Sony HCD-H700 - SECTION 6 DIAGRAMS; RF PLL Free-run Frequency Check; Focus;Tracking Gain; E-F Balance Check

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SECTION 6
DIAGRAMS
RF PLL Free-run Frequency Check
Procedure : 6-1. SEMICONDUCTOR LEAD LAYOUTS 6-2. CIRCUIT BOARDS LOCATION
1. Connect frequency counter to test point (PCLK)
with:
dead
“wire:
CXA1372AQ
STK-
4132MK2
2S8C3112
SML1260S
MIC
HP.
board
VOLUME
board
SML1460E
;
frequency
counter
SML1960A
bisinsbosia
SEL4510-D
con
_
re
|
i
TP
(PCLK)
Owt—30+
Je
12
a
Ei
a8
ng— jor WER
2.
Turn
Power
switch
on.
MARKING
SIDE
VIEW
a
7
a
3. Confirm that reading on frequency counter is 13 oe vem 24 2SK246-GR3 oe saat 8
1
DISPLAY
board
4.
3218MHz.
on
MAIN
board
;
;
CXD2500AQ
Focus/Tracking
Gain
UZ36BSB
1N4148M
This gain has a margin, so even if it is slightly off.
: There is no problem.
Therefore, do not perform, this adjustment.
Please note that it should be fixed to mechanical cen-
ter position when you moved and do not know
original position.
Adjustment Locations :
(BD board)
ie
y
z ¢
ye,
. ARLES
Pp 196
rp a
a) gay
iaets
lint,
ae pee
DTA114ES
DTA144ES
DTC114ES
GP1U59XB DTC143TS
2SB1094- LK
2SC2603- EF
2$C2724-CD
2SC3622A- LK
2SD2012
beer tae}
yee
3 GND
it
LA6525M ih
i
w» 16 ‘ 8
Eas
! ae 15
pene DTA124ES
DTC144ES
2SA1175-HFE
M5218AFP
LETTER SIDE
32 17
1 16 | |
PST572E I\s
Fis
IN Pre ouT
Cathode
DTZ3.9B
188352
1SS355
Anode
SG
CATHODE
EC10DS2
Cathode
HZS6A1L
UZL- 9M2
11ES2
Cathode
NJL5165K-B
SW board
POWER TRANSFORMER board
2 SUB board
MD-A board
MD-B board
LEAF SW (A) board
LEAF
SW
(B)
board
BD
board
LOADING board
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