How To Load Software For Mpeg P.w.board - Sanyo DC-TS750 Service Manual

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SERVICE MODE
D. IMPORTANT NOTE
1. Once the "Market/Region" settings are written into EEPROM (IC801) on the DVD substrate, they cannot be reset.
(However, updating the system using CD-R enables you to make new settings.)
2. While the Internal Setup screen is displayed, pushing the Power button enables you to terminate the operations without

HOW TO LOAD SOFTWARE FOR MPEG P.W.BOARD

1. Power on, then open tray.
2. It take on CD-ROM for UPDATE software to the tray, and tray close.
3. Display " UP DATE" in the TV screen.
4. For the time being, tray open and FL display remain "UP DATE".
5. When software loading finished, FL display "STANDBY".
6. Next, set up market code and region code by "SERVICE MODE"
CD-ROM part code is "0PRADF9635--AC".
TUNER ADJUSTMENTS
• Use a plastic screw driver for adjustments.
• MODE : STEREO
• Speaker impedance : 8 Ω
• TUNING
FM : 87.5MHz - 108MHz(50kHz step)
AM : 522kHz - 1710kHz(9kHz step)
C2130
(E)
FM SG IN
J2105
75 OHM
(H)
XF211
AM
J2006
LOOP ANT
C2131
1 . F M
S t e p
Adjusting
Circuit
1
IF Alignment
SG=66dBµV
2
Cover
voltage
3
Tracking
Connect FM SG to FM Antenna
(SG=8dBµV)
2 . A M
S t e p
Adjusting
Circuit
1
Cover
voltage
2
Tracking
Connect AM SG to
Test loop Ant.(SG=80dBµV)
L2102
R2114
J2004
C2117
C2102
R2112
C2107
C2111
C2126
R2106
C2104
J2013
C2123
1
C2121
IC211
C2310
C2103
R2111 C2112
J2008
J2003
R2101
J2002
J2001
R2153
L2151
C2152
C2113
R2151
J2101
J2102
J2110
TP2
<GND>
TP1<VT>
TP12
TP11
(GND)
(VT)
Connection
I n p u t
O u t p u t
FM ANT.
IC231 3,22pin
TP24, TP25
---
Connect Digital DC voltmeter
to TP11(H), TP12(E).
---
Connect to VTVM
TP13(L) or TP14(R), TP15(E)
Connection
I n p u t
O u t p u t
---
Connect Digital DC voltmeter
toTP11(H), TP12(E).
---
Connect to VTVM
TP13(L) or TP14(R), TP15(E).
SG RF Level : 75Ω open Voltage dBµV
Antenna
: 75Ω unbalanced Direct, Modulation
: ±22.5kHz(MONO) ±22.5kHz(STEREO)
Dev.
±6.75kHz(PILOT)
Output Level : about 100mV at TP13,TP14,TP15
C2314
R2458
J2038
J2134
J2039
C2322
R2459
C2464
J2133
C2311
IC241
C2453
J2115
Q2451
IC241
E
LC72121
C2317
C2452
C2318
C2308
R2309
C2456
LA1844
IC231
C2302
R2305
C2330
R2304
C2328
XF231
J2016
C2306
0V ALIGNMENT
S G
Frequency
98MHz
87.5MHz
108MHz
90MHz
106MHz
S G
Frequency
522kHz
1710 kHz
603kHz
1404kHz
- 12 -
CN241
R2460
C2462
C2463
J2132
C2461
DI
J2131
CLK
J2130
CE
DO
J2230
J2140
L2451
J2242
J2241
J2011
J2012
RCH
R2812
R2712
LCH
C2327
L2503
S e t
Adjustment
Position
---
XF233
Low
L2102
High
Low
L2101
High
S e t
Adjustment
Position
Low
---
High
---
Low
L2151-a
High
: 1 kHz
D2451
Remark
0.0 ± 0.05V
Alignment voltage of
87.9MHz is 1.1 ± 0.1V.
Confirm voltage of
107.9MHz is <9.0V.
Max.
Remark
more than 0.8V
less than 9.0V
Max.

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