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Model
HCD-TB10
Pages
55
Size
3.78 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-tb10.pdf
Date

Sony HCD-TB10 Service Manual ▷ View online

36
36
HCD-TB10
6-16. Printed Wiring Board  – MOTOR Section –
• See page 19 for Circuit Boards Location.
• IC Block Diagrams
IC731
LA9242M
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
64
VCC1
LDS
LDD
BHI
PHI
LF2
VR
REFI
VCC2
FSS
DRF
CE
DAT
CL
CLK
DEF
FD-
FA
FA-
FE
FE-
SL-
SL+
AGND
NC
SP
SPG
SP-
SPD
SLEQ
SLD
JP-
NC
TBC
FSC
DGND
SLI
SLC
RFS-
RFSM
CV+
CV-
SLOF
HFL
TES
TOFF
TGL
JP+
FIN2
FINI
E
F
TB
TE-
TE
TESI
SCI
TH
TA
TD-
TD
JP
TO
FD
62
61
60
59
55 54 53 52 51 50
49
48
47
46
45
44
43
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
42
58
57
56
RF DET
I / V
VCA
VCA
LSC
RF AMP
BAL
TE
T. SERVO & T. LOGIC
F. SERVO & F. LOGIC
SPINDLE SERVO
SLED SERVO
∝-COM
INTERFACE
APC
REF
+ -
+
-
+
-
+
-
+ -
+ -
+ -
- +
+ -
63
IC751
LC78622NE
15
HFL
16
TES
17
T
OFF
20
JP-
19
JP+
58
RES
18
TGL
34
PCCL
24
RF GAIN
25
LP
26
D.
M
UTE
27
LIMIT SW
28
SHUTER IN/OUT
29
EMPH/CONT6
48
EFLG
60
16M
61
4.2M
46
XVSS
52
FSX
45
XIN
44
XOUT
43
XVDD
39
R
VSS
41
R
VDD
42
MUTER/CONT8
40
RCHO
37
LCHO
35
MUTEL/CONT7
38
LVSS
36
LVDD
Servo
command
General-purpose
ports
Crystal oscillator system
Timing generation
L.P.F
1-bit DAC
54
RWC
56
COIN
57
CQCK
55
SQOUT
53
WRQ
63
CS
50
SFSY
47
SBSY
51
SBCK
49
PW
14
V/P
13
CLV-
12
CLV+
22
FSEQ
10
EFMIN
1
DEFI
Microprocessor
interface
Subcode
separation
QCRC
CLV digital
servo
Synchronization
detection
EFM demoduration
Slice level
control
8x oversampling
digital filters
Digital
attenuator
Digital
output
Bilingual
Interpolation
and muting
31 DOUT
30 C2F
C1 and C2 error detection
and correction
Flag processing
9
EFMO
VCO clock oscillator
Clock control
2k x 8-bit RAM
RAM address
generator
6
VVDD
4
VVSS
3
PDO
5
ISET
7
RF
21
PCK
2
TA
I
59
TST11
64
TEST1
11
TEST2
32
TEST3
33
TEST4
62
TEST5
23
VDD
8
VSS
1
2
A
B
C
D
3
MOTOR BOARD
M
M
M
MOTOR
(TRAY)
BOARD
S701 
(SLIDE SWITCH)
(SLED MOTOR)
(SPINDLE MOTOR)
M721
(LOADING MOTOR)
1-684-562-
1-683-960-
TO
CDM 
BOARD
CN732
(Page 35)
I
6
1
11
11
(11)
TO
CDM
BOARD
CN735
(Page 35)
J
37
HCD-TB10
IC781
BA5810FP-E2
1
FWD
+
+
+
2
REV
LOADING PRE
FWD REV
3
LDCONT
6
IN2
7
PREVCC
8
POWVCC
VOL–
VOL+
IN1
4
PS
+
LEVEL 
SHIFT
+
+
LEVEL 
SHIFT
LEVEL 
SHIFT
+
POWER
SAVE
CH1-4
MUTE
X3
9
10
11
VO2–
12
VO2+
13
VO1–
14
VO1+
5
BIAS
OPIN4+
OPIN4–
OPIN3–
OPOUT3
MUTE
POWVCC
GND
OPIN3+
OPOUT4
VO3–
VO3+
VO4–
VO4+
7.5k
7.5k
16k
16k
7.5k
7.5k
16k
16k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
+
+
+
LEVEL 
SHIFT
+
+
+
10k
10k
10k
10k
+
28
27
26
23
22
21
25
20
19
18
17
16
15
24
POWVCC34
(CH3,CH4)
PREVCC
(PRE.LOADING)
POWVCC12
(CH1.CH2)
IC101
LA1845
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
21
22
23
24
S-CURVE
AM/FM
IF
BUFF
COMP
TUNING
DRIVE
AM
OSC
AM
MIX
AM
PF.AMP
AGC
AM
IF
AM
DET
BUFF
LEVEL
DET
FM
IF
FM
DET
REG
GND
DEOODER
ANTI-BIRDIE
P-DET
ø
PILOT
CANCEL
STEREO
SW
VCO
304kHz
FF
38k
FF
19k
π
2
FF
19k 0
PILOT
DET
V
CC
ALC
AFC
AM-RF IN
AM-AGC
S.METER
AM DET-OUT
DECODER OUT
PLL-IN
DECODER IN
PILOT CANCEL
R-OUT
L-OUT
AM-OSC
OSC AM.SD
REG
AM IF-IN
GND
TUNED
STEREO
FM-DET
VCC
IF-REQ MUTE
AM/FM
VCO STOP
