22
22
CFD-G505
CFD-G505
6-1. BLOCK DIAGRAM – MAIN SECTION –
: FM
: CD
• Signal Path
• R-CH is omitted due to same as L-CH.
: PB
: REC
: LINE IN
L OUT
L-CH
R-CH
R-CH
RECORD/PLAYBACK
HEAD
ERASE HEAD
HRP301
HE301
R-CH
R-CH
L-CH
REC BIAS
OSC
Q301
REC/PB PRE AMP
IC301
15
21
T301
MUTE
Q171
AMP
Q321
INV
Q953
SW
Q951
AGC
Q351
POWER AMP
IC371
R-CH
R-CH
J391
SPEAKER (L-CH)
SPEAKER (R-CH)
S409-416
LED DRIVE
Q809
X802
32.768kHz
X801
4.19MHz
S301
REC/PB
17
M
M971
CAPSTAN/REEL
MOTOR
S972
MOTOR
S971
PLAY
6
43
50
44
79
LED DRIVE
Q810
80
S401-408
6
5
SOUND/VOLUME
IC321
AGC
Q354
D326 D320
D325
D324
D351
D352
VDD(SW)
VDD(SW)
8
POWER AMP
IC351
LCD891
LIQUID CRYSTAL
DISPLAY
27
10
9
6
SP191
SP291
SP393
WOOFER
T901
RECT
D901-904
+6V REG
Q954
+9V REG
Q971
+6V REG
Q972
+3.3V REG
Q956
CD/RADIO +6V
CD +3.3V
VDD(SW)
POWER
SWITCH
Q952
IC802
IC805
µ
COM VDD
D807
D806
IC891
D893
AU 6V
Q955
PB
REC
CD 3.3V
LPF
Q322
STANDBY
SWITCH
Q352
GAIN
CONTROL
Q323
D321
D322
D957
D955
D951
D952
D953
D954
FUNCTION
FUNCTION
SWITCH
SWITCH
D401-408
(ILLUMINATION)
VDD(SW)
AU +6V
DRY BATTERY
SIZE "D"
(IEC DESIGNATION R20)
8PCS, 12V
POWER AMP +12V
+9V
+9V
J381
LINE IN
OPR/BATT
(AC IN)
CNJ901
TAPE MECHANISM DECK