Printed Wiring Board - Ac Dif Section - Sony STR-DA7100ES Service Manual

6-85. PRINTED WIRING BOARD – AC DIF SECTIONS –
1 2 3
AC DIF BOARD
(COMPONENT SIDE)
A
B
C
D
E
F
G
H
I
J
K
AC INLET board have been deleted in the midway of production.
New type/former type has been described in this service manual as follows.
New type: model without AC INLET board
Former type: model with AC INLET board
Refer to the service manual according to the repaired set.
STR-DA7100ES
See page 112 for Circuit Boards Location.
4 5 6 7
21
1-863-399- (22)
: Uses unleaded solder.
8 9 10 11
AC DIF BOARD
(CONDUCTOR SIDE)
(CHASSIS)
(US, CND, TW)
AC INLET BOARD
(US, CND,AEP)
(CHASSIS)
11
(22)
CN 1
- AC IN
- AC IN
(FORMER TYPE)
(NEW TYPE)
145 145
12 13 14 15
T1
MAIN POWER MOTHER COM
AY
TRANSFORMER
X
(Page 143)
(Page 115)
T2
SUB POWER
TRANSFORMER
(US, CND)
(AEP)
CN 2
AC OUTLET
STR-DA7100ES
Ver. 1.2
16 17
BOARD
CN5201
(CHASSIS)
(US, CND)
(AEP)
21
1-863-399- (22)
Semiconductor Location
Ref. No. Location Ref. No. Location
D11 F-17
IC12 C-15
D12 E-17
D13 G-17 Q12 B-15
D14 G-17
Q13 E-15
D15 F-16 Q14 D-16
D16 E-16 Q15 C-16
D18 C-16
Q16 D-16
D19 E-14