Jvc KD-S821-R Service Manual
SERVICE MANUAL
CD RECEIVER
KD-S821R
KD-S821R
Contents
DISP
MO
RND
7
45Wx4
89
10
KD-S821R
12
RDS
11
TP PTY SCM
COMPACT
DIGITAL AUDIO
Area Suffix
E -------- Continental Europe
EX ------ Central Europe
Safety precaution
Preventing static electricity
Disassembly method
Adjustment method
COPYRIGHT 2002 VICTOR COMPANY OF JAPAN, LTD.
1-2
1-3
1-4
1-11
Flow of functional
operation unit TOC read
Maintenance of laser pickup
Replacement of laser pickup
Description of major ICs
2-1
2-3
2-3
2-6
No.49679
Feb. 2002
KD-S821R
Safety precaution
!
!
Burrs formed during molding may be left over on some parts of the chassis. Therefore,
pay attention to such burrs in the case of preforming repair of this system.
Please use enough caution not to see the beam directly or touch it in case of an
adjustment or operation check.
1-2
KD-S821R
Preventing static electricity
1.Grounding to prevent damage by static electricity
Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is discharged,
can destroy the laser diode in the traverse unit (optical pickup). Take care to prevent this when performing repairs.
2.About the earth processing for the destruction prevention by static electricity
Static electricity in the work area can destroy the optical pickup (laser diode) in devices such as CD players.
Be careful to use proper grounding in the area where repairs are being performed.
2-1 Ground the workbench
Ground the workbench by laying conductive material (such as a conductive sheet) or an iron plate over
it before placing the traverse unit (optical pickup) on it.
2-2 Ground yourself
Use an anti-static wrist strap to release any static electricity built up in your body.
(caption)
Anti-static wrist strap
Conductive material
3. Handling the optical pickup
1. In order to maintain quality during transport and before installation, both sides of the laser diode on the
replacement optical pickup are shorted. After replacement, return the shorted parts to their original condition.
(Refer to the text.)
2. Do not use a tester to check the condition of the laser diode in the optical pickup. The tester's internal power
source can easily destroy the laser diode.
(conductive sheet) or iron plate
4.Handling the traverse unit (optical pickup)
1. Do not subject the traverse unit (optical pickup) to strong shocks, as it is a sensitive, complex unit.
2. Cut off the shorted part of the flexible cable using nippers, etc. after replacing the optical pickup. For specific
details, refer to the replacement procedure in the text. Remove the anti-static pin when replacing the traverse
unit. Be careful not to take too long a time when attaching it to the connector.
3. Handle the flexible cable carefully as it may break when subjected to strong force.
4. It is not possible to adjust the semi-fixed resistor that adjusts the laser power. Do not turn it
CD mechanism ass’y
Damper bracket
Attention when traverse unit is decomposed
*Please refer to "Disassembly method" in the text for pick-up and how to
detach the substrate.
1.Solder is put up before the card wire is removed from connector on
the CD substrate as shown in Figure.
(When the wire is removed without putting up solder, the CD pick-up
assembly might destroy.)
2.Please remove solder after connecting the card wire with
when you install picking up in the substrate.
Front bracket
Feed motor ass’y
FD screw
CD mechanism
control board
Soldering
FD gear
Pickup unit
1-3
KD-S821R
Disassembly method
<Main body>
Removing the front panel assembly
(See Fig.1)
1.
Press the eject button in the lower right part of the
front panel. Remove the front panel assembly from
the body.
Front panel assembly
Eject button
Fig.1
Removing the front chassis assembly
(See Fig.2 and 3)
Prior to performing the following procedure, remove
the front panel assembly.
1.
Release the four joint tabs a on both sides of the
front chassis assembly and remove the front chassis
assembly toward the front.
Tab a
Tab a
Front chassis assembly
Heat sink
Fig.2
Tab a
1-4
Fig.3
Tab a
Front chassis
assembly
Removing the heat sink (See Fig.4)
1.
Remove the three screws A on the left side of the
body.
KD-S821R
Removing the bottom cover
(See Fig.5 and 6)
Prior to performing the following procedure, remove
the front panel assembly, the front chassis assembly
and the heat sink.
1.
Turn over the body and unjoint the five joints b with
the bottom cover and the body using a screwdriver.
A
Joints b
Joint b
Heat sink
Fig.4
Rear panel
Fig.5
A
Bottom cover
Joints b
Bottom cover
Joints b
Joints b
Joint b
Rear panel
Fig.6
1-5
KD-S821R
Removing the main board
(See Fig.7 and 8)
Prior to performing the following procedure, remove
the front panel assembly, the front chassis assembly,
the heat sink and the bottom cover.
1.
