Emerson EWC1902 Service Manual Page 52
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1-13-1 Z11PIN
IC PIN FUNCTION DESCRIPTIONS
IC 201 (TV/VCR Micro Computer)
“H” ≥ 4.5V, “L” ≤ 1.0V
Pin
No.
IN/
OUT
Signal
Name
Function
1 IN LD-SW Loading Switch Input
2 IN P-SAFETY 1
Power Supply Failure
Detection 1
3 IN P-SAFETY 2
Power Supply Failure
Detection 2
4 IN P-SAFETY 3
Power Supply Failure
Detection 3
5 IN KEY0 Key 0 Input
6 IN KEY1 Key 1 Input
7 IN END-SENS End-Sensor
8 - NU Not Used
9 IN ST-SENS Start-Sensor
10 IN V-ENV Video Envelope Input
11 - NU Not Used
12 OUT SP-MUTE Speaker Mute Output
13
IN/
OUT
D-V SYNC Artificial V-Sync Output
14 IN REMOTE Remote Signal Input
15 OUT ROTA
Color Phase Rotary
Changeover SIgnal
16 - NU Not Used
17 - NU Not Used
18 OUT RF-SW
Video Head Switching
Pulse
19 - NU Not Used
20 OUT EXT-L
External Input or
Playback = Output
21 OUT D-PB-H Playback Output
22 OUT REC-LED
Recording LED Control
Signal
23 OUT REC-LED
Recording LED Control
Signal
24 - NU Not Used
25 - NU Not Used
26 - NU Not Used
27
IN/
OUT
REC/EE/PB YCA IC Mode Output
28
IN/
OUT
TAPE-
SPEED
Tape Speed Control Output
29 OUT
EXT-H/
INSEL
External Input or Playback
SIgnal Output/Input
Selector Control Signal
30
IN/
OUT
RENTAL
Rental Position Control
Signal
31 OUT P-ON-H Power On Signal at High
32 OUT SPL-PLAY
Special Playback Control
Signal
33 IN
REC-
SAFETY
Record Protection Tab
Detection
34 IN RESET
System Reset Signal
(Reset=”L”)
35 IN XC-IN Sub Clock 32 kHz
36 OUT XC-OUT Sub Clock 32 kHz
37 - TIMER+5V Vcc
38 IN X-IN Main Clock Input
39 OUT X-OUT Main Clock Output
40 - GND GND
41 OUT SPOT-KILL Counter-measure for Spot
42 - NU Not Used
43 IN CLKSEL Clock Select (GND)
44 OUT D-REC-H Delayed Record Signal
45 IN I2C-OPEN
White Balance Adjust
Mode Judgment
46 - GND GND
47 - NU Not Used
48 - NU Not Used
49 - GND OSD GND
50 - NU Not Used
51 - NU Not Used
52 - NU Not Used
53 - P-ON+5V OSD Vcc
54 - HLF HLF
55 IN V-HOLD VHOLD
56 IN CV-IN Video Signal Input
57 - GND GND
58 IN H-SYNC H-SYNC Input
59 IN V-SYNC V-SYNC Input
60 OUT OSD-BLK Output for Picture Cut off
61 - NU Not Used
Pin
No.
IN/
OUT
Signal
Name
Function
- SERVICE MANUAL 1
- IMPORTANT SAFETY NOTICE 2
- MAIN SECTION 3
- SPECIFICATIONS 4
- <AUDIO> 5
- IMPORTANT SAFETY PRECAUTIONS 6
- Precautions during Servicing 8
- Safety Check after Servicing 9
- STANDARD NOTES FOR SERVICING 10
- Tweezers 11
- Soldering Iron 11
- Presolder 12
- Flat Pack-IC 12
- Instructions for Handling 13
- Semiconductors 13
- PREPARATION FOR SERVICING 14
- 1 92 3 4 5 6 7 8 15
- 1011 1412 15
- [1] Rear Cabinet 17
- [2] Tray Chassis 17
- [4] Main CBA 17
- [3] Deck Unit 17
- 1-6-2 T7300DC 18
- 1-6-3 T7300DC 19
- 1-6-4 T7300DC 20
- 1-6-5 T7300DC 21
- Fig. 1-1 22
- Remote control unit (Bottom) 22
- 3. TV AGC Adjustment 23
- 4-1. H Adjustment 23
- 4-2. C-Trap Adjustment 23
- 4-3. Y DL Time Adjustment 24
- 5. V. Size Adjustment 24
- 6. V. Shift Adjustment 24
- PATTERN GENERATOR 25
- RF INPUT 25
- 9. Sub-Brightness Adjustment 26
- 10. Focus Adjustment 26
- 12. CCS Text Box Location 26
- 13.Purity Adjustment 27
- 14. Convergence Adjustment 27
- BLOCK DIAGRAMS 29
- Video Block Diagram 30
- Audio Block Diagram 31
- Chroma/Tuner Block Diagram 32
- CRT/H.V. Block Diagram 33
- HOT COLD 34
- MECHANICAL TROUBLE INDICATOR 35
- Countermeasure for Mechanical 36
- Malfunction 36
- Repair method #1 37
- Repair method #2 38
- Repair method #3 38
- Repair method #4 38
- Standard Notes 39
- T7300SCM1 41
- 1-9-6 1-9-7 1-9-8 T7300SCM2 42
- T7300SCM3 43
- Main 4/4 Schematic Diagram 44
- Main CBA Top View 45
- Sensor CBA 45
- Top View 45
- (START-SENSOR) 45
- Main CBA Bottom View 46
- CRT CBA Top View 47
- CRT CBA Bottom View 47
- Z11WF1-10-1 1-10-2 48
- WIRING DIAGRAM 49
- SYSTEM CONTROL TIMING CHARTS 50
- IC PIN FUNCTION DESCRIPTIONS 52
- LEAD IDENTIFICATIONS 54
- DECK MECHANISM 55
- STANDARD MAINTENANCE 56
- A/C Head 57
- J-1-1, J-1-2 58
- Cam Gear 59
- LDG Belt (B) 59
- Incorrect 61
- Waveform 62
- Erase Head 62
- OF DECK MECHANISM 63
- [20],[23] 63
- Lead with 66
- Blue Stripe 66
- Lead with White Stripe 67
- Fig. DM11 68
- Fig. DM12 68
- Fig. DM14 69
- Fig. DM13 69
- Fig. DM15 70
- Fig. DM16 70
- Fig. DM17 70
- Fig. DM18 70
- Alignment 3 72
- Cam Gear (A), Rack Assembly 72
- EXPLODED VIEWS AND 73
- PARTS LIST SECTION 73
- EXPLODED VIEWS 74
- 3-1-3 T7300PEX 75
- DECK EXPLODED VIEWS 76
- Deck Mechanism View 2 77
- Deck Mechanism View 3 78
- MECHANICAL PARTS LIST 79
- CRT Warning Label 80
- CRT Type No 80
- ELECTRICAL PARTS LIST 81
- 20020205 3-3-2 T7300EL 82
- 20020205 3-3-3 T7300EL 83
- 20020205 3-3-4 T7300EL 84
- 20020205 3-3-5 T7300EL 85
- 20020205 3-3-6 T7300EL 86
- 20020205 3-3-7 T7300EL 87
- 20020205 3-3-8 T7300EL 88
- 20020205 3-3-9 T7300EL 89
- SENSOR CBA 90
- DECK PARTS LIST 91
- B359 CLEANER LEVER B361 91
- Type ID No. ID No 91
- A 0VM304413 0VM411114 91
- B 0VM305090 Not used 91
- Printed in Japan 92
- 2002-02-20 HO 92
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