Sony TC-WR990 - Page 14

5-2. PRINTED WIRING BOARDS * See page 16 for Semiconductor Lead Layouts.
Pe et a A lO a Oe eae IO ie i. cE ie a |
e SEMICONDUCTOR LOCATION
[ Ret. No. | Location [[ Ret. No. | Location |
[sw-A BOARD] f E MODEL
HALE
BET
crOeDET
[Frege
eee
a
ee
eae
ry
ia
(CONDUCTOR SIDE)
| vsg90l
VOLTAGE
| 220V -240V + 120V
AC
| IN
T90I
| POWER TRANSFORMER
[=
T901 PS ek iN
|
|
|
L
AEP,UK MODEL
DECK
A
aes
5)
3
8
eye
ee
eg
d
{
aupIo
BOARD
)
‘Gl
°
BI
2),
1901
iN
POWER TRANSFORMER
(CONDUCTOR SIDE)
M2
REEL MOTOR
$
[POWER SWITCH BOARD] [Gowen]
(CONDUCTOR SIDE) ON+ OFF
(CHASSIS)
MI
CAPSTAN MOTOR
[DISPLAY BOARD) (CONDUCTOR SIDE)
HPIOI
PLAYBACK
HEAD
COUNTER
RESET
S918
SW-A BOARD SW-B BOARD
(DECK A) (DECK B)
AUDIO BOARD
(DECK A)
IC31 F-3
Q7l F-5
AUDIO BOARD AUDIO BOARD
(DECK B) :TC-WR521 (DECK B) : TC-WR590
031
(RELAY BOARD]
(CONDUCTOR SIDE)
Note:
* O—-: parts extracted from the component side.
* @—-: parts extracted from the conductor side.
+! fe indicates side identified with part number.
: Pattern on the side which is seen.
Pattern of the rear side.
* CND: Canadian model
. G: Germany model