Remove the screw B, the two screws C and the
three screws D attaching the rear bracket on the
back of the body. Remove the rear panel.
2.
Remove the two screws E attaching the main board
on the bottom of the body. Disconnect connector
CN501 on the main board in the direction of the
arrow.
D
E
Rear panel
C
D
Fig.7
Main board
B
C
D
E
Removing the CD mechanism section
(See Fig.9)
Prior to performing the following procedure, remove
the front panel assembly, the front chassis assembly,
the heat sink, the bottom cover and the main board.
1.
Remove the three screws F attaching the CD
mechanism section on the back of the top chassis.
CN501
F
Fig.8
CD mechanism section
F
Fig.9
F
Top chassis
1-6
KD-S821R
Removing the control switch board
(See Fig.10 to 12)
Prior to performing the following procedure, remove
the front panel assembly.
1.
Remove the four screws G attaching the rear cover
on the back of the front panel assembly.
2.
Unjoint the twelve joints c with the front panel and
the rear cover.
3.
Remove the control switch board on the back of the
front panel.
Joints c
G
G
Front panel
Rear cover
Fig.10
Joints c
G
G
Joints c
Front panel
Rear cover
Joints c
Fig.11
Control switch board
Fig.12
1-7
KD-S821R
<CD mechanism section>
Removing the CD mechanism control
board (See Fig.1 and 2)
1.
Unsolder the part a and b on the CD mechanism
control board.
2.
Remove the stator fixing the CD mechanism control
board and the damper bracket (To remove the stator
smoothly, pick up the center part).
3.
Remove the screw A attaching the CD mechanism
control board.
4.
Remove the CD mechanism control board in the
direction of the arrow while releasing it from the two
damper bracket slots d and the front bracket slot e.
5.
Disconnect the flexible wire from connector on the
pickup unit.
ATTENTION:
Turn the FD gear in the direction of the
arrow to move the entire pickup unit to
the appropriate position where the
flexible wire of the CD mechanism unit
can be disconnected easily.
(Refer to Fig.2)
CD mechanism assembly
D
h
Front bracket
Pickup unit
Damper bracket
D
A
Fig.1
e
b
Flexible wire
a
h
c
D
d
CD mechanism
control board
Shift the lock
Removing the loading motor
(See Fig.3 to 5)
Prior to performing the following procedure, remove
the CD mechanism control board.
1.
Remove the two springs f attaching the CD
mechanism assembly and the front bracket.
2.
Remove the two screws B and the front bracket
while pulling the flame outward.
3.
Remove the belt and the screw C from the loading
motor.
Loading motor
C
f
B
Loading motor
Pull outward
FD gear
Fig.2
CD mechanism control board
f
B
Front bracket
Fig.3
Front bracket
Pull outward
1-8
Fig.5
Belt
Flame
Fig.4
KD-S821R
Removing the CD mechanism assembly
(See Fig.1, 6 to 9)
Prior to performing the following procedure, remove
the CD mechanism control board and the front
bracket (loading motor).
1.
Remove the three screws D and the damper
bracket.
2.
Raise the both sides fix arms and move the fix plates
in the direction of the arrow to place the four shafts g
as shown in Fig.8 and 9.
3.
Remove the CD mechanism assembly and the two
springs h attaching the flame.
4.
Remove the two screws E and both sides rear
damper brackets from the dampers. Detach the CD
mechanism assembly from the left side to the right
side.
ATTENTION:
The CD mechanism assembly can be
removed if only the rear damper
bracket on the left side is removed.
CD mechanism
h
Front bracket
CD mechanism
D
Flame
assembly
D
assembly
h
D
Damper bracket
D
A
Fig.5
e
b
Damper bracket
D
Fig.6
a
h
c
D
d
CD mechanism
control board
h
Fix plate (L)
g
Fix arm (R)
D
Fig.7
Rear damper bracket
g
Fig.8
Rear damper bracket
E
Fix plate(R)
E
Fix arm (L)
Damper
Damper
g
g
Fig.9
1-9
KD-S821R
Removing the feed motor assembly
(See Fig.10)
Prior to performing the following procedure, remove
the CD mechanism control board, the front bracket
(loading motor) and the CD mechanism assembly.
1.
Remove the two screws F and the feed motor
assembly.
Removing the pickup unit
(See Fig.10 and 11)
Prior to performing the following procedure, remove
the CD mechanism control board, the front bracket
(loading motor), the CD mechanism assembly and
the feed motor assembly.
1.
Detach the FD gear part of the pickup unit upward.
Then remove the pickup unit while pulling out the
part i of the FD screw.
Feed motor assembly
F
FD gear
Nut push spring plate
FD screw
Pickup unit
Fig.10
Part i
Part j
Pickup unit
G
Pickup mount nut
Pickup unit
ATTENTION:
2.
