Sony CMT-HP8V / HCD-HP8V Service Manual ▷ View online
29
29
HCD-HP8V
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
For schematic diagrams.
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
2
: nonflammable resistor.
•
1
: fusible resistor.
•
C
: panel designation.
For printed wiring boards.
Note:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
•
A
: B+ Line.
•
B
: B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
• Waveforms are taken with a oscilloscope.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER
J
: CD
h
: MD
L
: VIDEO
E
: PB (TAPE)
a
: REC (TAPE)
c
: DIGITAL OUT
• Abbreviation
E3
: 220-240 V AC area in E model.
EA
: Saudi Arabia model.
SP
: Singapore model.
TH
: Thai model.
• Indication of transistor
B
These are omitted.
C
E
Q
C
B
These are omitted.
E
Q
• Waveforms
– BD Board –
– BD Board –
1
IC103
qg
(RFAC)
(CD Play Mode)
1.05
±
0.3 Vp-p
2
IC103
qh
(FE)
(CD Play Mode)
3
IC103
qk
(TE)
(CD Play Mode)
4
IC103
wk
(RFDCO)
(CD Play Mode)
Approx. 250 mVp-p
Approx. 350 mVp-p
200 mV/DIV, 400 ns/DIV
100 mV/DIV, 20
µ
s/DIV
100 mV/DIV, 20
µ
s/DIV
0.75
±
0.1 Vp-p
200 mV/DIV, 400 ns/DIV
5
IC601
qd
(XT2)
3.4Vp-p
30.5
µ
s
1V/DIV,
10
µ
s/DIV
1V/DIV,
40 ns/DIV
3Vp-p
6
IC601
qh
(CF2)
125 ns
– PANEL Board –
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
B
These are omitted.
C
E
Q
– MAIN Board –
12 Vp-p
13
µ
s
5V/DIV, 4
µ
s/DIV
7
Q207 collector(REC Mode)
B
C
E
These are omitted.
– VMP Board –
3.8 Vp-p
29.5 ns
1V/DIV, 20ns/DIV
8
IC505
<zb/
(XTAO)
2.9 Vp-p
37 ns
1V/DIV, 20ns/DIV
9
IC505
<x/m
(CLKB)
Note :
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
30
30
HCD-HP8V
8-1. Block Diagram — CD SERVO Section —
• Signal Path
: CD
VO1–
VO1+
6
7
8
9
16
18
11
10
12
2
1
173
137 138
140 141
142 143
27
26
31
32
34
35
1
2
5
10
DETECTOR
A
B
C
D
RF
SUMMING
AMP
FOCUS
ERROR AMP
TRACKING
ERROR AMP
RFAC
FE
IC103
RF AMP,
FOCUS/TRACKING ERROR AMP
TE
E
F
F I-V AMP
E I-V AMP
Q101
AUTOMATIC
POWER
CONTROL
APC LD
AMP
LD
LD
PD
LASER DIODE
RFAC
164 FE
160 RFDC
162 TE
163 SE
IC505 (1/2)
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO PROCESSOR
MDP
133
SFDR
IN3+
IN4
IN3–
VO3+
VO3–
IN2–
IN2+
IN1–
IN1+
SRDR
TFDR
TRDR
FFDR
FRDR
SSTP
135
VO4+
VO4–
M101
(SPINDLE)
MOTOR
DRIVE
MOTOR
DRIVE
VO2–
VO2+
M
M
M102
(SLED)
IC102
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
OPTICAL PICK-UP
BLOCK
(A-MAX. 3)
SW
PD
55
56
47
52
168
170 171
169
FILTER
FILO
PCO
CLTV
FILI
EQ
IN
IN
3
4
EQ
AC
SUM
17
FEI
RF DC
AMP
28
RFDCO
29
RFDCI
COIL
DRIVE
COIL
DRIVE
D/A1
D/A3
D/A4
D/A2
IC506
D/A
CONVERTER
RFAC
VCA
(LIMIT)
When the optical
pick-up is inner
