
DCR-TRV820/TRV820E/TRV820P
1.2
1.5
1.7
0
2
0.2
8
8.2
8.3
4
1
1.5
1.5
1.1
1.5
8.2
8
4.9
3.2
0
2.4
0
0
0
2.4
1.8
0
2.5
2.5
2.5
2.8
0
8.2
8.2
0.5
1.5
2.5
1.3
2.5
0.9
2.5
0
2.8
0
2.5
0
1.8
1.8
0
1.8
0
0.5
8.2
0.6
0
3.2
0
0
1.5
0
1.8
0
1.8
8.2
8.2
0.8
8.2
8.2
0.8
0.5
8.2
0.5
8.2
1.3
3.2
2.5
1.5
1.5
1.3
8.2
1.5
2.5
1
0.9
0.6
0
2.6
0
NO MARK:PRINTER TEST MODE
0.47u
B
C601
0.47u
B
C602
470k
R602
470k
R603
L601
4.7uH
4.7u
C605
B
1
R608
1
R612
1
R609
1
R613
1
R610
1
R614
1
R611
4.7u
C610
B
16V
100u
C611
aluminium
22uH
L603
EC21QS03L-TE12L
D602
20V
47u
C625
TA
1u
C626
B
4.7uH
L606
IC601
HA16120FP-EL
1
GND
2
SYNC
3
Rt
4
Ct
5
IN(-)
6
E/O
7
IN(+)
8
P_GND
9
OUT
10
Vin
11
CL(-)
12
TM
13
ON/OFF
14
DB
15
ADJ
16
Vr
e
f
PR_HEAD12V
22k
R604
UN9213J-(K8).SO
Q601
POWERON
XX
R601
UN9213J-(K8).SO
Q602
10
R606
0.022u
B
C604
0.022u
B
C607
47k
R607
47k
R615
56k
R616
100k
R617
2SC4116YG-TE85L
Q604
6800
R621
220k
R605
0.1u
B
C603
PRINT_HEAD_DDCONT
100k
R619
150k
R618
2.2u
C608
270p
CH
C617
0.1u
C620
27k
R627
8200
R633
560
R634
68k
R632
10
R622
0.1u
C624
3300p
C619
100
R626
47k
R624
1u
C615
PR_MT12V
2200p
C631
5VON
0.001u
C632
MB3817PFV
-G-BND
IC603
1
CT
2
RT
3
+IN
4
-IN
5
FB
6
DTC
7
CB1
8
CB2
9
Vcc
10
OUT
11
VE
12
GND
13
CS
14
CSCP
15
CTL
16
VREF
470p
CH
C630
4.7u
B
C636
4.7u
C637
0.1u
C634
10k
R638
XX
C638
100k
R642
0.047u
C633
150p
CH
C635
150
R637
CPH6702-TL
Q609
1
2
3
4
5
6
47k
R640
15k
R639
8200
R643
4.7uH
L604
22uH
L605
4.7uH
L608
10V
10u
C639
PR_4.9V
390k
R635
100k
R636
470p
CH
C629
TPC8305(TE12L)
Q603
8
7
1
2
5
6
4
3
TPC8004(TE12L)
Q607
1
2
3
4
8
7
6
5
20V
47u
C640
TA
0.1u
C641
100k
R644
XX
R645
220k
R646
0
R647
0.22u
C642
2SC4116YG
-TE85L
Q610
UN9213J-
(K8).SO
Q611
0.1u
C645
0.1u
C646
Q613
UN9213J-(K8).SO
0
R650
0
R652
0
R653
0
R654
B
16V
TA
10u
C647
4.7u
C609
0.22u
C654
22uH
L609
56k
R669
2SC4116YG
-TE85L
Q614
0.1u
C618
4.7u
C613
1
R630
4.7u
C614
0.022u
C606
10
R665
6800
R664
UN9213J-(K8).SO
Q606
100k
R676
470p
CH
C655
1
R656
16V
100u
C616
aluminium
HA16120FP-EL
IC602
1
GND
2
SYNC
3
Rt
4
Ct
5
IN(-)
6
E/O
7
IN(+)
8
P_GND
9
OUT
10
Vin
11
CL(-)
12
TM
13
ON/OFF
14
DB
15
ADJ
16
Vr
e
f
2SC4116YG-TE85L
Q617
0.022u
C612
XX
C622
0.1u
C648
100k
R672
1
R631
22uH
L607
220k
R677
UN9213J-(K8).SO
Q618
47k
R629
0.1u
C627
XX
R674
3300p
C623
390k
R675
1
R657
EC21QS03L-TE12L
D601
0
R679
XX
R623
XX
R659
22k
R668
150
R667
TPC8004(TE12L)
Q615
1
2
3