Remove the screw G attaching the nut push spring
plate and the pickup mount nut from the pickup unit.
Pull out the FD screw.
When reattaching the pickup unit,
reattach the part j of the pickup unit,
then the part i of the FD screw.
Removing the spindle motor
(See Fig.12 and 13)
Prior to performing the following procedure, remove
the CD mechanism control board, the front bracket
(loading motor), the CD mechanism assembly and
the feed motor assembly.
1.
Turn up the CD mechanism assembly and remove
the two springs k on both sides of the clamper arms.
Open the clamper arm upward.
2.
Turn the turn table, and remove the two screws H
and the spindle motor.
k
FD screw
Spindle motor
Fig.11
k
Fig.12
H
1-10
H
Fig.13
Adjustment method
KD-S821R
Test instruments required for adjustment
1. Digital oscilloscope (100MHz)
2. AM Standard signal generator
3. FM Standard signal generator
4. Stereo modulator
5. Electric voltmeter
6. Digital tester
7. Tracking offset meter
8. Test Disc JVC :CTS-1000
9. Extension cable for check
EXTGS004-26P 1
Standard measuring conditions
Power supply voltage: DC14.4V(11V to 16V allowance)
Load impedance: 4 (4 to 8 allowance)
Line-Out Level/Impedance:
2.0V/20k load(full scall)
Output Impedance: 1k
Standard volume position
Balance and Bass &Treble volume : lndication"0"
Loudness : OFF
BBE : OFF
Frequency Band
FM 87.5MHz ~ 108.0MHz
MW 522kHz ~ 1620 kHz
LW 144kHz ~ 279kHz
Dummy load
Exclusive dummy load should be used for AM,and FM. For
FM dummy load,there is a loss of 6dB between SSG output
and antenna input.The loss of 6dB need not be considered
since direct reading of figures are applied in this working
standard.
How to connect the extension cable for adjusting
EXTGS004-26P
1-11
KD-S821R
Flow of functional operation until TOC read
Power ON
• When the pickup correctly moves
to the inner area of the disc
Set Function to CD
• When the laser diode correctly
emits
Microprocessor
commands
FMO
TC9462 "53"
FEED MOTOR
+TERMINAL
TERMINAL
IC501 "10"
REST SW
• When correctly focused
FEO
Focus Servo Loop ON
Disc inserted
Pickup feed to the inner area
Laser emitted
Focus search
Disc rotates
RF signal eye-pattern
remains closed
Tracking loop closed
RF signal eye-pattern
opens
TOC readout
YES
YES
Microprocessor
commands
1
"No disc"
display
• When the disc correctly rotates
Microprocessor
commands
Spindle
motor (-)
IC501 "7"
AccelerationAcceleration
0.5 Sec
Rough
Servo
0.5 Sec
Servo CLV
1-12
Jump to the first track
Play
Tracking Servo Loop ON
• RF signal
Rough Servo Mode
CLV Servo Mode
(ProgramArea)
CLV Servo Mode
(Lead-In Area;
Digital: 0)
Feed Section
Is the voltage output at
IC541 pin "53" 5V or 0V?
YES
Is 4V present at both
sides of the feed motor?
YES
NO
Is the wiring for IC541
(90) ~ (100) correct?
NO
Is 6V or 2V present at
IC501 "10" and "11"?
NO
YES
YES
Is 5V present at IC501
pin "20"?
YES
Check the vicinity of
IC541.
Check the feed motor
connection wiring.
NONO
KD-S821R
Check CD 9V
and 5V.
Check the feed motor.
Focus Section
When the lens is
moving:
4V
Does the S-search
waveform appear at
IC501 pins "6" and "7"?
Spindle Section
Is the disk rotated?
YES
Does the RF signal
appear at TP1?
YES
Is the RF waveform at TP1
distorted?
YES
Check IC501.
NO
YES
NO
NO
NO
Check the circuits in
the vicinity of IC501
pins "14" ~ "18".
Check the pickup and
its connections.
Is 4V present at IC501
pins "8" and "9" ?
Check the spindle motor
and its wiring.
Check the circuits in the
vicinity of IC521 "2" ~ "7",
"18"~"24" or the pickup
YES
YES
NO NO
Is 4V present at IC541
pin "55" ?
YES
Check the vicinity of
IC501.
Check IC521 and
IC541.
Proceed to the Tracking
section
Tracking Section
When the disc is rotated
at first:
Is the tracking error signal
output at IC521 "12"?
Check IC521.
Approx. 1.2 V
YES
Check the circuit in the
vicinity of IC521 pins
"2" ~ "12".
