4-26
MECHANISM TROUBLESHOOTING GUIDE
No cassette insert is done.
Does the lever assembly
switch operate?
Is the lever assembly switch
spring normal?
Does the CST IN switch
operate normally?
Add or replace the lever
assembly switches spring.
Is the Vcc of the main P.C.B
assembly?
YES
YES
Check the Syscon circuit.
YES
Check the power circuit.
NO
Is voltage between the cassette
switch terminal and the GND on
the main P.C.B assembly?
YES
Is there short between the cassette switch terminal
and the GND on the main P.C.B assembly?
Replace the main P.C.B assem-
bly or remove the short part.
NO
Check the mode switch position
and the Syscon circuit.
Replace the CST IN switch.
YES
NO
YES
NO
NO
Replace the F/L switch.
NO
NO
No cassette eject is done.
Does the L/D motor turn in reverse?
Check the L/D motor and the drive IC.
Replace the lever assembly switch.
Does the lever assembly switch operate?
YES
NO
NO
Does the arm assembly F/G operate?
YES
NO
Does the opener door operate?
YES
Replace the arm assembly F/L
Replace the opener door.
2. Front Loading Mechanism
A.
B.
Summary of Contents for DVDR630VR
Page 9: ......
Page 15: ......
Page 17: ......
Page 35: ......
Page 44: ...3 37 3 38 A B C D E F G H I J K L M N O P Q R S T 2 TUNER CIRCUIT DIAGRAM ...
Page 45: ...3 39 3 40 A B C D E F G H I J K L M N O P Q R S T 3 A V CIRCUIT DIAGRAM ...
Page 46: ...3 41 3 42 A B C D E F G H I J K L M N O P Q R S T 4 Hi Fi CIRCUIT DIAGRAM ...
Page 49: ...7 TIMER CIRCUIT DIAGRAM 3 47 3 48 ...
Page 54: ...3 57 3 58 IC801_TDA9605 IC804_MM1231 IC901_MM1623FXBE IC902_MM1225 IC903_MM1225 ...
Page 55: ...3 59 3 60 PRINTED CIRCUIT DIAGRAMS 1 VCR P C BOARD TOP VIEW ...
Page 56: ...3 61 LOCATION GUIDE ...
Page 57: ...3 62 LOCATION GUIDE ...
Page 58: ...3 63 3 64 2 VCR P C BOARD BOTTOM VIEW ...
Page 60: ...3 67 LOCATION GUIDE ...
Page 61: ...3 68 4 JACK P C BOARD LOCATION GUIDE ...
Page 62: ...3 69 3 70 5 KEY TIMER P C BOARD LOCATION GUIDE ...
Page 63: ......
Page 78: ...3 85 3 86 CIRCUIT DIAGRAMS 1 BGA 308P CIRCUIT DIAGRAM ...
Page 79: ...3 87 3 88 2 DDR B TO B CONNECTOR CIRCUIT DIAGRAM ...
Page 80: ...3 89 3 90 3 POWER FLASH CONNECTOR CIRCUIT DIAGRAM ...
Page 81: ...3 91 3 92 4 RST CONTROL STATUS_REG ATAPI HOST_CPLD LATCH CIRCUIT DIAGRAM ...
Page 82: ...3 93 3 94 5 VIDEO_IN VIDEO_OUT CIRCUIT DIAGRAM ...
Page 83: ...3 95 3 96 6 DV1394 HDMI CIRCUIT DIAGRAM ...
Page 84: ...3 97 3 98 7 AUDIO IN OUT CIRCUIT DIAGRAM ...
Page 89: ...3 107 3 108 PRINTED CIRCUIT DIAGRAMS 1 VDR P C BOARD TOP VIEW ...
Page 90: ...3 109 LOCATION GUIDE ...
Page 91: ...3 110 LOCATION GUIDE ...
Page 92: ...3 111 3 112 2 VDR P C BOARD BOTTOM VIEW ...
Page 93: ......
Page 110: ...3 129 3 Main Clock2 for IC302 20MHz X300 IC301 PIN 13 4 SDRAM Clock ...
Page 128: ...3 147 2 Disc Specification 3 Disc Materials 1 DVD ROM Single Layer Dual Layer ...
Page 145: ...3 164 2 RF Block Diagram ...
Page 146: ...3 165 3 DSP Block Diagram ...
Page 147: ...3 166 4 MICOM Block Diagram ...
Page 148: ...3 167 3 168 CIRCUIT DIAGRAMS 1 RF1 CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Page 149: ...3 169 3 170 2 RF2 CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Page 150: ...3 171 3 172 2 DSP CIRCUIT DIAGRAM ...
Page 151: ...3 173 3 174 3 MICOM CIRCUIT DIAGRAM IC BLOCK DIAGRAMS IC101_FSDL0365RN ...
Page 154: ......
Page 155: ...3 179 3 180 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD ...
Page 156: ...3 181 LOCATION GUIDE ...
Page 157: ...3 182 LOCATION GUIDE ...
Page 158: ...3 183 3 184 2 MAIN P C BOARD ...
Page 159: ......
Page 191: ......