Zenith XBR411 - Section 3 Electrical; Table of Contents

3-13-1
SECTION 3
ELECTRICAL
CONTENTS
OVERALL WIRING DIAGRAM..............................3-2
VCR PART
ELECTRICAL ADJUSTMENT
PROCEDURES
............................................................3-3
VCR ELECTRICAL TROUBLESHOOTING
GUIDE
.............................................................................3-4
1. POWER(SMPS) CIRCUIT .......................................3-4
2. SYSTEM/KEY CIRCUIT ..........................................3-7
3. SERVO CIRCUIT.....................................................3-8
4. OSD CIRCUIT .......................................................3-10
5. Y/C CIRCUIT..........................................................3-11
6. TUNER/IF CIRCUIT...............................................3-15
7. Hi-Fi CIRCUIT........................................................3-17
BLOCK DIAGRAMS................................................3-20
1. POWER(SMPS) BLOCK DIAGRAM......................3-20
2. TUNER/MTZ BLOCK DIAGRAM ...........................3-22
3. Y/C BLOCK DIAGRAM..........................................3-24
4. NORMAL AUDIO BLOCK DIAGRAM ....................3-26
5. JACK BLOCK DIAGRAM ......................................3-28
6. Hi-Fi BLOCK DIAGRAM ........................................3-30
7. SYSTEM BLOCK DIAGRAM .................................3-32
CIRCUIT DIAGRAMS..............................................3-34
1. POWER(SMPS) CIRCUIT DIAGRAM ...................3-34
2. TU/IF CIRCUIT DIAGRAM ....................................3-36
3. A/V CIRCUIT DIAGRAM........................................3-38
4. JACK CIRCUIT DIAGRAM ....................................3-40
5. Hi-Fi CIRCUIT DIAGRAM......................................3-42
6. SYSTEM CIRCUIT DIAGRAM...............................3-44
7. TIMER CIRCUIT DIAGRAM ..................................3-46
8. FRONT A/V, 1394 JACK CIRCUIT DIAGRAM ......3-48
• WAVEFORMS .........................................................3-50
• CIRCUIT VOLTAGE CHART ...................................3-52
PRINTED CIRCUIT DIAGRAMS.........................3-54
1. VCR P.C.BOARD...................................................3-54
2. POWER P.C.BOARD ............................................3-56
3. TIMER P.C.BOARD ..............................................3-56
4. KEY P.C.BOARD ..................................................3-58
5. JACK P.C.BOARD ................................................3-59
VDR PART
ELECTRICAL TROUBLESHOOTING
GUIDE & WAVEFORMS
........................................3-60
1. POWER(SMPS) CIRCUIT .....................................3-60
2. NO COMPONENT VIDEO SIGNAL WHEN
PLAYING DISC ......................................................3-62
3. NO COMPOSIT / S-VIDEO SIGNAL WHEN
PLAYING DISC ......................................................3-63
4. NO TV, EXTERNAL INPUT VIDEO SIGNAL.........3-64
5. WHEN PLAYING DISC, NO AUDIO OUTPUT ......3-65
6. NO TUNER AUDIO OUTPUT................................3-65
7. NO OPTICAL / DIGITAL OUTPUT ........................3-65
8. NO EXTERNAL INPUT 1 AUDIO ..........................3-66
9. NO EXTERNAL INPUT 2 AUDIO ..........................3-66
BLOCK DIAGRAMS................................................3-67
1. VDR MAIN H/ W BLOCK DIAGRAM.....................3-67
2. POWER BLOCK DIAGRAM ..................................3-68
3. AUDIO IN/ OUT BLOCK DIAGRAM ......................3-69
4.
CPU & CONTROL REGISTER BLOCK DIAGRAM ...3-70
5. VIDEO IN/ OUT BLOCK DIAGRAM ......................3-71
6. DV 1394 IN/OUT BLOCK DIAGRAM ....................3-72
7. MEMORY CARD IN/ OUT BLOCK DIAGRAM ......3-73
CIRCUIT DIAGRAMS..............................................3-74
1. BGA 308P CIRCUIT DIAGRAM.............................3-74
2. DDR & B TO B CONNECTOR CIRCUIT
DIAGRAM ..............................................................3-76
3. POWER, FLASH, CONNECTOR CIRCUIT
DIAGRAM ..............................................................3-78
4. RST, CONTROL/STATUS_REG., ATAPI,
HOST_CPLD, LATCH CIRCUIT DIAGRAM ..........3-80
5. VIDEO_IN, VIDEO_OUT CIRCUIT DIAGRAM......3-82
6. DV1394, HDMI CIRCUIT DIAGRAM .....................3-84
7. AUDIO IN/OUT CIRCUIT DIAGRAM .....................3-86
• WAVEFORMS .........................................................3-88
• CIRCUIT VOLTAGE CHART ...................................3-90
PRINTED CIRCUIT DIAGRAMS.........................3-92
1. VCR P.C.BOARD(TOP VIEW)...............................3-92
2. POWER P.C.BOARD (BOTTOM VIEW)................3-94
RL-02A LOADER PART ................................3-98~160