YESYES
Check the pickup and
its connections.
1-13
KD-S821R
Maintenance of laser pickup
(1) Cleaning the pick up lens
Before you replace the pick up, please try to
clean the lens with a alcohol soaked cotton
swab.
(2) Life of the laser diode
When the life of the laser diode has expired,
the following symptoms will appear.
(1) The level of RF output (EFM output:ampli
tude of eye pattern) will be low.
Is RF output
1.0 0.35Vp-p?
YES
O.K
(3) Semi-fixed resistor on the APC PC board
The semi-fixed resistor on the APC printed
circuit board which is attached to the pickup
is used to adjust the laser power.Since this
adjustment should be performed to match the
characteristics of the whole optical block,
do not touch the semi-fixed resistor.
If the laser power is lower than the specified
value,the laser diode is almost worn out, and
the laser pickup should be replaced.
If the semi-fixed resistor is adjusted while
the pickup is functioning normally,the laser
pickup may be damaged due to excessive current.
NO
Replace it.
Replacement of laser pickup
Turn off the power switch and,disconnect the
power cord from the ac outlet.
Replace the pickup with a normal one.(Refer
to "Pickup Removal" on the previous page)
Plug the power cord in,and turn the power on.
At this time,check that the laser emits for
about 3seconds and the objective lens moves
up and down.
Note: Do not observe the laser beam directly.
1-14
Play a disc.
Check the eye-pattern at TP1.
Finish.
Description of major ICs
HA13164A (IC961) : Regurator
1.Pin layout
REMOTE
ANT
ACC.IN
VDD5V
SW5V
ACC5V
ANT CTRL
MEMORY.IN
BATT DET9VCTRL
CD 8VAJ10V
1 2 3 4 5 6 7 8 9 101112131415
GND
2.Block daiagram
2
8
Surge Protector
3
KD-S821R
9
1
7
11
12
10
3.Pin function
Pin No. Symbol Function
1
2
REMOTE
ANT
Output voltage is VCC-1V.When M or H level applied to CTRL pin.
Output voltage is VCC-1V.When M or H level to CTRL pin and H
level to ANT-CTRL.
3
4
5
6
7
8
9
10
11
12
13
14
15
ACC.IN
VDD5V
SW5V
ACC5V
ANT CTRL
MEMORY.IN
BATT DET
9V
CTRL
CD 8V
AJ
10V
GND
Connected to ACC.
Regular 5.7V.
Output voltage is 5V when M or H level applied to CTRL pin.
Output for ACC detector.
L:ANT output OFF, H:ANT output ON
Connected to VCC.
Low battery detect.
Output voltage is 9V When M or H level applie to CTRL pin.
L:BIAS OFF, M:BIAS ON, H:CD ON
Output voltage is 8V when H level applied to CTRL pin.
Adjustment pin for ILM output voltage.
Output voltage is 10V when M or H level applied to CTRL pin.
Connected to GND.
BIAS TSD
15
6
4
5
14
13
1-15
KD-S821R
UPD178078GF-558 (IC701) : System CPU
81
~
NC
BUSINT
BUSSI
BUSSO
JBUS-SCK
NC
I2CDAI
I2CDAO
I2CCLK
NC
LCDDA
LCDSCK
BUSI/O
NC
LCODE
SW2
SW3
SW4
RESTSW
ENC1
ENC2
KEY0
KEY1
KEY2
LEVEL
AVDD
SM
SQ
NC
AVSS
REGCPU
VDD
REGOSC
X2
X1
GND0
SD/ST
GND2
NC
IFC
VDDPLL
OSC
NC
80 ~ 51
50
~
31
1 ~ 30
1.Pin layout
100
2.Pin function (1/2)
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
44
45
I/OSymbol FUNCTION
-
No use
I
JVC bus communication line
I
JVC bus communication line
O
JVC bus communication line
O
JVC bus communication line
-
No use
I
Serial data input
O
Serial data output
O
Serial clock output
-
No use
O
LCD driver serial data output
O
Serial data for LCD
O
JVC bus output select
-
No use
O
LCD driver communication line
I
CD mech switch
I
CD mech switch
I
CD mech switch
I
Traverse mech rest switch
I
Encoder input
I
Encoder input
I
Key input
I
Key input
I
Key input
I
Audio level input
-
Power supply
I
Signal level meter input
-
Signal level meter input
-
No use
-
Connect to GND
-
Connect to GND with capacitor
-
Power supply
-
Connect to GND with capacitor
-
System clock
I
System clock
-
Connect to GND
I
Station detector & Stereo indicator
-
Connect to GND
-
No use
I
IF count input
-
---
I
FM,AM osc input
-
No use
1-16
KD-S821R
2.Pin function (2/2)
Pin
NO.
