Ic Pin Function Description - Sony D-E888 Service Manual

D-E888/E999/EJ825/EJ925
• Waveforms
1 IC402 9 CLK 6 IC601 e; R4M
1 V/DIV, 1 µs/DIV 1 V/DIV, 20 ns/DIV
2.0 Vp-p 2.0 Vp-p
1.9 µs
236 ns
2 IC401 9 CLOCK 7 IC601 rd MDP (CD PLAY)
1 V/DIV, 20 µs/DIV 1 V/DIV, 2 µs/DIV
2.0 Vp-p
2.0 Vp-p
1.9 µs 3.8 µs
3 IC801 q; MSCK 8 IC601 tk RFDC
1 V/DIV, 20 µs/DIV 100 mV/DIV, 500 ns/DIV
400
2.0 Vp-p
600 mVp-p
1.9 µs
4 IC801 ul XIN 9 IC601 ua RFAC
1 V/DIV, 20 ns/DIV 100 mV/DIV, 500 ns/DIV
400
2.0 Vp-p
600 mVp-p
236 ns
5 IC601 wg CLOK q; IC601 od XTAI
1 V/DIV, 20 ns/DIV 1 V/DIV, 20 ns/DIV
2.0 Vp-p 2.1 Vp-p
1.9 µs
59.0 ns
– 29 –

