Sony ZS-Y3 - Personal Cd Audio System Manuel d'entretien - Page 17
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5-3. BLOCK DIAGRAM – MAIN SECTION –
CD L-OUT
(Page 15)
A
TU L-OUT
(Page 16)
C
R DATA, R CLOCK,
R CE, R COUNT,
R MUTING
R DATA
(Page 16)
D
R CLOCK
R CE
R COUNT
MUTING
R MUTING
Q802
CD DOOR
(Page 15)
B
ZS-Y3
6
CD-L
SELL
3
2 L-IN
LCH
16
8 RA-L
INPUT SELECT,
ELECTRICAL VOLUME,
SURROUND/TONE CONTROL
IC301
14
13
44
43
92
TU-DATA
93
TU-CLOCK
90
TU-CE
SYSTEM CONTROLLER
91
TU-COUNT
IC802 (2/2)
89
TU-MUTE
COM0 – COM3
S0 – S16
55 – 58
59 – 75
47 46
98
99
48
5 6
X801
X802
LIQUID CRYSTAL DISPLAY
8MHz
75kHz
LCD401
EEPROM
D405
IC803
(LCD BACK LIGHT)
LED DRIVE
Q401
SWITCHING
Q806
REMOTE CONTROL
RECEIVER
IC401
S409 – 416
S401, 402,
S404 – 408
S417
POWER
AMP
IC302
MEGA BASS
MUTING
CONTROL
Q121
Q101
R-CH
R-CH
D301
81
84
V-CHECK 39
3.3V-MONITOR 16
+3.3V
CD +3.3V
REGULATOR
Q956
CD ON
49
SWITCH
Q957, 958
CD-ON
83
B+ SWITCH
RADIO +6V
Q803, 804
80 BACK-LIGHT
TU-ON
86
D401
OPR/BATT
BTT-CHK-H
37
P-CON
82
19 RMC-IN
PL-CONT
79
32 KEY1
µ-COM +3.3V
RESET SIGNAL
RST
96
GENERATOR
33 KEY2
IC804
AC CHECK
AC-CHK
12
Q801
34 KEY3
17
17
• R-ch is omitted due to same as L-ch.
R-CH
• SIGNAL PATH
J321
i
SP101
(L-CH)
SP201
(R-CH)
+6V
+9V
+6.2V
REGULATOR
Q954
D804
RMC +5V
µ-COM B+
D955
B+ SWITCH
VT B+
Q951 – 953
PL801
TRIGGER
TRIGGER
PLUNGER DRIVE
PLUNGER
Q808, 809
+3.3V
REGULATOR
IC801
ZS-Y3
: FM
: CD PLAY
J901
T901
AC IN
POWER
TRANSFORMER
RECT
D901 – 904
DRY BATTERY
SIZE "C"
(IEC DESIGNATION R14)
6PCS. 9V