4
8
7
6
5
1
R651
25V
47u
C649
aluminium
UN9213J
-(K8).SO
Q608
56k
R660
12k
R670
100k
R663
82k
R666
25V
47u
C653
aluminium
1
R658
4.7uH
L602
4.7u
B
C650
1k
R628
0
R671
150k
R662
XX
C621
1u
C644
0
R655
0
R625
12V/5
XX
IC604
1
COMMON
2
INH
3
VEE
4
GND
5 A
6 CH1
7 CH0
8 VCC
0
R681
XX
R682
XX
R683
UN9213J-(K8).SO
Q620
UN9213J-(K8).SO
Q621
27k
R684
47k
R685
MT_VOLTAGE1
0
R686
XX
R687
XX
R688
47k
R689
47k
R690
68k
R691
68k
R692
UN9213J-(K8).SO
Q622
UN9213J-(K8).SO
Q623
47k
R693
XX
B
C664
XX
B
C665
20V
47u
C666
TA
UN9213J-(K8).SO
Q624
1
R695
470k
R696
UN9213J
-(K8).SO
Q625
1
R698
0
R699
20V
TA
47u
C667
20V
TA
47u
C668
25V
47u
C669
aluminium
0
R620
XX
R641
0
R700
22k
R648
22k
R649
7P
CN707
1
2
3
4
5
6
7
MA728-(K8).S0
D702
XX
LF701
MA8082-(K8).S0
D701
1k
R704
0.1u
B
C703
0.1u
B
C702
12P
CN705
1
2
3
4
5
6
7
8
9
10
11
12
0
R703
0
R702
XX
D703
LND703
CHASSIS_GND
XX
R710
XX
D705
MT_VOLTAGE2
PC_D3.1V
REG_GND
1
A
(BATT)
DCP
ACK_SW
BA
TT_GND
BA
TT_SIG
BA
TT/XEXT
BT901
ACV_GND
S
ACV_UNREG
(DC IN)
BA
TT_UNREG
BATT/XEXT
DCPACK_SW
BATT_UNREG
ACV_GND
BATT_SIG
BATT_GND
ACV_UNREG
REG_GND
REG_GND
PRINTER_UNREG1
PRINTER_UNREG2
PRINTER_UNREG3
IC601
DC/DC CONTROL
IC602
DC/DC CONTROL
B
M
D
9
G
8
PR-33 BOARD (2/2)
H
18
17
16
15
7
14
F
6
E
13
5
4
3
2
N
C
10
L
I
K
12
J
11
IC603
DC/DC CONTROL
05
2
PR-33 BOARD (1/2)
3
PR-33 BOARD (1/2)
1
PR-33 BOARD (1/2)
XX MARK:NO MOUNT
DC/DC CONVERTER (DD BLOCK)
-REF.NO.:30,000 SERIES-
FU-141 BOARD
CN255
(THROUGH THE
DP-81 HARNESS)
(SEE PAGE 4-101)
+B SWITCH
+B SWITCH
ON/OFF SWITCH
ON/OFF SWITCH
ON/OFF SWITCH
Rt SWITCH
SWITCHING
Q610,611
VOLTAGE
DETECT SWITCH
DETECT SW
Q617,618
VOLTAGE
Q620-623
SELECT SW
VOLTAGE
ON/OFF SWITCH
SWITCHING
Rt SWITCH
ON/OFF
SWITCH
Q625
SWITCH
ON/OFF
SWITCHING
BATTERY
TERMINAL
MEASURING CONDITIONS
1) Connect the adjustment remote commander to the LANC jack,
and set to HOLD switch to the "ADJ" side.
2) Select page: 0, address: 01, and set data: 01.
3) Select page: 5, address: 01, set data: 5A, and press the PAUSE button
of the adjusting remote commander.
4) Select page: 5, address: 00, set data: 01, and press the PAUSE button.
PROCESSING AFTER COMPLETING MEASUREMENT
1) Select page:0, address:01, and set data:00.
2) Turn OFF the main power supply (8.4V).
4-61
4-62
DC/DC CONVERTER
PR-33 (2/2)
PR-33 (DC/DC CONVERTER) SCHEMATIC DIAGRAM
• See page 4-57 for PR-33 printed wiring board.