5-7. IC PIN FUNCTION DESCRIPTION

• IC801 T5U87-1B68 (SYSTEM CONTROLLER)
Pin No. Pin Name I/O Description
1 VSS — Ground terminal
2 NC I Not used (open)
3 FOK I Focus OK signal input from the CXD3028R (IC601) "L": NG, "H": OK
4 AGCPWM O AGC control pulse signal output to the power control (IC401)
5 LEDDISP O CHG/HOLD LED (D408) ON/OFF control signal output "L": lit on
6
NC O Not used (open)
7 AMUTE O Analog audio muting ON/OFF control signal output terminal "H": muting ON
8 VCC2 ON
O VCC2 voltage control signal output terminal "H": ON
9 XRST O Reset signal output to the headphone amp (IC351) and CXD3028R (IC601) "L": reset
Serial data transfer clock signal output to the power control (IC401), spindle motor driver
10 MSCK O
(IC402), and CXD3028R (IC601)
11 MSDTI
I Serial data input from the CXD3028R (IC601)
Serial data output to the power control (IC401), spindle motor driver (IC402), and CXD3028R
12 MSDTO O
(IC601)
13 XWAKEUP O Wake-up control signal output (for system standby reset) "L": Wake
14 AD SEL I Plug-in detection signal input terminal of LINE OUT/OPTICAL OUT (A/D input)
15 AD CHGMNT I Battery charge voltage detection input from the power control (IC401) (A/D input)
16 AD VCDKEY2 I Key input terminal Not used (Fixed at "H")
17 AD BATMNT I Battery voltage detection signal input terminal
18 AD KEY I Key input from the S811 to S816 (u, ., >, x/CHG, VOLUME +/–) (A/D input)
19 RMKEY I Key input from the headphone with remote commander (A/D input)
DC input voltage detection input terminal (A/D input) and DC input jack use/no use detection
20
DCINMNT I
input terminal (A/D input)
CD door open/close detection switch (S801) input
21 WP OPEN I
The stop status is reset with the falling edge of input signal
22 VREFL I Reference voltage input terminal (0V) for A/D converter
23
VREFH I Reference voltage input terminal (+2V) for A/D converter
24 VDD — Power supply terminal (+2V)
25
SCOR I Sub-code sync (S0+S1) detection signal input from the CXD3028R (IC601)
26 GRSCOR I Communication clock signal input from the CXD3028R (IC601)
27 SPDL MIR/FG I FG pulse signal input from the spindle motor driver (IC402)
28 BEEP O Beep sound signal output to the headphone amplifier (IC351)
29 to 31 NC — Not used (open)
32 TSB O Communication data bus output of headphone with remote commander
33 TEXTSKIP I Not used (open)
34 AVOL XAVLS I Not used (open)
35 CD RW SEL I Not used (open)
36 COMPON I G-PRO switch (S805) input "H": G-PRO 2
37 DJG TU I Not used (open)
AVLS (Automatic Volume Limiter System) switch (S803) input terminal
38 AVLS I
"L": normal mode, "H": limit mode
39 HOLD I HOLD switch (S804) input terminal "L": hold ON, "H": hold OFF
40 EX BATT I External battery detection signal input terminal
41 DRVRST O Reset signal output to the spindle motor driver (IC402)
42 XHGON O Optical pick-up power ON/OFF control signal output terminal "L": ON
43 XLAT O Serial data latch pulse signal output to the CXD3028R (IC601)
44 XSOE O Serial data output enable signal output
– 30 –
Pin No. Pin Name I/O Description
45 DRVLT O Latch signal output to the spindle motor driver (IC402)
46 XPOWLT O Latch signal output to the power control (IC401)
47 XDOUTON O Digital output LED control signal output terminal "L": ON
48 XAPC OFF O APC muting signal output to the power control (IC401) "L": muting
49 NC — Not used (open)
50 to 64 SEG14 to SEG0 O Segment drive signal output terminal for the display Not used (open)
65 to 68 COM3 to COM0 O Common drive signal output terminal for the display Not used (open)
69 to 71 V3 to V1 O Bias signal output terminal for the display driver Not used
72, 73 C1, C0 O Capacitor connected terminal for the display driver voltage-up (for bias)
74 NC — Not used (fixed at "L")
75 TEST I Test terminal for internal connection (open in this set)
76 XHPSW O ON/OFF control signal output to the headphone amp "L": ON Not used (open)
77 XLIGHT O Back light control signal output terminal for the display Not used (open)
System reset signal input from the power control (IC401) "L": reset
78 RESET I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
79 XIN I System clock input from the CXD3028R (IC601)
80 XOUT O System clock output terminal Not used (open)
– 31 –
SECTION 6
EXPLODED VIEWS
NOTE:
• -XX and -X mean standardized parts, so they • Items marked "*" are not stocked since they The components identified by
mark 0 or dotted line with mark
may have some difference from the original are seldom required for routine service. Some
0 are critical for safety.
one. delay should be anticipated when ordering
Replace only with part number
• Color Indication of Appearance Parts these items.
specified.
Example: • The mechanical parts with no reference num-
Les composants identifiés par une
KNOB, BALANCE (WHITE) . . . (RED) ber in the exploded views are not supplied.
marque 0 sont critiquens pour la
↑ ↑
• Accessories and packing materials are given
sécurité.
Parts Color Cabinet's Color in the last of the electrical parts list. Ne les remplacer que par une pièce
• Abbreviation
portant le numéro spécifié.
CH : Chinese model
E13 : 220 – 230 V AC area FR : French model
CND : Canadian model in E model G : German model
EE : East European model HK : Hong Kong model
KR : Korean model
(1) CABINET (UPPER) SECTION
E888/EJ825 E999/EJ925
15
17
14
12
11 13
17
A
B
B
C
10
B
16
C
13
8
C
9
7
6
A
5
4
3 7
2 1
Ref. No. Part No. Description Remark Ref. No. Part No. Description
1 X-3380-297-1 CABINET (UPPER) SUB ASSY (E999/EJ925) 12 3-221-810-01 HINGE, BATTERY CASE LID (E999/EJ925)
1 X-3380-248-1 CABINET (UPPER) SUB ASSY (L) (BLUE) 12 3-221-810-11 HINGE, BATTERY CASE LID (E888/EJ825)
(E888/EJ825) 13 3-318-382-91 SCREW (1.7X2.5), TAPPING
1 X-3380-249-1 CABINET (UPPER) SUB ASSY (W) (WHITE) 14 3-221-869-01 PLATE, FULCRUM (E888/EJ825)
(E888/EJ825) 15 X-3380-251-1 LID SUB ASSY, UPPER (E999)
1 X-3380-250-1 CABINET (UPPER) SUB ASSY (P) (PINK)
(E888/EJ825) 15 X-3380-252-1 LID SUB ASSY, UPPER (L) (BLUE) (E888)
2 3-221-812-01 LEVER, DETECTION 15 X-3380-253-1 LID SUB ASSY, UPPER (W) (WHITE) (E888)
15 X-3380-254-1 LID SUB ASSY, UPPER (P) (PINK) (E888)
3 4-224-035-01 SPRING (OPEN) 15 X-3380-255-1 LID SUB ASSY, UPPER (EJ925)
4 4-224-031-01 KNOB (OPEN) (US, CND, E13, HK, KR, CH)
5 4-908-792-01 SCREW (B2) (SILVER) (E999/EJ925) 15 X-3380-256-1 LID SUB ASSY, UPPER (EJ925)
* 5 4-908-792-11 SCREW (B2) (BLACK) (E888/EJ825)
6 3-223-889-01 KNOB (AVLS) (E999/EJ925)
15 X-3380-257-1 LID SUB ASSY, UPPER (L) (BLUE) (EJ825)
6 3-223-889-11 KNOB (AVLS) (DARK BLUE)... (BLUE) (US, CND, E13, HK, KR, CH)
(E888/EJ825) 15 X-3380-258-1 LID SUB ASSY, UPPER (W) (WHITE) (EJ825)
6 3-223-889-21 KNOB (AVLS) (LIGHT PURPLE)... (WHITE) (US, CND, E13, HK, KR, CH)
(E888/EJ825) 15 X-3380-259-1 LID SUB ASSY, UPPER (P) (PINK) (EJ825)
6 3-223-889-31 KNOB (AVLS) (PINK)... (PINK) (E888/EJ825) (US, CND, E13, HK, KR, CH)
7 3-223-826-01 SCREW (B2) (SILVER) (E999/EJ925) 15 X-3380-260-1 LID SUB ASSY, UPPER (L) (BLUE) (EJ825)
7 4-908-792-91 SCREW (B2) (BLACK) (E888/EJ825)
15 X-3380-261-1 LID SUB ASSY, UPPER (W) (WHITE) (EJ825)
8 3-221-806-01 SCREW, STEP
9 3-221-811-01 CLAW, LOCK (E999/EJ925)
9 3-221-811-11 CLAW, LOCK (E888/EJ825) 15 X-3380-262-1 LID SUB ASSY, UPPER (P) (PINK) (EJ825)
10 3-221-814-01 LID, BATTERY CASE (E999/EJ925)
10 3-221-814-11 LID, BATTERY CASE (E888/EJ825) 16 3-226-920-01 SPRING (FULL OPEN 9) (E999/EJ925)
16 3-226-921-01 SPRING (FULL OPEN 8) (E888/EJ825)
11 3-221-815-01 SHAFT (BATTERY CASE LID) 17 3-223-073-01 SPACER (A)
– 32 –
15
Remark
(AEP, UK, FR, G, EE)
(AEP, UK, FR, G)
(AEP, UK, FR, G)
(AEP, UK, FR, G)