position
pick-up is inner
position
ON :
150
149
XTAO
XTAI
X501
33.8688MHz
RFC
26
Q102
FREQUENCY
SELECT SWITCH
93
91
88
124
PCMD
BCK
LRCK
C2PO
C2PO
111
102
109
113
DATA
CLOK
XLAT
SENS
96
126
98
114
SCOR
SQSO
L_SQCK
L_SCLK
131
121
105
GFS
L_FOK
L_CDXRST
189
XTSL
6
5
3
AO5
AO4
AO3
9
AO6
D/A4
D/A2
D/A1
D/A3
STBY
8
RST
4
CLK
DATA
LD
11
12
CLK
10
LD
DI
DATA
BCK
LRCK
C2PO
B
DATA, BCK,
LRCK, C2PO
CONT
DATA
CLOK
XLAT
SENS
SCOR
SQSO
SQCK
SCLK
GFS
FOK
XRST
C
A
AUDIO/VIDEO
SECTION
AUDIO/VIDEO
SECTION
AUDIO/VIDEO
SECTION
AUDIO/VIDEO
SECTION
MAIN
SECTION
AUDIO/VIDEO
SECTION
DATA, CLK, LD
D
SYS RST
SYS RST
F
E
DATA, CLOK, XLAT, SENS,
SCOR, SQSO, SQCK,
SCLK, GFS, FOK, XRST
15
23
31
31
HCD-HP8V
— AUDIO/VIDEO Section —
• SIGNAL Path
: CD
: VIDEO
• R-ch is omitted due to same as L-ch.
IC508
PROM
IC504
DIGITAL FILTER,
D/A CONVERTER
IC505 (2/2)
MPEG VIDEO/AUDIO DECODER,
VIDEO SIGNAL ENCODER
7
8
LOUT
ROUT
1
2
3
DATA
BCK
LRCK
DRADR0 – DRADR10
DRDAT0 – DRDAT15
D0 – D15
D0 – D15
A0 – A10
A0 – A10
74
18
73 72 68
6
201
203
204
CPSIG
AUDDTO0
AUDBCK
AUDLRCK
16
MLCK
205
AUDXCLKO
14
13
15
DATA
CLK
LAT
30
29
26
GPIO14
GPIO13
GPIO11
28
GPIO12
34 – 37, 39 – 45
49 – 56, 59 – 66
23 – 26, 29 – 34, 22
A0 – A10
12 – 5, 27, 26, 31
D8 – D15
A10 – A17
23, 25, 4, 28, 29, 3, 2, 30
D0 – D7
DQ0 – DQ7
A0 – A9, A18
DQ0 – DQ15
ADDRESS BUS
DATA BUS
IC507
D-RAM
A0 – A10
13 – 15, 17 – 21
WE
24
OE
RAS
CAS
DRCAS
DRRAS
DRWEL
NVOEL
B.P.F.
70 76 77 78
DRDQM1
DRDQM0
DRBS
DRCK
13 14
GPIO1
GPIO0
15 19 18 16
GPIO3
GPIO4
GPIO5
GPIO2
G
MAIN
SECTION
CD SERVO
SECTION
MAIN
SECTION
MAIN
SECTION
CD-L
D
DATA, CLK, LD
R-CH
2, 4, 5, 7, 8, 10, 11, 13, 42,
44, 45, 47, 48, 50, 51, 53
16
17
20
CLK
BA0
LDQM
38
15
UDQM
39
92
90
87
123
L_CDDATA
L_CDBCK
L_CDLRCK
L_CDC2PO
L_CDC2PO
110
103
108
112
L_DDAT
L_DCLK
L_XLAT
L_SENS
L_SENS
95
125
99
115
L_SCOR
L_SQSO
SQCK
SCLK
SCLK
132
120
106
L_GFS
FOK
XRST
DATA
BCK
LRCK
C2PO
B
DATA, BCK,
LRCK, C2PO
LRCK, C2PO
DATA
CLOK
XLAT
SENS
SCOR
SQSO
SQCK
SCLK
GFS
FOK
XRST
C
DATA, CLOK, XLAT, SENS,
SCOR, SQSO, SQCK,
SCLK, GFS, FOK, XRST
SCOR, SQSO, SQCK,
SCLK, GFS, FOK, XRST
24 GPIO9
CONT
A
CD SERVO
SECTION
CD SERVO
SECTION
CD SERVO
SECTION
CD SERVO
SECTION
81 SYSRST
SYS RST
F
DATA
CLK
LD
SYS OUT
SYS IN
SYS CLK
SYS CE
SYS OK
SYS RQ
IC307
VIDEO AMP
Q301
BUFFER
6
OUT
5
OUTSAG
3
IN
2
STBY
Q370
VIDEO MUTING
CONTROL SWITCH
JK302
VIDEO OUT
VIDEO MUTE
H
SYS OUT, SYS IN, SYS CLK
SYS CE, SYS OK, SYS RQ
I
207
206
CLKB
CLKA
X502
27MHz
IC102
LOW-PASS
FILER
32
32
HCD-HP8V
— MAIN Section —
: PB (TAPE)
: REC (TAPE)
: TUNER
: CD
• Signal Path
• R-ch is omitted due
to same as L-ch.
