Block Diagram (2) - Sony FDL-PT222 Service Manual

4-2. BLOCK DIAGRAM (2)

CN502
UB 12
VHF 2
H.P 3
+4.5V
IC501 HEADPHONE AMP
3
AUDIO
AUDIO 5 2
RV501
VOL
TO
T1 BOARD
CN201
VIDEO
VIDEO 9
H SYNC 7
IND 8
S601
(2/2)
UHF
VHF
OFF
UP DOWN SW 11
S001 S002
- +
CH
BATTERY
J701
D701
DC IN 4.5V
A (POWER SUPPLY, LCD BACK LIGHT, HEADPHONE AMP)
– 11 –
UHF
S601
VHF
(1/2)
OFF
AUDIO
VCC
J501
6 2
SPEAKER
V+ AUDIO
7
VIDEO
T601
9 1 +30V
PORT SWITCH
8 6 +4.5V
F601
Q601-603
RV601
7
+4.5V
4 3
+4.5V
BUFFER
+30V
Q401
RV450
BRT T701
3
DRIVE
2
Q701
8
DRIVE
4
Q702
1
6
5
CN601 CN301
BUFFER
2 VHF 2
Q403
3 H.P 3
VIDEO
9 VIDEO 9
7 H SYNC 7
IND SWITCH
8 IND 8
IC301 Y/C JUNGLE
1 HD IN 5
VIDEO IN
2 SYNC SEP CONTRAST 9
19 TINT CONT R OUT 10
RV301
TINT
21 VCXO IN G OUT 11
23 VCXO OUT B OUT 12
X301
3.58MHz
11 BRT 11
FR701
LCD
BACK LIGHT
B (Y/C JUNGLE, MONITOR CONTROL)
IC401
MONITOR CONTROL
CP 24
40 R2 CP 1
CP 40
37 HSO
CL2 22
CL2 2
CL2 38
CLB 21
CLB 3
CLB 37
CLA 20
CLA 4
CLA 36
D2 12
D2 5
D2 28
D3 11
D3 6
D3 27
10
D4 7
D4 26
D1 9
D1 8
D1 25
RES 13
BESTB 9
RES 29
TPR2 2
TPR1B 12
VM BUFFER
TPR1 6
Q407
TPR1 13
VM 23
SYNC. SEP.
34 V IN
Q303
VM 39
VM 4
VSS 3
SWITCH
DB 10
Q406
35 H IN
38 INB
Q408
40 R
INV.
Q302
23 AUTO CB
28 R IN XT1 20
X401
4.5MHz
29 G IN XTD 21
27 B IN TGL VL 30
RV402
CONTRAST
VDG 17
BUFFER
Q402
VDR 18
VDG 33
VDR 34
VDB 16
VDB 32
VS2 15
VS2 31
– 12 –
LCD
MONITOR