M
5
4
21
6
24
55
62
70 69 68 57
4
5
6
7
72
74
76
32
58
61
67
23–20
15
52
17
13
12
20 19 18
49 48 50
47
53
21
20
31
24
2
5
12
23
22
PBIN1
REC1
P/R
VREF
VREF
RAIN1
TAPE
CDIN1
CD L-CH
ALC AMP
SW301-1
PB
REC
SW301-2
PB
REC
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)
T-PLAY
COM0
REC
COM3
19–1, 80–78
30•31
35–38
SEG0
SEG21
R-CE
R-CLK
R-DATA
R-COUNT
LCD801
SURROUND
TONE
VOL
CONTROL
PORT2
PORT1
CK
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
60
PA-CON
V-DATA
V-CLK
TAPE
X802
32.768KHz
X801
4.19MHz
CLOCK
SHIFT
Q803
CLOCK
SHIFT
Q804
RESET
IC804
COM 5V
RST
R-ST
R-MUTE
KEY1
KEY4
WP
28
SIRCS
RECEIVER
IC803
RMC
51
REG-CON
42
REG-CHK
SHIFT-CLK
EXTAL
XTAL
TEX
TX
RADIO
54
CD
TUNER 5V
SWITCH
Q306
T901
POWER
TRANSFORMER
CE
CK
DA
CD
21
16 17
1
2
8
15
10
14
18
19
22
21
23
24
3
7
17
16
12
11
18
9
1
PD1
AM IN
FM IN
XOUT
XIN
IF IN
MO/ST
FM
X1
75KHz
9
14
AM
OSC
FM
OSC
AM
MIX
FM
MIX
AM RF
FM
RF
IF
BUFFER
MO/ST
BAND
ST-IND
AM
DET
6
FM
DET
AF
BUFFER
H. FREQ.
CUT
Q7
H. FREQ.
IF CUT
Q9
MUTE
CONTROL
Q16, 17
FM
MPX
MUTE
R-CH
Q13
QUAD
VCO
13
IF CUT
R
L
CF4
CF3
CF2
CF1
CFT1
Q20
D3
D4
CT1
L5
L6
LPF
Q11
REG
Q12
L9
(AM ANT)
CT4
AMP
Q1
PON+B
+8V
FL1
04
D302
BPF
D5
L2
CT2
FM/AM FRONT-END, IF DET,
FM STEREO DEMODULATOR
IC1
SYSTEM CONTROL/LCD DRIVE
IC801 (2/2)
PLL
IC2
Signal path
R-ch : same as L-ch.
: FM
: AM
: PLAY
: REC
: CD
Q15
Q8
Q10
OSC
FM
LEAD
ANTENNA
AM
FM
CNP1
AM
LOOP
ANTENNA
Q805
D806, 807
SW801
|
SW819
TU 5V
CD 5V
SWITCH
Q307
5V REG
Q308
8V REG
Q309, 310
POWER ON
SWITCH
Q311, 312
CD 5V
+8V
VCC
+5V
LED/LAMP
DRIVE
Q806
D801
OPERATION
B+ SWITCH
Q801, 802
+5V REG
IC802
RECT
D901–904
D905
COM 5V
VDD 5V
D804
D805
D802
AC IN
MUTE
CONTROL
Q305, 317
POWER AMP
CONTROL
Q313, 314
STBY
OUT2
VC
IN2
+8V
M301
CAPSTAN /REEL
MOTOR
TU 5V
+5V
VREF
VREF
VREF
BIAS
OSC
Q303
Q301, 316
REC/PB
CONTROL
Q302, 315
REC
PB
T301
REC
BIAS
5-4. BLOCK DIAGRAM — MAIN SECTION —
– 25 –
– 26 –
PMC-107
Содержание PMC-107
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