46
GNDPLL
47
AMEO
48
FMEO
49
IC(VPP)
50
RESET
51
SW1
52
REMOCON
53
NC
54
TEL-MUTE
55
POWER
56
CDON
57
MUTE
58
STAGE 1
59
BUZZER
60
STAGE 2
61~68
89~98
100
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
99
NC
LM0
LM1
BUCK
CCE
BUS0
BUS1
BUS2
BUS3
RST
PS1
PS2
DETACH
RDSSCK
GND1
MONO
SEEK/STP
FM/AM
AFCK
RDSDA
PLLMONITOR
NC
VDDPORT
GNDPORT
I/OSymbol FUNCTION
-
---
O
PLL error output for AM
O
PLL error output for FM
-
Setting to write for flash
I
System reset
I
CD mech switch
I
Remocon input
-
No use
-
No use
O
Power control
O
CD power control
O
Mute control
-
No use
-
No use
-
No use
-
No use
O
CD mech driver control
O
CD mech driver control
O
CD LSI communication line
O
CD LSI communication line
I/O
I/O
I/O
I/O
CD LSI communication line
CD LSI communication line
CD LSI communication line
CD LSI communication line
O
CD LSI communication line
I
ACC detection input
I
Memory detection
I
Detach detection
-
No use
-
Connect to GND
O
Mono by force
O
Switching SEEK & STOP
O
Band switch
-
No use
O
Antena regulator control signal
-
No use
-
Non connection
-
Vdd
-
Connect to GND
UPD178078GF-558
1-17
KD-S821R
LA4743K(IC301):Power amp
1.Block diagram
IN 1
TAB
IN 2
ST BY
R.F
47 F
IN 3
PRE GND
+
0.22 F
+
0.22 F
+5V
ST ON
+
0.22 F
N.C
+
Vcc 1/2 Vcc 3/4
2200 F 0.022 F
6 20
11
+
-
+
-
9
7
OUT 1+
OUT 1-
1
PWR GND1
8
OUT 2+
5
OUT 2-
3
PWR GND2
12
Protective
circuit
-
+
+
-
2
4
Stand by
Switch
Mute
3.3 F
OUT 3+
OUT 3-
10K
+
Low Level
Mute ON
10
+
Ripple
Filter
Mute
circuit
22
+
15
-
+
-
17
19
25
18
21
PWR GND3
OUT 4+
13
Protective
circuit
+
-
1-18
IN 4
0.22 F
ON TIME C
22 F
+
14
Muting &
16
+
ON Time Control
Circuit
+
23
24
OUT 4-
PWR GND4
2.Terminal layout
KD-S821R
3.Pin function
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
SymbolPin No. Function
TAB
GND
OUTRRSTBY
OUTRR+
VCC1/2
OUTRFGND
OUTRF+
RIPPLE
INRF
INRR
SGND
INLR
INLF
ONTIME
OUTLF+
GND
OUTLFVCC3/4
OUTLR+
MUTE
OUTLRGND
NC
Header of IC
Power GND
Outpur(-) for front Rch
Stand by input
Output (+) for front Rch
Power input
Output (-) for rear Rch
Power GND
Output (+) for rear Rch
Ripple filter
Rear Rch input
Front Rch input
Signal GND
Front Lch input
Rear Lch input
Power on time control
Output (+) for rear Lch
Power GND
Output (-) for rear Lch
Power input
Output (+) for front
Muting control input
Output (-) for front
Power GND
Non connection
LA4743K
1-19
KD-S821R
LA6567H-X(IC501):BTL driver
1.Pin layout & blockdiagram
VCC2
V05-
V05+
V04+
V04-
V03+
V03-
FR
1
2
3
4
5
6
7
FR
CH 3,4,5
Power supply
CH5
CH4
CH3
Thermal shutdown
Output control
Level shiftLevel shiftLevel shiftLevel shift
Input
22K 11K
Signal system power supply
28
27
26
25
24
23
22
FR
REV
FWD
S-GND
VCONT
VIN4
VIN4G
VCC-S
FR
V02+
V02-
V01+
V01-
VCC1
VIN1
VIN1G
8
9
10
11
12
13
14
CH2
CH1
CH1,2
Power supply
11K
22K
5VREG(PNPTr
The outside putting)
22K
11K
22K
11K
21
20
19
18
17
16
15
VREF-IN
REG-OUT
REG-IN
VIN3G
VIN3
VIN2G
VIN2
1-20
KD-S821R
2. Pin function
Pin no. Symbol
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
VCC2
V05V05+
V04+
V04V03+
V03V02+
V02V01+
V01-
VCC1
VIN1
VIN1G
VIN2
VIN2G
VIN3
VIN3G
REG-IN
REG-OUT
VREF-IN
VCC-S
VIN4G
VIN4
