14
14
ZS-SN10
ZS-SN10
5-3. BLOCK DIAGRAM – MAIN SECTION –
77
RESET
45
VH
69
VH-CONT
22
P-CON
SYSTEM CONTROLLER
IC801 (2/2)
+6V
REGULATOR
Q954
LED DRIVE
Q803
+6V
REGULATOR
Q955
B+ SWITCH
Q951 – 953
B+ SWITCH
Q809, 810
+3.3V
REGULATOR
IC802
RESET SIGNAL
GENERATOR
IC803
REMOTE CONTROL
RECEIVER
IC401
DC/DC
CONVERTER
IC901, Q956
+2.5V
REGULATOR
IC202
B+ SWITCH
Q813
B+ SWITCH
Q804, 806
DC LEVEL
DETECT
Q821, 822
46
VM
DC LEVEL
DETECT
Q811, 812
AU +6V
D402
(LCD BACK LIGHT)
AMP B+
F902
SYS +3.3V
SYS +3.3V
SW +9V
CD +3.3V
CD +6V
SYS +3.3V
CD +2.5V
RADIO +6V
E.VOL B+
RE B+
SYS +3.3V
LOAD CONTROL
SWITCH
Q823, 824
24
TU-ON
25
CD3.3V-ON
43
3.3V-CHECK
26
BUCKUP-ON
WAKE UP
SWITCH
Q807
70
LOAD
: CD PLAY
: FM
•
R-ch is omitted due to same as L-ch.
•
SIGNAL PATH
D401
OPR/
BATT
SHIFT
Q802
Q801, 802
SHIFT CLOCK
Q801
X801
4.19MHz
X802
32.768kHz
X1
X0
78
83
82
X1A
X0A
79
80
R-DATA
R-CLOCK
R-CE
R-COUNT
30
28
29
27
C
R-MUTE
31
LCD-DB0 – LCD-DB7
LIQUID CRYSTAL DISPLAY
LCD401
85 – 92
LCD-RES
93
LCD-RW
94
LCD-E
95
LCD-RS
96
BL
100
SDA
SCL
5
6
EEP-SDA
EEP-SCL
EEPROM
IC804
8
7
R DATA
R DATA, R CLOCK,
R CE, R COUNT,
R MUTING
R CLOCK
R CE
R COUNT
R MUTING
VOL-CLK
10
VOL-DA
TA
9
A-MUTE
21
MEGABASS
15
98 JOG-A
64 REMOTE
99 JOG-B
52 WP
40 KEY2
ROTARY
ENCODER
S401
(JOG)
S418 – 424
41 KEY0
S402 – 407
39 KEY1
S410 – 414, 425
R-CH
6
14
13
16
INPUT SELECT,
ELECTRICAL VOLUME,
SURROUND/TONE CONTROL
IC301
SI
SC
TU-L
B
CD-L
A
CD-L
1 R-IN
8 RA-L
LCH
4
SEL L
J322
LINE IN
10 LI-L
POWER
AMP
IC304
R-CH
R-CH
SP101
(L-CH)
SP201
(R-CH)
J301
i
R-CH
MEGA BASS
CONTROL
Q101
D301
MUTING
Q121
54
AC-IN
AC CHECK
Q805
RECT
D901 – 904
T901
POWER
TRANSFORMER
DRY BATTERY
SIZE "D"
(IEC DESIGNATION R20)
6PCS. 9V
J901
AC IN
RMC +5V
D801
32
VM-CONT
44
VOL-CHECK
(Page 12)
(Page 13)
(Page 13)
