Sony XES-Z50 (serv.man2) Service Manual ▷ View online
XES-Z50
– 77 –
– 78 –
7-3.
BLOCK DIAGRAM – CONTROL UNIT (TUNER Section) –
IC506
SWITCHING
FM/AM
TUNER UNIT
1
2
4
PLL4
PLL3
PLL2
PLL1
DIVER
SEEK
S.METER
AM MODE
FM MODE
MUTE
SD
L-CH
R-CH
AM
L-CH
R-CH
TO CD
CHANGER
CHANGER
L-CH
R-CH
FM
CN502
(1/2)
MUTE
Q605, 606
MUTE CONTROL
SWITCH
Q607
Q519
Q526
Q525
SIGNAL METER
BUFFER
Q541
38
39
40
41
73
72
63
56
57
71
32 70
66
PLL CE
X1
X2
PLL CKO
PLL DO
PLL DI
DIVER
FM VSM
AM VSM
AM ST IN
ST /MONO
SD
MUTE
AM ON
FM ON
TU ON
B.U +5V
SEEK
MAIN/SUB
64
65
61
8
9
X503
8MHz
SDA
SCL
EEPROM
IC516
5
6
26
30
52
RESET SIGNAL
GENERATOR
IC517
TUNER CONTROLLER
IC502(1/2)
SRAM RST
EEP SCK
EEP SDA
RELAY DRIVE
Q609
IC603
FM/AM SELECT
RELAY
MUTE
A
TUNER B+
AM B+ SWITCH
Q536, 538
AM B+
FM/AM TUNER
UNIT B+
AM B+ SWITCH
Q535, 537
TUNER B+ SWITCH
Q528, 529
P.U +5V
FM B+
FM/AM TUNER
UNIT B+
TUNER
CIRCUIT B+
–1
–2
13
8
(ANTENNA)
MAIN
(FM/AM)
SUB (FM)
05
MAIN ANT
SUB ANT
(Page 82)
•
Signal path.
: FM
: AM
XES-Z50
XES-Z50
ADDRESS BUS
DATA BUS
D0 – D15
18 – 21, 23 – 34
18 – 21, 23 – 34
37 – 43, 45 – 56
A1 – A18
37 – 43, 45 – 55
A0 – A17
25 – 18, 8 – 1, 48, 17
A0 – A15
5 – 1, 44 – 42, 27 – 24, 21 – 18
5 – 1, 44 – 42, 27 – 24, 21 – 18
I/O1– I/O16
7 – 10, 13 – 16, 29 – 32, 35 – 38
DQ0 – DQ15
D0 – D15
A1 – A18
D0 – D15
7 – 10, 13 – 16, 29 – 32, 35 – 38
D0 – D15
I/O1 – I/O16
A0 – A15
DSPL-ON
A1 – A16
A0 – A18
D0 – D15
DQ0 – DQ15
A1 – A19
A1 – A16
29, 31, 33, 35, 38, 40, 42, 44,
30, 32, 34, 36, 39, 41, 43, 45
D0 – D15
A1 – A18
LB
UB
ADDRESS BUS
DATA BUS
96
89
90
72
71
DEC-CLR
DEC-CS
DEC-INT
LWR
HWR
70
56
91
88
X802
14.745MHz
EXTAL
SRAM-CS
ROM-CS
A19
RD
XTAL
GATE SWITCH
IC807 (1/3)
GATE SWITCH
IC807 (2/3)
GATE SWITCH
IC807 (3/3)
GATE SWITCH
IC803
ADDRESS BUS
DATA BUS
A1 – A19
D0 – D15
ADDRESS BUS
DATA BUS
S-RAM
IC805
FLASH MEMORY
IC804
11
26
28
17
CE
OE
WE
LB
OE
WE
CE
UB
41
39
40
6
DISPLAY CONTROLLER
IC802 (1/2)
LCD-RX
LCD-TX
DSPL-RST
14
12
4
DATA
RST
DATA
TX-LCD
RX-LCD
EXTAL
XTAL
BEEP
TIR
RES
RST
DSPL-ON 5
DATA
TRANSCEIVER
IC507
LEVEL SHIFT
IC509
LEVEL SHIFT
IC941
BUFFER
IC942 (1/2)
DISPLAY CONTROLLER
IC901
D0 – D15
A1 – A19
D8 – D15
12
14
63
X901
14.745MHz
66
67
BZ811
(BUZZER)
BUZZER DRIVE
Q811
97
2
71
72
GATE SWITCH
IC921 (1/3)
GATE SWITCH
IC921 (2/3)
GATE SWITCH
IC921 (3/3)
HWR
RD
LB
UB
ROM-CS
LCD-CS
CONTR
DIMER
LCD RST
LCD-START
LCD-BUSY
SRAM-CS
LWR
70
90
88
CONTRAST
RV801