VCONT
S-GND
FWD
LA6567H-X(2/2)
Function
CH3,4,5 Power supply( It is short with VCC1,VCC-S)
Loading output(-)
Loading terminal (+)
CH4 Output terminal(+)
CH4 Output terminal(-)
CH3 Output terminal(+)
CH3 Output terminal(-)
CH2 Output terminal(+)
CH2 Output terminal(-)
CH1 Output terminal(+)
CH1 Output terminal(-)
CH1,2(BTL) Power supply(It is short with VCC-S,VCC2)
CH1 Input terminal
CH1 Input terminal(For gain adjustment)
CH2 Input terminal
CH2 Input terminal(For gain adjustment)
CH3 Input terminal
CH3 Input terminal(For gain adjustment)
Regulator terminal(Outside putting PNP base)
Regulator terminal(Outside putting PNP collector)
Standard voltage input terminal
Signal system power supply(It is short with VCC1,VCC2)
CH4 Input terminal(For gain adjustment)
CH4 Input terminal
5CH(VLO) Output voltage set terminal
Signal system GND
5CH(VLO)Signal output switch terminal(FWD),Input of logic of loading part
28
REV
5CH(VLO)Signal output switch terminal(REV),
Input of logic of loading part
Frame(FR)at the center becomes system GND.
Please be short-circuited on the outside and use the terminal of the power supply system
and three teminals of VCC-S, VCC1,VCC2.
1-21
KD-S821R
TC9462F(IC541): DSP & DAC
1.Pin layout & Block Diagram
RST
DD
XV
80
79
81DV
SR
82RO
83DV
DD
84DVR
85LO
86DV
SL
87TEST1
88TEST2
89TEST3
90BUS0
91BUS1
92BUS2
93BUS3
94V
DD
95V
SS
96BUCK
97CCE
98TEST4
99TSMOD
100
1 2 3
TEST0
XO78XI
LPF
HSO
Micon
interface
UHSO
SS
XV
77
4 5
EMPH
DD
V
75
76
1bit
DAC
PXO
SS
PXI
V
74
73
Clock
generator
Correction
circuit
Audio out
circuit
6
7 8 9 10 11 12 13
SS
V
BCK
LRCK
AOUT
72
TESIO1
DOUT
71
TESIN
MBOV
DACT
69
70
Address circuit
16KRAM
Digital out
IPF
CKSE
SBOK
DMOUT
68
CLCK
IO3
IO265IO164IO063V
67
66
ROM
Automatic adjustment
RAM
Synchronous
guarantee
EFM decode
Sub code
decoder
14 15
16 17 18 19 20 21 22
SS
DD
V
V
DATA
SFSY
SS
DD
V
62
Servo
control
Digital equalizer
circuit
CLV servo
SBSY
SPCK
FLGD60FLGC59FLGB58FLGA57SEL562V
61
PWM D/A
A/D
Status
23 24 25
DD
COFS
MONIT
V
TESIO0
SPDA
REF
DMO54FVO53FMO52TEBC51RFGC
55
Data
slicer
VCO
PLL
TMAX
26
27 28
REF
ZDET
HSSW
P2V
+
-
+
-
PDO
+
-
+
-
29
TMAXS
30
TMAX
50 V
REF
49 TRO
48 FOO
TEZI
47
46 TEI
45 TSIN
44 SBAD
43 FEI
42 RFRP
41 RFZI
40 RFCT
39 AV
DD
38 RFI
37 SLCO
36 AV
SS
35 VCOF
34 VCOREF
33 PV
REF
32 LPFO
31 LPFN
2.Pin function
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 P2V
SYMBOL
TEST0
HSO
UHSO
EMPH
LRCK
V
SS
BCK
AOUT
DOUT
MBOV
IPF
SBOK
CLCK
V
DD
V
SS
DATA
SFSY
SBSY
SPCK
SADA
COFS
MONIT
V
DD
TESIO0--I
REF
I/O
FUNCTIONAL DESCRIPTION
-
Non connected
Non connected
-
-
Non connected
Non connected
Digital GND terminal.
--
-
Non connected
Non connected
Non connected
Non connected
Non connected
-
Non connected
Non connected
-
--
Digital power supply voltage terminal.
--
Digital GND terminal.
-
Non connected
Non connected
-
-
Non connected
Non connected
Non connected
Non connected
-
-
Non connected
Digital power supply voltage terminal.
Test input/output terminal.Normally,keep at "L" level.
The terminal that inputted the clock for read of text data by command.
--
PLL double reference voltage supply terminal.
