Sony CFD-G770CP - Block Diagram - MAIN Section

2929
CFD-G700CP/G770CP/G770CPK
CFD-G700CP/G770CP/G770CPK
7-2. BLOCK DIAGRAM – MAIN SECTION –
: FM
: CD
• Signal Path
• R-CH is omitted due to same as L-CH.
: TAPE PLAY
: TAPE REC
: LINE IN
20
B
A
TUNER/CD
SECTION
(Page 28)
CD-L
G770CPK
G770CPK
TU-L
R-CH
R-CH
RECORD/PLAYBACK
HEAD
HRP301
HE301
ERASE HEAD
R-CH
R-CH
L-CH
REC BIAS
OSC
Q301
REC/PB PRE AMP
IC301
MIC MIX AMP
IC401
5
4
1521
REC TAPE
L.LINL.RAD
PB AMP
26dB
2422
L.LD
TAPETAPE
T301
12
MUTE
Q171
AMP
Q321
SWITCH
Q951
D461
Q351
AGC
3
8
STBY
POWER AMP
IC371
R-CH
J391
SPEAKER (L-CH)
SPEAKER (R-CH)
S401,402,405,
S406,413,414
Q801,804,815,816
LED DRIVE
Q805
KEY WAKE UP
O-VOL-DATA
31
O-A-MUTE
57
O-TAPE
12
TAPE REC
IC801(2/2)
SYSTEM CONTROLLER
93
92
X802
5.53MHz
X0
X1
1
CLK-SHIFT AM
2
CLK-SHIFT FM
S301
REC/PB
REC AMP
AMP
BUFFER
7dB
11
TAPE PLAY
M
M971
CAPSTAN/REEL
MOTOR
S972
MOTOR
S971
PLAY
TUNER/CD
SECTION
(Page 28)
17
LINE
55
O-CD-SW
37
I-MIC-IN
46
O-BUF-CONT
6
REF
I-KEY-1
39
I-KEY-2
40
WOOFER LED1
29
WOOFER LED2
30
Q451,452
CLK SHIFT
S404,407,411,
S412,418,420
EEPROM-SCK
50
EEPROM-SDA
49
65
EEPROM
IC802
L1-IN
L2-IN
L-IGOUT
L-OUT
5
LIN
L-R
L+R
SW1
LOGIC
L
R
6 3
15
16
MUTE
27
22
33
8
L-VOLIN
DATA CLK
4
SOUND/VOLUME
IC321(2/2)
INPUT SELECT
IC321(1/2)
9
O-VOL-CLK
21
34
AGC
Q354
D324 D320
D351
VDD(SW)
VDD(SW)
12
13
3
10
11
5
8
STBY
POWER AMP
IC351
27
56O-CD
WOOFER ON/OFF
28
WOOFER 1/2
LCD401
LIQUID CRYSTAL
DISPLAY
63,64,67-89,94-98
SEG0-SEG30
59-62
COM0-COM3
SP191
SP291
SP393
WOOFER
T901
F901
RECT
D901-904
+6V REG
Q972
+9V REG
Q971
CD/RADIO +6V
CD/RADIO +6V
CD +3.3V
VDD(SW)
VDD(SW)
VDD(SW)
+9V
VDD(SW)
VDD(SW)
POWER
SWITCH
Q952,953
+6V REG
Q954
23
+3.3V
REG
IC902
21
RESET
IC805
µ COM VDD
1
REMOTE
CONTROL
RECEIVER
IC891
54
RSTX
36
REG CHK
D406
AU 6V
BUZZER (R-CH)
SP292
BUZZER (L-CH)
SP192
Q950,959
PB
REC
LPF
Q322
STANDBY
SWITCH
Q352
GAIN
CONTROL
Q323
D321
D322
D952
D951
D462
FUNCTION
SWITCH
I-KEY-0
38
S409,415-417,
S419,421
FUNCTION
SWITCH
FUNCTION
SWITCH
S403,408,410
I-KEY-3
41
FUNCTION
SWITCH
D403-405,
D407-411
(ILLUMINATION)
VDD(SW)
3
20O-PCONT
DET
Q803
AU +6V
AU +6V
D-LIGHT+4V
23
+4V
REG
IC901
31
+3.3V
REG
IC806
9
I-RMC(SIRCS)
45
I-AC/DC-CHK
DRY BATTERY
SIZE "D"
(IEC DESIGNATION R20)
8PCS, 12V
POWER AMP +12V
+9V
+9V
J402
CNP2
AUDIO IN
J401
MIC MIX
MIC
LEVEL
OPR/
BATT
G700CP/G770CP
AC IN
J901
L.IN
L.RO
TAPE MECHANISM DECK
TONE
SURROUND
MCU I/F
LOGIC
21
O-P-MUTE
BUFFER
CONTROL
Q403
BUFFER
Q405
RV401
R-CH
L
R-CH R-CH
R-CH
R-CH
J103
SW2
MIX
AMP
MIX AMP
Q320
AMP
MIC
2
AMP
MIC AMP
Q401,402
D401
Q407
Q406
VDD(SW)
KARAOKE
PON
S422
ON
OFF
G700CP
D415
D414
D-LIGHT
SYNC OUT
G700CP
D801
I-KEY-WAKE-UP
42
Q806
SWITCH
I-SUFFIX
48
D802