CONTR
LCD-BUSY
LCD-CONT
LCD-DAT 0
SIRCS
SIRCS
LIQUID CRYSTAL
DISPLAY MODULE
LCD-DAT 7
DIMER
LCD-LAT
KEY-CONT
(Page 81)
(Page 81)
KEY-
CONT
CONT
D
B
C
A0
S-RAM
IC932
FLASH MEMORY
IC931
39
40
6
41
17
17
LB
UB
CE
CE
OE
WE
CE
OE
WE
25 – 18, 8 – 1, 48, 17,16
29, 31, 33, 35, 38, 40, 42, 44,
30, 32, 34, 36, 39, 41, 43, 45
26
28
11
05
66
67
99
9
8
95
SWITCHING
IC951 (2/2)
SWITCHING
IC951 (1/2)
85
84
36
ADDRESS BUS
DATA BUS
ADDRESS BUS
DATA BUS
(Page 82)
– 79 –
– 80 –
7-4.
BLOCK DIAGRAM – CONTROL UNIT (DISPLAY Section)
XES-Z50
– 81 –
– 82 –
7-5.
BLOCK DIAGRAM – CONTROL UNIT (BUS CONTROL/POWER SUPPLY Section) –
OPEN
CLOSE
C
D
A
SIRCS
BUFFER
IC942 (2/2)
SIRCS BUFFER
Q521
BUS ON SWITCH
Q516
TUNER CONTROLLER
IC502 (2/2)
BUSON
UNISI
UNISO
UNIREQ
BUS ON IN
DATA OUT
BUS ON OUT
DATA I/O
CLK OUT
BATT
SIRCS
BUS DATA
BUS CLK
RESET
LCD-DATA
DSP-DATA
B+
BUS ON
RESET
OUT
DATA IN
CLK IN
UNICKI
RESET
BU IN
DISPLAY CONTROLLER
IC802 (2/2)
LINK-OFF
2
3
94
SIRCS
SIRCS
17
45
46
42
44 14 16
D520
LEVEL SHIFT
Q518
LEVEL SHIFT
Q517
LEVEL SHIFT
IC808
87
13
15
17
63
64
84
93
BUS ON
UNISO
UNISI
UNICKI
SYSRES
BU-IN
BU-IN
LCD-BLON
RST IN
BU-C
1
6
4
2
3
D515
3
9
5
4
11
6
7
1
CN502 (2/2)
(TO CD CHANGER)
(TO CD CHANGER)
12
8
9
11
13
10
RESET
SWITCH
BATTERY
SWITCH
BUS INTERFACE
(FOR SONY BUS)
IC503
BATTERY CHECK
SWITCH
Q515
RESET SIGNAL
GENERATOR
IC504
D514
B.U +5V
D523
D522
D521
CONNECTOR BOX &
DISPLAY HOLDER
SECTION
S42
(RESET)
S51
(RESET)
70
69
72
73
X502
5MHz
X501
32.768kHz
X1
X2
XT1
XT2
UNISI
UNISO
UNICKO
UNICKI
BU IN
RESET
SYS RST
BUS ON
20
17
16
18
19
21
62
60
29 66 63 48
49
45
13
12
5
6
22
65
EEPROM
IC515
SDA
SCL
P.U +5V
KEY ACTIVE
SWITCH
Q522
SYSTEM CONTROLLER
IC501
TEL MUT
AUX ON
ACC IN
ANT REM
TUNER ON
KEY ILL
MECHA ON
MUTE
RC IN1
RC IN0
ENC –
KEY IN1
KEY IN0
KEY ACK
ENC +
50
32
79
78
1
80
77
76
KEY ACT
EEP SCK
EEP SDA
61
58
59
53
57
55
64
54
56
S21
S23
S22
PNL SW1
PNL SW4
NOSE SW
PNL SW2
PNL SW3
S21 – 23
FRONT PANEL
POSITION DET
FG
FRONT PANEL DESORP-
TION MOTOR ROTATION
DETECT
PH21
SCHMITT
TRIGGER
TRIGGER
IC513
M
M1
FRONT PANEL
DESORPTION
MECHA
+5V
REFERENCE
VOLTAGE
SWITCH
Q11
OUT2
OUT1
IN2
IN1
2
10
4
VREF
FRONT PANEL DESORPTION
MOTOR DRIVE
IC11
5
6
PNL M–
PNL M+
SIRCS
MOTOR
DRIVE
S41
(NOSE DET)
SCHMITT
TRIGGER
TRIGGER
IC31
SWITCHING
IC51 (2/2)
13
11
12
S2
S1
S1, 2
FRONT PANEL
DESORPTION DET
CONNECTOR BOX &
DISPLAY HOLDER
SECTION
OFF
S3
D577
D556
IC501, 502
V.REF.