REMARKS
With pull-up resistor.
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
1-22
Pin No.
26
27
28
29
30
Symbol
HSSW
ZDET
PDO
TMAXS
TMAX
I/O
Non connected
Non connected
Phase difference signal output terminal of EFM
O
Function Remarks
signal and PLCK signal.
TMAX detection result output terminal. Selected by
O
command bit (TMPS)
TMAX detection result output terminal. Selected by
O
command bit (TMPS)
DIFFERENCE RESULT TMAX OUTPUT
Longer than fixed freq. "P2VREF"
Shorter than fixed freq. "VSS"
Within the fixed freq. "Hiz"
KD-S821R
TC9462F(2/3)
-
-
3-state output.
(P2VREF,PVREF,VSS)
3-state output.
(P2VREF,PVREF,VSS)
3-state output.
(P2VREF,HiZ,VSS)
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58~61
62
63
64~67
68
69
70
LPFN
LPFO
PVREF
VCOREF
VCOF
AVSS
SLCO
RFI
AVDD
RFCT
RFZI
RFRP
FEI
SBAD
TSIN
TEI
TEZI
FOO
TRO
VREF
RFGC
TEBC
FMO
FVO
DMO
2VREF
SEL
FLGA~D
VDD
VSS
IO0~3
DMOUT
CKSE
DACT
LPF amplifier inverting terminal for PLL.
I
LPF amplifier output terminal for PLL.
O
PLL reference voltage supply terminal.
VCO center frequency reference level terminal. Normally,
I
keep at "PVREF" level.
VCO filter terminal.
O
Analog GND terminal.
Data slice level output terminal.
O
RF signal input terminal.
I
Analog power supply voltage terminal.
-
RFRP signal center level input terminal
I
RFRP zero cross input terminal
I
RF ripple signal input terminal
I
Focus error signal input terminal
I
Sub-beam adder signal input terminal
I
Test input terminal Normally, keep at "vref" level
I
Tracking error signal input terminal. Take in at tracking
I
servo ON.
Tracking error zero cross input terminal
I
Focus servo equalizer output terminal
O
Tracking servo equalizer output terminal
O
Analog reference voltage supply terminal
RF amplitude adjustment control signal output terminal
O
Tracking balance control signal output terminal
O
Feed equalizer output terminal
O
Speed error signal or feed search equalizer output
O
terminal
Disk equalizer output terminal
O
DSP, Synchronize to PXO)
Analog double reference voltage supply terminal
APC circuit ON/OFF indication signal output terminal
O
Non connected
Digital power supply voltage terminal
Digital GND terminal
Non connected
Non connected
Non connected
Non connected
-
(PWM carrier=88.2kHz for
Analog input.
Analog output.
-
-
Analog output.
Analog output.
Analog input.
(Zin:selected by command)
Analog input(Zin : 50k )
Analog input.
Analog input.
Analog input.
Analog input.
Analog input.
Analog input.
Analog input(Zin :10k )
Analog output.(2VREF AVSS)
3-state PWM signal
output.
(2VREF,VREF,VSS)
(PWM carrier
=88.2kHz)
3-state output.
(2VREF,VREF,VSS)
-
-
-
-
-
-
-
-
-
1-23
KD-S821R
Pin No.
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87~89
90~93
94
95
96
97
98
99
100
Symbol
TESIN
TESIO1
VSS
PXI
PXO
VDD
XVSS
XI
XO
XVDD
DVSR
RO
DVDD
DVR
LO
DVSL
TEST1~3
BUS0~3
VDD
VSS
BUCK
CCE
TEST4
TSMOD
RST
I/O
Test input terminal, Normally, keep at "L" level
I
Test input/output terminal. Normally, keep at "L" level
I
Digital GND terminal
Crystal oscillator connecting input terminal for DSP
I
Crystal oscillator connecting output terminal for DSP
O
Digital power supply voltage terminal
Oscillator GND terminal for system clock
Crystal oscillator connecting input terminal for system
I
clock
Crystal oscillator connecting output terminal for system
O
clock
Oscillator power supply voltage terminal for system clock
Analog GND terminal for DA converter (Rch)
R channel data forward output terminal
O
Analog supply voltage terminal for DA converter
Reference voltage terminal for DA converter
L channel data forward output terminal
O
Analog GND terminal for DA converter (Lch)
Non connected
Micon interface data input/output terminal
I/O
Digital power supply voltage terminal
Digital GND terminal
Micon interface clock input terminal
I
Command and data sending/receiving chip enable signal
I
input terminal
Non connecetd
Non connected
Reset signal input terminal. Reset at "L" level
I
Function Remarks
TC9462F(3/3)
Analog input.
Analog input.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Schmit input.
