Sony PMC-R30L Service Manual ▷ View online
6-4. BLOCK DIAGRAM — MAIN SECTION —
PMC-R30L
– 19 –
– 20 –
M
5
4
21
6
24
99
100
18
17
16
15
40
39
37
14
50–53
15
75
17
13
12
20
19
18
21
20
19
13
26
21
20
31
24
11
5
5
23
22
PBIN1
REC1
P/R
VREF
VREF
RAIN1
TAPE
CDIN1
CD L-CH
ALC AMP
SW301
REC
PB
-1
-2
CONTROL
SEL
OUT1
PRE-AMP
IC301
R-CH
R-CH
L-CH
HRP301
RECORD/PLAYBACK
HEAD
1
CD
SECTION
S302
(MD PLAY)
S301
(MD POWER)
PLAY
COM0
REC
COM3
54–73,77–88,94–98
92•93
30–32
SEG0
SEG36
R-CE
R-CLK
R-DATA
R-COUNT
LCD801
SURROUND
TONE
VOL
CONTROL
PORT2
PORT1
CLK
DATA
BC
LATCH
VOLUME/SOUND CONTROL
IC302
POWER AMP
IC303
Q304
SP301
SPEAKER
(L-CH)
R-CH
R-CH
J302
PHONES
V-CE
A-MUTE
25
PA-CON
38
29
RST
RDS IND
V-DATA
V-CLK
TAPE
X802
32.768kHz
X801
8MHz
CLOCK
SHIFT
Q802
CLOCK
SHIFT
Q801
R-ST
KEY1
KEY3
3
IR
RECEIVER
IC802
RMC
8
CLK
9
DATA
SHIFT-CLK
EXTAL
XTAL
TEX
TX
1
REG
REG
CON
RESET
IC804
REG
Q309,310
LED DRIVE
Q803
REG
Q308
REG
IC803
T901
POWER
TRANSFORMER
SYSTEM CONTROL
IC801 (2/2)
S801–803,
807
S808–823,
825,826
S805,806
RECT
D901–904
SWITCH
Q807
D905
AC IN
MUTE
CONTROL
Q305,311, 313
STBY
OUT2
VC
IN2
+8V
M301
CAPSTAN /REEL
MOTOR
RA 5V
+5V
VREF
VREF
BIAS
OSC
Q303
REC/PB
SW
Q301, 312
REC
PB
T301
REC
BIAS
Signal path
: FM
: MW
: PB
: REC
: CD
R-ch : same as L-ch.
RDS
VDD
5V
S824
RESET
8V
D806
R•D•S
COM5V
VDD5V
REG
Q314
CD6V
VCC
4
11
5
6
7
CE
CK
DA
CD
CE
CK
DA
CD
MW
10 LW
21
17 16
1
2
8
13
13
18
14
17
19
20
21
24
1
7
8
5
22
4
6
16
15
11
12
10
2
PD1
FM IN
AM IN
XOUT
XIN
IF IN
MO/ST
FM
X1
75kHz
9
IF REG
15
14
AM
OSC
FM
OSC
AM
MIX
FM
MIX
AM IN
IF
BUFFER
MO/ST
BAND
ST-IND
AM
DET
7
FM
DET
AF
BUFFER
FM
MPX
MUTE
R-CH
QUAD
R
L
CF3
CF2
CF1
CFT1
Q9
LW
SWITCH
Q5
LW
SWITCH
Q4
LPF
Q16
VT
Q17
MW/LW
SWITCH
Q2,3
L3, 4
(MW/LW ANT)
CT1
CT2
AMP
Q1
8V
D302
Q7
Q6
D3
RADIO 5V
L5
CT3
CT4
FM/MW/LW FRONT-END, IF DET,
FM STEREO DEMODULATOR
IC1
PLL
IC2
Q15
Q20
Q8
Q11
Q14
OSC
CNP2
MW/LW
FM
CNP1
POWER
CONTROL
Q10,22
AMP
Q18
AM HI-CUT
Q13
TU8V
8V
POWER
CONTROL
Q21
RDS5V
RA5V
L15
B-MUTE
ANT
VT
OSC OUT
IF OUT
TU1
12
RDATA
RDATA
16
RCLK
RCLK
4
MUX
13
XI
14
XO
X2
4.332MHz
RDS
MODULATOR
IC3
CE
CK
DA
CD
RDATA
RCLK
LED DRIVE
Q805
D804
OPERATE
CNP304
5
CNP301
4
3
2
HE301
ERASE HEAD
4
3
2
CNP302
1
2
4
3
CNP311
1
2
4
3
CNP306
6
5
4
2
1
6
5
4
3
3
2
1
3
8
10
4
14
13
12
15
19
22
18
23
16
2
1
5
6
7
17
