Sony DCR-TRV320 Service Manual page 257

DCR-TRV320/TRV320E/TRV320P/TRV420E/TRV520/TRV520E/TRV520P/TRV525
TRV620E/TRV720/TRV720E
5. Change of IC (Service Manual Page 9)
5-1. Addition of IC2201 type on the VC-235 board.
For the IC2201, HG75C012SFL type is added, besides existing
MB87M1011PFF-G-BND type. In each type, the EEPROM data
and mounted parts were changed.
Also, which type of IC is mounted can be checked with the adjust-
ing remote commander.
Type check method:
1) Select page: 6, address: 6F, and set data: 01.
2) Select page: 6, and address: FF.
3) The type of IC2201 can be checked from the displayed data.
Type
MB87M1011PFF-G-BND
HG75C012SFL
Data change method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: F, and input the data in the following table.
Note: To write in the non-volatile memory (EEPROM), press
the PAUSE button of the adjustment remote commander
each time to se the data.
3) Select page: 0, address: 01, and set data: 00.
HG75C012SFL
DATA
Address
NTSC PAL
23 14
67 69
68 64
• Differences of mounted parts
IC TYPE HG75C012SFL
Ref.No.
C2214
C2222
C2224
C2236
IC2201 HG75C012SFL
R2223
• Change of IC2201 type from 1 to 2:
No abnormality will arise in operation, even if C2214, C2222,
C2224, C2236 and R2223 are mounted.
• Change of IC2201 type from 2 to 1:
Mount on C2214, C2222, C2224, C2236 and R2223.
SERVICE NOTE
Data
00
03
MB87M1101PFF-G-BND
DATA
Address
NTSC
15 23 1C
65 67 A0
72 68 AA
MB87M1101PFF
-G-BND
1
0.1u
0.1u
0.1u
0.1u
MB87M1101PFF
-G-BND
8.2K
5-2. Change of IC4501 on the VC-235 board.
Due to a change of IC4501 (mechanism control), the version is
updated such as MP2 → MP3 → MP4. In each version, the
EEPROM data was changed.
Also, the version of IC4501 can be checked with the adjusting
remote commander.
Note 1: Changing the version does not make any changes in sche-
matic diagrams and the rest.
Note 2: Make it sure to confirm the version after replacing
IC4501.
Version check method:
1) Select page: 3, and address: FF.
2) The version of IC4501 can be checked from the displayed data.
Data
12
14
15
16
Data change method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 8, and input the data in the following table.
Note: To write in the non-volatile memory (EEPROM), press
the PAUSE button of the adjustment remote commander
each time to set the data.
3) Select page: 0, address: 01, and set data: 00.
PAL
Version
1D
Address
A0
A5
A8
A7
A8
5-3. Change of IC4902 on the VC-235 board.
2
IC4902 (VC control) has been changed to MB91192PFF-G-117-
BND-ER.
Because of this change, the EEPROM date is changed.
Data change method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 6, address: FF, and set data: 06.
3) Select page: F, address: 1F, set data: C2 (NTSC) or data: E0
(PAL), and press the PAUSE button of the adjustment remote
commander.
4) Select page: 0, address: 01, and set data: 00.
– 2 –
Version
MP1
MP2
MP3
MP4
MP1 MP2 MP3
00 01 01
31 31 70
05 05 28
MP4
01
70
28