Technics SU-V75 - Page 9

li RESISTORS & CAPACITORS
How to remove the P.C.B.
Notes: 1. Part numbers are indicated on most mechanical parts. 3. The unit of resistance is OHM (2).
Procedure : 2. Remove the headphones P.C.B Please use this part number for parts orders. K = 10002, M= 1000KQ
1-2 1. Pill-up the 2 tabs ( 0 * @ ) 3. Remove the mea awiteh backs 2. Important safety notice: 4. The unit of capacitance is MICROFARAD (nF).
: : Components identified by A\ mark have special characteristics P=10° pF
4, Remove the 1 screw (@).
:
important
for
safety.
When
replacing
any
of
these
components
5,
Remove the
power
switch
P.C.B.
use only manufacturer's specified parts.
SS
Remove the knob by pushing it Numbering System of Resistor Numbering System of Capacitor
from behind the panel as showm
in
figure
2.
:
Example
Example
ERD 25 F J 101 ECKD 1H 102 Z F
Type. Wattage Shape Tolerance Value Type Volgage Value Tolerance Peculiarity
Screwdriver
ERD
:
Carbon
:
:
:
Electrolytic
OU:
:
+
+10%
ERG
_
:
Metal
Oxide
:
:
:
Ceramic
WE
:
:
+80%,
—20%
Headphones P.C.B.
7
:
Ceramic
1c:
:
:
£20%
Fig. 1
Ig.
:
Semi-conductor
1E:
: :
+100%,
—0%
:
Polyester
D
1H
ERC : Solid
Procedure
1. Remove the 9 screws (@~ @).
2. Remove the main P.C.B. (or remove the bottom board)
@ CAPACITORS
R1 A ERC12ZGK335
R201, 202 ERDS2TJ391
R203, 204 ERDS2TJ473
R207, 208 ERDS2TJ271
R209, 210 ERDS2TJ184
R211, 212 ERDS2TJ123
R213, 214 ERDS2TJ563
R231, 232 ERDS2TJ561
R301, 302 ERDS2TJ222
R303, 304 ERDS2TJ473
C1 A ECKDKC103PF2 0.01
C203, 204 ECCD1H101K 100P
ECKD1H471KB 470P
ECEA0JU330 33
ECFTD223KXL
ECFTD682KXL
ECEA1HNO010S
ECEA1CU101
ECKD1H103ZF
ECFTD823KXL
R305, 306 ERDS2TJ183
R309, 310 ERDS2TJ474
R311, 312 ERDS2TJ474
R313, 314 ERDS2TJ183
R315, 316 ERDS2TJ332
R317, 318 ERDS2TJ152
R319, 320 ERDS2TJ681
R321, 322 ERDS2TJ223
ECEA1EU3R3
ECKD1H331KB
ECCD1H390K
C311, 312 ECFTD123KXL
C313, 314 ECFTD683KXL
C315, 316 ECFTDS562KXL
C317, 318 ECFTD273KXL
C319, 320 ECEA1CU100
C322 ECKD1H103ZF
C401, 402 ECEA1HNO10S
Main P.C.B.
— No. How to remove the power amplifier IC.
a 1. Unsolder the power IC.
Sub hestsing 2. Remove the 2 screws (@, @).
3. Remove the sub heat-sink.
4. Remove the 2 screws (@, @).
R323, 324 ERDS2TJ392
R325, 326 ERDS2TJ392
R331, 332 ERDS2TJ153
R401, 402 ERDS2TJ222
R403, 404 ERDS2TJ393
R405, 406 ERDS2TJ272
R407, 408 ERDS2TJ393
R409, 410 ERDS1FJ100
R411, 412 ERDS2TJ470
R413, 414 ERG2ANJ331
R415, 416 ERDS2TJ561
R501 ERDS2TJ223
R502 ERG2ANJ122
ERDS2TJ473
ERDS2TJ824
ERDS2TJ154
ERDS2TJ824
ERDS2TJ223
ERDS2TJ103
ERDS2TJ561
R801, 802 ERDS2TJ391
R901,902 A ERG2ANJ222
R905 ERD25FJ470
C403, 404 ECKD1H391KB
C405, 406 ECKD1H102KB
C407, 408 ECEA1CU220
C409, 410 ECCD1H120K
C411, 412 ECKD1H473ZF
C501 ECQV1H224JZ
C502 ECEA1HU330
C503 ECEA0JU331
C601, 602 ECFTD223KXL
; C603, 604 ECEA1CKS100
@ When mounting the power IC, apply
silicon thermal compound (SZZOL15
or equivalent) to the rear of the power
IC.
c701 ECEA1CU471
c901,902 A ECES66V802U
C903 A ECKD2H103PE
c904,905 A ECEA2AG100S