Panasonic TH-42PZ80UA Service Manual page 36

9.6. Block Diagram (6/6)
SC SCAN DRIVE
P2 SC2 TPVSUS
Vsus 1
IC16791
16V-F
DC/DC
CONVERTER
IC16771
IC16773
+5V
INVERTER
PC16461
PHOTO COUPLER
IC16464,65 CMH
Q16401
CML2
Q16402
INVERTER
Q16404
IC16501
CSH/CMH GATE
DRIVE CIRCUIT
Q16441
Q16442
CSH
Q16451
IC16521
CSL
CSL/CML GATE
DRIVE CIRCUIT
Q16421
CML
Q16422
Q16423
IC16561-63
SC BUFFER
D20
20
IC16581
+5V(P) 35
+15V(P) ERROR DET
8
D16583
+15V(P) 7
LED(G)
TPSOS6
+15V(P) 6
MAIN_STOP
SOS6_SC1 21
(LED:6TIMES) (LED:6TIMES)
SOS7_SC2 20
SCAN
SCAN CONTROL PC16480
CONTROL
D16480
PHOTO COUPLER
VOLTAGE
DROP
Q16876
ERROR DET D16820
ERROR DET
MAIN_STOP
VSCN TPSOS7
Q16875,79
D16718
VSET
ERROR DET
15V_F
(LED:7TIMES) (LED:7TIMES)
D31
C11 63 41 31 17 11 8 39 33 5 3
BUFFER
IC17102
CB1 CB2 CB3 CB4
TH-42PZ80UA
Block (6/6) Diagram
IC16788,89
TPVSET
VSET GEN.
SHUNT REG
Q16601
PC16684
Q16604
PHOTO COUPLER
CPH1
VF_GND
Q16641,42
PC16685
CPH2
PHOTO COUPLER
CEL
Q16621
Q16661
VAD SEPA CEL
Q16622
DRIVER
IC16772
SCSU
VAD CONT.
DRIVER
IC16786
Q16664,65,67
TPVSCN TPSC1
VSCN
GEN.
D16859
D16860
CML CPH1 SIU D16721 IC16784
CML2 CPH2 SID (15V_F) TPVAD
CMH CEL OC1
VAD
CSH CQR3 OC2A
GEN.
CSL CQR4 CLK
IC16724
SCSU
F_5V_A
+5V
(SC1)
D16725
IC16725
F_5V_B
+5V
(SC2)
D16473
D16791
D16871
Vscn D16821 D16873
IC16564
D16717 IC16792
VSET
IC16801
CQR3
VSET2,6
CQR4
C1 DATA DRIVER (RIGHT)
D32
2 1 C12 67 41 31 29 39 35 3 2 1 27 13 11 8 5
C10
30
14
13
IC17101 IC17103
28
BUFFER BUFFER 16
7
Vda
1
Vda
CB5 CB6 CB7 CB8
PANEL DRIVER PLASMA PANEL
SU SCAN OUT (UPPER)
SS SUSTAIN DRIVE
IC14901-04
P11 SS
SCAN
11
DRIVER Vsus
1
SC SU
41 41
SS
IC16131
SCAN
15 15
34
VSCN-F DRIVER
6 6 1 VSUS Gen.
Vfo SHORT JUMPER
IC14905-08 DRIVER
1 1
3
UMH,UML
SU1 SU4
SS
SU P12
11 12
IC16151
MAIN_SW1 8
PLASMA PANEL
ENERGY
MAIN_SW2 10
RECOVERY
PANEL SCAN
+15V(P) 4
ELECTRODES
Vda 1
USH,USL
SD Vda 2
11
SD1 SD4
IC14951-54
SCAN
DRIVER
SC SD
42 42
7 7 SCAN
SS
C25
DRIVER TPVDA
35
18 18
Vfo
Vda
IC14955-58 1
20 20
IC16241
Vda 2
9 9
BUFFER
SS
SCNR_PRO C23
2 2
33
VSET2,6
SOS8_SS 8
+5V(P) 1
SC SD
5V 5V BUFFER
46 46
2
SUSTAIN CONTROL
SIU SUSTAIN CONTROL
1 1
IC14961-65
SID 7
OC1
OC2A
CLK
SD SCAN OUT (LOWER)
D33
C21 19 18 39 33 67 41 31 21 15 9 7 5 1 2 3
C20
+5V(P)DET
1
17 CONTROL DATA
18
IC17201,03
3 VIDEO DATA
BUFFER BUFFER
15 BUFFER
IC17204
24
IC17202
30
CB CB CB CB
CB9
10 11 12 13
PANEL DRIVER
36
TPVSUS
IC16301
IPD
UMH
SS
Q16001-03
61
IC16302
T16301
D16321
1
TPVE2
TRANS VE2
2
Q16022-24
UML
13
SS
TPVE 63
USH
Q16041
1
NUEL NUEL 2
USL
Q16339 Q16331
13
SS
Q16051 64
1
PC16191
2
Q16101
VE Gen.
Q16102 13
DRIVER
D16253
SS
IC16251
LED(G)
66
TPSS1
UEH,UML
ERROR DET 1
2
D16255 D16280 D16282
ERROR DET
(LED:8TIMES) (LED:8TIMES)
13
UMH NUEL Q16280
TPSOS8
UML UEH
USH
USL
IC16303
NAND GATE
C2 DATA DRIVER (LEFT)
C23 SS33
8 SOS8_SS
7
SUSTAIN CONTROL
2
1 +5V(P)
1 Vda
2 Vda
C25 SS35
CB CB
14 15
TH-42PZ80UA
Block (6/6) Diagram
PLASMA PANEL
PANEL SUSTAIN
ELECTRODE