Sony HCD-H77 - Diagrams

r and
>» “oO”
wave-
id TP
O) on
sym-
to OV,
nmetry
/p-p
RF PLL Free-run Frequency Check
Procedure :
1. Connect frequency counter to test point (PCK)
with lead wire.
frequency counter
Main board z :
Foc ome
TP (PCK) T=
2. Turn Power switch on.
3. Confirm that reading on frequency counter is
4. 3218MHz.
Focus/Tracking Gain
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)
(Main board)
1C201 1C604
SECTION 6
DIAGRAMS
6-1. SEMICONDUCTOR LEAD LAYOUTS 6-2. CIRCUIT BOARDS LOCATION
CXA13720 GP-2S09-C HZS6B1L
CXD25000 HZS7B3L
UZ-3.0BS
UZ-4.7BSC
SHIELD
board
UZL-24L
UZL-9H1
1$$120 JUMPER board
1$$202-1
11ES2
2S8B1013-4 cathode
STK-4132MK2 28C3112-B DISPLAY board
2SD1616A-K
7,
iat
LEAF
SW
(A)
board
a MD-A board
2 : Lb, KV1236-Z
MARKING SIDE VIEW
DTA114ES
DTA144ES 2SB1370-EF JACK board
DTC114ES 28C2001-LK
DTC144ES 2SD1761-EF LEAF SW (B) board
2SC2603-EF a SW board
peared
LOADING
board
rae UZP-5.1BC BD board
Fey 2SK246-GR3
2SK246-Y “
DTC114TS
2SA1175-HFE RBA-402
SGoD
DTC144EK GL-1EG112-CD
GL-1HD112-DE
? GL-1HY112-CD
B
Ye
SEL1210RM-LCO5-CD
SEL1910DM-LC05-CD
long shor!
onode cothode
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