Sony ZS-BT1 Service Manual ▷ View online
ZS-BT1
9
3-5. MAIN BLOCK ASSY
3-6. BT BOARD
1
flexible flat cable (15 core)
(CNP801)
(CNP801)
4
connector
(CN902)
(CN902)
5
connector
(CN310)
(CN310)
6
screw
(B2.6)
(B2.6)
qa
main block assy
7
6
screw
(B2.6)
(B2.6)
8
flexible flat cable (11 core)
(CNP802)
(CNP802)
9
flexible flat cable (11 core)
(CNP806)
(CNP806)
0
flexible flat cable (7 core)
(CNP807)
(CNP807)
3
connector
(CN306)
(CN306)
2
connector
(CN309)
(CN309)
6
screw
(B2.6)
(B2.6)
1
flexible flat cable (15 core)
(CNP801)
(CNP801)
5
flexible flat cable (15 core)
(CN901)
(CN901)
qa
connector
qs
shield case
qd
BT board
2
two screws (BVTT2
×
6)
4
shield paper (BT FFC)
8
two screws (B2.6)
0
shield case (lid)
9
bracket (BT)
3
cover (FFC)
7
two cushions
(SP)
(SP)
ZS-BT1
10
3-8. SPEAKER (10 cm) (SP101) (L-CH), SPEAKER (10 cm) (SP201) (R-CH)
5
four screws
(B3)
(B3)
4
Remove two solders.
4
Remove two solders.
5
four screws
(B3)
(B3)
6
speaker (10 cm)
(SP101) (L-CH)
(SP101) (L-CH)
6
speaker (10 cm)
(SP201) (R-CH)
(SP201) (R-CH)
1
six screws
(B2.6)
(B2.6)
1
six screws
(B2.6)
(B2.6)
2
speaker box (L) block
2
speaker box (R) block
3
connector
(CN311)
(CN311)
– Back view –
3-7. MAIN BOARD/CD BLOCK ASSY
1
flexible flat cable (14 core)
(MAIN board: CNP804, CD board: CNP702)
(MAIN board: CNP804, CD board: CNP702)
3
screw (B2.6)
3
two screws (B2.6)
3
two screws (B2.6)
4
four sheets (1)
7
three screws (B3)
5
MAIN board
6
panel (CD)
8
chassis block
9
CD block assy
2
flexible flat cable (5 core)
(MAIN board: CNP805, MOTOR board: CN001)
(MAIN board: CNP805, MOTOR board: CN001)
ZS-BT1
11
3-10. OPTICAL PICK-UP BLOCK (KSM-213CCP)
3-9. BELT
4
belt
2
claw
2
claw
3
tray (AU)
1
belt
position of belt
1
Remove four solders.
4
flexible flat cable (16 core)
(CN701)
(CN701)
5
CD board
6
optical pick-up block
(KSM-213CCP)
(KSM-213CCP)
2
screw
(BVTT2
(BVTT2
×
6)
3
12
ZS-BT1
SECTION 4
TEST MODE
COLD RESET
Procedure:
1. In the power on status, press three buttons of [ENTER],
x
,
[POWER] simultaneously.
2. The set is reset and display “RESET”, then becomes standby
status.
PANEL TEST MODE
Procedure:
1. In the standby mode or power on status, press three buttons of
[ENTER], [SLEEP], [DISPLAY] simultaneously.
2. When enter this mode, it turns on all segments of the LCD.
3. In this mode, it displays as follows.
3. In this mode, it displays as follows.
[BAND] button
: Date/Version display
[AUDIO IN] button: Destination display
4. To exit from this mode, press three buttons of [ENTER],
[SLEEP], [DISPLAY] simultaneously.
SECTION 5
ELECTRICAL ADJUSTMENTS
CD SECTION
RF SIGNAL CHECK
Procedure:
1. Connect the oscilloscope to TP (RF) and TP (VC) on the CD
board.
2. Insert the disc (PATD-012) (Part No. : 4-225-203-01).
3. Press the [ ] button.
4. Confirm that the oscilloscope waveform is as shown in the
3. Press the [ ] button.
4. Confirm that the oscilloscope waveform is as shown in the
figure below. (eye pattern)
A good eye pattern means that the diamond shape (
◊
) in the
center of the waveform can be clearly distinguished.
•
RF signal reference waveform (eye pattern)
Connecting Location:
u
VOLT/DIV: 0.2 V (with the 10: 1 probe in use.)
TIME/DIV: 200 ns
TIME/DIV: 200 ns
0.9 to 1.7 Vp-p
When observing the eye pattern, set the oscilloscope
for AC range and raise vertical sensitivity.
for AC range and raise vertical sensitivity.
IC701
TP (VC) TP (RF)
– CD Board (Conductor Side) –
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