Printed Wiring Board - Motor Board (Us And Canadian Models); Motor Board (Us And Canadian Models); Schematic Diagram Motor Board (Us And Canadian Models) - Sony HCD-EC98P Service Manual

HCD-EC98P
6-19. PRINTED WIRING BOARD - MOTOR Board (US, Canadian models) -
• See page 27 for Circuit Boards Location. •
1 2 3
MOTOR BOARD
A
Q
PANEL BOARD
CN311 M
(Page 36)
M001
(LOADING)
B
6-20. SCHEMATIC DIAGRAM - MOTOR Board (US and Canadian models) -
M001
(LOADING)
S001
CLOSE
CD TRAY
OPEN/CLOSE
OPEN
DETECT
HCD-EC98P
: Uses unleaded solder.
4 5 6
S001
DISC TRAY
OPEN/CLOSE
DETECT
OPEN CLOSE
OPEN
CLOSE
DGND Q
CLOSE SW
OPEN SW PANEL
BOARD
CN001 CN311
5P (Page 37)
• Waveforms
– CD Board –
7
IC101 (RFi)
(CD play mode)
0.5 to 1.3 Vp-p
200 mV/DIV, 500 ns/DIV
IC101 (XO)
(CD play mode)
21
1-866-548- (21)
3.3 Vp-p
59.1 ns
1 V/DIV, 20 ns/DIV
• IC Block Diagrams
– CD Board –
IC201 TK63115SCL-G@GT
VIN 1
THERMAL &
OVER CURRENT
PROTECTION
VOLTAGE
GND 2
REFERENCE
ON/OFF
VCONT 3
CONTROL
40 40
– MAIN Board –
IC801 (XIN)
1 Vp-p
13.3 μs
500 mV/DIV, 5 μs/DIV
IC401 BA5826SFP-E2
VO1(–) 1
D.BUFF
2
VO1(+)
D.BUFF
3
– IN1
+
5 VOUT
4
RESET
4 NC
THERMAL
SHUT-DOWN
REGULATOR
BIAS TRAP
5
REGB
6
REGOUT
MUTE 7 MUTE
GND 8
IN2' 9
IN2 10
D.BUFF
VO2(+) 11
D.BUFF
VO2(–)
12
GND 13
OPOUT 14
– PANEL Board –
IC301 (X1A)
3 Vp-p
30.5 μs
1 V/DIV, 10 μs/DIV
IC301 (X1)
3 Vp-p
166 ns
1 V/DIV, 50 ns/DIV
28 GND
27 VO4(–)
D.BUFF
LEVEL
SHIFT 26 VO4(+)
D.BUFF
LEVEL
SHIFT
25
IN4
24 IN4'
23 BIAS
22 VCC
VCC
21 VCC
VCC
20
IN3'
19 IN3
LEVEL
LEVEL
SHIFT
D.BUFF
SHIFT
VO3(+)
18
D.BUFF
17 VO3(–)
RESETt
16
15 OPIN