Block Diagrams - Main Section - Sony CFD-G500 Service Manual

CFD-G500/G500L
6-1. BLOCK DIAGRAMS — MAIN SECTION —
L OUT
TUNER/CD
B
SECTION
L-CH
TUNER/CD
A
SECTION
HEAD
L-CH
R-CH R-CH
R-CH
T301
(MAGNET)
S301
REC PB
PB
REC
J381
R-CH
LINE IN
Q302
SWITCH
+9V
M971
CAPSTAN/REEL
M
MOTOR
S972
MOTOR
S971
PLAY
70 XT1
X802
32.768kHz
71 XT2
74
X1
X801
4.19MHz
75 X2
50
IC301
PRE AMP
L.L IN
24
RADIO
22
BUFFER
AMP 7dB
TAPE
L.LD
20
TAPE
PB AMP
L.IN
5
REC AMP
26dB
L.RD
4
REF REC TAPE LINE
6 21 15 17
CD 3.3V
Q301
BIAS
OSC
AU 6V
AEP, UK, CET
Q303
SWITCH
IC803
EEP ROM
5 6
51 32 33 39 67 36 35
IC801(2/2)
SYSTEM CONTROL
43 44 45 79
Q809
TEST-A
LED DRIVE LED DRIVE
FUNCTION FUNCTION FUNCTION
SWITCH SWITCH SWITCH
S401-408 S409-416 D401-408
POWER DRIVE
WOOFER
IC321
SOUND/VOLUME
1
VIN1 OUT1 17
5 A1 Q171
MUTE
7 B1
R-CH
4 SEL1
14 13
Q321
AMP
Q323
GAIN
Q322
CONTROL
LPF
Q354
AGC
AU +6V
CD/RADIO +6V
CD +3.3V
65 64 31 34 30 77 66
RESET
REG CHK
SEG0 SEG17 COM0 COM3
80 10 27 6 9
Q810
LCD891
LIQUID CRYSTAL
DISPLAY PANEL
16 16
IC371
POWER AMP
R-CH
12 3
STBY
8
VDD(SW)
Q351
BASS AGC
IC351
WOOFER
POWER AMP
12
3
13
10
5
11
STBY
8
POWER AMP +12V
VDD(SW)
+9V
Q954 Q971
+6V REG +9V REG
Q972
CD +6V REG
Q956
+3.3V REG
Q955
Q952
VDD(SW)
POWER
SWITCH
Q951 Q953
EXCEPT SW INV
US, E
US, E µ COM VDD
IC805 IC802
3 +3.3V
76 1 RESET 2 2
REG
D807
IC891
D806
REMOTE
RMC 48 1 2
CONTROL
49
VDD(SW)
D893
OPR/BATT
J391
SP191
SPEAKER (L-CH)
SP291
SPEAKER (R-CH)
SP393
WOOFER
CNJ901
(AC IN)
DRY BATTERY
SIZE "D"
(IEC DESIGNATION R20)
8PCS, 12V
T901
D901-904
RECT
• R-CH is omitted due to same as L-CH.
• Signal Path
: FM
: CD
: PB
: REC
: LINE IN