Sony STR-DB798 Service Manual ▷ View online
5
STR-DB798
SERVICE POSITION
clip
clip
AU-IN board (JW101)
DIGITAL board (EB1101)
COMP-V board (JW300)
When checking without back panel, it is necessary to connect the clip for GND to a chassis.
-MAIN BOARD SERVICE POSITION-
MAIN board
rear panel
COMP-V board
DIGITAL board
6
STR-DB798
SECTION 2
GENERAL
This section is extracted from
instruction manual.
instruction manual.
Receiver
A.F.D. qj
Cover ws
DIRECT qs
DISPLAY 9
Display 7
INPUT MODE q;
INPUT SELECTOR qf
IR (receptor) 1
IR (receptor) 1
MAIN MENU 4
MASTER VOLUME –/+ qa
MEMORY/ENTER 5
MEMORY/ENTER 5
MENU 3
MOVIE qh
MULTI CHANNEL DECODING
(indicator) 8
MULTI CH IN qd
MUSIC qg
PHONES (jack) wg
PRESET TUNING –/+ wa
PUSH wf
SPEAKERS (OFF/A/B/A+B) wh
SURR BACK DECODING ql
TUNING –/+ w;
TUNING –/+ w;
VIDEO 3 INPUT (jacks) wd
2CH qk
–/+ 6
?/1 (power) 2
ALPHABETICAL ORDER
A - L
M - Z
NUMBERS AND SYMBOLS
PUSH
2
6
3
0
8
7
4
5
9
1
wa
wf
wg
wh
wd
ws
w;
qk qj qh qg
qf
qd
qs
ql
qa
To remove the cover
Press PUSH to remove the cover. When you remove the
cover, keep the cover out of reach of the children.
cover, keep the cover out of reach of the children.
STR-DB798
7
Note:
Follow the disassembly procedure in the numerical order given.
3-2. CASE
• This set can be disassembled in the order shown below.
3-1. DISASSEMBLY FLOW
SECTION 3
DISASSEMBLY
3-2. CASE
(Page 7)
SET
3-3. COMP-V BOARD
(Page 8)
3-4. BACK PANEL BLOCK
(Page 8)
3-5. DIGITAL BOARD, A/V SYNC BOARD
(Page 9)
3-6. STAY-5/AU-IN/VIDEO-AU/VIDEO/
S-VIDEO/SPK-A/SPK-B BOARD
(Page 9)
(Page 9)
3-7. MAIN BOARD BLOCK
(Page 10)
3-8. MAIN BOARD
(Page 10)
4
case
3
two screws
(BVTP3
(BVTP3
×
8)
2
two flat head
screws
screws
1
four flat head
screws
screws
STR-DB798
8
3-3. COMP-V BOARD
3-4. BACK PANEL BLOCK
3
two connectors
(CN919, 3801)
(CN919, 3801)
2
feeder fixed screw
5
connector
(CN3052)
(CN3052)
6
COMP-V board
3
connector
(CN168)
(CN168)
1
two screws
(BVTP3
(BVTP3
×
8)
4
1
wire (flat type)
(15 core) (CN1103)
(15 core) (CN1103)
2
two connectors
(CN901, 902)
(AEP, Taiwan)
(CN901, 902)
(AEP, Taiwan)
7
back panel block
4
screw
(BV3
(BV3
×
8 CU)
4
five screws
(BV3
(BV3
×
8 CU)
3
eight screws
(BVTP3
(BVTP3
×
8)
3
eight screws
(BVTP3
(BVTP3
×
8)
3
seven screws
(BVTP3
(BVTP3
×
8)
5
five screws
(BVTP3
(BVTP3
×
10)
6
two screws
(BVTP4
(BVTP4
×
8)
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