AM MIX-OUT
FM-IN
38
HCD-TB10
IC102
LC72131D
PHASE
DETECTOR
CHARGE PUMP
SWALLOW COUNTER
1/16, 1/17 4BITS
12BITS
PROGRAMMABLE
DRIVER
UNIVERSAL
COUNTER
REFERENCE
DIVIDER
POWER
ON
RESET
1/2
CCB
INTERFACE
1
3 4 5 6
7 8 9 10
18
17
16
15
13
12
11
19
20
21
22
XOUT
GND
AOUT
AIN
PD
VDD
FMOSC
AMOSC
14
NC
XIN
DO
CL
DI
CE
2
NC
IFIN
SD/IN
FA
VCO STOP
IF REQ
FM
NC
UNLOCK
DETECTOR
DATA SHIFT REGISTER LATCH
IC103
BU1924
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
QUAL
RD
ATA
VREF
VDD1
VSS1
MUX
VSS3
CMP
RCLK
XO
XI
(NC)
VDD2
VSS2
T1
T2
8TH SWITCHED
CAPACITOR
FILTER
PLL 57KHz
RDS/ARI
BIPHASE
DECODER
DEFFERENTIAL
DECODER
PLL
1187.5Hz
TEST
CLOCK
IC301
BD3873FS
24
CAP
23
TNF1
22
TNF2
21
BNF2
20
BOUT2
19
BNF1
18
BOUT1
17
OUT1
16
OUT2
15
VCC
14
SI
13
SC
1
VIN1
2
VIN2
3
SEL2
4
SEL1
5
A1
6
A2
7
B1
8
B2
9
C1
10
C2
11
FIL
TER
12
GND
0dB-
-87dB
-
Vcc/2
Vcc/2
Surround
50k
50k
50k
50k
50k
50k
Vcc/2
Vcc/2
Vcc/2
Treble1
fc=8kHz
Treble2
fc=8kHz
Bass2
fo=80Hz
Bass1
fo=80Hz
Logic
39
HCD-TB10
6-17. IC Pin Function Description
• IC601 LC877348A-5Z50E Master Control (PANEL Board)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
I/O
O
O
O
I
O
O
I
O
O
I
I
O
I
O
I
I
I
I
I
I
I
I
I
I
I
I
O
O
O
O
O
O
O
O
O
O
O
O
I
I
Pin Name
LC72131-CE
BD8371-DATA
LC72131-DATA OUT
LC72131-DATA IN
LC72131/BD8371-
CLK
LA9241M/LC78622-
COIN
LA9241M/LC78622-
SQOUT
LA9241M/LC78622-
SQCK
BACK LIGHT DM
DBFB ON/OFF
RESET
XT1
XT2
VSS
CF1
CF2
VDD1
TUNER STEREO
TUNER TUNED
HP SENS/
TPSW/TCSW
TAPE STAT
CD O/C & TAPE
CLOSE SW
MODE SW
KEY IN-3
KEY IN-2
KEY IN-1
(PWR/DISP)
PWR DOWN
REMCON IN
BU1924-CLK
TU.MUTE
SYS.MUTE
STK MUTE
SPK RELAY
PWR S. RELAY
CD PWR ON
CD MOTOR +
CD MOTOR –
CD RWC
CD RESET
CD SLED–
CD SLED+
CD WRQ
CD DRF
Description
Chip select signal output to the PLL tuner IC
Data/latch signal output to the sound processor
Data output to the PLL tuner IC
Data input from the the PLL tuner IC
Clock output to the PLL tuner IC and the sound processor
CD command data signal output
CD subcode Q signal input
CD command clock signal output
Back light LED control signal output
Not used
Reset input
Connection for a crystal resonator
Connection for a crystal resonator
Ground
Connection for a ceramic resonator
Connection for a ceramic resonator
Power sypply
Stereo tuning signal input
Tuning a frequency signal input
Headphone detection switch, tape pack switch and tape close switch signal input
Tape play switch, FF rec switch and REV rec switch signal input
 CD open switch and CD close switch signal input
Terminal for mode setting
Function key input
Function key input
Function key input
Power down signal input
Data input from the remote control receiver
Clock input from the RDS decoder IC
Tuner muting signal output
System muting signal output
Power amplifier muting signal output
Speaker relay control signal output
Standby relay control signal output
Power control signal output for CD block
CD loading motor control signal output
CD loading motor control signal output
Read/write control signal output
CD reset signal output
Sled motor control signal output
Sled motor control signal output
Subcode Q standby signal input
RF level detection signal input
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