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CFD-G550CP
20
20
CFD-G550CP
6-2. BLOCK DIAGRAM — MAIN SECTION —
5
21
22
16
4
L-CH
R-CH
HRP301
RECORD/PLAYBACK
HEAD
HE301
ERASE HEAD
DET
ALC 2
RADIO L
18
15
L.LO
R.LO
TAPE
R-CH
TU_IN_R
TU_IN_L
TAPE
LOGIC
13
SC
14
SI
POWER AMP
IC371
R-CH
SP191
SPEAKER
(L-CH)
SP291
SPEAKER
(R-CH)
J391
REF
L.LINE
L.RO
REC
L.RAD
R.RAD
T301
REC BIAS OSC
Q301
TAPE
20
V-CLOCK
V-DATA
CD ON
SYSTEM CONTROLLER
IC801 (2/2)
95
21
94
EEPROM
IC802
REMOTE
CONTROL
RECEIVER
IC891
SCL
SAD
46
48
1
3
KEY1
KEY2
53
KEY3
54 55
Signal path
: FM
: AM
: TAPE PLAY
: TAPE REC
: CD
R-ch is omitted due to same as
L-ch.
REC/PB
PRE AMP
IC301
12
3
WOOFER AMP
IC351
20
6
14
R.LINE
8
R.IN
L.IN
9
R.RO
i
A-MUTE
91
MUTE
Q354
OVER LOAD
DET
Q351
WOOFER 1/2
96
WOOFER ON/OFF
92
TAPE-PLAY
97
M
24
REC IN
98
-1
-2
S301
(REC/PB)
REC
PB
VDD (SW)
KEY3
KEY1
KEY2
M971
CAPSTAN/REEL
MOTOR
17
LINE
CD_IN_R
CD_IN_L
S417,418
S409-416,
S401-408
6
5
11
12
33
AUDIO 6V
AC-HI
RMC IN
TU_IN_R
SP393
WOOFER
U-COM
(VDD)
9V
S971
(PLAY)
S972
(MOTOR)
A
KEY NETWORK
D402
OPR/BATT
D801
D803
VIN1
OUT1
IC321
ELECTRONIC VOLUME
5
17
VOL AMP
32
31
30
29
22
23
27
26
24
26
27
30-33
LIQUID CRYSTAL
DISPLAY PANEL
LCD401
1-9,34-41,
43-48,50-55
S0
I
S28
COM0
I
COM3
3
5
8
12
WOOFER
CONTROL
Q321-323
STANDBY
SW
Q352,353
MUTE
Q171
2
1
3 4
5
CE
CLK
DATA
COUNT
RST
C/D
CS
DATA
CLK
RESET
C/D
CS
SI
SCK
W-LED2
W-LED1
WAKE-UP
43
RESET
TU-MUTE
39
X1
38
X2
35
FM/AM SHIFT
19
TU ON
X801
5MHz
RESET
IC804
3.3V
POWER
CONTROL
Q802,811
1
2
6V
RADIO 6V
1 2 3 4
11 12
20
19
CE
CL
DI
DO
AM IN
FM IN
XOUT
XIN
13
MO/ST
10
IF IN
LPF2/MO-ST
LPF1/BAND
IF-OUT
ST-IND
OSC-OUT
7
BAND
8
ST-IND
18 LP-OUT
AM
OSC
AM
MIX
FM
MIX
FM
OSC
AM RF-IN
FM
RF-IN
FM
IF-IN
AM
IF-IN
X1
75kHz
FM/MW PLL
IC2
14
17
13
18
16
15
11
12
19
20
22
4
6
7
10
2
21
24
T1
T2
CF4
L2
L1
CT1
RADIO 6V
RADIO 6V
D1
D2
CT3
D3
L3
CT3,L3
AM
TRACKING
L4
AM FREQUENCY COVERAGE
CT1,L1
FM
TRACKING
L2
FM
FREQUENCY
COVERAGE
T2
FM
IF
T1
AM
IF
ANT1
FM
TELESCOPIC
ANTENNA
IF
BUFFER
AM
DET
FM
DET
IF CUT
AF
BUFFER
FM
MPX
MUTE
IF CUT
R-OUT
L-OUT
RADIO 6V
QUAD
FM/MW/LW FRONT-END, IF AMP,
FM MPX
IC1
L4
RADIO 6V
CF2
RADIO 6V
RADIO 6V
RADIO 6V
L3
AM
FERRITE-ROD
ANTENNA
RADIO 6V
AM
OSC
MIX-OUT
FM
RF-OUT
FM OSC
DET-OUT
MPX-IN
VDD (SW)
D323
EEPROM
TU
LCD
LED DRIVE
Q815,816
LCD DRIVER
IC401
D403-410
WAKE-UP
Q814
FREQUENCY
SHIFT
Q812,813
(Page 19)
Содержание CFD-G550CP
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