Hitachi dp 6x schematic
August 2006 (ver b)
HITACHI
PROJECTION
TELEVISION
2005 MODEL RELEASE
DIGITAL HD READY PTV
Model Chassis Remote P/N
51F59
57F59
65F59
51F59A/J
57F59A/j
65F59A/j
DP-65
DP-65
DP-65
DP-65G
DP-65G
DP-65G
CLU-4361S
HL02291
Service Web Site
http://www.hitachiserviceusa.com
CONTENTS... 2006 DP-6X Chassis Projection Television Information
Materials Prepared by… Alvie Rodgers C.E.T. (Chamblee, GA.)
THIS PAGE INTENTIONALLY LEFT BLANK
August 2006 (ver b)
TOPICS PAGE
SECTION (1) PRODUCT INFORMATION SECTION:
DP-6X TABLE OF CONTENTS
• 51F59 Product Specifications ------------------------------------------------------------------------ 01-01
• 51F59 Product Dimensions -------------------------------------------------------------------------- 01-02
• 57F59 Product Specifications ------------------------------------------------------------------------ 01-03
• 57F59 Product Dimensions -------------------------------------------------------------------------- 01-04
• 65F59 Product Specifications ------------------------------------------------------------------------ 01-05
• 65F59 Product Dimensions -------------------------------------------------------------------------- 01-06
SECTION (2) POWER SUPPLY DIAGRAMS:
• Stand By +5V Regulation Circuits Diagram -------------------------------------------------------- 02-01
• Deflection +115V Regulation Circuits Diagram --------------------------------------------------- 02-02
• Protect_O VP Shut down Block Diagram ----------------------------------------------------------- 02-03
• Protect_OVP (A) -5V Loss Detection Circuit Diagram ------------------------------------------ 02-04
• Protect_OVP (B) Deflection Side Shutdown Circuit Diagram --------------------------------- 02-05
• Protect_OVP (B to C) 115+ Too High or Over Current Circuit Diagram ------------------- 02-06
• Protect_OVP (C) Shutdown Circuit Diagram ----------------------------------------------------- 02-07
• LEDs Used for Troubleshooting Circuit Diagram -------------------------------------------------- 02-08
• Power On/Off Used for Troubleshooting Circuit Diagram --------------------------------------- 02-09
SECTION (3) VIDEO CIRCUIT INFORMATION:
Materials prepared by
Alvie Rodgers C.E.T.
• Video Signal Selection Circuit Diagram ----------------------------------- ----------- ----------- --- 03-01
• ABL Circuit Diagram ----------------------------------------------------------------------------------- 03-05
SECTION (4) AUDIO CIRCUIT INFORMATION:
• Audio Signal Selection Circuit Diagram ----------------------------------- ------------------------- 04-01
SECTION (5) DEFLECTION CIRCUIT:
• Sweep Loss Detection Circuit Diagram -------------------------------------------------------------- 05-01
SECTION (6) MUTE CIRCUIT INFORMATION:
• Video Mute Circuit Diagram -------------------------------------------------------------------------- 06-01
• High Voltage Circuit Diagram ------------------------------------------------------------------------ 06-02
• Audio Output Mute Circuit Diagram ---------------------- ----------- --------- ------------ --------- 06-03
• Rainforest IC Mute Circuit Diagram ---------------------------------------------------------------- 06-04
• Monitor Out Mute for Circuit Diagram ------------------------ --------------- ------------------ --- 06-05
Continued on Next Page
Table of Contents Page 1 of 2
August 2006 (ver b)
TOPICS PAGE
SECTION (7) DIGITAL CONVERGENCE CIRCUIT INFORMATION:
DP-6X TABLE OF CONTENTS
• Digital Convergence Interconnect Circuit Diagram ----------------------------------------------- 07-01
• CLU-4361S Remote Control ------------------------------- -- --------------------------- -------------- 07-02
SECTION (8) CHASSIS PICTURES:
• Signal PWB Picture ------------------------------------------------------------------------------------ 08-01
• Deflection PWB Picture ------------------------------------------------------------------------------- 08-02
• Digital PWB Picture ----------------------------------- --------------------------------------------- --- 08-03
• DCU PWB Picture ---------------------------------------- -------------------- ---------------------- --- 08-03
• Control PWB Pictures -------------------------------------------------------------------------------- 08-03
• CRT PWB Pictures ------------------------------------------- ------------------------- ---------------- 08-04
Materials prepared by
Alvie Rodgers C.E.T.
