Read Sony ZS-YN7 Service Manual online
18
18
ZS-YN7
ZS-YN7
6-3. BLOCK DIAGRAM – MAIN Section –
(Page 17)
(Page 16)
(Page 17)
SYSTEM CONTROLLER
IC802 (2/2)
POWER
AMP
IC302
: CD PLAY
R-CH
R-CH
: FM
SP101
(L-CH)
(L-CH)
SP201
(R-CH)
J321
i
6
14
13
16
INPUT SELECT,
ELECTRICAL VOLUME,
SURROUND/TONE CONTROL
IC301
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
SI
SC
R-CH
MEGA BASS
CONTROL
Q101
D301
MUTING
Q121
TU L-OUT
B
CD L-OUT
A
R-DATA
R-CLOCK
R-CLOCK
R-CE
R-COUNT
40
21
23
22
C
R-MUTE
39
SDA
SCL
5 6
EEP-SDA
EEP-SCL
EEPROM
IC803
41 42
R DATA
R DATA, R CLOCK,
R CE, R COUNT,
R MUTING
R CE, R COUNT,
R MUTING
R CLOCK
R CE
R COUNT
R MUTING
MUTING
Q806
VOL-CLK
68
VOL-DA
TA
67
A-MUTE
77
M-BASS
81
97 KEY2
S413 – 419
96 KEY11
S408, 410 – 412
95 KEY0
S401 – 407
CD-L
2 L-IN
8 RA-L
LCH
3
SELL
D402
(LCD BACK LIGHT)
LED DRIVE
Q812
TAP
(TEST A)
61 BACKLIGHT
55 TEST A
38 REMOTE
REMOTE CONTROL
RECEIVER
IC401
74
CD
75
RADIO
65
P-CON
PL-CONT
30
RESET
RMC +5V
VT B+
+3.3V
REGULATOR
IC801
RESET SIGNAL
GENERATOR
IC804
+1.5V
REGULATOR
IC706
D801
36
AC-IN
69
+6.2V
REGULATOR
Q955
B+ SWITCH
Q951 – 953
Q951 – 953
AC CHECK
Q805
B+ SWITCH
Q808, 809
RADIO +6V
CD +3.3V
MP3 +1.5V
Q802
B+
+6.2V
REGULATOR
Q954
+9V
CD +6V
+6V
RECT
D901 – 904
T901
POWER
TRANSFORMER
µ-COM +3.3V
DRY BATTERY
SIZE "C"
(IEC DESIGNATION R14)
6PCS. 9V
D952
D401
3.3V-REG 11
VOL-CHECK 94
J901
AC IN
OPR/BATT
92
BATT
TRIGGER
PLUNGER DRIVE
Q810, 811
PL801
TRIGGER
PLUNGER
µ-COM +3.3V
WAKE UP
SWITCH
Q807
52 JOG-A
53 JOG-B
35 WP
ROTARY
ENCODER
S420
(JOG)
X2
X1
26
28
LCD-AD0 – LCD-AD7
LIQUID CRYSTAL DISPLAY
LCD401
X801
4.19MHz
44 – 51
LCD-RES
70
LCD-AO
60
LCD-WR
72
B+ SWITCH
Q813, 814
RE B+
+3.3V
REGULATOR
IC901, Q956
TAP
(TEST B)
56 TEST B
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