dotted line
with mark
!
are critical for safety.
Replace only with part number specified.
(Page 47)
– 63 –
– 64 –
• IC Block Diagrams
IC1
TA2008AN
IC2
BU2615S
18
13
14
19
20
21
10
11
12
9
8
7
6
5
4
3
1
2
22
23
24
AM
RF
FM
RF
BUFF
BUFF
IF
BUFF
AF
BUFF
AM
IF
FM
IF
FM
OSC
AM
MIX
AM
DET
AGC
FM
MIX
AM
OSC
17
16
1/8DIV
LEVEL
DET
FM
DET
ST
DET
MUTE
FM MPX
15
AM/FM
ST/MONO
SW
2
19
11
18
17
20
13
1
16
15
3
4
5
6
7
PRESCALER
MAIN COUNT
REFERENCE DIVIDER
I/O
CTL
8
14
SHIFT REGISTER LATCH
PHASE
DET
BUFFER
IF COUNT
CTL
20BIT COUNT
12
10
9
ULLOCK
P5
PD1
PD2/P5
VDD1
VDD2
VSS
VSS
IF IN
P3
P4
P6
P2
P1
P0
CD
DA
CK
CE
AMIN
FMIN
XOUT
XIN
23
22
21
4
5
6
3
2
1
20
24
7dB
LOGIC
ALC1
DET
26dB
15
16
17
9
8
7
10
11
12
18
19
14
13
7dB
ALC2
26dB
15k
6k
6k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
1k
1k
1k
1k
LINE
RADIO
RADIO
TAPE
TAPE
TAPE
LINE
IN1
INT
EXT
RADIO
IN1
RADIO
LINE
RADIO
IN2
TAPE
TAPE
LINE
IN2
MIC
IN
REC
PLAY
PRE
OUT1
PRE
OUT2
VCC
LINE
TAPE
BUF AMP
A2
BUF AMP
B1
BUF AMP
B2
BUF AMP
A1
MIC
AMP1
MUTE
MUTE
MUTE
ON
ON
ON
NAB
AMP2
MONITOR
AMP
MONITOR
AMP
NAB
AMP1
REC
AMP2
REC
AMP1
REF AMP
2.1
NAB
OUT1
NAB
NF1
REC
OUT1
NAB
IN1
NAB
IN2
REC
OUT2
NAB
NF2
NAB
OUT2
MIC
NF
VREF
GND
ALC
9
8
7
6
5
4
3
2
1
S
R
Q
B+
COMPARATOR
COMPARATOR
COMPARATOR
F.F.
PRE AMP
VCC
OUT
NOISE FILTER
MUTING
GND
NFB
IN
SENSE TIMING
PULSE WIDTH
IC301
TA2068N
IC404
BU1924F
IC305
BA338
IC601
TDA2052V
3
4
5
6
7
2
1
OUT
VDD
MUTE/
STANDBY
VEE
IN1+
IN–
IN2+
MUTE/
ST-BY
ST-BY
2
1
3
4
16
14
13
15
12
11
10
9
5
6
7
8
VREF
ANALOG
RCLK
(NC)
X2
X1
VDD2
VSS2
T1
T2
DIGITAL
QUAL
RDATA
VREF
MUX
VDD1
VSS1
VSS3
CMP
TEST
PLL
57KHz
RDS/ARI
CLOCK
&
DRIVER
DEFFERENTIAL
DECODER
BIPHASE
DECODER
PLL
1187.5Hz
ANTI-ALIASING
8TH SWITCHED
CAPACITOR FILTER
COMPARATOR
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