SECTION (9) KEY PARTS
• Key Component Parts List ------------------------------------------- -------------------------------- 09-01
SECTION (10) THINGS YOU SHOULD KNOW:
This section changes often;
• See the index for this section after the Section 10 Divider. ------------- ------- ------- ---- ----- 10-00
Table of Contents Page 2 of 2
PRODUCT
INFORMATION
DP-6X CHASSIS
TRAINING PACKAGE
SECTION 01
THIS PAGE INTENTIONALLY LEFT BLANK
51F59
Page 01-01
DIGITAL
51" Digital Projection Television
Key Features
• 1080i Display
• DTV Tuner
1
2
• High-Brightness CRTs
• High-Brightness 4-Element
Lens System
• Magic Focus Auto Digital
Convergence
• 1080i Digital Video Processor
- 3 HD Aspect Modes
- 6 SD Aspect Modes
- 1080i/720p/480p/480i
Input Compatible
- Split Screen/Picture in Picture
• High-Contrast Fine-Pitch Screen
• 3-Color Temperatures
• Edge Enhancement (SVM)
• Black Enhancement
• Digital 3D Y/C Comb Filter
• Energy Star Compliant
Audio Performance Features
• MTS Stereo/SAP with dbx
™
• Simulated Surround Sound
• Full Range Speaker System
3
Convenience Features
• Day and Night Memory by Input
with Timer
• Front Panel Menu Controls
• Universal Remote Control
• 3-Language On-Screen Display
• Parental Locks (V-Chip)
• Closed Caption Decoder
• Sleep Timer
• Discrete IR Codes
Specifications
• Color: ................................Gray/Black
Inputs/Outputs
• HDMI™ High-Definition
Multimedia Interface:
• Wideband Component
Video Inputs: ....................................
• S-Video Inputs (Rear/Front): .........
• AV Inputs (Rear/Front): .................
• Antenna Inputs: ................................
• Center Channel Input: ...........
• Fixed/Variable Audio Output: ..........
4
.....................1
L/Mono
Dimensions
• Height .......................................50 3/8"
• Width ........................................48 3/4"
• Depth ......................................21 15/16"
• Weight ...................................151 lbs.
Warranty
• 1 Year Parts and Labor Warranty
In-Home Service
• 2 Year Tube Warranty
1
Due to variances in program productions
and transmissions not all of the 1080 signal is
displayed.
2
Not QAM Compatible, 480i Output
3
Requires the internal tuner plus an external
tuner or other source device
4
HDMI input is compatible with DVI-HDTV
(HDCP) signals when combined with an
adapter cable. Adapter cable is not included.
2
All specifications and dimensions are
2/1
subject to change without notice. Refer to www.
hitachi.us/tv for updated custom installation
4/1
specifications.
1
© 2006 Hitachi Ltd. All trademarks are the
property of their respective owners.
1
Hitachi America, Ltd., Home Electronics Division 900 Hitachi Way, San Diego, California 91914 - www.hitachi.us/tv or 1-800-HITACHI
NOTE: All measurements are shown to the nearest 1/16th inch. This illustration is not necessarily drawn to scale and is intended for estimating space required for custom installations. Final measurements should be taken from the actual product
Page 01-02
before attempting installation. All dimensions are approximate measurements and subject to change without notice. Allow adequate space behind the unit for proper ventilation and cooling. Hitachi is not responsible for any typographical errors.
