Sony LMT-300, Service Manual

Page: 13 / 92

1-5 (E)
LMT-300
A B C D E F G H J
1
2
3
4
5
6
7
8
S1501
S1503
S2502 S1502
S4501
S2001
S4002
S3201 (Side B)
ON
OFF 1 2 3 4 5 6 7 8
ON
OFF 1 2 3 4 5 6 7 8
ON
OFF 1 2 3 4 5 6 7 8
ON
OFF 1 2 3 4 5 6 7 8
ON
OFF 1 2 3 4
1-4. Switch/Indicator on the Board
1-4-1. Switch
1. PU-131 board
m
.
The parts location on the board is shown in parentheses.
.
Only S3201 (D-8) is located on side B.
Ref No. (Address) Name Function Remarks
S2001 (E-8) PU-131 board reset
switch The PU-131 board and SSP-27A/27B board are reset by pressing
this switch.
n
This switch is factory use only. Do not press it in the normal operation.
S1501 (A-2) IC1602/IC4501
recon
fi guration switch
Each FPGA on the PU-131 board is recon fi gured by pressing the
switch.
n
This switch is factory use only. Do not press it in the normal operation.
S1503 (A-2) IC4001
recon
fi guration switch
S1502 (B-1) PU-131 board
adjustment switch Factory setting: OFF
S1502-1 to 8: Factory use only
(always OFF in the normal operation)
S2502 (B-1) PU-131 board
adjustment switch Factory setting: OFF
S2502-1 to 8: Factory use only
(always OFF in the normal operation)
S4501 (E-3) PU-131 board
adjustment switch Factory setting: OFF
S4501-1 to 8: Factory use only
(always OFF in the normal operation)
S4002 (F-8) PU-131 board
adjustment switch Factory setting: OFF
S4002-1 to 8: Factory use only
(always OFF in the normal operation)
S3201 (D-8) PU-131 board AUDIO
OUTPUT1 check
switch Factory setting: OFF
S3201-1: CH8/9
output enable
(always OFF in the normal operation)
S3201-2: CH10/11 output enable
(always OFF in the normal operation)
S3201-3: CH12/13 output enable
(always OFF in the normal operation)
S3201-4: CH14/15 output enable
(always OFF in the normal operation)