Panasonic PV-DF204 Service Manual page 189

Hi-Fi AUDIO/VIDEO HEAD AMP SCHEMATIC DIAGRAM
36 35 34 33 32 31 30 29 28 27 26
GND GND GND D-REC-H
PB +5V
ENVE
CTL
DET
PB REC
IC3501
AN3361SB L R
SP LP/SLP
VIDEO
REC REC
REC
AMP AMP AMP
HEAD AMP
-ON -ON
-ON
LOGIC
1 2 3 4 5 6 7 8 9 10 11
* *
*
REC VIDEO SIGNAL
25 24 23 22 21 20 19
AMP
LP/SLP SP
R L
AMP AMP
REC
AMP
-ON
PB
PB
ON ON
12 13 14 15 16 17 18
* *
R3506
*
560
TP3501
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
PB VIDEO SIGNAL REC AUDIO SIGNAL PB AUDIO SIGNAL
L4401
100U
R4410 C4412
1K 0.1
*
TP4405
C4411
0
*
R4408
PT
16 15 14 13 12 11 10 9
Hi-Fi GND
D-REC-H
AGC
DET
IC4401
REC
AN3328S
L R AGC REC
Hi-Fi AUDIO
AMP
REC
HEAD AMP REC
-ON
PRE PRE -ON
PB-ON
AMP AMP
GND
1 2 3 4 5 6 7 8
R4407
560
* *
PT PT
PT PT
C4404
PT
C4403
PT
PT C4405
0.01
R4405
1K
PRE-GND
NOTE: NOTE: For placing a purchase order of the parts,
PARTS MARKED "PT" ARE NOT USED.
be sure to use the part number listed in the parts list.
Do not use the part number on this diagram.
TO MAIN
P3501 C.B.A. P3001
1
REC/PB_FM+C
2
GND
3 HSW
4 SW_+12V_HA
5 PLAY_L
6 D_REC_H
7
ENV_DET
8 HA_SW
9 C/R/SS_L
10 GND
11
UNSW_+5V(V)
12
HIFI_HSW
13 HIFI_REC_FM
14
HIFI_D_REC_H
15 HIFI_PB_FM
TO MAIN
P3502 C.B.A. P4006
1 H_AMP_GND
VEKS5851-1
TP4406
Hi-Fi AUDIO/VIDEO HEAD AMP SCHEMATIC DIAGRAM
LINK TO VOLTAGE CHART
LSJB2141
PV-DF204/PV-DF2004/PV-DF2004-K
/PV-DF274/PV-DF2704/PV-DF2704-K