mm 1303 1239 579 608 955.5 635 1129 550 40
Inches
51F59 51" HDTV
Product Dimensions
48-13/16
1239
A
B
51-5/16
B
48-13/16 22-13/16 23-15/16 37-5/8 25 44-1/2 21-11/16
C D E F G H I
G
H
1-5/8
C
D E F
L
A
J
K
I
Quick specs
J
I
B
A
510
557
20-1/8
K
21-15/16
L
Depth
Width
48-13/16”
21-11/16”
Height
51-5/16”
57F59
Page 01-03
DIGITAL
57" Digital Projection Television
Key Features
• 1080i Display
• DTV Tuner
1
2
• High-Brightness CRTs
• High-Brightness 4-Element
Lens System
• Magic Focus Auto Digital
Convergence
• 1080i Digital Video Processor
- 3 HD Aspect Modes
- 6 SD Aspect Modes
- 1080i/720p/480p/480i
Input Compatible
- Split Screen/Picture in Picture
• High-Contrast Fine-Pitch Screen
• 3-Color Temperatures
• Edge Enhancement (SVM)
• Black Enhancement
• Digital 3D Y/C Comb Filter
• Energy Star Compliant
Audio Performance Features
• MTS Stereo/SAP with dbx
™
• Simulated Surround Sound
• Full Range Speaker System
3
Convenience Features
• Day and Night Memory by Input
with Timer
• Front Panel Menu Controls
• Universal Remote Control
• 3-Language On-Screen Display
• Parental Locks (V-Chip)
• Closed Caption Decoder
• Sleep Timer
• Discrete IR Codes
• 2 Piece Cabinet
Specifications
• Color: ................................Gray/Black
Inputs/Outputs
• HDMI™ High-Definition
Multimedia Interface:
• Wideband Component
Video Inputs: ....................................
• S-Video Inputs (Rear/Front): .........
• AV Inputs (Rear/Front): .................
• Antenna Inputs: ................................
• Center Channel Input: ...........
• Fixed/Variable Audio Output: ..........
4
.....................1
L/Mono
Dimensions
• Height ......................................54 9/16"
• Width .............................................54"
• Depth ........................................ 23 5/8"
• Weight ...................................162 lbs.
Warranty
• 1 Year Parts and Labor Warranty
In-Home Service
• 2 Year Tube Warranty
1
Due to variances in program productions
and transmissions not all of the 1080 signal is
displayed.
2
Not QAM Compatible, 480i Output
3
Requires the internal tuner plus an external
tuner or other source device
4
HDMI input is compatible with DVI-HDTV
(HDCP) signals when combined with an
adapter cable. Adapter cable is not included.
All specifications and dimensions are
2
subject to change without notice. Refer to www.
hitachi.us/tv for updated custom installation
2/1
specifications.
4/1
© 2006 Hitachi Ltd. All trademarks are the
1
property of their respective owners.
1
Hitachi America, Ltd., Home Electronics Division 900 Hitachi Way, San Diego, California 91914 - www.hitachi.us/tv or 1-800-HITACHI
NOTE: All measurements are shown to the nearest 1/16th inch. This illustration is not necessarily drawn to scale and is intended for estimating space required for custom installations. Final measurements should be taken from the actual product
Page 01-04
before attempting installation. All dimensions are approximate measurements and subject to change without notice. Allow adequate space behind the unit for proper ventilation and cooling. Hitachi is not responsible for any typographical errors.
mm 1378 1372 578 607 992 710 1262 592.3 40
1372
Inches
54-1/16 54-1/4 54-1/16 22-3/4 23-15/16 39-1/16 28 49-11/16 23-5/16 1-5/8
A B C D E F G H I J
B
G
H
57F59 57" HDTV
Product Dimensions
C
D E F
L
A
J
K
I
Quick specs
B
A
I
552.2
599.2
21-3/4
K
23-5/8
L
Depth
Width
54-1/16”
23-5/8”
Height
54-1/4”
65F59
Page 01-05
DIGITAL
65" Digital Projection Television
Key Features
• 1080i Display
• DTV Tuner
1
2
• High-Brightness CRTs
• High-Brightness 4-Element
Lens System
• Magic Focus Auto Digital
Convergence
• 1080i Digital Video Processor
- 3 HD Aspect Modes
- 6 SD Aspect Modes
- 1080i/720p/480p/480i
Input Compatible
- Split Screen/Picture in Picture
• High-Contrast Fine-Pitch Screen
• 3-Color Temperatures
• Edge Enhancement (SVM)
• Black Enhancement
• Digital 3D Y/C Comb Filter
• Energy Star Compliant
Audio Performance Features
• MTS Stereo/SAP with dbx
™
• Simulated Surround Sound
• Full Range Speaker System
3
Convenience Features
• Day and Night Memory by Input
with Timer
• Front Panel Menu Controls
• Universal Remote Control
• 3-Language On-Screen Display
• Parental Locks (V-Chip)
• Closed Caption Decoder
• Sleep Timer
• Discrete IR Codes
• 2 Piece Cabinet
Specifications
• Color: ................................Gray/Black
Inputs/Outputs
• HDMI™ High-Definition
Multimedia Interface:
• Wideband Component
Video Inputs: ....................................