SWITCHING
IC51 (1/2)
KEY CONT
ENC +
ENC –
RC-IN0
RC-IN1
RESET SW
+9 V
MUTE
DSPL-ON
4
6
5
3
7
2
CN508
+9V
TO ROTARY COMMANDER
(RM-X66)
D540
D507
REMOTE IN SWITCH
Q530
ACCESSORY CHECK
Q520
L501,
L506
4
1
2
5
3
B
+9V
REGULATOR
IC511
LCD B+
(FOR BACK LIGHT)
+30V
LED B+
LIQUID CRYSTAL
DISPLAY MODULE
(Page 78)
(Page 79)
(Page 80)
+5V
REGULATOR
IC510
REGULATOR
Q542
REGULATOR
Q511
REGULATOR
Q507
REGULATOR
Q508
+5V
DISPLAY
CIRCUIT B+
MECHA +5V
B+ SWITCH
Q532, 533
REGULATOR
SWITCH
Q512, 513
REGULATOR
SWITCH
Q505, 506
ANTENNA REMOTE
SWITCH
Q503, 504
TUNER B+
FM/AM TUNER
UNIT B+
PLL B+
FM/AM TUNER
UNIT B+
+9V
FM/AM TUNER
UNIT B+
+9V
ROTARY
COMMANDER
TEL-MUTE
AUX-ON
ACCESSORY
ANT-REM
BATTERY
CN501
POWER SUPPLY
CONNECTOR
05
+9V
REGULATOR
IC505
D519
B+ SWITCH
Q501, 502
DC/DC CONVERTER
CIRCUIT
IC801, Q801, 802
+30V
REGULATOR
Q803
B+ SWITCH
Q509, 510
B.U +5V
P.U +5V
P.U +5V
(Page 80)
XES-Z50
– 83 –
– 84 –
7-6.
BLOCK DIAGRAM – CHANGER UNIT (CD Section (1/2)) –
TR+
TR–
S+
S–
DATA
CLOK
XLAT
3
4
17
16
15
14
13
12
6
7
19
2
1
2 3 4 5 6
62
63
31 32
66
67
64
65
61
75
76
77 79 78 80 1 69
68
71 74 72
70
56
58
53
54
60
42
45
43
39
35
34
18
20 22
19
24
26
27
3
4
5
7
18
25
29
15
15
24
33
21
23
30
14
20
19
56
51
53
47
49
38
40
5
4
23
24
20
19
17
16
26
27
13
12
22
18
5
5
6
6
8
8
7
7
1
1
4
10
11
16
17
62
19
18 20 21 61 63
9
76
13
69
68
70
75 77
66
65
71
56
15
1
2
3
4
5
6
7
8
VC
E
D
F
A
C
B
DETECTOR
PD1
PD2
RF
I-V
AMP
RF
SUMMING
AMP
FOCUS
ERROR AMP
TRACKING
ERROR AMP
RFO
FE
FE BIAS
RF AMP,
FOCUS/TRACKING ERROR AMP
IC101
RV102
FOCUS
BIAS
TE
E
F
F I-V AMP
E I-V AMP
EI
EO
RV101
TRACKING
OFFSET
AUTOMATIC
POWER
CONTROL
Q101
APC LD
AMP
APC PD
AMP
LD
LD
PD
LASER DIODE
M
(SPINDLE)
SPINDLE
MOTOR
DRIVE
SPINDLE MOTOR
DRIVE
Q252, IC253
GATE SWITCH
IC252
COMPARATOR
IC251
MDP
MDS
RF
ASYMMETRY
CORRECTION
CORRECTION
MIX
ASYO
ASYI
FILTER
FILO
PCO
CLTV
FILI
DIGITAL PLL
VARI-PITCH
DOUBLE SPEED
EFM DE-
MODULATOR
DIGITAL SIGNAL
PROCESSOR
IC501
FSW
MON
MDP
MDS
LOCK
WFCK
WDCK
LRCK
SCOR
CLV
PROCESSOR
REGISTER
INTERNAL BUS
32K
RAM
