Block Diagram - Main Section - Sony CFD-G555CP Service Manual

6-2. BLOCK DIAGRAM – MAIN SECTION –
CD/MP3
SECTION
(Page 24)
TAPE MECHANISM DECK
HRP301
RECORD/PLAYBACK
HEAD
L-CH
R-CH
S301
HE301
(REC/PB)
ERASE HEAD
REC
PB
G555CPK
J401
MIC MIX
9 6
MIC AMP
MAX
RV401 Q401,402, 2 MIC
MIC LEVEL
405
MIN
MIC
CONTROL
Q403,404
VDD (SW)
D323
CT3,L3
AM
TRACKING
CT3
ANT1
FM
TELESCOPIC
ANTENNA
CFD-G555CP/G555CPK
R.RO
9
R.IN
8
R.LINE
CD_IN_R 14
A
L.RO
4
L.LINE
CD_IN_L
24
L.IN
5
6 REF
-1 -2
21
T301
AUDIO 6V
98
16
13 3
C CTL-C
16 25
B 24 CTL-B
15
EEPROM
AMP
A 28 BUF-CTL
14
IC401
1
23 12 11
LED
5 6
DRIVE
Q817 EEPROM
IC802
D401
(KARAOKE PON)
1 2 3 4
18 LP-OUT
L4
AM FREQUENCY COVERAGE
L4
11 12
D3
20 19
RADIO 6V
AM
OSC
L3
MIX-OUT
AM RF-IN
AM
22
MIX
FM
MIX
RADIO 6V
L3
AM
FM
FERRITE-ROD
OSC
FM
ANTENNA
RF-IN
FM
2
FM OSC
RF-OUT
24 21
CT1,L1
FM
L1 CT1 D1
D2 L2
TRACKING
RADIO 6V RADIO 6V
REC/PB
DET
PRE AMP
IC301
ALC 2
G555CP
L.LO
20
R-CH
R.LO 18
RADIO L
LINE 17
G555CPK
TAPE 15
22 16
G555CPK
TU_IN_R
REC BIAS OSC
Q301
20 21
SYSTEM CONTROLLER
IC801 (2/2)
TU
2 3 4 39 38 35 43 5 19
1
X801 RESET
5MHz IC804 TUNER
CONTROL
2 RADIO 6V
FREQUENCY
Q802,811
SHIFT
Q812,813 3.3V
PLL
IC2
20 19 13 10 7 8
X1
75kHz
14 17 13 18
FM/AM FRONT-END, IF AMP,
FM MPX
IF CUT
IC1
IF
BUFFER
AM
T1
IF-IN
AM
4 6
DET
DET-OUT
AF
CF4
BUFFER
FM
RADIO 6V
IF-IN FM
7
DET
CF2
10
RADIO 6V RADIO 6V
T2
T1 T2
AM FM
L2
IF IF
FM
FREQUENCY
COVERAGE
RADIO 6V
25 25
WOOFER AMP
IC351
WOOFER
CONTROL 12
Q321-323
8
MUTE
IC321
Q354
ELECTRONIC VOLUME
STANDBY
SW
Q352
VOL AMP
VIN1 OUT1
5 17
MUTE
Q171
LOGIC
13 14
95 94 96 92 91 90
LCD
29 30 31 32 33 26 27 46
WAKE-UP
Q814
45 44 46 47 48
6V
D403-410
LED DRIVE
LCD DRIVER
Q815,816
IC402
(ILLUMIMATION)
5-12,14-25,
1-4
27-35
LIQUID CRYSTAL
DISPLAY
LCD401
R-OUT
MPX-IN
11 TU_IN_R
FM
16 15 L-OUT
MUTE
MPX
12
IF CUT
CFD-G555CP/G555CPK
OVER LOAD
DET
Q351
5 SP393
WOOFER
3
POWER AMP
IC371
R-CH
12 3
U-COM
(VDD)
SP191
SPEAKER
(L-CH)
SP291
SPEAKER
(R-CH)
S971
(PLAY)
9V S972
(MOTOR)
M971
M
CAPSTAN/REEL
MOTOR
97
TAPE MECHANISM DECK
REMOTE
CONTROL
RMC IN 45 1
RECEIVER
IC891
3
53 54 55
AC-HI
D801
VDD (SW)
D803
D402
OPR/BATT
KEY FUNCTION
KEY3
S417-419
KEY2
S409-416
KEY1
S401-407
R-ch is omitted due to same as L-ch.
Signal Path
: FM
: AM
: TAPE PLAY
: TAPE REC
: CD
: MIC
G555CPK
J391
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