Sony D-5 - PLL Free Run Frequency Check and Adjustment

4-2. SCHEMATIC
DIAGRAM
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[MAIN BOARD] ICL CX20109 aay
S.2V
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page
42
for
Note.
4
5
6
7
8
9
10
11
12
13
14
15
16
1604 TLOB2CPS IC60l_ CX23035
vco DIGITAL SIGNAL PROCESSOR/CLY SERVO
RF AMP/ SIGNAL PROCESSOR (|
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AY
SUB-CODE
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0.5v
DECODER
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&
8
Z
602 C608 | hein |.5VP-P
a 51 100P | 100k
0.2V
| PHASE
( COMPARATOR
OKA RAA?
WAXMAN
AY
4
ARR R609 foe | SESE ssp ae INTERPOLATION =
AAA 100k MALD FREE RUN a PARALLEL/SERIAL FT]
SUNN coos [9607 Ret Le co9 cg) REMENCY COMERTER
1 2Vp— 0.022 " 33p 180p |
ie ams FRAME SYNC DET, is
ERROR OET,
<=> ERROR CORRECTION
—
PROTECTION AND
VOLTAGE
INTERPOLATION
REFERENCE
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: FROM
U8nSEC [MV oy
gece oe oats rs 7
Semone, | D512 DSI c2 Q508 | VAN
issi23,ISSIO6 R589 NUM4558M =, 2501048 RAM sooess. |
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CONTROL
AGND VEE
wT g| inter
INTERFACE
TRACKING
COUNTER
(17) (!)
ov ov
Boy ue Cie geat =
—5.2V 200k RF LIMITER
See
APC
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220k
(C501 CX20108
FOCUS /TRACKING/ SLED SERVO
LOWPKSS\-——CLV SERVO. CONTROL
ca
oscio4e
(ponte)
(INVERTER)
rvsol ‘A R50! MUTING
10k 22k (FOCUS ERROR)
Fst FS2
FOCUS SEARCH |FOCUS SEARCH
UP/DOWN ON/OFF
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FORMER
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TPIO
(MIRR}
MUTING——_ J
JP39_ TPIa TPIS
(TATCH)
APC
Q2 Ic2
2SB798 DTAI2Z4EK = _NUM4558M
AUTOMATIC POWER CONTROL __[- FOCUS GAIN
(LASER ON CIRCUIT)
C1172)
(28 ADJUSTMENT.
iS NOT PERFORMED |
\
~3.2V
(cl
Cx20109
TRACKING ERROR AMP
7-TRACKING ERROR
AMP a
IC506
MB3763PF
1C504
NJM290IMB
Hiadnihon rn PWM COMPARATOR PWM RIVE
ald CONVERTER
ve
gE
TILL
*43503
1$2835°0.4)
APPROX, |Vp—p
506
oar 8528
FOCUS COIL
RESISTANCE.
VALUE : APPROX . 8.0.
NJM4558M
BIAS LEVEL
SETTING
ee Se ea PaO ICS05
B2yseC NUM290iMB
PWM
DRIVE
avp
PWM
COMPARATOR
(TRACKING)
5
SLED
ON/OFF
GND VEE
"5.2v (C504
NJM2901MB
PWM COMPARATOR
TRACKING COIL
RESISTANCE
VALUE : APPROX. 80.
Q510 2801048 FORMER: 22k ans ees a
MUTING NEW 20k a Ea
(TRACKING ERROR)
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