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5-4. BLOCK DIAGRAM — MAIN SECTION —
Z PUSH
OPEN/CLOSE
KEY(B) BOARD
KEY(A) BOARD
S602
S604
S652
RADIO ON
TIME SET -
BRIGHTNESS
S601
S603
S605
S653
OFF
CD
SLEEP
CLOCK/TRACK
S607
ALARM
SET A
S608
S609
NAP
TIME SET +
S612
ALARM B-MODE
CD RADIO BUZZER OFF
S651
CD PLAY MODE
S611
ALARM A-MODE
CD RADIO BUZZER OFF
D601
CD/RADIO
Q602
D602
LED
NAP
DRIVE
MAIN BOARD (2/2)
Q102
TU-L
AMP
A
TU-R
R-CH
(Page 16)
CN501
Q101
3
AMP
4
IC401
R-CH
SYSTEM CONTROL
6
54
DATA
A MUT
59
10
53
DATA IN CD
8
55
CLK
BUZZER
52
CD BOARD
B
7
POWER ON
60
56
LAT
CNP702
5
XRST
58
SEG0
37
68
(Page 15)
11
57
DRF
I
I
I
9
SEG12
30
64
50
WRQ
12
61
39
FSEQ
BRIGHTNESS
13
+6V
1
CD+B
SEG13
63
S401
40
CD OPEN
CN601
3
42
KEY1
SEG14
62
50/60Hz
51
75
X2
X402
S606
4.19MHz
SNOOZE/
74 X1
SLEEP OFF
4
KEY0
43
RESET
76
S610
71
XT2
ALARM
X401
SET B
32KHz
70 XT1
5
44
SW2
7
AC IN
49
46
SW0
RADIO ON
77
6
45
SW1
79
CD/RADIO
80
NAP LED
CD ON
78
Q601
LED
2
DRIVE
1
17
IC301
POWER AMP
VR301
VOLUME
IN AMP
OUT AMP
CN301
4
7
11
L
L
Q103
3
IN
OUT
STBY
1
2
R-CH
Q301
MUTE
1
DRIVE
Q403
Q401
+B
+3.9V
SWITCH
Q401
FREQ.
CHECK
IC402
3
RESET
1
+3.9V
CN901
5
4
1
+3.9V
Q1
Q904
Q901
Q902,903
2
+B
+3.9V
6V
SOFT
VREF
SWITCH
REG
REG
START
+6V
+11V
+B
CD+B
SWITCH
Q551
17
ICF-CD832
CN302
4
SP101
3
2
SP201
1
Q501-513
1
SEG1
LED
I
I
DRIVE
13
SEG13
Q514
LED
14
SEG14
DRIVE
Q516
+B
LED501
SWITCH
CLOCK DISPLAY
Q517
+B
Q515
SWITCH
17
SEG15
LED
18
SEG16
DRIVE
15
COM1
16
COM2
DRIVE BOARD
TRANSFORMER BOARD
CH901
T901
5
AC IN
4
1
JW901
2
• Signal path
: CD
: FM
: AM
• R-ch is omitted due to
Same as L-ch
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