• S-Video Inputs (Rear/Front): .........
• AV Inputs (Rear/Front): .................
• Antenna Inputs: ................................
• Center Channel Input: ...........
• Fixed/Variable Audio Output: ..........
4
.....................1
L/Mono
Dimensions
• Height .....................................59 15/16"
• Width .............................................61"
• Depth ........................................ 25 3/8"
• Weight ...................................259 lbs.
Warranty
• 1 Year Parts and Labor Warranty
In-Home Service
• 2 Year Tube Warranty
1
Due to variances in program productions
and transmissions not all of the 1080 signal is
displayed.
2
Not QAM Compatible, 480i Output
3
Requires the internal tuner plus an external
tuner or other source device
4
HDMI input is compatible with DVI-HDTV
(HDCP) signals when combined with an
adapter cable. Adapter cable is not included.
All specifications and dimensions are
2
subject to change without notice. Refer to www.
hitachi.us/tv for updated custom installation
2/1
specifications.
4/1
© 2006 Hitachi Ltd. All trademarks are the
1
property of their respective owners.
1
Hitachi America, Ltd., Home Electronics Division 900 Hitachi Way, San Diego, California 91914 - www.hitachi.us/tv or 1-800-HITACHI
NOTE: All measurements are shown to the nearest 1/16th inch. This illustration is not necessarily drawn to scale and is intended for estimating space required for custom installations. Final measurements should be taken from the actual product
Page 01-06
before attempting installation. All dimensions are approximate measurements and subject to change without notice. Allow adequate space behind the unit for proper ventilation and cooling. Hitachi is not responsible for any typographical errors.
mm 1521 1549 624 653 1087 808 1439 644 40
1549
Inches
61
A B
B
65F59 65" HDTV
Product Dimensions
59-7/8
61 24-5/8 25-3/4 42-13/16 31-13/16 56-11/16 25-3/8 1-5/8
C
G
D E F G H I J
C
D E F
L
H
A
J
K
I
23-13/16
604
33-9/16
851
Quick specs
B
C
L
Height
Width
Depth
K
33-9/16”
61”
59-7/8”
L
POWER SUPPLY
INFORMATION
DP-6X CHASSIS
TRAINING PACKAGE
SECTION 02
THIS PAGE INTENTIONALLY LEFT BLANK
DP-6X CHASSIS POWER SUPPLY SBY 5.0V REGULATION CIRCUIT DIAGRAM
D901
1
3
2
+
C908
-
F902
1 Amp
4
Start Up
170V
0V
8 Amp
5
1
F901
Start Up
OCP
F/B
PA
2
1
4
1.08V
D907
AC
Secondary
T901
6
8
1.08V
C911
D949
FB
L930
SBY 5.0V
5.7V
C940
R957
I904
4
1
5.28V
R958
5
T901
Primary
1
2
R908
3
R906 D206
Run
R909
C909
C912
170V
16.3V
3
Gnd
I901
7
D
8
D
Hot Ground from pin 4 of
2
Vcc
Bridge Rectifier D901
Cold Ground from
pin 8 of T901
3
0V
Regulator
Photocoupler
MTZJ4.3B
C905
D962
2
4.30V
PAGE 02-01
DP-6X CHASSIS POWER SUPPLY SW +115V REGULATION
T902
8
7.5P/P
9
1 of 3
Supplied from Relay S903
C914
AC Supplied from
Relay S903
Raw B+ from D902 Pin 1
150V
F903
AC
T902
1
2
5A
D910
High Voltage Power Supply
R914R913
Start Up
17.91V
176V
1 2
R915
Run
Osc B+
4
VIn
OCP/BD
0.55V
7
I902
Driver/
Output
IC
DS
Gnd
3
6
R916
0.05
D911
0.74V
OCP/FB
0.0V
D913
D912
R920
R921
C925
B+ 115V
Cold Ground from
pin 16 of TP01
Floating Ground from
pin 8 of TP01
AC Hot Ground from
pin 8 of TP01
11.38V
7.13V
D914
I906
4
3
Regulator
Photocoupler
I941
1 2
FB
8.58V
SW +10.5V
1
2
9.62V
8.58V
R963
R964
T902
11
12
3 of 3
C961
D945
C966
C968
2 of 3
C967
5
6
Q941
R960
R951
0.39
D946
D951
R955
Protect
OVP
D952
E946
0.5K
E947
R952
3K
D948
R956
D950
Deflection
R959
L948
B+ 115V
3
0.81A
SW +115V
R986
SW +35V
0.01A
C906
PAGE 02-02
DP-6X PROTECT-OVP SHUTDOWN BLO CK DIAGRAM
PDS2
Power_1
6
If the 115V line experiences a high current demand, a
high is impressed on the anode of D946 or
If the 115V line goes too high, a high is impressed on
the cathode of D948, turning it on.
