Sony HCD-ZT4 / LBT-ZT4 Service Manual ▷ View online
HCD-ZT4
HCD-ZT4
25
25
7-3. BLOCK DIAGRAM - AMP Section -
OUT
LINE AMP
IC252
D
BASS AGC
F
SW OUT
E
POWER
AMP
IC800
MUTING
Q402
OVER LOAD
DETECT
Q801
OVER LOAD
DETECT
Q802
R-CH
MUTING
Q430
LINE AMP
IC253
+
R-CH
R-CH
R-CH
MUTING
CONTROL
Q670
LINE MUTE
58
STK MUTE
51
SW SPK RELA
Y
52
+
R-CH
PROTECT
DETECT
Q806, 809, 811
FAN MOTOR
DRIVE
Q690, 691,
Q693 -695,
Q693 -695,
Q697
RY800
+
–
–
+
+
RY890
D632
D807
TH801
M
M102
(FAN)
FAN MOTOR
DRIVE
Q110 - 113
M
M101
(FAN)
PHONES
+
–
SUBWOOFER
JK890
RELAY
DRIVE
Q805
FR SPK RELA
Y
53
PROTECT
50
RELAY
DRIVE
Q804
R-CH
J702
SYSTEM CONTROLLER
IC401 (3/4)
: TUNER (FM/AM)
SIGNAL PATH
R-ch is omitted due to same as L-ch.
+
OVER LOAD
DETECT
Q803
R
L
FRONT
SPEAKER
JK800
PROTECT
G
DC DETECT
H
STBY LED
J
HP IN
C
DC DETECT
Q815
LEVEL SHIFT
Q447
TEMPERATURE
DETECT
Q807, 808
(Page 24)
(Page 24)
(Page 24)
(Page 24)
(Page 26)
(Page 26)
(Page 26)
HCD-ZT4
HCD-ZT4
26
26
7-4. BLOCK DIAGRAM - PANEL, POWER SUPPLY Section -
REMOTE CONTROL
RECEIVER
IC1102
FL1101
FLUORESCENT
INDICATOR
TUBE
MOTOR
ASSY
S031
(METER POSITION DETECT)
3 SW LED
AD-KEY0 -
AD-KEY2
AD-KEY2
FLUORESCENT INDICATOR
TUBE DRIVER
IC1101
SYSTEM CONTROLLER
IC401 (4/4)
F907
RECT
D911, 912
PROTECT
DETECT
Q606
RECT
D602
D006
LED-VOL1. 2 -
LED-VOL5. 6
LED-VOL5. 6
S1165 - 1195
54
STBY RELAY
20
AC-CUT
RESET SWITCH
Q214, 215
D213
+3.3V
UNREG +16V
VBUS+5V
EVER +10V
83
OVERVOLTAGE
12
RESET
91 MASTER VOL
2 – 13,
15, 16
DR35 - DR16
38 – 19
DR0 - DR13
79 - 77
METER IN1 -
METER IN4
METER IN4
100, 84, 1, 2
97, 95, 94
LED DRIVE
Q1139, 1141,
Q1143
GRID DRIVE
Q1102 - 1113,
Q1115, 1116
D1124 - 1129
(STREAM)
LED DRIVE
Q1205
70 USB-BLUE LED
LED DRIVE
Q1190
D1205
SUBWOOFER
72 STBY LED
KEY0
4 SIRCS
D1196
I/
STANDBY
ROTARY
ENCODER
MASTER
VOLUME
VOLUME
OPERATION
DIAL
S1052
90 OPERATION DIAL
ROTARY
ENCODER
S1051
13 X-OUT
15 X-IN
METER SW
X402
5MHz
11 XC-OUT
10 XC-IN
X401
32.768kHz
SI
FL-DRIVER-DATA
49
86
SCK
FL-DRIVER-CLK
48
85
EEP-SDA
55
EEP-SCL
56
CSB
FL-DRIVER-CS
51
87
RSTB
FL-DRIVER-RESET
52
88
74 POWER/DISPLAY-KEY
(AC IN)
RY901
RELAY
DRIVE
Q903
D+1.5V
+1.5V
REGULATOR
IC201
DMPORT+5V
D605
D055
D623, 624
D908
A+9V
M+9V
M+7V
M+7V
F906
RECT
D601
F904
F905
F905
RECT
D801
F908
F909
F909
RECT
D800
RECT
D812
D608
+9V
REGULATOR
IC080
+9V
REGULATOR
IC602
A/D CONVERTER +5V
+5V
REGULATOR
Q696
M+5V
+5V
REGULATOR
Q1220
+3.3V
REGULATOR
IC603
+5V
REGULATOR
IC050
+5V
REGULATOR
IC055
+4V
REGULATOR
Q210 - 212
SEL A, SEL B
CD MECHANISM
MOTOR B+
REGULATOR
Q655 - 658
73
LED CTRL
5
CDM-SD
TAPE +9V
