Toshiba DVR80KF Service Manual

1-13-9
NOTE: BOARD MEANS PRINTED CIRCUIT BOARD.
Power Supply Block Diagram
E9TK5BLP
CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F1001) is blown , check to see that all components in the power supply
circuit are not defective before you connect the AC plug to the AC power supply.
Otherwise it may cause some components in the power supply circuit to fail.
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
CAUTION !
For continued protection against fire hazard,
replace only with the same type fuse.
BOARD
USB
AC1001
F1001
T2.5A H 250V
LINE
FILTER
L1003
D1001 - D1004
BRIDGE
RECTIFIER
3
5
Q1001
Q1003
Q1107
Q1109
Q1114
TO SUB
POWER SUPPLY
BLOCK DIAGRAM
(CN1503)
TO DIGITAL SIGNAL
PROCESS BLOCK
DIAGRAM
Q1104
Q1119
7
8
3
4
IC1001
ERROR
VOLTAGE DET
ERROR
VOLTAGE DET
IC1101
T1001
BOARD POWER SUPPLY
HOT CIRCUIT. BE CAREFUL.
18
17
16
15
14
13
12
11
10
CL1001
CN1001
CN1002
Q1100
Q1101
Q1106
SW+5V
HIGH
SIDE
SW
*IC3607
*IC3608
HOT COLD
IC1103
+3.3V REG.
IC1104
FAN
SHUNT
REG.
IC1190
1
2
SW+12V
Q1112
SW+5V
SW+5V
+1.8V REG.
TO
DVD/HDD
MAIN BOARD
(CN101)
USB
JACK
11+5V
CN6005
CN3605
44USB+5V
CN3604
1 USB+5V
CN6002
CN6001
V-B US
BOARD FUNCTION
1 FAN+12V
2 GND
F6001
1A
25-27 P-ON+10.5V
20-22 P-ON+5V
10-12 AL+2.8V
6,7 P-ON+1.8V
15-17 P-ON+3.3V
1 1V2CONT
11 MAIN-ON
32 P-ON+3.3V
30,31 AL+2.8V
27 REG-CONT
29 POW-SW
34 LATCH-UP
10 1V2CONT
23 F2
24 F1
26 SYS+5V
15,16 AL+5V
13,14 DVD-P-ON+5V
12 P-ON+10V
6,7 AL+12V
2,3 AL+16.3V
1 AL+44V
22 AL-30V
IC1051
3
4
IC1052
ERROR
VOLTAGE DET
1
3
5
6
T1051
9
8
D1051-D1054
(SWITCHING)
FB
VDD S S
D
CL
RL1001
RECTIFIER
IC1151
52
4871
Q1051
REG
ERROR
VOLTAGE DET
1
2
REG
NOTE:
Either IC3607 or IC3608 is used for BOARD FUNCTION.

Toshiba DVR80KF Specifications

General

Brand	Toshiba
Model	DVR80KF
Category	DVD Recorder
Language	English