Samsung SCH-1900 Specifications Page 64
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
- S E RVICE 1
- GH68-60620A 2
- Printed in Korea 2
- 1. Specification 3
- 1-3 Receiver 4
- 1-2 Transmitter 4
- 2. Installation 5
- 2-3 For Mobile Mount 6
- 2-3-3 Hands-Free Box 7
- 2-3-4 Hands-Free Microphone 7
- 2-3-5 Cables 8
- 3. NAM Programming 9
- 3-2 Setting Up NAM 10
- 4. Circuit Description 11
- 4-1-3 Base Band 12
- 4-1-4 Audio Section 13
- 4-1-6 Key Tone Generator 13
- 4-2 Receiver Section 14
- 4-3 Transmitter Section 15
- 4-4 Hands-Free Kit 16
- 4-5 Desk-Top Rapid Charger 17
- 4-6-2 Schematic Description 20
- 4-7 Travel Charger 21
- Circuit Description 22
- OUT-A OUT-B Q21 Q20 22
- U24 L H OFF OFF 22
- 5. Test Procedure 23
- 5-3 Test Procedure 24
- 5-4 Test Command Table 25
- Samsung Electronics 26
- OP: Operation Command Number 26
- RB: Return Byte Number 26
- 6. Troubleshooting 27
- 6-2 Samsung Electronics 28
- (Normal +3.3V voltage source) 28
- Samsung Electronics 6-3 29
- 6-4 Samsung Electronics 30
- 6-1-5 Abnormal Keytone 31
- 6-1-6 Abnormal Alert Tone 32
- 6-2 Transmitter Section 33
- 6-8 Samsung Electronics 34
- 6-3 Receiver Section 35
- 6-10 Samsung Electronics 36
- Samsung Electronics 6-11 37
- 6-4 Hands-Free Car Kit 38
- 6-13Samsung Electronics 39
- 6-4-3 Hands-Free RX Path 40
- 6-4-4 Hands-Free TX Path 41
- 6-5 Desk-Top Rapid Charger 42
- 6-6-1 Power Fault 43
- 6-6-2 LED-On Fault 44
- 6-6-3 Charge Fault 45
- 6-7 Travel Charger 46
- Samsung Electronics 7-1 47
- 7-1 Main Set Exploded View 48
- 7-2 Main Set Parts List 49
- 7-4 Samsung Electronics 50
- 7-6 Samsung Electronics 52
- 7-8 Samsung Electronics 54
- 7-10 Samsung Electronics 56
- GH44-40012A 56
- 7-10 Travel Charger 57
- 7-12 Samsung Electronics 58
- 7-14 Samsung Electronics 60
- 7-16 Samsung Electronics 62
- 9. Electrical Parts List 69
- Electrical Parts List 70
- 9-2 Hands-free Car Kit 80
- 9-2-2 SCH-1900 Cradle 85
- 9-3 Desk-Top Rapid Charger 86
- 9-5 Travel Charger 94
- Samsung Electronics 9-27 95
- NO DESCRIPTION SEC. CODE 95
- - Diodes 95
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