B+ SWITCH
Q681, 684
49
TC_M+9V SW
JOG B+
39
AD SUPPLY SW
B+ SWITCH
Q627, 628
–32V
REGULATOR
Q902
AMP
SECTION
B+
FOR
FLUORESCENT
INDICATOR
TUBE
–VFL
VF
VF
VF
PT902
SUB POWER
TRANSFORMER
PT901
MAIN POWER
TRANSFORMER
45
46
XT
XTB
OSC
VDD+3.3V
D+3.3V,
VREF+3.3V
+VH
–VH
–VH
+VL
–VL
–VL
D1000, 1003
(USB)
80 METER LED
LED DRIVE
Q010
D011 - 015
(ILLUMINATION)
B+ SWITCH
Q1114, 1117,
Q1120, 1122
MOTOR
DRIVE
IC001
EEPROM
IC675
81
PROTECT
G
DC DETECT
H
STBY LED
J
(Page 25)
(Page 25)
(Page 25)
HCD-ZT4
HCD-ZT4
27
27
For Schematic Diagrams.
Note:
• All capacitors are in μF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
• All capacitors are in μF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in
Ω and
1
/
4
W or less unless otherwise
specifi ed.
• f :
internal
component.
• 2 : nonfl ammable resistor.
• 5 : fusible resistor.
• C : panel designation.
• 5 : fusible resistor.
• C : panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
– CD Board –
no mark : CD PLAY
– TC Board –
no mark : TAPE PLAY
( ) : TAPE REC
– Other Boards –
no mark : TUNER (FM/AM)
( ) : CD PLAY
‹‹ ›› : TAPE PLAY
{ } : TAPE REC
• Voltages are taken with a VOM (Input impedance 10
no mark : CD PLAY
– TC Board –
no mark : TAPE PLAY
( ) : TAPE REC
– Other Boards –
no mark : TUNER (FM/AM)
( ) : CD PLAY
‹‹ ›› : TAPE PLAY
{ } : TAPE REC
• Voltages are taken with a VOM (Input impedance 10
M
Ω).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F :
F :
TUNER
(AM/FM)
J
: CD PLAY
E :
USB
d :
TAPE
PLAY
G :
TAPE
REC
f :
AUDIO
IN
h :
DMPORT
N :
MIC
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f : Internal component.
•
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f : Internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Circuit Boards Location
The components identifi ed by mark 0 or dotted line with
mark 0 are critical for safety.
Replace only with part number specifi ed.
mark 0 are critical for safety.
Replace only with part number specifi ed.
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Parts on the pattern face side seen from
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• Indication of transistor.
C
B
These are omitted.
E
Q
C E
B
These are omitted.
DISPLAY board
TC board
DISPLAY board
5V REG board
USB board
SW JACK board
MAIN board
POWERAMP board
9V REG board
TRANS2 board
LED board
SW board
MOTOR DRIVE board
VOLUME board
CD board
USB CONNECTOR board
MIC board
MINI JACK board
DMPORT board
HCD-ZT4
HCD-ZT4
28
28
• See page 34 for waveforms. • See page 52 for IC Pin Function Description.