ERROR
CORRECTOR
ADDRESS
GENERATOR
PRIORITY
ENCODER
ENCODER
SERVO AUTO
SEQUENCER
CNIN
EMPH
SBSO
SQSO
SQCK
EXCK
SEIN
DATAO
CLKO
XLTO
MIRR
FOK
MUTE
SENS
XRST
FLIP-FLOP
IC502
CPU
INTERFACE
DATA, CLK
LRCK, WDCK
DE-EMPHASIS
WFCK, SCOR,
EXCK, SBSO
CDRST
SUBCODE Q
PROCESSOR
SUBCODE P-W
PROCESSOR
X502
16.93MHz
C16M
FSTT
C16M
XTAI
XTAO
DATA
BCLK
GTOP
RFCK
RAOF
RAOF
GFS
DOUT
DIGITAL
OUT
CLOCK
GENERATOR
SERIAL/
PARALLEL
PROCESSOR
D/A DATA
PROCESSOR
PEAK
DETECTOR
DATA,
BCLK
GTOP,
RFCK, RAOF
SYNC
PROTECTOR
TIMING
GENERATOR
1
TIMING
GENERATOR
2
TIMING
IC505
WFCK
SCOR
LRCK
WDCK
CD DATA
CD CLK
GFS
PGR
OPEN
LOCK
LOT
PST
CES
HOME
CD XLT
CDRST
SQCK
SCOR
APC
SCLK
SUBQ
FOK
SENS
SYSTEM CONTROLLER
IC301 (1/3)
IC305
4
2
EXCK
SBSO
SE
TE
FE
RF
MPX
A/D
CONVERTER
DIGITAL
SERVO
PROCESS
NOISE
SHAPER
&
PWM
MODULATOR
FFDR
FF
FR
F+
F–
TRF
TRR
SLF
SLR
FRDR
TFDR
TRDR
SFDR
SRDR
SSTP
JUMP/
SEARCH
CONTROL
MIRR/DFCT/
FOK
DETECTOR
MICRO
COMPUTER
INTERFACE
DATA
CLK
XLT
SCLK
DFCT
MIRR
FOK
ELEVATOR UP/DOWN MOTOR DRIVE,
DISC LOAD/SAVE MOTOR DRIVE
MB
IN2
IN1
IN3
RIN
FIN
OUT2
IC201
OUT1
OUT2
OUT1
OUT3
MC
MA
MOTOR
DRIVE
M
M
M
M501
ELEVATOR
UP/DOWN
M502
DISC
LOAD/SAVE
M801
(DISC EJECT)
MOTOR
DRIVE
M3
M3
DISC EJECT MOTOR DRIVE
IC801
EHS
DOE
DPT
Q103
Q301
Q302
ELEVATOR HEIGHT
DETECT SENSOR
PH101
DISC DETECT
SENSOR
Q701
DISC DETECT
SENSOR
Q702
D702
(DOE)
D703
(DPT)
SW501
(HOME/TOP DET)
HOME TOP
SW701
SW804
SW803
SW802
SW12
+5V
DOOR OPEN/
CLOSE DET
LINEAR SLIDE LEVER
POSITION DET
DISC CHUCKING
END DET
(MAGAZINE LOCK DET)
(MAGAZINE DET)
PLUNGER
DRIVE
Q703, 704
PRG401
(MAGAZINE OUT)
LOCK
COUT
SENS
XTAL
XRST
FOCUS
COIL DRIVE
TRACKING
COIL DRIVE
SLED MOTOR
DRIVE
M
(SLED)
(LIMIT)
DC MOTOR (2/2)
05
SLED MOTOR DRIVE,
FOCUS/TRACKING COIL DRIVE
IC202
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
DC MOTOR (1/2)
DIGITAL SERVO
PROCESSOR
IC601
OPTICAL PICK-UP
(KSS-400A)
LDON
PD
(Page 85)
(Page 85)
(Page 85)
(Page 87)
(Page 85)
(Page 85)
(Page 85)
(Page 85)
•
Signal path.
: CD PLAY
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