Subwoofer Amp Section (Sa-Ws20R) - Sony HT-S20R Service Manual

HT-S20R
Ver. 1.4
5-2.

SUBWOOFER AMP SECTION (SA-WS20R)

52
(See Note 1, 2, 3)
#1
F
E
#2
#2
#1
#2
#1
#2
#1
#1
not supplied
#1
#1
#1
Note 1: When the complete MAIN board (Ref. No. 52) is replaced with a
new part, spread the compound for heat radiation to the touching
portion between the IC501, IC502, IC503 on the MAIN board
and the heatsink.
Note 2: When the complete MAIN board (Ref. No. 52) or BT module
(Ref. No. BT1) is replaced, refer to "BLUETOOTH CONNEC-
TION METHOD" on page 6.
Ref. No. Part No. Description
51 930100348 POWER BOARD, COMPLETE (IND, AF)
51 930100349 POWER BOARD, COMPLETE (AEP, UK, SP, AR, LA)
52 930100342 MAIN BOARD, COMPLETE (IND) (Type C)
52 930100343 MAIN BOARD, COMPLETE (AEP, UK) (Type C)
52 930100344 MAIN BOARD, COMPLETE (SP, AR, LA, AF)
52 930100527 MAIN BOARD, COMPLETE (IND) (Type V)
39
not supplied
not supplied
(heatsink)
#1
#1
not
supplied
G
not
supplied
not supplied
not supplied
not supplied
not supplied
#1
G
51
#1
(See Note 1, 2, 3)
(See Note 1, 2, 3)
(Type C) (See Note 1, 2, 3)
(See Note 1, 2, 3)
BT1
(See Note 2)
FFC1
F
E
not supplied
not
supplied
not
supplied
not supplied
not supplied
Note 3: The production country has been changed from China to Vietnam
in the midway of production. In this service manual, parts for
Chinese production are described to as "Type C" and parts for
Vietnam production are described to as "Type V".
Parts for "Type C" and "Type V" are compatible. Therefore, it is
no problem which type of parts is used.
When distinguishing the type of SA-WS20R, refer to "MODEL
IDENTIFICATION" on page 5.
Remark Ref. No. Part No.
52 930100528
52 930100529
BT1 930100340
FFC1 930100341
#1 768554719
#2 768564671
Sony CONFIDENTIAL
For Authorized Servicer
not supplied
not supplied
(model number label)
#1
#1
#1
#1
not supplied
Description
MAIN BOARD, COMPLETE (AEP, UK) (Type V)
(See Note 1, 2, 3)
MAIN BOARD, COMPLETE (SP, AR, LA, AF)
(Type V) (See Note 1, 2, 3)
BT MODULE (EB1, SWF) (See Note 2)
FFC CABLE ASSY (EB1, BT) (18 core) (with Cushion)
SCREW +BTP 3X10 TYPE2 N-S
SCREW +BVTP 3X8 TYPE2 IT-3
Remark
SYS SET