to same as L-ch.
: DIGITAL OUT
: MD
: MIC INPUT
L
R
MD
IN
TUNER PACK
L-CH
R-CH
R-CH
D OUT
D IN
CLK
CE
TUNED
R-CH
+10V
VM+10V
STEREO
MUTE
JK301(1/2)
L
R
MD
OUT
R-CH
JK301(2/2)
FM
AM
+3.3V
+4V
R-CH
BIAS
OSC
Q207
VM+10V
ERASE
HEAD
REC/PB
HEAD
DECK
Q208
PB/REC EQ AMP
IC201
PB IN(L)
34
REC OUT(L)
21
26
PB OUT(L)
24
REC IN(L)
L201
BIAS
BIAS
R-CH
Q201
Q203
Q203
BIAS
Q212
Q205
SWITCH
Q206
P5
19
P4
20
15
REC MUTE ON/OFF
14
MUTE ON/OFF
13
A/B
I/O EXPANDER
IC302
5
P15
P3
21
P2
22
23
ALC(L)
Q211
MECHA BLOCK
PLAY
T SOL
DRIVE
DRIVE
Q406,407
MOTOR
DRIVE
Q408,409
R REC
F REC
PACK
END
DECK
SOL
MOTOR
M
SW401
TAPE
OPEN/CLOSE
P0
24
P1
23
26
DI1
3
CLK
4
LATCH
MUTE
Q209
P9
11
P8
12
6
P14
7
P13
8
P12
9
P11
10
P10
18
P6
17
P7
INA2
40
IND2
CD-L
37
RECA2
36
MIC
2
SOUND PROCESSOR
IC301
POWER AMP
IC501
10
11
12
3
4
PROTECT
DETECT
Q507,508
D505
MUTE
Q304
MUTE
Q313
JK601
PHONES
R CH
R CH
L
RY501
R
JK501
SPEAKER
OVER LOAD
DETECTOR
Q503
RELAY
DRIVE
Q512
P1
P22
G1
G12
FLOURESCENT
INDICATOR TUBE
SYSTEM CONTROLLER
IC601 (1/2)
FIL2
FIL1
FUNCTION
KEY
VOLUME
ENCODER
X601
32.768kHz
FLD601
41
30
12 XT1
13
FUNCTION
KEY
S601-610
FUNCTION
KEY
S614-622
REMOTE
CONTROL
RECEIVER
RECEIVER
RM601
T901
MAIN TRANS
FIL1
FIL2
S627-636
LED607-611
LED614
+VCC
-VCC
POWER
AMP
D901-904
+4V
REG
1
5
IC602
T902
SUB TRANS
42
45
47
.
50
52
.