With pull-up resistor.
-
Schmit input.
Schmit input.
With pull-up resistor.
-
-
1-24
SAA6579T-X(IC71):RDS detecter
1.Pin layout
SCOUT
2.Block diagram
QUAL
DATA
Vref
MUX
vdd
GND
CIN
1
2
3
4
5
6
7
8
CLK
16
T57
15
OSCO
14
OSCI
13
vdd
12
GND
11
TEST
10
MODE
9
KD-S821R
121413
3.Pin function
4
8
7
CLOCKED
COMPARATOR
5
3
REFERENCE
VOLT AGE
Pin No.
1
2
3
4
ANTIALIASING
FILTER
6 11
Symbol
VP1
QUAL
DATA
Vref
MUX
57 kHz
BAND PASS
(8th ORDER)
COSTAS LOOP
VARIABLE AND
FIXED DIVIDER
CLOCK
REGERATION
AND SYNC
RECONSTRUCTION
FILTER
TEST LOGIC AND OUTPUT
SELECTOR SWITCH
OSCILLATOR
AND
DIVIDER
BIPHASE
SYMBOL
DECODER
910
Description
Quality indication output
RDS data output
Reference voltage output (0.5VDDA)
Multiplex signal input
QUALITY BIT
GENERATOR
DIFFERENTIAL
DECODER
1
2
15
15
5
6
7
8
9
10
11
12
13
14
15
16
vdd
GND
CIN
SCOUT
MODE
TEST
GND
vdd
OSCI
OSCO
T57
CLK
+5V supply voltage for analog part
Ground for analog part (0V)
Sub carrier input to comparator
Sub carrier output of reconstruction filter
Oscillator mode / test control input
Test enable input
Ground for digital part (0V)
+5V supply voltage for digital part
Oscillator input
Oscillator output
57 kHz clock signal output
RDS clock output
1-25
KD-S821R
TA2109F-X (IC521) : RF amp.
1. Pin layout
24 13
112
2. Block diagram
SBAD
13
FEO
14
10pF
FEN
15
VRO
16
RFRP
17
RFIS
18
RFGO
19
10k ohm
21k ohm
20k ohm
20k ohm
50k ohm
36pF
7.96k ohm
50uA
20k ohm
15k ohm 30k ohm
15k ohm
20uA
10k ohm
21k ohm
12k ohm
12k ohm
PEAK
BOTTOM
10k ohm
10k ohm
30k ohm
21k ohm 29k ohm
24k ohm 24k ohm
180k ohm
1.74k ohm
20pF
65uA
47k ohm
SW3
13k ohm
7.67k ohm
10k ohm
3 STATE
DET.
SW2
680 ohm
2.12k ohm
20pF
SW1
LDC
1k ohm
TEO
TEN
2VRO
TEB
SEL
LDO
MDI
12
11
10
9
8
7
6
3. Pin function
Pin
SymbolI/O
No.
Vcc
FNI
FPI
TPI
TNI
MDI
SEL
TEB
TEN
I
I
I
I
I
O
I
I
O
I
O
10
11
12
1
2
3
4
5
6
7
8
9
LDO
2VRO
TEO
RFGC
20
AGCI
21
re=130 ohm
RFO
22
GND
23
RFN
24
23.5k ohm
3.3k ohm
12k ohm
1.53k ohm
3.3k ohm
Pin function
Power supply input terminal
Main beam I-V amp input terminal
Main beam I-V amp input terminal
Sub beam I-v input terminal
Sub beam I-V input terminal
Monitor photo diode amp input terminal
Laser diode amp output terminal
Laser diode control signal input terminal
T. error balance adj. signal input terminal
Reference voltage output terminal
TE amp negative input terminal
TE error signal output terminal
180k ohm
40pF
180k ohm
Pin
No.
13
14
15
16
17
18
19
20
21
22
23
24
180k ohm
20pF
60k ohm
60k ohm
40pF
SymbolI/O
SBAD
RFRP
RFGO
RFGC
FEO
FEN
VRO
RFIS
AGCI
RFO
GND
RFN
O
O
I
O
O
I
O
I
I
O
-
I
TNI
TPI
FPI
FNI
Vcc
5
4
3
2
1
I-I
I-I
20k ohm
20k ohm
20k ohm
20k ohm
Pin function
Sub beam adder signal output terminal
Focus error signal output terminal
FE amp negative input terminal
Reference voltage (VREF) output terminal
Track count signal output terminal
RFRP detect circuit input terminal
RF gain signal output terminal
RF amplitude adj. control signal input terminal
RF signal amplitude adj. amp input terminal
RF signal output terminal
Ground terminal
RF amp negative input terminal
1-26
Loading...