Source
+115V
115V Over
Current Det.
0.39
Q941
Load
+115V
ohm
D951D946
D948
115V Too High Det.
From DH13, CH17
off Pin 7 of Flyback
Excessive
High Voltage Det.
If the Heater pin line goes too high, a high is
impressed on the cathode of DH15, turning it on.
DH15
Q980 / Q981
7
Turns off Relay S903
Any high impressed on the base of Q980 will cause
the Relay to turn off. Q981 keep Q980 turned on as
D952
1
2
4
C
< Protect-OVP >
B
Vert. 26V Overcurrent Det.
If the Vert 26V line experiences a high current
demand, a high is impressed on the anode of D608
D944
Power_1
To Q944
Turns on Relay S903
long as the Power_1 high remains.
AC Too High Det.
From I905 / Q901
D959
If the AC line goes too high, a high is impressed on
D608R632
the anode of D959
Power-Def 1/1
From Q604
and Current Sensor
R609
Deflection 1/1
+ 5V
- 5V
RE35 Current
Sensor + 220V
Over Current Det.
QE08
RE34
RC47
- 5V Loss Detection
DC27
RC46
ERG1
7 3
AB
PCT
< VM Port > < CRT Prot >
7
PDT2
2
A
< Protect-OVP >
1
DX07
RY73
If the -5V line experiences
a short or disappears, a
high is impressed on the
anode of DC27
Signal 6/7 (Sweep Detection)
220V Overcurrent Detection
If the 220V line experiences
a high current demand, a
high is impressed on the
anode of DX 0 7
Red CRT
Green CRT
Signal 5/7 (RGB Processor)
PAGE 02-03
DP-6X CRT and -5V LOSS PROTECT-OVP (A) SHUTDOWN DIAGRAM
RED CRT PWB
Def
+220V
CRT +220V Excessive
Current Detection
PDC1
1
CE10
+ 5V
- 5V
RE35
2.2 Ohm
QE08
RE29
RC47
RC46
To CRT 220V
To VM Circuit
RE30
RE34
VM PORT
RE31
-5V Loss Detection
DC27
-5V Loss Det.
CRT PWB
ERG1
A B
7
VM PORT
GREEN
PCT
3
CRT PROT
Signal 6/7
1
DX07
RGB Processor
Signal 6/7
RY73
< Prot-OVP >
1
< Prot-OVP >
1
SEE DEFLECTION SIDE (B)
PROTECT-OVP
SHUTDOWN DIAGRAM
PDT2
8
Active
Normal
2
A
< Prot-OVP >
PAGE 02-04
DP-6X DEFLECTION SIDE (B) PROTECT-OVP SHUTDOWN DIAGRAM
Deflection Schematic
RH32 allows ABL fluctuations to
manipulate the Trigger Po int of Shut
Down as screen brightness varies. ABL
is inverse proportionate to brightness.
This prevents false triggering.
Vertical Output Circuit
I601
Vs
10
L603
C604
Q604
R630
C610
ABL
Def +28V
R629 0.68 Ohm
R631
ABL Voltage
Too High Det.
LH01
RH21
RH32
RH24
DH15
1
PDT2
2
8
A
Flyback
TH01
8
1
RH25
Excessive Hi
Voltage Det.
< Prot-OVP >
Hi Volt
77
H. Drive
IH01
OVP
High Voltage
Sensing Circuit
RH23
LH06
5OP
29.01V
Any fluctuations in High Voltage will
also be reflected by the 50P output P/P.
By monitoring the 50P (50 Pulse) rises
in High Voltage will be sensed. If High
Voltage climbs too high, DH15 will fire
and trigger a shut down event.
