Block Diagram - Main Section - Sony ICF-CD513 Service Manual

6-3. BLOCK DIAGRAM – MAIN Section –
MAIN BOARD (3/3)
CD CD
FROM CD LINE AMP
L-CH/R-CH L-CH
SECTION A (FOR CD)
(Page 16) Q102
TUNER TUNER
FROM TUNER LINE AMP
L-CH/R-CH L-CH AGC
SECTION D (FOR TUNER)
Q103
(Page 18) Q101
CD
LINE AMP
R-CH
(FOR CD)
Q202
TUNER
LINE AMP
R-CH AGC
(FOR TUNER)
Q203
Q201
AMUT 58
LIQUID
CRYSTAL (CD TEST MANUAL)
DISPLAY
LCD401
BUZZER 53
POWER ON 64
69 X1
X401
4.194MHz
68 X2
SYSTEM CONTROLLER
IC401 (2/2)
73 XT1
X402
32.768KHz
72 XT2
KS0 – KS3
35 – 38
W401
6 7 8 9
6 7 8 9
CN401
KEY BOARD
Ref No. PANEL DESIGNATION Ref No. PANEL DESIGNATION
S401 TUNE/TRACK/TIME SET+ > S409 5
S402 TUNE/TRACK/TIME SET– . S410 RADIO ON BAND
S403 1 S411 CD PLAY MODE
S404 4 S412 3
S405 CD u S413 ALARM
S406 CLOCK S414 ALARM ON/OFF
KEY MATRIX
S407 RADIO OFF x ALARM RESET S415 D. S. T. SUMMER T.
S401 – 416
S408 2 S416 Z OPEN/CLOSE
05
– 19 –
VOLUME BOARD
CN303 W301
(2/2) (1/2)
MEGA BASS FILTER
3 3
AMP AMP
IC301 (1/2) IC302 (1/2)
–1
MUTING
Q104
RV301
VOLUME
MEGA BASS FILTER 4 4
AMP AMP
IC301 (2/2) IC302 (2/2)
–2
MUTING
Q204
D303
1 1
MUTING CONTROL
SWITCH
Q302
BP403
MOTOR/COIL DRIVER (IC591),
LOADING MOTOR DRIVE (IC701) B+
(SYSTEM CONTROLLER (IC401) B+)
KR0 – KR3
52 60 59 67
77 – 80
5 4 3 2
RESET SIGNAL
GENERATOR
IC402
5 4 3 2
BP404
(CD TEST AUTO)
POWER AMP
IC351
W301 CN303
(2/2) (2/2)
LCH LCH
LINE
7 7
+ IN OUT
AMP 9 3
Q105
RCH RCH
LINE 5 5
IN OUT
+
AMP 10 1
Q205
STBY
S301
6
MEGA BASS
OFF ON
5V B+
POWER AMP
(IC351) B+
CD 6V +6V
REGULATOR
Q902
D401
+5V
5V
RECT
REGULATOR
D905 – 908
Q901
LED BOARD
D402 – 404
(LCD BACK LIGHT)
CD B+
CD 5V
SWITCH
(CD SECTION B+)
Q301
RECT
VT B+
D901, 902
TUNER SECTION B+
TUNER B+
TU B+ SWITCH
Q5
D301
RECT
D903, 904
– 20 –
CN301
4
SP101
3 L-CH FRONT
SPEAKER
+
1
SP201
2
R-CH FRONT
SPEAKER
POWER BOARD
T901
POWER
KH901 CN901
TRANSFORMER
L901
1 1
AC IN
L902
2 2
TO TUNER
ANT
C
SECTION
(Page 17)
• SIGNAL PATH
: CD PLAY
: TUNER (FM/AM)
ICF-CD513
– 21 –