Diagrams; Circuit Boards Location; Block Diagram - Sony CFD-Z125 Service Manual

SECTION 6

DIAGRAMS

6-1. CIRCUIT BOARDS LOCATION

MOTOR board
CD DECODER
board
LAMP board
(Z135)
MAIN board
POWER board
SP TERMINAL board
FRONT board
BATTERY(A)
board
LEAF SW
board
SENSOR board BATTERY(B)
(Z135) board
— 23 —

6-2. BLOCK DIAGRAM

T2
FM-IFT
RV1
ANT901
FM
TELESCOPIC
ANTENNA
26 27
BAND
FL1
FM/AM
RF IN FM FE OUT CF2 CF3 FM IF FM
BPF
18 16 13
FRONT END DET
L-OUT
FM/AM FM
L1
R-OUT
BUFFER MPX
FM RF FM RF
20
CF1 AM IF
AM
14
DET
L2
FM OSC
FM OSC
22
T1
AM-IFT
L3
AM IN AM
FERRITE-ROD ST-IND
19
FRONT END
ANTENNA
L4
AM OSC IC1
AM OSC
24 FM/AM FRONT-END
FM/AM DET,FM MPX
OPTICAL PICK-UP
BLOCK
(KSC-213C) IC701 IC702
CD RF/SERVO
SIGNAL PROCESSOR
PROSSESOR D/A CONVERTER
VCC CD5V
VC VC
LPWM 70 3 IC705
48 VC
A LPF
NLPWM 69 2
A
35 PD1
C XLON(LDON) 22
C
RFO RF
31 36
B
B
36
PD2
D RPWM 78
R-CH
D
NRPWM 77 R-CH
E
E FOK 25 23 FOK MUTE 6
39 E
SENS 24 13 SEIN SCOR 1
C OUT 23 14 CNIN CLOK 11
XRST 22 8 XRST XLAT 10
F
F DATA 21 15 DATO DATA 9
38
F
20 13 SEIN 7
XLT SENS
Q701,702 CLK 19 17 CLKO SQSO 4
LD SQCK 5
LD/POWER
33 LD
CONTROL
73
XTA1
SLO 16
GND XTL701
16.9344MHz
XTA0 74
TAO 13
PD
34 25 18
PD FEO 6
VR
IC703(1/2)
FOCUS/TRACKING COIL
SLED/SPINDLE MOTOR
DRIVER S851,853,855,857
F+ S859,860,862,863
15 VO4 (+)
S865,866,868,869
FOCUS
V IN 4 27
COIL
F
16 VO4 (–)
KEY MATRIX
T+
17 VO3 (+)
TRACKING
V IN 3 25
COIL T
18 VO3 (–)
16
S702
CD DOOR
12 VO2 (+)
M702
SLED M V IN 2 6
MOTOR IC703(1/2)
11 VO2 (–)
SPINDLE MOTOR
DRIVER
14 VO1 (+)
M701
SPINDLE M V IN 1 4 24 23
MOTOR
13 VO1 (–)
S701
LIMIT
— 24 —
S1
Q2
AM MUTE
FM
SWITCH
15 MUTE
RADIO
6 24
CD L CD
22
5 R-CH
HE901
ERASE
HEAD
NAB AMP
NAB NF1
HRP901 5
REC/PB
REC
4 HEAD
4
Q101
Q102, 103
R-CH
PB REC
MUTE MUTE
R-CH
Q301 L301
REC/PLAY TAPE
21
R-CH
S302 +7V
R/P SW
Q303
S307
BIAS
MOTOR SW
OSC Q306
1 S301
Q706,709 Q707 PLAY SW SWITCH
MUTE CD
SWITCH MUTE
M601
M
(CAPSTAN/
REAL)
STEREO 16
54 MUTE SYNC REC IN 17
11 SCOR TAPE 40
SYSTEM MUTE OUT 45
52 XLAT DATA OUT 50
8 DATA CLK OUT 49
12 SENS
7 SQSO
IC801
9 SQCK
SYSTEM
Q710
CONTROL
CLOCK
26
CF4.0MHZ
MUTE
XTL801
4MHz
CF4.0MHZ 25
RADIO LED 41
CD 39
53 XRST
14 FOK
56
KEY SCAN
XTOUT32.768KHZ 19
57 OUT 1,2
XTL802
27 32.768kHz
KEY MATRIX XTIN32.768KHZ 20
| IC802
1-8
34
RESET 5 3 RESET 1
38 CDSW
WP(REG CHK) 18
REM IN 6
Q309
SEG1-17 COM1-4
B+
78,75-60 2,1,80,79 ON/OFF
SEN851
Q308
REMOTE
B+
CONTROL
SWITCH
RECEIVER
LCD801
LIQUID CRYSTAL DISPLAY
— 25 —
IC301
PRE AMP
IC351 IC302
GRAPHIC EQ. VOLUME
BUFFER
TAPE AMP 7dB
OUT 1
20 21 19 8 VR AMP 7
TAPE
3 RV351
MEGA BASS
1 Q105
REC AMP 7 RV352 LOGIC CONTROL AUDIO
26dB 400Hz
5 MUTE
11 RV353
1kHz
9
4 5
15 RV354
4kHz
13
RV355
10kHz
RADIO/CD
15 17
Q307
SWITCH
Q314
RADIO B+
+5V
SWITCH
Q315
SWITCH
Q705
SWITCH
Q704
CD B+
+5V
Q313
SWITCH
Q703
+7V SWITCH PL701,702
LAMP
Q311 Q312 DRIVE
B+
+5V REG
SWITCH
Q310
B+
SWITCH
LD354
OPR/BATT
D307
D308
IC304
B+
3 1
REG
IC303
POWER AMP
R-CH JK301
8 11 PHONES
STANDBY VCC
1 12
L SP101
SPEAKER
R SP201
T901
POWER
D901-D904 TRANSFORMER
J901
RECT
AC IN
DRY BATTERY
SIZE"D"
(IEC DESIGNATIO R20)
6PCS,9V
• R CH : Same as L CH
• SIGNAL PATH.
:FM
:PB
:REC
:CD
— 26 —