Read Sony PMC-R30L Service Manual 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)
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