Sony HCD-TB10 Service Manual ▷ View online
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
OSC
AM
MIX
MIX
AM
PF.AMP
PF.AMP
AGC
AM
IF
AM
DET
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
-
-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
40
HCD-TB10
Pin No.
44 to 53
54
55
56 to 78
79
80
81
82
83 to 86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
O
–
–
O
–
I
I
–
O
O
O
–
–
–
I
I
I
O
O
O
O
O
O
Pin Name
S01 to S10
VDD2
VSS2
S11 to S33
NC
BU1924-DATA
PROT.SENS
NC
COM 4 to COM 1
PWR LED
REC/PAUSE LED
VSS
VDD
FLASH R/W
VR ENCODER-B
VR ENCODER-A
TAPE END SENSOR
TAPE MECH.VCC
TAPE SOL
TAPE REC
TAPE BIAS
TAPE REC MUT
TAPE PB MUTE
Description
Segment drive signal output to the liquid crystal display
Power supply
Ground
Segment drive signal output to the liquid crystal display
Not used (open)
Data input from the RDS decoder IC
Power amplifier circuit protection signal input
Connected to ground
Common drive signal output to the liquid crystal display
Standby LED control signal output
REC/PAUSE LED control signal output
Ground
Power supply
Fixed at “H”
Volume signal input from the rotary encoder
Volume signal input from the rotary encoder
Tape end sensor signal input
Motor power control signal output for the tape deck
Solenoid control signal output for the tape deck
Tape recording switch control signal output
Tape recording bias on/off control signal output
Tape recording muting control signal output
Tape playback muting control signal output
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