65
76
15 CF1
16
RES601
8MHz
XT2
CF2
D401-404
+10V
REG
REG
3
1
IC401
+5V
REG
REG
3
1
IC404
+2.5V
REG
1
3
IC201
VM+10V
D+5V(SW)
A+2.5V
+3.3V
REG
1
3
IC202
D+3.3V
+4.5V(BD)
+10V
REG
3
1
IC403
VCC+10V
D405-408
EVER+10V
EVER+3.3V
INC2
38
25
OUT2
DBFB
Q301
D417
D509
FAN
FAN
DRIVE
Q514,515
+VCC
TH501
FAN
SWITCH
Q505
19
SA OUT
VR601
80
RELAY
DRIVE
Q410
B+
SWITCH
Q401,402
+4.5V
REG
Q201
RY901
S902
VOLTAGE
SELECTOR
RECB2
35
1
REF
INB2
39
21
DATA
22
CLOCK
MUTE
CONT
CONT
Q306,307
MUTE
CONT
CONT
Q314
MUTE
Q501
PROTECT
CONT
Q509
OVER HEAT
DETECTOR
Q504,506
PROTECT
SWITCH
Q513
PROTECT
SWITCH
Q511
PROTECT
SWITCH
Q510
D507
VACS
Q609,610
VACS
23
MCLK
7
1
SYS MUTE
3
CD POWER
DI
96
DO
95
CLK
97
TUNED
74
STEREO
75
78
CE
9
SYS IN
99
SYS OUT
98
SYS CLK
100
SYS CE
5
SYS RQ
6
SYS OK
SYS IN
SYS OUT
SYS CLK
SYS CE
SYS RQ
SYS OK
10
SYS RST
4
LINE OUT MUTE
85
CE
8
81
CDM D SENSOR
71
CDM SW1-A
70
CDM SW2-A
69
CDM SW2-B
73
CDM SW3
68
CDM SW4
67
CDM SW5-A
66
CDM SW5-B
22
CDM SLDE1
21
CDM SLDE
20
CDM ELVE
TCM
18
TCM1
19
TAPE END
83
82
PROTECTOR
11
RESET
94
POWER RELAY
26
KEY0
25
KEY1
24
KEY2
79 VR ENC A
VR ENC B
92
DISC1 LED
91
DISC2 LED
88
93
DISC3 LED
87
DISC4 LED
86
DISC5 LED
28 REMCON IN
RESET
1
3
IC603
D620
D624
RESET
SWITCH
Q601
27
PWR LED
PWR DOWN
POWER
CONTROL
Q411
D413
D414
D907
VM+10V
AC
IN
EXCEPT TH
-VFL
REG
REG
Q412
-VFL
FAN+B
A+5V(SW)
+3.3V
+3.3V
REG
Q581
D501
D412
D410
D622
+4V
REG
REG
3
1
IC402
+4V
OUT1
FIN
OUT2
RIN
IC721
STOCKER MOTOR DRIVE
M761
(STOCKER)
M
7
9
4
2
OUT1
FIN
OUT2
RIN
IC711
ROLLER MOTOR DRIVE
M781
(ROLLER)
M
7
9
4
2
OUT1
FIN
OUT2
RIN
IC701
MODE MOTOR DRIVE
S771
ROTARY ENCODER (MODE)
M771
(MODE)
M
7
9
4
2
S713 (DISC IN (8/12cm))
S714 (DISC IN (8cm))
S715 (DISC OUT)
S716 (STOCKER IN/OUT)
S711 (DISC INSERT(8/12cm))
S717 (DISC POSITION)
S718 (STOCKING)
1
G
2
3
4
S702
ROTARY ENCODER
(STOCKER POSITION)
1
2
3
4
(ON : When disc insert)
S711
S713
S714
S715
S717
S718
(ON : When disc out from play position)
In the midst disc is moving
between play position and stocker
ON : disc is play position side
OFF : disc is stocker side
between play position and stocker
ON : disc is play position side
OFF : disc is stocker side
OFF: In the Midst disc is moving
between play position and
stocker
stocker
(ON : Play position)
(8cm disc only)
ON : Play position
S716
from stocker
ON : The moment disc in/out
LEVEL
SHIFT
Q731
DISC INSERT
DETECT SENSOR
IC751
G
SYSTEM CONTROLLER
IC601 (2/2)
M+7V
(UNSW)
D302-305
MIC LEVEL
VR001
MIC AMP
IC001(1/2)
3
1
MIC AMP
MUTE
IC001(2/2)
6
7
ECHO
AMP
9
2
IC002
+
JK001
MIC
ECHO LEVEL
VR002
G
AUDIO/VIDEO
SECTION
VIDEO MUTE
VIDEO MUTE
H
AUDIO/VIDEO
SECTION
SYS RST
E
CD CERVO
SECTION
SYS OUT, SYS IN,
SYS CLK, SYS CE,
SYS OK, SYS RQ
SYS CLK, SYS CE,
SYS OK, SYS RQ
I
AUDIO/VIDEO
SECTION
CD MUTE
MUTE
CONT
CONT
Q309
MUTE
Q311
REG
TO IC001
Q001
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