Main Section - Sony CX-LZX7 Service Manual

— MAIN SECTION —
J602(1/2)
L
AUX IN
R
R-CH
ANTENNA
TUNER PACK
FM 75 Ω FM ANT
+9V Vcc
COAXIAL
ANT GND
L-CH
R-CH R-CH
AM ANT
AM DOUT
LOOP
DIN
ANT GND
CLK
CE
TUNED
STEREO
TUMUT
DECK BLOCK
L-CH
REC/PB
HEAD
R-CH
R-CH L451
Q453,454
BIAS OSC
BIAS
OSC
ERASE Q451,452
HEAD
BIAS
VM
SWITCH
MECHA BLOCK
PLAY
R REC
F REC
PACK
END
Q902,904
MOTOR
DRIVE
DECK
MOTOR M
Q903,905
T SOL
DRIVE
L OUT
A
R OUT R-CH
BD/CHANGER
SECTION
(Page 28)
D804
X801
Q801,802 12MHz
SWITCH
1 28
J801
D+
9 D+
USB
D-
8 D- VOUTL 14
VBAS
HOST VOUTR
21 15
SSPND 27
IC801
AUDIO DAC
WITH USB I/F
SYSTEM CONTROLLER
IC901 (2/2)
25 I-PLLDATA O-PLLDATA 23
27 O-PLLCLK
22 O-PLLCE FUNC CLK 50
26 I-TUNE
24 41
I-STEREO BASS0 Q508-510
BASS1 42
SWITCH
21 O-TUMUT
O-MUTE 55
,601
Q305,307,309
I-PROTECT 39
REC/PB
43
O-PB2 I-LEVEL-L 88
SWITCH
I-LEVEL-R 87 SWITCH
O-LCDAT 1
O-LCD SCK 2
O-LCD-RS 40
O-LCD CD 46
O-LCDCS 52
44 O-BIAS S924-931,942
FUCTION
51 I-PLAY SW I-KEY0 97
KEY
89
I-HALF SW
S932-941
FUCTION
I-KEY1 95
KEY
94 I-END SW
S921
VOL
54 O-MOTOR I-ENC0 92
ENCODER
S922
BASS
I-ENC1 91
53 O-SOL
ENCODER
S923
TREBLE
I-ENC2 90
ENCODER
10 32kHz-IN
X901
Q995
32.768kHz
11 32kHz-OUT
LED
O-STBLED 100
DRIVE
15 16MHz-IN Q994
X902
LED
16MHz
BASS-LED 3
DRIVE
13 16MHz-OUT
Q996
(BACK LIGHT)
LED
O-BKLIGHT 28
34 O-USBON
DRIVE
IC605
AUX/USB SELECTOR
X
13
12 X0 A 10
14 X1
R-CH
31 I-USBSW
65
O-CD ON
O-POWER 38
IC902
REMOTE
CONTROL 3 4 I-RMC
RECEIVER
AC-CUT 20
Q901
RESET
I-RESET 12
SWITCH
FUNCTION Q103,105,107,109
IC601 Q101 Q111,113,115,127 Q117,119
PRE POWER
33 SEL-L OUT-L 28 MUTE
AMP AMP
35 TUNER-L OUT-R 27 R-CH
PBP-L TH101
2
31 CD L
40 RECOUT-L
PBOR 6
I-BASS
VOL INR 9
IC501
SI
18
PBOL 7 3 INL OUTL
1
VOL IN L 8
19 SC
Q501,503,505,507
BASS BOOST
CONT
Q235
MUTE
CONT
Q250,251
OVER LOAD
Q607 DET
SWITCH
Q608
LCD901
FL FR VDD
DISPLAY
+VM
Q280,281
THERMAL
DET
Q065
Q063,064
AC
RESET
DET
D901
STAND BY
D902
i-BASS
D905-907
CD 7V
FR VDD
D VDD
A VDD
Q021
MP3VD
POWER
CONTROL
VDD1
(+3.3V)
VDD2
(+3.3V)
IC904 Q906
D906
3 RESET 1 SWITCH
29 29
J202
R-CH
PHONES
Q123
DC
DET
J201
L
SPEAKERS
SPEAKER
IMP:6 Ω
R CH
R
J602(2/2)
SUB WOOFER
Q291-294 FAN
FAN
DRIVE
VM
Q201
Q203,205
DC VP
+VP
DET SWITCH
+VL
Q202,204,206
-VP
-VP
SWITCH
-VL
D037
D038
D029
D028
D027
D031
D026
D022
D036
D023
Q060-062
OVER CURR
DET
D001
+VH
-VH
D002
+VL
-VL
Q006,011
Q012,015
+12V
VM
REG
Q009,010
POWER
VCC
SWITCH
IC001
7V
3 1
REG
Q018,019
+3.3V
REG
Q020
3.3V
Q008
REG
RELAY
D010-
D009 012
DRIVE
D251-254
IC902
D703
V STBY
+4V
4 1
REG
D905
CX-LZX7
• R-ch is omitted due to same as L-ch.
• Signal Path
: TUNER
: CD
: AUX
: PB (TAPE)
: REC (TAPE)
: USB
EXCEPT E
PT252
POWER TRANSFORMER (US,CND,AEP,UK)
7
12 6
2
16
13
15
PT253
E
POWER TRANSFORMER
S250 (E51,SP)
VOLTAGE
120V
7
SELECTOR
6
120V
5
12 0V
120V 4
16 220V
3
13 110V
230-240V
0V
2
15
EXCEPT E
(US,CND,
RY251
E AEP,UK)
(E51,SP,KR)
AC
RY252
IN
(E51,SP,KR)
PT251
POWER TRANSFORMER
(SUB)