FROM CRT and -5V LOSS
SHUTDOWN DIAGRAM
DH13
CH17
PROTECT-OVP (A)
Normal
RH26
DH14
Stops H. Drive
Active
D608
Excessive Vertical
Current Det.
If the Vertical Output IC has a problem,
R629 will sense the current rise. The
voltage drop will be reflected at the base
of Q604 turning it on and producing a
Shut Down high.
R632
4
B
1
SEE 115V TOO HIGH AND OVER
CURRENT DETECTION (B~C)
PROTECT-OVP DIAGRAM
< Prot-OVP >
PAGE 02-05
DP-6X 115V TOO HIGH AND OVER CURRENT DETECTION (B~C) DIAGRAM
Power-Def Schematic
CP45
EP46
500
3K
EP45
Deflection B+ 115V
Def +115V
RP54
Deflection B+ (115V)
Excessive Voltage Det.
RP55
DP59
TP01
DP46
17
CP51
16
Deflection B+ (115V)
Excessive Current Det.
CP59
QP41
RP47
0.39 Ohm
RP48
DP55
RP49
DP58
RP53
SEE DEFLECTION SIDE (B)
SHUTDOWN DIAGRAM
CP63
DP56
2
D926
4
B
< Prot-OVP >
C
6
SEE PROTECT-OVP (C)
SHUTDOWN CIRCUIT
PAGE 02-06
Power On/Off
From Sub Micro I002
Pin 62, Q012, Q013
Power_1
DP-6X PROTECT-OVP (C) SHUTDOWN CIRCUIT
Power-Def Schematic
For
Power
Supply
D902
Relay
Driver
SBY +5V
AC
Q944
S903
R942
D942
R945
D947
C942
6
onoff
R947
PDS2
AC
AC 175
Q901
Hot
Ground
On
Raw B+
D902
AC
R924
R925
D915
9V
R927
C916
(8.9V ~ 9.3V)
R926
I905
1
2
4
5
T902
SBY 5V
SEE
115V TOO HIGH
AND OVER
CURRENT
DETECTION (B~C)
DIAGRAM
c
6
2
Run B+ 16V
PAGE 02-07
R980
C980
Q980
C981
Q981
R982
R981
R923
7
1 3
D959
4
AC Voltage Too High
Detection
1
DP-6X CHASSIS
L.E.D. (Visual Troubleshooting) for the Deflection Power Supply
+115 Deflection B+ L.E.D. for visual troubleshooting observation.
See the Deflection Power Supply Shut
Down Circuit Diagram for details.
D952
T902
+115V
GND 1
11
12
D945
C961
+115V
C966
Q941
C967
+115V Over
Current
R951
0.39 Ohm
R960
D951
D946
R952
C966
E947
3 Amp
0.85A
R959
D948
R956
D950
SW +115V Active (LED)
L948
+115V Over
Voltage
GREEN L.E.D.
PROT_OVP
Active Hi
SW + 115V
PAGE 02-08
DP-6X POWER ON and OFF CIRCUIT DIAGRAM
Power-Def 1/1
Raw B+ for
T902 / I902
I907
SW 5.6V
Regulator
3
Conv + 28V
D902
1
1
3
2
L931
C931
4
AC
1/2
SW+ 5.6V
R943
D944
For
Power Supply
AC
Q944
Relay
Driver
S901
D940
SBY +5V
S903
Power Supply
R945
D942
D947
onoff
R942
AC Route
when first applied
RUSH
For
C944
R947
From D954 off Main
Switching Transformer
R907
2.2
ohm
POWER 1
SW+ 10.5V
Pin 13
F902
1 Amp
F901
8 Amp
PDS2
6
on off
5
IA04
SW 9V
Regulator
Signal 4/7
Audio
AC
1/2
Signal 1/7 Main Micon
I002
Q012Q013
Microprocessor
61
Power On/Off 1
67
Power LED
PFT1
10
3
9
Power LED
Not Used
SW+ 9V
PFS
Ft Control
Sub
RH30
DM10
POWER
LED
2 1
on off
Q942
PAGE 02-09
C942
R940
Relay
Driver
S901 Turns On after the
SW 5.6V becomes
active. T h i s prevent s
surge current during
capacitor ch ar gi n g .
PA
AC
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