Panasonic KX-MB262CX Service Manual page 17

KX-MB262CX/KX-MB772CX KX-MB262CX/KX-MB772CX
6.15. 5. HVP 6.1 HVPS (Hi S (High V gh Volt
6. 6.15 15.1 .1. . HV HVPS PS SP SPEC ECIF IFIC
C C h h a a r r g g e e ( ( C C H H G G ) )
Outp tput ut Ch Ou Char arac acte teri rist stic ics s Cons Co nsta tant nt cu
N N o o m m i i n n a a l l O O u u t t p p u u t t V V o o l l t t a a g g e e 4 4 . . 3 3 5 5 K K V V
Nominal Output C Nomin al Output Current urrent 200±1 200±15 5
(19.4M (19.4M
L L o o a a d d R R a a n n g g e e 1 1 8 8 . . 1 1 M M
Constant Constant Current Current 4 4 . . 1 1 ~ ~ 4 4 . . 6 6 K K V V
Range Range
As for the developing voltage, the DC voltage and A As for the developing volta ge, the DC voltage and AC voltage are overlapped a
There is one terminal for transcription output and + and - are switched to be output. There is one terminal for transcription output and + and - are switched to be output.
6.1 6.15.2 5.2. . CHG CHG-BI -BIAS AS (Ch (Charg
When IC300 turns on the transistor Q506, CHG REM becomes "L", and Charge BIAS (200 When IC300 turns on the transistor Q506, CHG REM becomes "L", and Charge BIAS (200
GRID BIAS is generated by the current flowing in GRID BIAS is generated by the current flowing in the GRID circuit via charge wire and GRID.
oltage P age Powe ower Sup r Supply
ICA A TI TION ON
G G r r i i d d
curr rren ent t Co Cons nsta tant nt vo volt ltag age e
4 4 7 7 5 5 ± ± 1 1 0 0 V V
µ µ µ µ
A A 200 200 A A
Ω Ω
) )
Ω Ω Ω Ω
~20.6M ~20.6M - - - - - - - - - -
- - - - - - - - - -
C voltage are overlapped and output from an output termin
arge B e BIAS IAS)/GR )/GRID/ ID/ UNI
the GRID circuit via charge wire and GRID.
ply) SEC ) SECTIO TION N
D D e e v v e e l l o o p p i i n n g g D D C C D D e e v v e e l l o o p p i i n n g g A A C C
Co Cons nsta tant nt vo volt ltag age e Co Cons nsta tant nt vo volt ltag
2 2 3 3 0 0 V V ± ± 1 1 5 5 V V 330V±15Vp-p 330V±15Vp-p
(50~300V) (50~300V) 34KHz 34KHz
PWM20% PWM20%
Ω Ω
300M 300M /220pF /220pF
µ µ
0.73 0.73 A A
----- -----
Ω Ω Ω Ω
1 1 0 0 0 0 M M ~2000M ~2000M - - - - - - - - - -
- - - - - - - - - - - - - - - - - - - -
nd output from an output terminal.
UNIT T
T T r r a a n n s s f f e e r r ( ( T T R R A A ) ) - - T T r r a a n n s s f f e e r r ( ( T T R R A A ) ) + +
age e Co Cons nsta tant nt cu curr rren ent t Constant voltage Constant voltage
(Variable) (Variable)
Ω Ω
100M 100M 785V±100V 785V±100V
(-1.48KV) (-1.48KV)
µ µ µ µ
-14.8 -14.8 A±1 A±1 A A 1000M 1000M
µ µ µ µ µ µ
(0 (0 A~25 A~25 A) A) (0.8 (0.8 A) A)
PWM 35% PWM 35%
Ω Ω Ω Ω Ω Ω
3 3 3 3 . . 8 8 M M ~284M ~284M 10M 10M
- - 0 0 . . 5 5 K K V V ~ ~ - - 4 4 . . 2 2 K K V V
al.
µ µ
A) is output from A) is output from CHG OUTPUT CHG OUTPUT. .
Ω Ω
Ω Ω
~1000M ~1000M
- - - - - - - - - -