REC SW
BOARD
BOARD
POWER BOARD
CONTROL BOARD (2/2)
KEY
BOARD
BOARD
BACK LIGHT
BOARD
BOARD
HEADPHONE BOARD
MAIN BOARD (2/2)
CNP303
3
8
10
4
14
13
12
15
19
22
18
2
1
5
6
7
17
CNP805
2
3
23
16
CNP805
2
CNP803
CNP804
2
5
3
3
4
CNP307
J301
SPEAKER
2
5
3
3
4
CNP308
CNP
303
303
CNP
305
305
2
3
CNP901
2
3-5
CNP802
1
3-5
CNP801
1
04
CFT1
AM IF
CT1,L4
LW
TRACKING
CT2,L3
MW
TRACKING
CT3
LW
FREQUENCY
COVERAGE
CT4,L5
MW
FREQUENCY
COVERAGE
(Page 18)
1
A
B
C
D
E
F
G
2
3
4
5
6
7
8
9
10
11
12
13
14
R703
R705
C702
C706
C711
C712
L704
CNP701
C723
Q701
C709
C701
C722
C727
R724
R756
R723
R702
R704
1
16
R701
R706
R710
R729
R721
R720
R752
R757
R738
R730
R734
R727
R725
R758
R728
R726
R715
R717
R719
R740
R744
R745
R746
R743
R759
R733
R732
R713
C760
R742
R741
CNP702
R755
R735
CNP703
R748
R731
R736
R754
C708
C714
C704
C710
R747
C749
C703
JW732
JW739
JW726
JW725
JW721
JW740
JW714
JW706
JW707
JW708
JW704
JW736
JW723
JW735
JW734
JW731
JW712
JW702
JW705
JW703
JW713
JW738
JW701
JW729
JW718
JW720
JW719
JW717
JW722
JW716
JW715
JW711
JW710
JW727
JW728
JW737
JW724
JW730
JW733
1
1
52
13
14
26
27
39
40
14
15
28
R714
R722
R716
C716
C705
C729
C724
C719
C717
C721
C715
C730
C731
C739
C740
C713
R718
R711
R737
R707
R709
R712
C707
CD BOARD
1
MAIN BOARD
CNP304
SW701
(CD DOOR)
2
CONTROL BOARD
CNP806
OPTICAL PICK-UP
UNIT
KSS-213C
04
C770
C732
C748
C718
C734
C725
C744
IC702
C753
C756
C776
C769
C765
C720
C743
C766
C742
C737
C738
C759
C763
C767
C764
C733
C757
C778
C777
C758
C751
C774
IC703
IC701
C772
C754
C782
R751
X701
C752
C745
C741
C726
C779
C768
C728
R753
C761
R739
R750
R749
C762
C755
C750
C773
L701
L705
FB701
FB702
L703
C775
C783
L702
CNP705
CNP704
1-674-301-
11
1
6
1
2
1
11
1
7
CD MOTOR BOARD
1-658-023-
S701
(LIMIT)
M701
(SPINDLE)
CNP707
1
BLK
BLK
BLK
BLK
BLK
WHT
BLK
BLK
BLK
BLK
WHT
6
31
(31)
M
M702
(SLED)
(SLED)
M
1
80
61
60
41
40
21
20
TP(RF)
PMC-R30L
– 21 –
– 22 –
6-5. PRINTED WIRING BOARDS — CD SECTION — • Refer to page 16 for Circuit Boards Location.
Common note on Printed Wiring Boards:
• X
: parts extracted from the component side.
•
¢
: internal component.
• b
: Pattern from the side which enables seeing.
IC701
E-6
IC702
B-7
IC703
D-4
Q701
F-4
• Semiconductor
Location
Ref. No.
Location
(Page 30)
(Page 25)
Common note on 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.
