Technics SL-HD301 Service Manual

Pin Mark Function
VO
Division
5 ie)
A
PLL extract clock output terminal
(fPCK=4.321 MHz: normal play)(Not
used, open)
VCO loop filter 2 terminal(Connected
to GND)
Sub-code serial data output
COF2
N NIM EMT] NM] PD = =/o = = = ~I
fo>) Oil R}WIM)/-/O GN al wo Le) =
z| wislsi<l< z olo 5| alSlElzlo 5 lel Ol oe]
4 mo +{|¢ + D +
Zz nN
No
SUBC
Sub-code serial data clock input
terminal (Connected to GND)
GND terminal
Crystal oscillator input
terminal(f=33.8688 MHz)
Crystal oscillator output
terminal(f=33.8688 MHz)
Power supply (oscillation circuit)
terminal
Byte clock output terminal (Not used,
open)
Sub-code frame clock signal output
terminal (f(CLDCK=7.35 kHz: normal
play) (Not used)
Crystal frame clock signal output
terminal (f(CLK=7.35 kHz, double
= oO 3 3 3
=
Zz
ro)
> Cc (7) O a
ad
o
2 OUT x! x<l<l oO <
op] 8 z xz
<
G
o
YTCK
i)
CLDCK
CLK
velocity 14.7 kHz) (Not used, open)
Data error flag output terminal("H":
interpolation) (Not used, open)
Flag output terminal (Not used,
open)
Spindle servo phase synchro signal
output terminal ("H": CLV, "L”:
Rough servo) (Not used, open)
Sub-code CRC check output
terminal("H": ON, "L": NG) (Not
used, open)
De-emphasis ON signal output
terminal ("H": ON) (Not used, open)
Re-synchronizing signal of frame
sync.output terminal (Not used,
open)
Power supply (digital circuit) terminal
Test input terminal (Connected to
power supply)
Power supply (analog circuit)
terminal
4 PFLAG
LVS
RESY
Oo OSEL
L ch audio signal output terminal
GND terminal
R ch audio signal output terminal
RF signal polarity designation input
terminal (Connected to power
supply)
Crystal oscillator frequency
designation input
terminal(Connected to power supply)
>/O| F& 5 iw) fe) Oo}; 7a 5 7 a] ow
Ze) Z| a al a S
Test input terminal(Usually:"H")
(Connected to GND)
Output frequency switching terminal
of SMAC("H":SMCK=8.4672MHz,
"L":SMCK=4.2336MHz) (Connected
to GND)
Output mode switching terminal of
SUBQ("H":Q-code buffer using
mode) (Connected to power supply)
o a7 ~ ~7JA7S7—7. =). ONS a
fs)
n z/| ov Fost Dio a} 6] | IS
rc QO
cy oT o 8)
e IC703(AN8739SBE2):FOCUS COIL/TRACKING COIL/
TRAVERSE MOTOR/ SPINDLE MOTOR DRIVE
Division
[—_ [Reset output terminal (Not used, open) |
[—[Notused
|____|Motor driver (2) input terminal
(itl
id
=
v0
” 4
Zz
iN)
3
O18
PC2 (power cut) input terminal
z
Oo
z
27
SL-HD301 / SL-HD501
vO Function
Division
i | Motor driver (1) input terminal
a, Power supply (for driver) terminal
[— __|GND (for driver) terminal (1)
VCC1
ND1
z|u/0 S18 5
=s
7]
1- Traverse motor driver (1) output
terminal (-)
Traverse motor driver (1) output
terminal (+)
ed Spindle motor driver (2) output terminal
— od
Spindle motor driver (2) output terminal
racking coil signal output terminal (-)
racking coil signal output terminal (+)
7
ocus coil signal output terminal (-)
D4+
eal
ocus coil signal output terminal (+)
PGND.
PVCC
GND (for driver) terminal (2)
lio
lo
lo
a
no | Power supply (for driver) terminal (2)
1
fe ee
7
he — ="
No
Power supply terminal
Reference voltage input terminal
Motor driver (4) input terminal
Motor driver (3). input terminal
Reset input terminal (Connected to
GND)
San
° 1C403(LC66358C4K97):SYSTEM CONTROL
roa Mark Me) Function
Division
1 |STR1 [O _[Key switch 1 det. terminal
2 |STR2_ [0 _—[Key switch 2 det. terminal
SVRST oul Reset signal terminal of servo |C
(IC702)
4. |SuBQ_ |! _|Sub-code data input terminal
Select signal output terminal (Not
used, open)
I— _|Not used, open
[oO __—|Sub-code registor clock output terminal
||: [Sub-code block signal input teminal
>) Ree permission terminal o data
(Not used, connected to powe: supply)
ee LED drive signal terminal
to | Not used, connected to powersupply
Command load signal terminaito
1C702
Command data signal terminalto
IC702
TEST |— _|Notused, connected to GND
V I— _ [GND terminal
TEST |
OsC1 Crystal oscillator connected teminal
(f=4.19MHz)
ice ee Not used, open
pees Crystal oscillator connected temsinal
(f=4.19MHz)
21 |Rst fi | Reset signal input terminal
Seal bia Command clock output terminj to
IC702
23 aed Not used (Connected to powerssupply
MODE through registor)
Clock control signal output ternisal
CNT
(Not used, open)
CLK Communication clock velocity i lect
SPD input terminal
2/s\ea|S5| BlEig|a| & BIZIZ9IO°] alAlo sa
ol< | <|Q\x m
MDATA
20
= = = =/a = =
N NO

Technics SL-HD301 Specifications

General

Brand	Technics
Model	SL-HD301
Category	CD Player
Language	English