7-5. SCHEMATIC DIAGRAM - CD Board (1/2) -
R153
R304
R303
R111
Q301
R301
R10
1
R12
8
R143
R142
R139
R140
R15
1
R159
R160
R16
1
IC101
CN301
C30
2
C303
C306
C307
C309
C100
C139
C140
C141
C142
C106
C105
R144
C143
C144
C146
C145
C147
C104
C149
C148
C150
C117
C118
C120
C10
2
C123
C101
C122
C12
6
C12
7
C103
R104
R106
1k
C132
R154
C115
C116
C110
R110
C133
R112
R120
R121
R114
R109
C112
R118
C153
C108
C136
R135
R136
R134
C138
C107
C301
C1
19
C113
R105
X102
16.9344MHz
C130
C128
R102
C137
R108
R302
R130
R12
9
S201
R155
TP121
TP124
TP106
TP1
07
1M
2.2
2.2
100
2SA2119K
100k
220
470k
47k
22k
47k
0
0
100
100
100
TC94A70FG-101
16P
10
10
100
10V
10V
1
0.001
0.1
0.01
0.01
0.0022
0.1
100
10V
0.1
22k
0.01
0.1
470p
0.01
0.1
0.1
22p
47p
0.001
0.022
0.01
0.01
0.1
470p
0.1
470p
0.1
0.0022
0.1
0
0.1
1M
22
6.3V
0.1
0.1
10k
0.1
100
0
100
10k
100
0.1
100k
0.1
0.1
47p
470k
22k
1M
470p
0.1
0.1
0.022
0.1
1M
5p
5p
10k
0.01
0
4.7k
1k
47
(RFI)
(VC)
TP123 (RFO)
(FE)
(TE)
A1
A2
A3
A4
A5
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31
A32
A33
A34
A35
A36
A37
A38
A39
A40
IPF
SBSY
RFRP
FMO
DMO
XI
XO
RO
DVR
LO
BUS0
BUS1
LDo
MDi
VCO
i
TRo
FOo
TEi
TEZi
SBOK/FOK
RFZ
i
FEi
SFSY/
LOCK
BUS2(SO)
BUS3(SI)
BUCK(CLK)
PIO0
PIO2
PIO3
PIO1
IRQ
MS
FGi
N
IO0(/HS
O)
IO1(/UHSO)
DOUT(PO
6)
AOUT(PO7)
BCK(
PO8
)
LRCK(PO
9)
BCKi
(PI5)
AIN(PI4)
LRCKi(PI6
)
AW
R
C
TMAX
TMAXS
PDo
LPFo
VCOF
SLCo
RFi
RFRPi
RFEQo
TESTR
AGCi
RFo
TNPC
TEST
ZDET
GPI
N
RESiN
VMDiR
DVDD3
XVDD3
XVSS3
VDDP3
VSSP3
AV
D
D3
A
VSS3
RVDD3
RVSS3
VDDM1
PVDD3
PVSS3
PVREF
VRo
VREF
XRST
SRAMSTB
SBAD/RFDC
VDD1
VSS1
DVSS3
DVSS3
VDDT3
VSS1
VDD1
XCCE
AoUT2(PO5)
AoUT3(PO4)
VSS1
VDDT3
VDD1
VSS1
LPF
N
TNi(E)
TPi(F)
FPi1(B)
FPi2(D)
FNi1(A)
FNi2(C)
T+
VC
GND
LD
PD
F+
T-
F-
VCC
E
D
A
B
C
F
VR
(1/2)
(LIMIT)
AUTOMATIC
POWER
CONTROL
CD-MP3 PROCESSOR
OPTICAL
PICK-UP
BLOCK
(KSM-213DCP)
(1/2)
(Page
29)
Click on the first or last page to see other HCD-ZT4 / LBT-ZT4 service manuals if exist.