•
¢
: internal component.
•
C
: panel designation.
•
U
: B+ Line.
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
• Waveforms are dc with respect to ground in playback
mode.
no mark : FM or CD
(
no mark : FM or CD
(
) : MW
<
> : LW
∗
: Impossible to measure
• 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
E
: PB
a
: REC
J
: CD
Note: The components identified by mark
!
or dotted line
with mark
!
are critical for safety.
Replace only with part number specified.
PMC-R30L
– 23 –
6-6. SCHEMATIC DIAGRAMS — CD SECTION — • Refer to page 36 for IC Block Diagrams.
– 24 –
Approx. 100mVp-p
IC701
$¶
(TEI)
• Waveforms
(MODE:PLAY)
1
2
3
4
5
2.5V
1.2±0.1Vp-p
Approx. 200mVp-p
IC701
1
(FEO)
2.5V
IC703
@¡
(MDP)
2Vp-p
7.6
µ
sec
16.9344MHz
IC703
&¡
(XTAO)
2.2Vp-p
IC701
#£
(RFO)
(Page 34)
(Page 27)
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
14
KEY BOARD
BACK LIGHT BOARD
CONTROL BOARD
2
3
CD BOARD
CNP702
MAIN BOARD
CNP303
04
S809
STANDBY
1-674-300-
11
1-674-301-
11
1-674-303-
11
S805
SNOOZE
S825
SOUND
S817
DSPL
DSPL
ENT MEM
S822
S808
S814
CNP801
SLEEP
S816
PLAY MODE•
MONO/ST ISS
S815
PRESET +
S813
BAND
BAND
S823
PRESET –
S818
S819
S820
S821
S810
SUMMER
S811
CLOCK
R•D•S
S812
TIMER
S826
FUNCTION
R820
R821
D806
R822
R826
R824
R823
R838
JW805
R819
R833
R827
R828
R829
R830
R831
R834
R801
R835
R806
R818
R863
R847
R848
R849
R850
R816
R810
R809
R808
R846
R811
R845
R844
R804
R880
R872
R873
R805
R832
R840
R839
R874
R865
R875
R864
R836
R860
R843
R837
R842
R841
R862
R858
R857
R856
R859
R855
R854
R881
R861
R812
R813
R815
R814
R869
R876
R866
R877
R868
R878
IC803
R817
R867
CNP802
R853
R851
R852
C820
C821
C823
C813
C829
C831
C830
C810
C832
JW824
JW842
JW838
JW845
JW835
JW822
JW816
JW826
JW841
JW823
JW820
JW801
D801
JW839
JW821
JW825
JW810
JW844
L801
D802
JW836
JW837
JW813
JW834
JW833
JW843
JW815
JW804
JW846
JW808
JW2
JW807
JW831
C802
Q801
Q802
Q805
Q803
C809
X801
C806
C805
C801
C804
C814
CNP805
CNP806
C811
IC802
C822
X802
C835
L804
C824
C828
C838
C815
C816
C817
C818
C825
C833
C826
C808
C803
R807
C836
C837
C807
C827
R870
R871
IC801
R825
S802
S803
R879
JW806
JW803
JW802
JW840
R883
R882
R803
R802
S807
OPERATE
CNP804
CNP803
D805
Q807
D804
D803
LCD801
LIQUID CRYSTAL
DISPLAY PANEL
S801
MEGA BASS
STANDBY
IC804
S806
SNOOZE
1
2
+
TUNING•TIME SET
–
AMS/SEARCH
1
5
^
" =~ |
"=
~|
1
1
22
23
2
1
10
3
–
+
1
1
11
1
5
3
3
5
1
2
VOLUME
1
81
80
5150
31
30
100
1
41
PMC-R30L
– 25 –
– 26 –
6-7. PRINTED WIRING BOARDS — CONTROL SECTION — • Refer to page 16 for Circuit Boards Location.
D801
F-2
D802
G-6
D803
G-6
D804
F-8
D805
F-2
D806
D-11
IC801
E-4
IC802
H-1
IC803
F-6
IC804
E-2
Q801
E-6
Q802
E-6
Q805
F-7
Q807
F-2
• Semiconductor
Location
Ref. No.
Location
(Page 21)
(Page 30)
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