Block Diagram -Main Section - Sony CFD-Z500 Service Manual

5-4. BLOCK DIAGRAM — MAIN SECTION —
MAIN BOARD
(Page 18)
CD SECTION
CNP302
2
A
CD L-CH
CNP301
1
L
HRP301
2
REC/PB
R-CH
HEAD
R
HE301
ERASE
HEAD
CNB601
CNP306
–1
1 1
4 4
BU5V
S301
(REC/PB)
REC
–2
PB
L1
2 2
FM RF
3 3
CV1-1
REC SW BOARD
CT1-1,L1
FM
TRACKING
ANT1
FM TELESCOPIC
FM
ANTENNA
IN
18
CV1-3
AM IN
19
L3
CT1-3
AM FERRITE-
ROD ANTENNA
CT1-3,L3
AM
TRACKING
CT1-4,L4
AM
CT1-4
9V
FREQUENCY
M301 6
M
COVERAGE
(CAPSTAN/REEL)
5
S303 4
(MOTOR ON/OFF)
3
8.5V
S302 2
(TAPE PLAY)
CNP302
• Signal path
: FM
CONTROL BOARD
(2/2)
:
AM
:
PB (TAPE)
: REC (TAPE)
:
CD
BU5V
CFD-Z550
SENSOR BOARD
CNP804
IR
3 3
RECEIVER 1
IC803
CNB804
04
REC/PB PRE-AMP
DET
IC301
REC L
4
AFC
CDL
24
TU L
22
L OUT
PBL
5
R OUT
6 V REF TU/CD
REC
21 LOGIC
T301
REC BIAS
Q320
CT1-2,L2
FM
FREQUENCY
CT1-1 CV1-2
COVERAGE
L2
T1
FM OSC
FM IF
RV1
CT1-2
FM VCO
20 22 27 26
FM RF FM OSC FM
VCO
DESCRI
FM OSC
FM MIX
CF1
AM MIX 16 13 FM DET
AM OSC
T2
CF2
14 AM DET
BAND SEL
AM OSC
24 15
CV1-4
T2
AM IF
Q1
MOTOR
CONTROL BU5V
L4
AM OSC Q307, 318
8.5V
CNP304
21 5 2
21 5 2
CNP802
D801
OPR/BATT
79 3
RESET
1 3 30 RST
IC802
SYSTEM CONTROL
23 KEY1
IC801 (2/2)
KEY MATRIX
24 KEY2
S801 - 820
25 KEY3
COM0-3
2 RMC SEG0-17
38-59
LCD801
S801
CD DOOR
OPEN/CLOSE
– 19 –
ELECTRONIC VOLUME
IC302
LIN
22 17 SURROUND TONE
18 R-CH
17 CONTROL
TAPE
15
2 1 22 21 20 4
FM/AM FRONTEND
IF DET, FM MPX DEMOD
IC1
6
BUFFER FM MPX MUTE
5 R-CH
ST
+B
IND
4 7
TU B+
SWITCHING 5V
Q321, 322
20 14 13 12 11 10 25
7 8 23 9 16 6 3 24 22
7 8 20 23 9 16 6 3 24 22 14 13 12 11 10 25
16 14 80 70 13 66 22 29 69 71 6 9
VLAT 18 2 LAT
VCLK 20 3 CLK
VDATA DATA
19 4
SOUND 67
21 31 32 73 74
X801 X802
CNP803
4.19MHz 150kHz
2
POWER AMP
IC304
LOUT
VOL 13 12 3
ST-BY VCC
Q101 8 4
8.5V
AGC
R-CH
Q313, 325
9V
CD
+5V REG
SWITCHING
COM5V 5V 5V
Q305
Q316, 317
+6V REG
CD6V
Q306
POWER
8.5V
SWITCHING
D304
Q303, 304
D328
D326
REG
+5V REG
CHECK 3 2
IC305
Q301,302
BU5V
POWER
SWITCHING
Q308, 309
CNB305 2 3 1
2 3 1
CNP901
RV805
10kHz
RV804
4kHz
RV803
1kHz
RV802
400Hz
RV801
MEGA BASS
10 11 12 5
D901-904
1
SOUND
CONTROL
Q801
IC803
1
CNP902
DC4.5V
DC4.5V
BATTERY BOARD BACK-UP BOARD
– 20 –
CFD-Z500/Z501/Z550
J302
PHONES
SP901
SPEAKER
L-CH
SP902
R-CH
SPEAKER
R-CH
J301
SPEAKER
IMPEDANCE 3.2Ω
4
4
POWER
BOARD
T901
J901
AC IN
CNB902
3 4
1 2
CNP903
DC4.5V